Mercurial > hg > octave-nkf
annotate doc/interpreter/plot.txi @ 8070:3b53b25e2550
Add data sources and line series
| author | David Bateman <dbateman@free.fr> |
|---|---|
| date | Thu, 28 Aug 2008 12:23:54 -0400 |
| parents | 7670cd296687 |
| children | b6e85fb238c1 |
| rev | line source |
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| 7018 | 1 @c Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003, 2004, 2005, |
| 2 @c 2006, 2007 John W. Eaton | |
| 3 @c | |
| 4 @c This file is part of Octave. | |
| 5 @c | |
| 6 @c Octave is free software; you can redistribute it and/or modify it | |
| 7 @c under the terms of the GNU General Public License as published by the | |
| 8 @c Free Software Foundation; either version 3 of the License, or (at | |
| 9 @c your option) any later version. | |
| 10 @c | |
| 11 @c Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 12 @c ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 @c FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 @c for more details. | |
| 15 @c | |
| 16 @c You should have received a copy of the GNU General Public License | |
| 17 @c along with Octave; see the file COPYING. If not, see | |
| 18 @c <http://www.gnu.org/licenses/>. | |
| 3294 | 19 |
| 4167 | 20 @node Plotting |
| 3294 | 21 @chapter Plotting |
| 6888 | 22 @cindex plotting |
| 23 @cindex graphics | |
| 3294 | 24 |
| 25 @menu | |
| 6888 | 26 * Plotting Basics:: |
| 27 * Advanced Plotting:: | |
| 28 @end menu | |
| 29 | |
| 30 @node Plotting Basics | |
| 31 @section Plotting Basics | |
| 32 | |
| 33 Octave makes it easy to create many different types of two- and | |
| 34 three-dimensional plots using a few high-level functions. | |
| 35 | |
| 36 If you need finer control over graphics, see @ref{Advanced Plotting}. | |
| 37 | |
| 38 @menu | |
| 39 * Two-Dimensional Plots:: | |
| 3294 | 40 * Three-Dimensional Plotting:: |
| 41 * Plot Annotations:: | |
| 42 * Multiple Plots on One Page:: | |
| 3428 | 43 * Multiple Plot Windows:: |
| 6888 | 44 * Printing Plots:: |
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45 * Interacting with plots:: |
| 6888 | 46 * Test Plotting Functions:: |
| 3294 | 47 @end menu |
| 48 | |
| 6888 | 49 @node Two-Dimensional Plots |
| 50 @subsection Two-Dimensional Plots | |
| 51 | |
| 52 The @code{plot} function allows you to create simple x-y plots with | |
| 53 linear axes. For example, | |
| 3294 | 54 |
| 6888 | 55 @example |
| 56 @group | |
| 57 x = -10:0.1:10; | |
| 58 plot (x, sin (x)); | |
| 59 @end group | |
| 60 @end example | |
| 61 | |
| 62 @noindent | |
| 6899 | 63 displays a sine wave shown in @ref{fig:plot}. On most systems, this |
| 6888 | 64 command will open a separate plot window to display the graph. |
| 5134 | 65 |
| 6888 | 66 @float Figure,fig:plot |
| 67 @image{plot,8cm} | |
| 68 @caption{Simple Two-Dimensional Plot.} | |
| 69 @end float | |
| 70 | |
| 5134 | 71 @DOCSTRING(plot) |
| 72 | |
| 6888 | 73 The functions @code{semilogx}, @code{semilogy}, and @code{loglog} are |
| 74 similar to the @code{plot} function, but produce plots in which one or | |
| 75 both of the axes use log scales. | |
| 76 | |
| 77 @DOCSTRING(semilogx) | |
| 6502 | 78 |
| 6888 | 79 @DOCSTRING(semilogy) |
| 6502 | 80 |
| 6888 | 81 @DOCSTRING(loglog) |
| 82 | |
| 83 The functions @code{bar}, @code{barh}, @code{stairs}, and @code{stem} | |
| 84 are useful for displaying discrete data. For example, | |
| 5134 | 85 |
| 6888 | 86 @example |
| 87 @group | |
| 88 hist (randn (10000, 1), 30); | |
| 89 @end group | |
| 90 @end example | |
| 5134 | 91 |
| 6888 | 92 @noindent |
| 93 produces the histogram of 10,000 normally distributed random numbers | |
| 6899 | 94 shown in @ref{fig:hist}. |
| 5134 | 95 |
| 6888 | 96 @float Figure,fig:hist |
| 97 @image{hist,8cm} | |
| 98 @caption{Histogram.} | |
| 99 @end float | |
| 5134 | 100 |
| 101 @DOCSTRING(bar) | |
| 102 | |
| 6877 | 103 @DOCSTRING(barh) |
| 104 | |
| 6888 | 105 @DOCSTRING(hist) |
| 106 | |
| 107 @DOCSTRING(stairs) | |
| 108 | |
| 109 @DOCSTRING(stem) | |
| 110 | |
| 7981 | 111 The @code{contour}, @code{contourf} and @code{contourc} functions |
| 112 produce two-dimensional contour plots from three dimensional data. | |
| 6888 | 113 |
| 5134 | 114 @DOCSTRING(contour) |
| 115 | |
| 7981 | 116 @DOCSTRING(contourf) |
| 117 | |
| 6502 | 118 @DOCSTRING(contourc) |
| 119 | |
| 6888 | 120 The @code{errorbar}, @code{semilogxerr}, @code{semilogyerr}, and |
| 121 @code{loglogerr} functions produces plots with error bar markers. For | |
| 122 example, | |
| 6877 | 123 |
| 6888 | 124 @example |
| 125 x = 0:0.1:10; | |
| 126 y = sin (x); | |
| 127 yp = 0.1 .* randn (size (x)); | |
| 128 ym = -0.1 .* randn (size (x)); | |
| 129 errorbar (x, sin (x), ym, yp); | |
| 130 @end example | |
| 5134 | 131 |
| 6888 | 132 @noindent |
| 6899 | 133 produces the figure shown in @ref{fig:errorbar}. |
| 6502 | 134 |
| 6888 | 135 @float Figure,fig:errorbar |
| 136 @image{errorbar,8cm} | |
| 137 @caption{Errorbar plot.} | |
| 138 @end float | |
| 5134 | 139 |
| 140 @DOCSTRING(errorbar) | |
| 141 | |
| 142 @DOCSTRING(semilogxerr) | |
| 143 | |
| 144 @DOCSTRING(semilogyerr) | |
| 145 | |
| 6888 | 146 @DOCSTRING(loglogerr) |
| 147 | |
| 148 Finally, the @code{polar} function allows you to easily plot data in | |
| 7001 | 149 polar coordinates. However, the display coordinates remain rectangular |
| 6888 | 150 and linear. For example, |
| 151 | |
| 152 @example | |
| 153 polar (0:0.1:10*pi, 0:0.1:10*pi); | |
| 154 @end example | |
| 155 | |
| 156 @noindent | |
| 6899 | 157 produces the spiral plot shown in @ref{fig:polar}. |
| 6888 | 158 |
| 159 @float Figure,fig:polar | |
| 160 @image{polar,8cm} | |
| 161 @caption{Polar plot.} | |
| 162 @end float | |
| 163 | |
| 164 @DOCSTRING(polar) | |
| 165 | |
| 7120 | 166 @DOCSTRING(pie) |
| 167 | |
| 168 @DOCSTRING(quiver) | |
| 169 | |
| 170 @DOCSTRING(pcolor) | |
| 171 | |
| 7153 | 172 @DOCSTRING(area) |
| 173 | |
| 6888 | 174 The axis function may be used to change the axis limits of an existing |
| 175 plot. | |
| 176 | |
| 177 @DOCSTRING(axis) | |
| 178 | |
| 7189 | 179 Similarly the axis limits of the colormap can be changed with the caxis |
| 180 function. | |
| 181 | |
| 182 @DOCSTRING(caxis) | |
| 183 | |
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184 @menu |
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185 * Two-dimensional Function Plotting:: |
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186 @end menu |
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187 |
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188 @node Two-dimensional Function Plotting |
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189 @subsubsection Two-dimensional Function Plotting |
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190 |
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191 Octave can plot a function from a function handle inline function or |
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192 string defining the function without the user needing to explicitly |
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193 create the data to be plotted. The function @code{fplot} also generates |
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194 two-dimensional plots with linear axes using a function name and limits |
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195 for the range of the x-coordinate instead of the x and y data. For |
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196 example, |
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197 |
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198 @example |
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199 @group |
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200 fplot (@@sin, [-10, 10], 201); |
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201 @end group |
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202 @end example |
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203 |
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204 @noindent |
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205 produces a plot that is equivalent to the one above, but also includes a |
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206 legend displaying the name of the plotted function. |
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207 |
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208 @DOCSTRING(fplot) |
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209 |
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210 Other functions that can create two-dimensional plots directly from a |
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211 function include @code{ezplot}, @code{ezcontour}, @code{ezcontourf} and |
| 8046 | 212 @code{ezpolar}. |
| 213 | |
| 214 @DOCSTRING(ezplot) | |
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215 |
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216 @DOCSTRING(ezcontour) |
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217 |
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218 @DOCSTRING(ezcontourf) |
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219 |
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220 @DOCSTRING(ezpolar) |
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221 |
| 5134 | 222 @node Three-Dimensional Plotting |
| 6888 | 223 @subsection Three-Dimensional Plotting |
| 224 | |
| 225 The function @code{mesh} produces mesh surface plots. For example, | |
| 226 | |
| 227 @example | |
| 228 @group | |
| 229 tx = ty = linspace (-8, 8, 41)'; | |
| 230 [xx, yy] = meshgrid (tx, ty); | |
| 231 r = sqrt (xx .^ 2 + yy .^ 2) + eps; | |
| 232 tz = sin (r) ./ r; | |
| 233 mesh (tx, ty, tz); | |
| 234 @end group | |
| 235 @end example | |
| 236 | |
| 237 @noindent | |
| 6899 | 238 produces the familiar ``sombrero'' plot shown in @ref{fig:mesh}. Note |
| 6888 | 239 the use of the function @code{meshgrid} to create matrices of X and Y |
| 240 coordinates to use for plotting the Z data. The @code{ndgrid} function | |
| 241 is similar to @code{meshgrid}, but works for N-dimensional matrices. | |
| 242 | |
| 243 @float Figure,fig:mesh | |
| 244 @image{mesh,8cm} | |
| 245 @caption{Mesh plot.} | |
| 246 @end float | |
| 5134 | 247 |
| 6888 | 248 The @code{meshc} function is similar to @code{mesh}, but also produces a |
| 249 plot of contours for the surface. | |
| 250 | |
| 251 The @code{plot3} function displays arbitrary three-dimensional data, | |
| 252 without requiring it to form a surface. For example | |
| 253 | |
| 254 @example | |
| 255 @group | |
| 256 t = 0:0.1:10*pi; | |
| 257 r = linspace (0, 1, numel (t)); | |
| 258 z = linspace (0, 1, numel (t)); | |
| 259 plot3 (r.*sin(t), r.*cos(t), z); | |
| 260 @end group | |
| 261 @end example | |
| 262 | |
| 263 @noindent | |
| 6899 | 264 displays the spiral in three dimensions shown in @ref{fig:plot3}. |
| 6888 | 265 |
| 266 @float Figure,fig:plot3 | |
| 267 @image{plot3,8cm} | |
| 268 @caption{Three dimensional spiral.} | |
| 269 @end float | |
| 270 | |
| 271 Finally, the @code{view} function changes the viewpoint for | |
| 272 three-dimensional plots. | |
| 5134 | 273 |
| 274 @DOCSTRING(mesh) | |
| 275 | |
| 6788 | 276 @DOCSTRING(meshc) |
| 277 | |
| 7153 | 278 @DOCSTRING(hidden) |
| 279 | |
| 7120 | 280 @DOCSTRING(surf) |
| 281 | |
| 282 @DOCSTRING(surfc) | |
| 283 | |
| 5134 | 284 @DOCSTRING(meshgrid) |
| 285 | |
| 6550 | 286 @DOCSTRING(ndgrid) |
| 287 | |
| 6888 | 288 @DOCSTRING(plot3) |
| 289 | |
| 6502 | 290 @DOCSTRING(view) |
| 291 | |
| 7120 | 292 @DOCSTRING(shading) |
| 293 | |
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294 @menu |
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295 * Three-dimensional Function Plotting:: |
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296 @end menu |
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297 |
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298 @node Three-dimensional Function Plotting |
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299 @subsubsection Three-dimensional Function Plotting |
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300 |
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301 @DOCSTRING(ezplot3) |
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302 |
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303 @DOCSTRING(ezmesh) |
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304 |
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305 @DOCSTRING(ezmeshc) |
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306 |
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307 @DOCSTRING(ezsurf) |
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308 |
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309 @DOCSTRING(ezsurfc) |
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310 |
| 6888 | 311 @node Plot Annotations |
| 312 @subsection Plot Annotations | |
| 6502 | 313 |
| 6888 | 314 You can add titles, axis labels, legends, and arbitrary text to an |
| 315 existing plot. For example, | |
| 6877 | 316 |
| 6888 | 317 @example |
| 318 @group | |
| 319 x = -10:0.1:10; | |
| 320 plot (x, sin (x)); | |
| 321 title ("sin(x) for x = -10:0.1:10"); | |
| 322 xlabel ("x"); | |
| 323 ylabel ("sin (x)"); | |
| 324 text (pi, 0.7, "arbitrary text"); | |
| 325 legend ("sin (x)"); | |
| 326 @end group | |
| 327 @end example | |
| 6502 | 328 |
| 6888 | 329 The functions @code{grid} and @code{box} may also be used to add grid |
| 330 and border lines to the plot. By default, the grid is off and the | |
| 331 border lines are on. | |
| 5134 | 332 |
| 333 @DOCSTRING(title) | |
| 334 | |
| 6502 | 335 @DOCSTRING(legend) |
| 336 | |
| 337 @DOCSTRING(text) | |
| 338 | |
| 5134 | 339 @DOCSTRING(xlabel) |
| 340 | |
| 6502 | 341 @DOCSTRING(box) |
| 342 | |
| 343 @DOCSTRING(grid) | |
| 344 | |
| 5134 | 345 @node Multiple Plots on One Page |
| 6888 | 346 @subsection Multiple Plots on One Page |
| 347 | |
| 348 Octave can display more than one plot in a single figure. The simplest | |
| 349 way to do this is to use the @code{subplot} function to divide the plot | |
| 350 area into a series of subplot windows that are indexed by an integer. | |
| 351 For example, | |
| 352 | |
| 353 @example | |
| 354 @group | |
| 355 subplot (2, 1, 1) | |
| 356 fplot (@@sin, [-10, 10]); | |
| 357 subplot (2, 1, 2) | |
| 358 fplot (@@cos, [-10, 10]); | |
| 359 @end group | |
| 360 @end example | |
| 361 | |
| 362 @noindent | |
| 363 creates a figure with two separate axes, one displaying a sine wave and | |
| 364 the other a cosine wave. The first call to subplot divides the figure | |
| 365 into two plotting areas (two rows and one column) and makes the first plot | |
| 366 area active. The grid of plot areas created by @code{subplot} is | |
| 367 numbered in column-major order (top to bottom, left to right). | |
| 5134 | 368 |
| 369 @DOCSTRING(subplot) | |
| 370 | |
| 371 @node Multiple Plot Windows | |
| 6888 | 372 @subsection Multiple Plot Windows |
| 373 | |
| 374 You can open multiple plot windows using the @code{figure} function. | |
| 375 For example | |
| 376 | |
| 377 @example | |
| 378 figure (1); | |
| 379 fplot (@@sin, [-10, 10]); | |
| 380 figure (2); | |
| 381 fplot (@@cos, [-10, 10]); | |
| 382 @end example | |
| 383 | |
| 384 @noindent | |
| 385 creates two figures, with the first displaying a sine wave and | |
| 386 the second a cosine wave. Figure numbers must be positive integers. | |
| 5134 | 387 |
| 388 @DOCSTRING(figure) | |
| 389 | |
| 6502 | 390 @node Printing Plots |
| 6888 | 391 @subsection Printing Plots |
| 392 | |
| 393 The @code{print} command allows you to save plots in a variety of | |
| 394 formats. For example, | |
| 395 | |
| 396 @example | |
| 397 print -deps foo.eps | |
| 398 @end example | |
| 399 | |
| 400 @noindent | |
| 401 writes the current figure to an encapsulated PostScript file called | |
| 402 @file{foo.eps}. | |
| 6502 | 403 |
| 404 @DOCSTRING(print) | |
| 405 | |
| 406 @DOCSTRING(orient) | |
| 5134 | 407 |
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408 @node Interacting with plots |
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409 @subsection Interacting with plots |
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410 |
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411 The user can select points on a plot with the @code{ginput} function or |
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412 selction the position at which to place text on the plot with the |
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413 @code{gtext} function using the mouse. |
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414 |
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415 @DOCSTRING(ginput) |
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416 |
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417 @DOCSTRING(waitforbuttonpress) |
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418 |
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419 @DOCSTRING(gtext) |
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420 |
| 6788 | 421 @node Test Plotting Functions |
| 6888 | 422 @subsection Test Plotting Functions |
| 423 | |
| 424 The functions @code{sombrero} and @code{peaks} provide a way to check | |
| 425 that plotting is working. Typing either @code{sombrero} or @code{peaks} | |
| 426 at the Octave prompt should display a three dimensional plot. | |
| 6788 | 427 |
| 6877 | 428 @DOCSTRING(sombrero) |
| 429 | |
| 6788 | 430 @DOCSTRING(peaks) |
| 431 | |
| 6888 | 432 @node Advanced Plotting |
| 433 @section Advanced Plotting | |
| 434 | |
| 435 @menu | |
| 436 * Graphics Objects:: | |
| 437 * Graphics Object Properties:: | |
| 6891 | 438 * Managing Default Properties:: |
| 6889 | 439 * Colors:: |
| 440 * Line Styles:: | |
| 441 * Marker Styles:: | |
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442 * Callbacks:: |
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443 * Object Groups:: |
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444 * Graphics backends:: |
| 6888 | 445 @end menu |
| 446 | |
| 447 @node Graphics Objects | |
| 448 @subsection Graphics Objects | |
| 449 | |
| 450 Plots in Octave are constructed from the following @dfn{graphics | |
| 451 objects}. Each graphics object has a set of properties that define its | |
| 452 appearance and may also contain links to other graphics objects. | |
| 453 Graphics objects are only referenced by a numeric index, or @dfn{handle}. | |
| 454 | |
| 455 @table @asis | |
| 456 @item root figure | |
| 457 The parent of all figure objects. The index for the root figure is | |
| 458 defined to be 0. | |
| 459 | |
| 460 @item figure | |
| 461 A figure window. | |
| 462 | |
| 463 @item axes | |
| 464 An set of axes. This object is a child of a figure object and may be a | |
| 465 parent of line, text, image, patch, or surface objects. | |
| 466 | |
| 467 @item line | |
| 468 A line in two or three dimensions. | |
| 469 | |
| 470 @item text | |
| 471 Text annotations. | |
| 472 | |
| 473 @item image | |
| 474 A bitmap image. | |
| 475 | |
| 476 @item patch | |
| 477 A filled polygon, currently limited to two dimensions. | |
| 478 | |
| 479 @item surface | |
| 480 A three-dimensional surface. | |
| 481 @end table | |
| 482 | |
| 483 To determine whether an object is a graphics object index or a figure | |
| 484 index, use the functions @code{ishandle} and @code{isfigure}. | |
| 485 | |
| 486 @DOCSTRING(ishandle) | |
| 487 | |
| 488 @DOCSTRING(isfigure) | |
| 489 | |
| 490 The function @code{gcf} returns an index to the current figure object, | |
| 491 or creates one if none exists. Similarly, @code{gca} returns the | |
| 492 current axes object, or creates one (and its parent figure object) if | |
| 493 none exists. | |
| 494 | |
| 495 @DOCSTRING(gcf) | |
| 496 | |
| 497 @DOCSTRING(gca) | |
| 498 | |
| 499 The @code{get} and @code{set} functions may be used to examine and set | |
| 500 properties for graphics objects. For example, | |
| 501 | |
| 502 @example | |
| 503 @group | |
| 504 get (0) | |
| 505 @result{} ans = | |
| 506 @{ | |
| 507 type = root figure | |
| 508 currentfigure = [](0x0) | |
| 509 children = [](0x0) | |
| 510 visible = on | |
| 511 @} | |
| 512 @end group | |
| 513 @end example | |
| 514 | |
| 515 @noindent | |
| 516 returns a structure containing all the properties of the root figure. | |
| 517 As with all functions in Octave, the structure is returned by value, so | |
| 518 modifying it will not modify the internal root figure plot object. To | |
| 519 do that, you must use the @code{set} function. Also, note that in this | |
| 520 case, the @code{currentfigure} property is empty, which indicates that | |
| 521 there is no current figure window. | |
| 522 | |
| 523 The @code{get} function may also be used to find the value of a single | |
| 524 property. For example, | |
| 525 | |
| 526 @example | |
| 527 @group | |
| 528 get (gca (), "xlim") | |
| 529 @result{} [ 0 1 ] | |
| 530 @end group | |
| 531 @end example | |
| 532 | |
| 533 @noindent | |
| 534 returns the range of the x-axis for the current axes object in the | |
| 535 current figure. | |
| 536 | |
| 537 To set graphics object properties, use the set function. For example, | |
| 538 | |
| 539 @example | |
| 540 set (gca (), "xlim", [-10, 10]); | |
| 541 @end example | |
| 542 | |
| 543 @noindent | |
| 544 sets the range of the x-axis for the current axes object in the current | |
| 545 figure to @samp{[-10, 10]}. Additionally, calling set with a graphics | |
| 546 object index as the only argument returns a structure containing the | |
| 547 default values for all the properties for the given object type. For | |
| 548 example, | |
| 549 | |
| 550 @example | |
| 551 set (gca ()) | |
| 552 @end example | |
| 553 | |
| 554 @noindent | |
| 555 returns a structure containing the default property values for axes | |
| 556 objects. | |
| 557 | |
| 558 @DOCSTRING(get) | |
| 559 | |
| 560 @DOCSTRING(set) | |
| 561 | |
| 562 @DOCSTRING(ancestor) | |
| 563 | |
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564 @DOCSTRING(allchild) |
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565 |
| 6888 | 566 You can create axes, line, and patch objects directly using the |
| 567 @code{axes}, @code{line}, and @code{patch} functions. These objects | |
| 568 become children of the current axes object. | |
| 569 | |
| 570 @DOCSTRING(axes) | |
| 571 | |
| 572 @DOCSTRING(line) | |
| 573 | |
| 574 @DOCSTRING(patch) | |
| 575 | |
| 7120 | 576 @DOCSTRING(surface) |
| 577 | |
| 6888 | 578 By default, Octave refreshes the plot window when a prompt is printed, |
| 579 or when waiting for input. To force an update at other times, call the | |
| 580 @code{drawnow} function. | |
| 581 | |
| 582 @DOCSTRING(drawnow) | |
| 583 | |
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584 Only figures that are modified will be updated. The @code{refresh} |
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585 function can also be to force an update of the current figure, even if |
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586 it is nor modified. |
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587 |
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588 @DOCSTRING(refresh) |
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589 |
| 6888 | 590 Normally, high-level plot functions like @code{plot} or @code{mesh} call |
| 591 @code{newplot} to initialize the state of the current axes so that the | |
| 592 next plot is drawn in a blank window with default property settings. To | |
| 593 have two plots superimposed over one another, call the @code{hold} | |
| 594 function. For example, | |
| 595 | |
| 596 @example | |
| 597 @group | |
| 598 hold ("on"); | |
| 599 x = -10:0.1:10; | |
| 600 plot (x, sin (x)); | |
| 601 plot (x, cos (x)); | |
| 602 hold ("off"); | |
| 603 @end group | |
| 604 @end example | |
| 605 | |
| 606 @noindent | |
| 607 displays sine and cosine waves on the same axes. If the hold state is | |
| 608 off, consecutive plotting commands like this will only display the last | |
| 609 plot. | |
| 610 | |
| 611 @DOCSTRING(newplot) | |
| 612 | |
| 613 @DOCSTRING(hold) | |
| 614 | |
| 615 @DOCSTRING(ishold) | |
| 616 | |
| 617 To clear the current figure, call the @code{clf} function. To bring it | |
| 618 to the top of the window stack, call the @code{shg} function. To delete | |
| 619 a graphics object, call @code{delete} on its index. To close the | |
| 620 figure window, call the @code{close} function. | |
| 621 | |
| 622 @DOCSTRING(clf) | |
| 623 | |
| 624 @DOCSTRING(shg) | |
| 625 | |
| 626 @DOCSTRING(delete) | |
| 627 | |
| 628 @DOCSTRING(close) | |
| 629 | |
| 630 @DOCSTRING(closereq) | |
| 631 | |
| 632 @node Graphics Object Properties | |
| 633 @subsection Graphics Object Properties | |
| 634 @cindex graphics object properties | |
| 635 | |
| 636 @menu | |
| 637 * Root Figure Properties:: | |
| 6889 | 638 * Figure Properties:: |
| 6888 | 639 * Axes Properties:: |
| 640 * Line Properties:: | |
| 641 * Text Properties:: | |
| 642 * Image Properties:: | |
| 643 * Patch Properties:: | |
| 644 * Surface Properties:: | |
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645 * Searching Properties:: |
| 6888 | 646 @end menu |
| 647 | |
| 648 @node Root Figure Properties | |
| 649 @subsubsection Root Figure Properties | |
| 650 | |
| 651 @table @code | |
| 652 @item currentfigure | |
| 6889 | 653 Index to graphics object for the current figure. |
| 654 | |
| 655 @c FIXME -- does this work? | |
| 656 @c @item visible | |
| 657 @c Either @code{"on"} or @code{"off"} to toggle display of figures. | |
| 6888 | 658 @end table |
| 659 | |
| 6889 | 660 @node Figure Properties |
| 661 @subsubsection Figure Properties | |
| 6888 | 662 |
| 663 @table @code | |
| 664 @item nextplot | |
| 6889 | 665 May be one of |
| 666 @table @code | |
| 667 @item "new" | |
| 668 @item "add" | |
| 669 @item "replace" | |
| 670 @item "replacechildren" | |
| 671 @end table | |
| 672 | |
| 6888 | 673 @item closerequestfcn |
| 6889 | 674 Handle of function to call when a figure is closed. |
| 675 | |
| 6888 | 676 @item currentaxes |
| 6889 | 677 Index to graphics object of current axes. |
| 678 | |
| 6888 | 679 @item colormap |
| 6889 | 680 An N-by-3 matrix containing the color map for the current axes. |
| 681 | |
| 6888 | 682 @item visible |
| 6889 | 683 Either @code{"on"} or @code{"off"} to toggle display of the figure. |
| 684 | |
| 6888 | 685 @item paperorientation |
| 6889 | 686 Indicates the orientation for printing. Either @code{"landscape"} or |
| 687 @code{"portrait"}. | |
| 6888 | 688 @end table |
| 689 | |
| 690 @node Axes Properties | |
| 691 @subsubsection Axes Properties | |
| 692 | |
| 693 @table @code | |
| 694 @item position | |
| 6889 | 695 A four-element vector specifying the coordinates of the lower left |
| 696 corner and width and height of the plot, in normalized units. For | |
| 697 example, @code{[0.2, 0.3, 0.4, 0.5]} sets the lower left corner of the | |
| 7001 | 698 axes at @math{(0.2, 0.3)} and the width and height to be 0.4 and 0.5 |
| 6889 | 699 respectively. |
| 700 | |
| 6888 | 701 @item title |
| 6889 | 702 Index of text object for the axes title. |
| 703 | |
| 6888 | 704 @item box |
| 6889 | 705 Either @code{"on"} or @code{"off"} to toggle display of the box around |
| 706 the axes. | |
| 707 | |
| 6888 | 708 @item key |
| 6889 | 709 Either @code{"on"} or @code{"off"} to toggle display of the legend. |
| 710 Note that this property is not compatible with @sc{Matlab} and may be | |
| 711 removed in a future version of Octave. | |
| 712 | |
| 6888 | 713 @item keybox |
| 6889 | 714 Either @code{"on"} or @code{"off"} to toggle display of a box around the |
| 715 legend. Note that this property is not compatible with @sc{Matlab} and | |
| 716 may be removed in a future version of Octave. | |
| 717 | |
| 6888 | 718 @item keypos |
| 6889 | 719 An integer from 1 to 4 specifying the position of the legend. 1 |
| 720 indicates upper right corner, 2 indicates upper left, 3 indicates lower | |
| 721 left, and 4 indicates lower right. Note that this property is not | |
| 722 compatible with @sc{Matlab} and may be removed in a future version of | |
| 723 Octave. | |
| 724 | |
| 6888 | 725 @item dataaspectratio |
| 6889 | 726 A two-element vector specifying the relative height and width of the |
| 727 data displayed in the axes. Setting @code{dataaspectratio} to @samp{1, | |
| 728 2]} causes the length of one unit as displayed on the y axis to be the | |
| 729 same as the length of 2 units on the x axis. Setting | |
| 730 @code{dataaspectratio} also forces the @code{dataaspectratiomode} | |
| 731 property to be set to @code{"manual"}. | |
| 732 | |
| 6888 | 733 @item dataaspectratiomode |
| 6889 | 734 Either @code{"manual"} or @code{"auto"}. |
| 735 | |
| 6888 | 736 @item xlim |
| 737 @itemx ylim | |
| 738 @itemx zlim | |
| 739 @itemx clim | |
| 6889 | 740 Two-element vectors defining the limits for the x, y, and z axes and the |
| 741 Setting one of these properties also forces the corresponding mode | |
| 742 property to be set to @code{"manual"}. | |
| 743 | |
| 6888 | 744 @item xlimmode |
| 745 @itemx ylimmode | |
| 746 @itemx zlimmode | |
| 747 @itemx climmode | |
| 6889 | 748 Either @code{"manual"} or @code{"auto"}. |
| 749 | |
| 6888 | 750 @item xlabel |
| 751 @itemx ylabel | |
| 752 @itemx zlabel | |
| 6889 | 753 Indices to text objects for the axes labels. |
| 754 | |
| 6888 | 755 @item xgrid |
| 756 @itemx ygrid | |
| 757 @itemx zgrid | |
| 6889 | 758 Either @code{"on"} or @code{"off"} to toggle display of grid lines. |
| 759 | |
| 6888 | 760 @item xminorgrid |
| 761 @itemx yminorgrid | |
| 762 @itemx zminorgrid | |
| 6889 | 763 Either @code{"on"} or @code{"off"} to toggle display of minor grid lines. |
| 764 | |
| 6888 | 765 @item xtick |
| 766 @itemx ytick | |
| 767 @itemx ztick | |
| 6889 | 768 Setting one of these properties also forces the corresponding mode |
| 769 property to be set to @code{"manual"}. | |
| 770 | |
| 6888 | 771 @item xtickmode |
| 772 @itemx ytickmode | |
| 773 @itemx ztickmode | |
| 6889 | 774 Either @code{"manual"} or @code{"auto"}. |
| 775 | |
| 6888 | 776 @item xticklabel |
| 777 @itemx yticklabel | |
| 778 @itemx zticklabel | |
| 6889 | 779 Setting one of these properties also forces the corresponding mode |
| 780 property to be set to @code{"manual"}. | |
| 781 | |
| 6888 | 782 @item xticklabelmode |
| 783 @itemx yticklabelmode | |
| 784 @itemx zticklabelmode | |
| 6889 | 785 Either @code{"manual"} or @code{"auto"}. |
| 786 | |
| 6888 | 787 @item xscale |
| 788 @itemx yscale | |
| 789 @itemx zscale | |
| 6889 | 790 Either @code{"linear"} or @code{"log"}. |
| 791 | |
| 6888 | 792 @item xdir |
| 793 @itemx ydir | |
| 794 @itemx zdir | |
| 6889 | 795 Either @code{"forward"} or @code{"reverse"}. |
| 796 | |
| 6888 | 797 @item xaxislocation |
| 798 @itemx yaxislocation | |
| 6889 | 799 Either @code{"top"} or @code{"bottom"} for the x axis and @code{"left"} |
| 800 or @code{"right"} for the y axis. | |
| 801 | |
| 6888 | 802 @item view |
| 6889 | 803 A three element vector specifying the view point for three-dimensional plots. |
| 804 | |
| 6888 | 805 @item visible |
| 6889 | 806 Either @code{"on"} or @code{"off"} to toggle display of the axes. |
| 807 | |
| 6888 | 808 @item nextplot |
| 6889 | 809 May be one of |
| 810 @table @code | |
| 811 @item "new" | |
| 812 @item "add" | |
| 813 @item "replace" | |
| 814 @item "replacechildren" | |
| 815 @end table | |
| 816 | |
| 6888 | 817 @item outerposition |
| 6889 | 818 A four-element vector specifying the coordinates of the lower left |
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819 corner and width and height of the plot, in normalized units including |
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820 the tics, labels etc. For example, @code{[0.2, 0.3, 0.4, 0.5]} sets the |
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821 lower left corner of the axes at @math{(0.2, 0.3)} and the width and |
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822 height to be 0.4 and 0.5 respectively. |
| 6888 | 823 @end table |
| 824 | |
| 825 @node Line Properties | |
| 826 @subsubsection Line Properties | |
| 827 | |
| 828 @table @code | |
| 829 @itemx xdata | |
| 830 @itemx ydata | |
| 831 @itemx zdata | |
| 832 @itemx ldata | |
| 833 @itemx udata | |
| 834 @itemx xldata | |
| 835 @itemx xudata | |
| 6889 | 836 The data to be plotted. The @code{ldata} and @code{udata} elements are |
| 837 for errobars in the y direction, and the @code{xldata} and @code{xudata} | |
| 838 elements are for errorbars in the x direction. | |
| 839 | |
| 6888 | 840 @item color |
| 6889 | 841 The RGB color of the line, or a color name. @xref{Colors}. |
| 842 | |
| 6888 | 843 @item linestyle |
| 6889 | 844 @itemx linewidth |
| 845 @xref{Line Styles}. | |
| 846 | |
| 6888 | 847 @item marker |
| 848 @item markeredgecolor | |
| 849 @item markerfacecolor | |
| 850 @item markersize | |
| 6889 | 851 @xref{Marker Styles}. |
| 852 | |
| 6888 | 853 @item keylabel |
| 6889 | 854 The text of the legend entry corresponding to this line. Note that this |
| 855 property is not compatible with @sc{Matlab} and may be removed in a | |
| 856 future version of Octave. | |
| 6888 | 857 @end table |
| 858 | |
| 859 @node Text Properties | |
| 860 @subsubsection Text Properties | |
| 861 | |
| 862 @table @code | |
| 863 @item string | |
| 6889 | 864 The character string contained by the text object. |
| 865 | |
| 6888 | 866 @item units |
| 6889 | 867 May be @code{"normalized"} or @code{"graph"}. |
| 868 | |
| 6888 | 869 @item position |
| 6889 | 870 The coordinates of the text object. |
| 871 | |
| 6888 | 872 @item rotation |
| 6889 | 873 The angle of rotation for the displayed text, measured in degrees. |
| 874 | |
| 6888 | 875 @item horizontalalignment |
| 6889 | 876 May be @code{"left"}, @code{"center"}, or @code{"right"}. |
| 877 | |
| 6888 | 878 @item color |
| 6889 | 879 The color of the text. @xref{Colors}. |
| 7189 | 880 |
| 881 @item fontname | |
| 882 The font used for the text. | |
| 883 | |
| 884 @item fontsize | |
| 885 The size of the font, in points to use. | |
| 886 | |
| 887 @item fontangle | |
| 888 Flag whether the font is italic or normal. Valid values are 'normal', | |
| 889 'italic' and 'oblique'. | |
| 890 | |
| 891 @item fontweight | |
| 892 Flag whether the font is bold, etc. Valid values are 'normal', 'bold', | |
| 893 'demi' or 'light'. | |
| 894 | |
| 895 @item interpreter | |
| 896 Determines how the text is rendered. Valid values are 'none', 'tex' or | |
| 897 'latex'. | |
| 6888 | 898 @end table |
| 899 | |
| 7189 | 900 All text objects, including titles, labels, legends, and text, include |
| 901 the property 'interpreter', this property determines the manner in which | |
| 902 special control sequences in the text are rendered. If the interpreter | |
| 903 is set to 'none', then no rendering occurs. At this point the 'latex' | |
| 904 option is not implemented and so the 'latex' interpreter also does not | |
| 905 interpret the text. | |
| 906 | |
| 907 The 'tex' option implements a subset of @sc{TeX} functionality in the | |
| 908 rendering of the text. This allows the insertion of special characters | |
| 909 such as Greek or mathematical symbols within the text. The special | |
| 910 characters are also inserted with a code starting with the back-slash | |
| 911 (\) character, as in the table @ref{tab:extended}. | |
| 912 | |
| 913 In addition, the formating of the text can be changed within the string | |
| 914 with the codes | |
| 915 | |
| 916 @multitable @columnfractions .2 .2 .6 .2 | |
| 917 @item @tab \bf @tab Bold font @tab | |
| 918 @item @tab \it @tab Italic font @tab | |
| 919 @item @tab \sl @tab Oblique Font @tab | |
| 920 @item @tab \rm @tab Normal font @tab | |
| 921 @end multitable | |
| 922 | |
| 923 These are be used in conjunction with the @{ and @} characters to limit | |
| 924 the change in the font to part of the string. For example | |
| 925 | |
| 926 @example | |
| 927 xlabel ('@{\bf H@} = a @{\bf V@}') | |
| 928 @end example | |
| 929 | |
| 930 where the character 'a' will not appear in a bold font. Note that to | |
| 931 avoid having Octave interpret the backslash characters in the strings, | |
| 932 the strings should be in single quotes. | |
| 933 | |
| 934 It is also possible to change the fontname and size within the text | |
| 935 | |
| 936 @multitable @columnfractions .1 .4 .6 .1 | |
| 937 @item @tab \fontname@{@var{fontname}@} @tab Specify the font to use @tab | |
| 938 @item @tab \fontsize@{@var{size}@} @tab Specify the size of the font to | |
| 939 use @tab | |
| 940 @end multitable | |
| 941 | |
| 942 Finally, the superscript and subscripting can be controlled with the '^' | |
| 943 and '_' characters. If the '^' or '_' is followed by a @{ character, | |
| 944 then all of the block surrounded by the @{ @} pair is super- or | |
| 945 sub-scripted. Without the @{ @} pair, only the character immediately | |
| 946 following the '^' or '_' is super- or sub-scripted. | |
| 947 | |
| 948 @float Table,tab:extended | |
| 949 @iftex | |
| 950 @tex | |
| 951 \vskip 6pt | |
| 952 {\hbox to \hsize {\hfill\vbox{\offinterlineskip \tabskip=0pt | |
| 953 \halign{ | |
| 954 \vrule height2.0ex depth1.ex width 0.6pt #\tabskip=0.3em & | |
| 955 # \hfil & \vrule # & # \hfil & # \vrule & | |
| 956 # \hfil & \vrule # & # \hfil & # \vrule & | |
| 957 # \hfil & \vrule # & # \hfil & # \vrule | |
| 958 width 0.6pt \tabskip=0pt\cr | |
| 959 \noalign{\hrule height 0.6pt} | |
| 960 & Code && Sym && Code && Sym && Code && Sym &\cr | |
| 961 \noalign{\hrule} | |
|
7608
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962 & $\backslash$forall && $\forall$ |
|
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963 && $\backslash$exists && $\exists$ |
|
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964 && $\backslash$ni && $\ni$ &\cr |
|
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965 & $\backslash$cong && $\cong$ |
|
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966 && $\backslash$Delta && $\Delta$ |
|
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967 && $\backslash$Phi && $\Phi$ &\cr |
|
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968 & $\backslash$Gamma && $\Gamma$ |
|
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|
969 && $\backslash$vartheta && $\vartheta$ |
|
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970 && $\backslash$Lambda && $\Lambda$ &\cr |
|
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971 & $\backslash$Pi && $\Pi$ |
|
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972 && $\backslash$Theta && $\Theta$ |
|
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973 && $\backslash$Sigma && $\Sigma$ &\cr |
|
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974 & $\backslash$varsigma && $\varsigma$ |
|
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|
975 && $\backslash$Omega && $\Omega$ |
|
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976 && $\backslash$Xi && $\Xi$ &\cr |
|
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977 & $\backslash$Psi && $\Psi$ |
|
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978 && $\backslash$perp && $\perp$ |
|
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979 && $\backslash$alpha && $\alpha$ &\cr |
|
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980 & $\backslash$beta && $\beta$ |
|
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981 && $\backslash$chi && $\chi$ |
|
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982 && $\backslash$delta && $\delta$ &\cr |
|
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983 & $\backslash$epsilon && $\epsilon$ |
|
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984 && $\backslash$phi && $\phi$ |
|
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985 && $\backslash$gamma && $\gamma$ &\cr |
|
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986 & $\backslash$eta && $\eta$ |
|
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987 && $\backslash$iota && $\iota$ |
|
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988 && $\backslash$varphi && $\varphi$ &\cr |
|
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|
989 & $\backslash$kappa && $\kappa$ |
|
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|
990 && $\backslash$lambda && $\lambda$ |
|
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|
991 && $\backslash$mu && $\mu$ &\cr |
|
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|
992 & $\backslash$nu && $\nu$ |
|
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|
993 && $\backslash$o && $\o$ |
|
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|
994 && $\backslash$pi && $\pi$ &\cr |
|
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|
995 & $\backslash$theta && $\theta$ |
|
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|
996 && $\backslash$rho && $\rho$ |
|
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|
997 && $\backslash$sigma && $\sigma$ &\cr |
|
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|
998 & $\backslash$tau && $\tau$ |
|
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|
999 && $\backslash$upsilon && $\upsilon$ |
|
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|
1000 && $\backslash$varpi && $\varpi$ &\cr |
|
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|
1001 & $\backslash$omega && $\omega$ |
|
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|
1002 && $\backslash$xi && $\xi$ |
|
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|
1003 && $\backslash$psi && $\psi$ &\cr |
|
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|
1004 & $\backslash$zeta && $\zeta$ |
|
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|
1005 && $\backslash$sim && $\sim$ |
|
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|
1006 && $\backslash$Upsilon && $\Upsilon$ &\cr |
|
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|
1007 & $\backslash$prime && $\prime$ |
|
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|
1008 && $\backslash$leq && $\leq$ |
|
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|
1009 && $\backslash$infty && $\infty$ &\cr |
|
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|
1010 & $\backslash$clubsuit && $\clubsuit$ |
|
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|
1011 && $\backslash$diamondsuit && $\diamondsuit$ |
|
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|
1012 && $\backslash$heartsuit && $\heartsuit$ &\cr |
|
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|
1013 & $\backslash$spadesuit && $\spadesuit$ |
|
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|
1014 && $\backslash$leftrightarrow && $\leftrightarrow$ |
|
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|
1015 && $\backslash$leftarrow && $\leftarrow$ &\cr |
|
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|
1016 & $\backslash$uparrow && $\uparrow$ |
|
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|
1017 && $\backslash$rightarrow && $\rightarrow$ |
|
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|
1018 && $\backslash$downarrow && $\downarrow$ &\cr |
|
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|
1019 & $\backslash$circ && $\circ$ |
|
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|
1020 && $\backslash$pm && $\pm$ |
|
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|
1021 && $\backslash$geq && $\geq$ &\cr |
|
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|
1022 & $\backslash$times && $\times$ |
|
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|
1023 && $\backslash$propto && $\propto$ |
|
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|
1024 && $\backslash$partial && $\partial$ &\cr |
|
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|
1025 & $\backslash$bullet && $\bullet$ |
|
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|
1026 && $\backslash$div && $\div$ |
|
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|
1027 && $\backslash$neq && $\neq$ &\cr |
|
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|
1028 & $\backslash$equiv && $\equiv$ |
|
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|
1029 && $\backslash$approx && $\approx$ |
|
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|
1030 && $\backslash$ldots && $\ldots$ &\cr |
|
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|
1031 & $\backslash$mid && $\mid$ |
|
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|
1032 && $\backslash$aleph && $\aleph$ |
|
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|
1033 && $\backslash$Im && $\Im$ &\cr |
|
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|
1034 & $\backslash$Re && $\Re$ |
|
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|
1035 && $\backslash$wp && $\wp$ |
|
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|
1036 && $\backslash$otimes && $\otimes$ &\cr |
|
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|
1037 & $\backslash$oplus && $\oplus$ |
|
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|
1038 && $\backslash$oslash && $\oslash$ |
|
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|
1039 && $\backslash$cap && $\cap$ &\cr |
|
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|
1040 & $\backslash$cup && $\cup$ |
|
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|
1041 && $\backslash$supset && $\supset$ |
|
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|
1042 && $\backslash$supseteq && $\supseteq$ &\cr |
|
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|
1043 & $\backslash$subset && $\subset$ |
|
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|
1044 && $\backslash$subseteq && $\subseteq$ |
|
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|
1045 && $\backslash$in && $\in$ &\cr |
|
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|
1046 & $\backslash$notin && $\notin$ |
|
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|
1047 && $\backslash$angle && $\angle$ |
|
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|
1048 && $\backslash$bigtriangledown && $\bigtriangledown$ &\cr |
|
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|
1049 & $\backslash$langle && $\langle$ |
|
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|
1050 && $\backslash$rangle && $\rangle$ |
|
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|
1051 && $\backslash$nabla && $\nabla$ &\cr |
|
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|
1052 & $\backslash$prod && $\prod$ |
|
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|
1053 && $\backslash$surd && $\surd$ |
|
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|
1054 && $\backslash$cdot && $\cdot$ &\cr |
|
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1055 & $\backslash$neg && $\neg$ |
|
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|
1056 && $\backslash$wedge && $\wedge$ |
|
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|
1057 && $\backslash$vee && $\vee$ &\cr |
|
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|
1058 & $\backslash$Leftrightarrow && $\Leftrightarrow$ |
|
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|
1059 && $\backslash$Leftarrow && $\Leftarrow$ |
|
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|
1060 && $\backslash$Uparrow && $\Uparrow$ &\cr |
|
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|
1061 & $\backslash$Rightarrow && $\Rightarrow$ |
|
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|
1062 && $\backslash$Downarrow && $\Downarrow$ |
|
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|
1063 && $\backslash$diamond && $\diamond$ &\cr |
|
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|
1064 & $\backslash$copyright && $\copyright$ |
|
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|
1065 && $\backslash$rfloor && $\rfloor$ |
|
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|
1066 && $\backslash$lceil && $\lceil$ &\cr |
|
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1067 & $\backslash$lfloor && $\lfloor$ |
|
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|
1068 && $\backslash$rceil && $\rceil$ |
|
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|
1069 && $\backslash$int && $\int$ &\cr |
| 7189 | 1070 \noalign{\hrule height 0.6pt} |
| 1071 }}\hfill}} | |
| 1072 @end tex | |
| 1073 @end iftex | |
| 1074 @ifnottex | |
| 1075 @multitable @columnfractions .125 .25 .25 .25 .125 | |
|
7608
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1076 @item @tab \forall @tab \exists @tab \ni @tab |
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|
1077 @item @tab \cong @tab \Delta @tab \Phi @tab |
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|
1078 @item @tab \Gamma @tab \vartheta @tab \Lambda @tab |
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1079 @item @tab \Pi @tab \Theta @tab \Sigma @tab |
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1080 @item @tab \varsigma @tab \Omega @tab \Xi @tab |
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1081 @item @tab \Psi @tab \perp @tab \alpha @tab |
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1082 @item @tab \beta @tab \chi @tab \delta @tab |
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1083 @item @tab \epsilon @tab \phi @tab \gamma @tab |
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1084 @item @tab \eta @tab \iota @tab \varphi @tab |
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1085 @item @tab \kappa @tab \lambda @tab \mu @tab |
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1086 @item @tab \nu @tab \o @tab \pi @tab |
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1087 @item @tab \theta @tab \rho @tab \sigma @tab |
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1088 @item @tab \tau @tab \upsilon @tab \varpi @tab |
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1089 @item @tab \omega @tab \xi @tab \psi @tab |
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1090 @item @tab \zeta @tab \sim @tab \Upsilon @tab |
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1091 @item @tab \prime @tab \leq @tab \infty @tab |
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1092 @item @tab \clubsuit @tab \diamondsuit @tab \heartsuit @tab |
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1093 @item @tab \spadesuit @tab \leftrightarrow @tab \leftarrow @tab |
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|
1094 @item @tab \uparrow @tab \rightarrow @tab \downarrow @tab |
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1095 @item @tab \circ @tab \pm @tab \geq @tab |
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|
1096 @item @tab \times @tab \propto @tab \partial @tab |
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|
1097 @item @tab \bullet @tab \div @tab \neq @tab |
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|
1098 @item @tab \equiv @tab \approx @tab \ldots @tab |
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|
1099 @item @tab \mid @tab \aleph @tab \Im @tab |
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1100 @item @tab \Re @tab \wp @tab \otimes @tab |
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1101 @item @tab \oplus @tab \oslash @tab \cap @tab |
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1102 @item @tab \cup @tab \supset @tab \supseteq @tab |
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1103 @item @tab \subset @tab \subseteq @tab \in @tab |
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1104 @item @tab \notin @tab \angle @tab \bigrightriangledown @tab |
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1105 @item @tab \langle @tab \rangle @tab \nabla @tab |
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1106 @item @tab \prod @tab \surd @tab \cdot @tab |
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1107 @item @tab \neg @tab \wedge @tab \vee @tab |
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1108 @item @tab \Leftrightarrow @tab \Leftarrow @tab \Uparrow @tab |
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1109 @item @tab \Rightarrow @tab \Downarrow @tab \diamond @tab |
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1110 @item @tab \copyright @tab \lfloor @tab \lceil @tab |
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|
1111 @item @tab \rfloor @tab \rceil @tab \int @tab |
| 7189 | 1112 @end multitable |
| 1113 @end ifnottex | |
| 1114 @caption{Available special characters in @sc{TeX} mode} | |
| 1115 @end float | |
| 1116 | |
| 1117 A complete example showing the capabilities of the extended text is | |
| 1118 | |
| 1119 @example | |
| 1120 @group | |
| 1121 x = 0:0.01:3; | |
| 1122 plot(x,erf(x)); | |
| 1123 hold on; | |
| 1124 plot(x,x,"r"); | |
| 1125 axis([0, 3, 0, 1]); | |
| 1126 text(0.65, 0.6175, strcat('\leftarrow x = @{2/\surd\pi', | |
| 1127 ' @{\fontsize@{16@}\int_@{\fontsize@{8@}0@}^@{\fontsize@{8@}x@}@}', | |
| 1128 ' e^@{-t^2@} dt@} = 0.6175')) | |
| 1129 @end group | |
| 1130 @end example | |
| 1131 | |
| 1132 @ifnotinfo | |
| 1133 @noindent | |
| 1134 The result of which can be seen in @ref{fig:extendedtext} | |
| 1135 | |
| 1136 @float Figure,fig:extendedtext | |
| 1137 @image{extended,8cm} | |
| 1138 @caption{Example of inclusion of text with the @sc{TeX} interpreter} | |
| 1139 @end float | |
| 1140 @end ifnotinfo | |
| 1141 | |
| 6888 | 1142 @node Image Properties |
| 1143 @subsubsection Image Properties | |
| 1144 | |
| 1145 @table @code | |
| 1146 @item cdata | |
| 6889 | 1147 The data for the image. Each pixel of the image corresponds to an |
| 1148 element of @code{cdata}. The value of an element of @code{cdata} | |
| 1149 specifies the row-index into the colormap of the axes object containing | |
| 1150 the image. The color value found in the color map for the given index | |
| 1151 determines the color of the pixel. | |
| 1152 | |
| 1153 @item xdata | |
| 6888 | 1154 @itemx ydata |
| 7001 | 1155 Two-element vectors specifying the range of the x- and y- coordinates for |
| 6889 | 1156 the image. |
| 6888 | 1157 @end table |
| 1158 | |
| 1159 @node Patch Properties | |
| 1160 @subsubsection Patch Properties | |
| 1161 | |
| 1162 @table @code | |
| 1163 @item cdata | |
| 1164 @itemx xdata | |
| 1165 @itemx ydata | |
| 1166 @itemx zdata | |
| 6889 | 1167 Data defining the patch object. |
| 1168 | |
| 6888 | 1169 @item facecolor |
| 6889 | 1170 The fill color of the patch. @xref{Colors}. |
| 1171 | |
| 6888 | 1172 @item facealpha |
| 6889 | 1173 A number in the range [0, 1] indicating the transparency of the patch. |
| 1174 | |
| 6888 | 1175 @item edgecolor |
| 6889 | 1176 The color of the line defining the patch. @xref{Colors}. |
| 1177 | |
| 6888 | 1178 @item linestyle |
| 6889 | 1179 @itemx linewidth |
| 1180 @xref{Line Styles}. | |
| 1181 | |
| 6888 | 1182 @item marker |
| 6889 | 1183 @itemx markeredgecolor |
| 1184 @itemx markerfacecolor | |
| 1185 @itemx markersize | |
| 1186 @xref{Marker Styles}. | |
| 6888 | 1187 @end table |
| 1188 | |
| 1189 @node Surface Properties | |
| 1190 @subsubsection Surface Properties | |
| 1191 | |
| 1192 @table @code | |
| 1193 @item xdata | |
| 1194 @itemx ydata | |
| 1195 @itemx zdata | |
| 6889 | 1196 The data determining the surface. The @code{xdata} and @code{ydata} |
| 1197 elements are vectors and @code{zdata} must be a matrix. | |
| 1198 | |
| 6888 | 1199 @item keylabel |
| 6889 | 1200 The text of the legend entry corresponding to this surface. Note that |
| 1201 this property is not compatible with @sc{Matlab} and may be removed in a | |
| 1202 future version of Octave. | |
| 1203 @end table | |
| 1204 | |
|
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1205 @node Searching Properties |
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1206 @subsubsection Searching Properties |
|
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1207 |
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1208 @DOCSTRING(findobj) |
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1209 |
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1210 @DOCSTRING(findall) |
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1211 |
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1212 |
| 6891 | 1213 @node Managing Default Properties |
| 1214 @subsection Managing Default Properties | |
| 1215 | |
| 6892 | 1216 Object properties have two classes of default values, @dfn{factory |
| 1217 defaults} (the initial values) and @dfn{user-defined defaults}, which | |
| 1218 may override the factory defaults. | |
| 6891 | 1219 |
| 1220 Although default values may be set for any object, they are set in | |
| 1221 parent objects and apply to child objects. For example, | |
| 1222 | |
| 1223 @example | |
| 1224 set (0, "defaultlinecolor", "green"); | |
| 1225 @end example | |
| 1226 | |
| 1227 @noindent | |
| 1228 sets the default line color for all objects. The rule for constructing | |
| 1229 the property name to set a default value is | |
| 1230 | |
| 1231 @example | |
| 1232 default + @var{object-type} + @var{property-name} | |
| 1233 @end example | |
| 1234 | |
| 1235 This rule can lead to some strange looking names, for example | |
| 1236 @code{defaultlinelinewidth"} specifies the default @code{linewidth} | |
| 1237 property for @code{line} objects. | |
| 1238 | |
| 1239 The example above used the root figure object, 0, so the default | |
| 1240 property value will apply to all line objects. However, default values | |
| 1241 are hierarchical, so defaults set in a figure objects override those | |
| 1242 set in the root figure object. Likewise, defaults set in axes objects | |
| 1243 override those set in figure or root figure objects. For example, | |
| 1244 | |
| 1245 @example | |
| 1246 @group | |
| 1247 subplot (2, 1, 1); | |
| 1248 set (0, "defaultlinecolor", "red"); | |
| 1249 set (1, "defaultlinecolor", "green"); | |
| 1250 set (gca (), "defaultlinecolor", "blue"); | |
| 1251 line (1:10, rand (1, 10)); | |
| 1252 subplot (2, 1, 2); | |
| 1253 line (1:10, rand (1, 10)); | |
| 1254 figure (2) | |
| 1255 line (1:10, rand (1, 10)); | |
| 1256 @end group | |
| 1257 @end example | |
| 1258 | |
| 1259 @noindent | |
| 1260 produces two figures. The line in first subplot window of the first | |
| 1261 figure is blue because it inherits its color from its parent axes | |
| 1262 object. The line in the second subplot window of the first figure is | |
| 1263 green because it inherits its color from its parent figure object. The | |
| 1264 line in the second figure window is red because it inherits its color | |
| 1265 from the global root figure parent object. | |
| 1266 | |
| 1267 To remove a user-defined default setting, set the default property to | |
| 1268 the value @code{"remove"}. For example, | |
| 1269 | |
| 1270 @example | |
| 1271 set (gca (), "defaultlinecolor", "remove"); | |
| 1272 @end example | |
| 1273 | |
| 1274 @noindent | |
| 1275 removes the user-defined default line color setting from the current axes | |
| 1276 object. | |
| 1277 | |
| 1278 Getting the @code{"default"} property of an object returns a list of | |
| 1279 user-defined defaults set for the object. For example, | |
| 1280 | |
| 1281 @example | |
| 1282 get (gca (), "default"); | |
| 1283 @end example | |
| 1284 | |
| 1285 @noindent | |
| 1286 returns a list of user-defined default values for the current axes | |
| 1287 object. | |
| 1288 | |
| 1289 Factory default values are stored in the root figure object. The | |
| 1290 command | |
| 1291 | |
| 1292 @example | |
| 1293 get (0, "factory"); | |
| 1294 @end example | |
| 1295 | |
| 1296 @noindent | |
| 1297 returns a list of factory defaults. | |
| 1298 | |
| 6889 | 1299 @node Colors |
| 1300 @subsection Colors | |
| 1301 | |
| 1302 Colors may be specified as RGB triplets with values ranging from zero to | |
| 1303 one, or by name. Recognized color names include @code{"blue"}, | |
| 1304 @code{"black"}, @code{"cyan"}, @code{"green"}, @code{"magenta"}, | |
| 1305 @code{"red"}, @code{"white"}, and @code{"yellow"}. | |
| 1306 | |
| 1307 @node Line Styles | |
| 1308 @subsection Line Styles | |
| 7001 | 1309 Line styles are specified by the following properties: |
| 6889 | 1310 |
| 1311 @table @code | |
| 1312 @item linestyle | |
| 1313 May be one of | |
| 1314 @table @code | |
| 1315 @item "-" | |
| 1316 Solid lines. | |
| 1317 @item "--" | |
| 1318 Dashed lines. | |
| 1319 @item ":" | |
| 1320 Points. | |
| 1321 @item "-." | |
| 1322 A dash-dot line. | |
| 1323 @end table | |
| 1324 | |
| 1325 @item linewidth | |
| 1326 A number specifying the width of the line. The default is 1. A value | |
| 1327 of 2 is twice as wide as the default, etc. | |
| 1328 @end table | |
| 1329 | |
| 1330 @node Marker Styles | |
| 1331 @subsection Marker Styles | |
| 7001 | 1332 Marker styles are specified by the following properties: |
| 6889 | 1333 @table @code |
| 1334 @item marker | |
| 1335 A character indicating a plot marker to be place at each data point, or | |
| 1336 @code{"none"}, meaning no markers should be displayed. | |
| 1337 | |
| 1338 @itemx markeredgecolor | |
| 1339 The color of the edge around the marker, or @code{"auto"}, meaning that | |
| 1340 the edge color is the same as the face color. @xref{Colors}. | |
| 1341 | |
| 1342 @itemx markerfacecolor | |
| 1343 The color of the marker, or @code{"none"} to indicate that the marker | |
| 1344 should not be filled. @xref{Colors}. | |
| 1345 | |
| 1346 @itemx markersize | |
| 1347 A number specifying the size of the marker. The default is 1. A value | |
| 1348 of 2 is twice as large as the default, etc. | |
| 6888 | 1349 @end table |
| 1350 | |
|
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1351 @node Callbacks |
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1352 @subsection Callbacks |
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1353 |
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1354 Callback functions can be associated with graphics objects and triggered |
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1355 after certain events occur. The basic structure of all callback function |
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1356 is |
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1357 |
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|
1358 @example |
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1359 @group |
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1360 function mycallback (src, data) |
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1361 @dots{} |
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|
1362 endfunction |
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1363 @end group |
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1364 @end example |
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1365 |
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1366 where @code{src} gives a handle to the source of the callback, and |
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1367 @code{code} gives some event specific data. This can then be associated |
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1368 with an object either at the objects creation or later with the |
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1369 @code{set} function. For example |
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1370 |
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1371 @example |
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1372 plot (x, "DeleteFcn", @@(s, e) disp("Window Deleted")) |
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1373 @end example |
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1374 |
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1375 @noindent |
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1376 where at the moment that the plot is deleted, the message "Window |
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1377 Deleted" will be displayed. |
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1378 |
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1379 Additional user arguments can be passed to callback functions, and will |
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1380 be passed after the 2 default arguments. For example |
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1381 |
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1382 @example |
| 8057 | 1383 plot (x, "DeleteFcn", @{@@mycallback, "1"@}) |
|
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1384 @dots{} |
| 8057 | 1385 function mycallback (src, data, a1) |
|
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1386 fprintf ("Closing plot %d\n", a1); |
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1387 endfunction |
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1388 @end example |
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1389 |
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1390 The basic callback functions that are available for all graphics objects |
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1391 are |
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1392 |
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1393 @itemize @bullet |
|
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1394 @item CreateFcn |
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1395 This is the callback that is called at the moment of the objects |
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1396 creation. It is not called if the object is altered in any way, and so |
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1397 it only makes sense to define this callback in the function call that |
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1398 defines the object. Callbacks that are added to @code{CreateFcn} later with |
|
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1399 the @code{set} function will never be executed. |
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1400 |
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1401 @item DeleteFcn |
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1402 This is the callback that is called at the moment an object is deleted. |
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1403 |
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1404 @item ButtonDownFcn |
|
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1405 This is the callback that is called if a mouse button is pressed while |
|
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1406 the pointer is over this object. Note, that the gnuplot interface does |
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1407 not respect this callback. |
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David Bateman <dbateman@free.fr>
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1408 @end itemize |
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1409 |
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1410 The object and figure that the event occurred in that resulted in the |
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1411 callback being called can be found with the @code{gcbo} and @code{gcbf} |
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1412 functions. |
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1413 |
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1414 @DOCSTRING(gcbo) |
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1415 |
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1416 @DOCSTRING(gcbf) |
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1417 |
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1418 Callbacks can equally be added to properties with the @code{addlistener} |
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1419 function described below. |
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1420 |
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1421 @node Object Groups |
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1422 @subsection Object Groups |
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1423 |
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1424 A number of Octave high level plot functions return groups of other |
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1425 graphics objects or they return graphics objects that are have their |
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1426 properties linked in such a way that changes to one of the properties |
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1427 results in changes in the others. A graphic object that groups other |
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1428 objects is an @code{hggroup} |
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1429 |
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1430 @DOCSTRING(hggroup) |
|
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1431 |
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1432 For example a simple use of a @code{hggroup} might be |
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1433 |
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1434 @example |
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1435 @group |
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1436 x = 0:0.1:10; |
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1437 hg = hggroup (); |
|
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1438 plot (x, sin (x), "color", [1, 0, 0], "parent", hg); |
|
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David Bateman <dbateman@free.fr>
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1439 hold on |
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1440 plot (x, cos (x), "color", [0, 1, 0], "parent", hg); |
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1441 set (hg, "visible", "off"); |
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1442 @end group |
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David Bateman <dbateman@free.fr>
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1443 @end example |
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1444 |
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1445 @noindent |
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David Bateman <dbateman@free.fr>
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1446 which groups the two plots into a single object and contols their |
|
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1447 visiblity directly. The default properties of an @code{hggroup} are |
|
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David Bateman <dbateman@free.fr>
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1448 the same as the set of common properties for the other graphics |
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1449 objects. Additional properties can be added with the @code{addproperty} |
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1450 function. |
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1451 |
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1452 @DOCSTRING(addproperty) |
|
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1453 |
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1454 Once a property in added to an @code{hggroup}, it is not linked to any |
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1455 other property of either the children of the group, or any other |
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David Bateman <dbateman@free.fr>
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1456 graphics object. Add so to control the way in which this newly added |
|
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David Bateman <dbateman@free.fr>
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1457 property is used, the @code{addlistener} function is used to define a |
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1458 callback function that is executed when the property is altered. |
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1459 |
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1460 @DOCSTRING(addlistener) |
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1461 |
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1462 An example of the use of these two functions might be |
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1463 |
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1464 @example |
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1465 @group |
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1466 x = 0:0.1:10; |
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1467 hg = hggroup (); |
|
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1468 h = plot (x, sin (x), "color", [1, 0, 0], "parent", hg); |
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1469 addproperty ("linestyle", hg, "linelinestyle", get (h, "linestyle")); |
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1470 addlistener (hg, "linestyle", @@update_props); |
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1471 hold on |
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|
1472 plot (x, cos (x), "color", [0, 1, 0], "parent", hg); |
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1473 |
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|
1474 function update_props (h, d) |
|
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1475 set (get (h, "children"), "linestyle", get (h, "linestyle")); |
|
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David Bateman <dbateman@free.fr>
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|
1476 endfunction |
|
9a6f4713f765
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|
1477 @end group |
|
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|
1478 @end example |
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David Bateman <dbateman@free.fr>
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|
1479 |
|
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David Bateman <dbateman@free.fr>
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changeset
|
1480 @noindent |
|
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David Bateman <dbateman@free.fr>
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|
1481 that adds a @code{linestyle} property to the @code{hggroup} and |
|
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|
1482 propagating any changes its its value to the children of the group. The |
|
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David Bateman <dbateman@free.fr>
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|
1483 @code{linkprop} function can be used to simplify the above to be |
|
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|
1484 |
|
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David Bateman <dbateman@free.fr>
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|
1485 @example |
|
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changeset
|
1486 @group |
|
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David Bateman <dbateman@free.fr>
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|
1487 x = 0:0.1:10; |
|
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|
1488 hg = hggroup (); |
|
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|
1489 h1 = plot (x, sin (x), "color", [1, 0, 0], "parent", hg); |
|
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|
1490 addproperty ("linestyle", hg, "linelinestyle", get (h, "linestyle")); |
|
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changeset
|
1491 hold on |
|
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|
1492 h2 = plot (x, cos (x), "color", [0, 1, 0], "parent", hg); |
|
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|
1493 hlink = linkprop ([hg, h1, h2], "color"); |
|
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David Bateman <dbateman@free.fr>
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|
1494 @end group |
|
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changeset
|
1495 @end example |
|
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|
1496 |
|
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|
1497 @DOCSTRING(linkprop) |
|
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David Bateman <dbateman@free.fr>
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1498 |
|
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Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
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|
1499 These capabilities are used in a number of basic graphics objects. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
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|
1500 The @code{hggroup} objects created by the functions of Octave contain |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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|
1501 one or more graphics object and are used to: |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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|
1502 |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
parents:
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|
1503 @itemize @bullet |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
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|
1504 @item group together multiple graphics objects, |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
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|
1505 @item create linked properties between different graphics objects, and |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
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|
1506 @item to hide the nominal user data, from the actual data of the objects. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1507 @end itemize |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
parents:
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|
1508 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1509 @noindent |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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|
1510 For example the @code{stem} function creates a stem series where each |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1511 @code{hggroup} of the stem series contains two line objects representing |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1512 the body and head of the stem. The @code{ydata} property of the |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1513 @code{hggroup} of the stem series represents the head of the stem, |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1514 whereas the body of the stem is between the baseline and this value. For |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
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|
1515 example |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1516 |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
parents:
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changeset
|
1517 @example |
|
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David Bateman <dbateman@free.fr>
parents:
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changeset
|
1518 @group |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1519 h = stem (1:4) |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1520 get (h, "xdata") |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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|
1521 @result{} [ 1 2 3 4]' |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
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|
1522 get (get (h, "children")(1), "xdata") |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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|
1523 @result{} [ 1 1 NaN 2 2 NaN 3 3 NaN 4 4 NaN]' |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1524 @end group |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
parents:
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changeset
|
1525 @end example |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
parents:
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changeset
|
1526 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1527 @noindent |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1528 shows the the difference between the @code{xdata} of the @code{hggroup} |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1529 of a stem series object and the underlying line. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
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|
1530 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1531 The basic properties of such group objects is that they consist of one |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1532 or more linked @code{hggroup}, and that changes in certain properties of |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1533 these groups are propagated to other members of the group. Whereas, |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1534 certain properties of the members of the group only apply to the current |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
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|
1535 member. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1536 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1537 In addition the members of the group can also be linked to other |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1538 graphics objects through callback functions. For example the baseline of |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1539 the @code{bar} or @code{stem} functions is a line object, whose length |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1540 and position are automatically adjusted, based on changes to the |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1541 corresponding hggroup elements. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1542 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1543 @menu |
|
8070
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David Bateman <dbateman@free.fr>
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|
1544 * Data sources in object groups:: |
|
8056
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1545 * Area series:: |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1546 * Bar series:: |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1547 * Contour groups:: |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1548 * Error bar series:: |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1549 * Line series:: |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1550 * Quiver group:: |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1551 * Scatter group:: |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1552 * Stair group:: |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1553 * Stem Series:: |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1554 * Surface group:: |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1555 @end menu |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1556 |
|
8070
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David Bateman <dbateman@free.fr>
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changeset
|
1557 @node Data sources in object groups |
|
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David Bateman <dbateman@free.fr>
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changeset
|
1558 @subsubsection Data sources in object groups |
|
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David Bateman <dbateman@free.fr>
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diff
changeset
|
1559 |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
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changeset
|
1560 All of the group objects contain data source parameters. There are |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1561 string parameters that contain an expression that is evaluated to update |
|
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David Bateman <dbateman@free.fr>
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changeset
|
1562 the relevant data property of the group when the @code{refreshdata} |
|
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Add data sources and line series
David Bateman <dbateman@free.fr>
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changeset
|
1563 function is called. |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
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changeset
|
1564 |
|
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David Bateman <dbateman@free.fr>
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changeset
|
1565 @DOCSTRING(refreshdata) |
|
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David Bateman <dbateman@free.fr>
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changeset
|
1566 |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
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changeset
|
1567 @c add the description of the linkdata function here when it is written |
|
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David Bateman <dbateman@free.fr>
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changeset
|
1568 |
|
8056
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David Bateman <dbateman@free.fr>
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changeset
|
1569 @node Area series |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1570 @subsubsection Area series |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1571 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1572 Area series objects are created by the @code{area} function. Each of the |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1573 @code{hggroup} elements contains a single patch object. The properties |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1574 of the area series are |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1575 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1576 @table @code |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1577 @item basevalue |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
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changeset
|
1578 The value where the base of the area plot is drawn. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1579 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1580 @item linewidth |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1581 @itemx linestyle |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
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changeset
|
1582 The line width and style of the edge of the patch objects making up the |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1583 areas. @xref{Line Styles}. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1584 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1585 @item edgecolor |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1586 @itemx facecolor |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1587 The line and fill color of the patch objects making up the areas. @xref{Colors}. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1588 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1589 @item xdata |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1590 @itemx ydata |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1591 The x and y coordinates of the original columns of the data passed to |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
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|
1592 @code{area} prior to the cummulative summation used in the @code{area} |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
parents:
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|
1593 function. |
|
8070
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David Bateman <dbateman@free.fr>
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|
1594 |
|
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David Bateman <dbateman@free.fr>
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|
1595 @item xdatasource |
|
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changeset
|
1596 @itemx ydatasource |
|
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David Bateman <dbateman@free.fr>
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changeset
|
1597 Data source variables. |
|
8056
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1598 @end table |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1599 |
|
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Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
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|
1600 @node Bar series |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
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|
1601 @subsubsection Bar series |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1602 |
|
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Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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|
1603 Bar series objects are created by the @code{bar} or @code{barh} |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1604 functions. Each @code{hgrroup} element contains a single patch object. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
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|
1605 The properties of the bar series are |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1606 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1607 @table @code |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1608 @item showbaseline |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1609 @itemx baseline |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1610 @itemx basevalue |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1611 The property @code{showbaseline} flags whether the baseline of the bar |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1612 series is displayed (default is "on"). The handle of the graphics object |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1613 representing the baseline is given by the @code{baseline} property and |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1614 the y-value of the baseline by the @code{basevalue} property. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1615 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1616 Changes to any of these property are propagated to the other members of |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1617 the bar series and to the baseline itself. Equally changes in the |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1618 properties of the base line itself are propagated to the members of the |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1619 corresponding bar series. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1620 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1621 @item barwidth |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1622 @itemx barlayout |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1623 @itemx horizontal |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1624 The property @code{barwidth} is the width of the bar corresponding to |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1625 the @var{width} variable passed to @code{bar} or @var{barh}. Whether the |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1626 bar series is "grouped" or "stacked" is determined by the |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1627 @code{barlayout} property and whether the bars are horizontal or |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1628 vertical by the @code{horizontal} property. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1629 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1630 Changes to any of these property are propagated to the other members of |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1631 the bar series. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1632 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1633 @item linewidth |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1634 @itemx linestyle |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1635 The line width and style of the edge of the patch objects making up the |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1636 bars. @xref{Line Styles}. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1637 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1638 @item edgecolor |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1639 @itemx facecolor |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1640 The line and fill color of the patch objects making up the bars. @xref{Colors}. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1641 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1642 @item xdata |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1643 The nominal x positions of the bars. Changes in this property and |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1644 propagated to the other members of the bar series. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1645 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1646 @item ydata |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1647 The y value of the bars in the @code{hggroup}. |
|
8070
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David Bateman <dbateman@free.fr>
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|
1648 |
|
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David Bateman <dbateman@free.fr>
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diff
changeset
|
1649 @item xdatasource |
|
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David Bateman <dbateman@free.fr>
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diff
changeset
|
1650 @itemx ydatasource |
|
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1651 Data source variables. |
|
8056
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1652 @end table |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1653 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1654 @node Contour groups |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1655 @subsubsection Contour groups |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1656 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1657 TO BE WRITTEN |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1658 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1659 @node Error bar series |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1660 @subsubsection Error bar series |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1661 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1662 TO BE WRITTEN |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1663 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1664 @node Line series |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1665 @subsubsection Line series |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1666 |
|
8070
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1667 line series objects are created by the @code{plot} and @code{plot3} |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1668 functions. Each @code{hggroup} element of the series contains a single |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1669 line object as a child representing the stair. The properties of the |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1670 line series are a one-to-one reflection of the children line object, and |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1671 so the line series is only useful for its ability to add data sources to |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1672 the group object. |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1673 |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1674 The properties of the line series are |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1675 |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1676 @table @code |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1677 @item color |
|
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1678 The RGB color or color name of the line objects of the stairs. @xref{Colors}. |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1679 |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1680 @item linewidth |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1681 @itemx linestyle |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1682 The line width and style of the line objects of the stairs. @xref{Line Styles}. |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1683 |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1684 @item marker |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1685 @itemx markeredgecolor |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1686 @itemx markerfacecolor |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1687 @itemx markersize |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
8057
diff
changeset
|
1688 The line and fill color of the markers on the stairs. @xref{Colors}. |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1689 |
|
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1690 @item xdata |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1691 @itemx ydata |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1692 @itemx zdata |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1693 The original x, y and z data of the stairs. |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1694 |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1695 @item xdatasource |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1696 @itemx ydatasource |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1697 @itemx zdatasource |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1698 Data source variables. |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1699 @end table |
|
8056
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1700 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1701 @node Quiver group |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1702 @subsubsection Quiver group |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1703 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1704 Quiver series objects are created by the @code{quiver} or @code{quiver3} |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1705 functions. Each @code{hggroup} element of the series contains three line |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1706 objects as children representing the body and head of the arrow, |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1707 together with a marker as the point of original of the arrows. The |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1708 properties of the quiver series are |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1709 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1710 @table @code |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1711 @item autoscale |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1712 @itemx autoscalefactor |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1713 Flag whether the length of the arrows is scaled or defined directly from |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1714 the @var{u}, @var{v} and @var{w} data. If the arrow length is falgged |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1715 as being scaled by the @code{autoscale} property, then the length of the |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1716 autoscaled arrow is controlled by the @code{autoscalefactor}. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1717 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1718 @item maxheadsize |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1719 This property controls the size of the head of the arrows in the quiver |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1720 series. The default value is 0.2. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1721 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1722 @item showarrowhead |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1723 Flag whether the arrow heads are displayed in the quiver plot. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1724 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1725 @item color |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1726 The RGB color or color name of the line objects of the quiver. @xref{Colors}. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1727 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1728 @item linewidth |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1729 @itemx linestyle |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1730 The line width and style of the line objects of the quiver. @xref{Line Styles}. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1731 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1732 @item marker |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1733 @itemx markerfacecolor |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1734 @itemx markersize |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1735 The line and fill color of the marker objects at the original of the |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1736 arrows. @xref{Colors}. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1737 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1738 @item xdata |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1739 @itemx ydata |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1740 @itemx zdata |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1741 The origins of the values of the vector field. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1742 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1743 @item udata |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1744 @itemx vdata |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1745 @itemx wdata |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1746 The values of the vector field to plot. |
|
8070
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Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
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diff
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|
1747 |
|
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David Bateman <dbateman@free.fr>
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changeset
|
1748 @item xdatasource |
|
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David Bateman <dbateman@free.fr>
parents:
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changeset
|
1749 @itemx ydatasource |
|
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David Bateman <dbateman@free.fr>
parents:
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changeset
|
1750 @itemx zdatasource |
|
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1751 @itemx udatasource |
|
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David Bateman <dbateman@free.fr>
parents:
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changeset
|
1752 @itemx vdatasource |
|
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David Bateman <dbateman@free.fr>
parents:
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changeset
|
1753 @itemx wdatasource |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1754 Data source variables. |
|
8056
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1755 @end table |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1756 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1757 @node Scatter group |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1758 @subsubsection Scatter group |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1759 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1760 TO BE WRITTEN |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1761 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1762 @node Stair group |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1763 @subsubsection Stair group |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1764 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1765 Stair series objects are created by the @code{stair} function. Each |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1766 @code{hggroup} element of the series contains a single line object as a |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1767 child representing the stair. The properties of the stair series are |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1768 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1769 @table @code |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1770 @item color |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1771 The RGB color or color name of the line objects of the stairs. @xref{Colors}. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1772 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1773 @item linewidth |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1774 @itemx linestyle |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1775 The line width and style of the line objects of the stairs. @xref{Line Styles}. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1776 |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1777 @item marker |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1778 @itemx markeredgecolor |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1779 @itemx markerfacecolor |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1780 @itemx markersize |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1781 The line and fill color of the markers on the stairs. @xref{Colors}. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1782 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1783 @item xdata |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1784 @itemx ydata |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1785 The original x and y data of the stairs. |
|
8070
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David Bateman <dbateman@free.fr>
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changeset
|
1786 |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
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changeset
|
1787 @item xdatasource |
|
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David Bateman <dbateman@free.fr>
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changeset
|
1788 @itemx ydatasource |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
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changeset
|
1789 Data source variables. |
|
8056
9a6f4713f765
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David Bateman <dbateman@free.fr>
parents:
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changeset
|
1790 @end table |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
parents:
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changeset
|
1791 |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1792 @node Surface group |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
parents:
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changeset
|
1793 @subsubsection Surface group |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1794 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1795 TO BE WRITTEN |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1796 |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1797 @node Graphics backends |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1798 @subsection Graphics backends |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
parents:
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changeset
|
1799 |
|
8070
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changeset
|
1800 @DOCSTRING(backends) |
|
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David Bateman <dbateman@free.fr>
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changeset
|
1801 |
|
8056
9a6f4713f765
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David Bateman <dbateman@free.fr>
parents:
8055
diff
changeset
|
1802 @DOCSTRING(available_backends) |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
8055
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changeset
|
1803 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1804 @menu |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1805 * Interaction with gnuplot:: |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1806 @end menu |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
parents:
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changeset
|
1807 |
| 4167 | 1808 @node Interaction with gnuplot |
|
8056
9a6f4713f765
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David Bateman <dbateman@free.fr>
parents:
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changeset
|
1809 @subsubsection Interaction with @code{gnuplot} |
| 3428 | 1810 |
| 1811 @DOCSTRING(gnuplot_binary) | |
| 1812 | |
| 6331 | 1813 @DOCSTRING(gnuplot_use_title_option) |
|
8056
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David Bateman <dbateman@free.fr>
parents:
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changeset
|
1814 |