Mercurial > hg > octave-nkf
annotate doc/interpreter/plot.txi @ 8071:b6e85fb238c1
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| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Thu, 28 Aug 2008 15:08:43 -0400 |
| parents | 3b53b25e2550 |
| children | 8468140fd997 |
| rev | line source |
|---|---|
| 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 | |
| 8071 | 457 @cindex root figure graphics object |
| 458 @cindex graphics object, root figure | |
| 6888 | 459 The parent of all figure objects. The index for the root figure is |
| 460 defined to be 0. | |
| 461 | |
| 462 @item figure | |
| 8071 | 463 @cindex figure graphics object |
| 464 @cindex graphics object, figure | |
| 6888 | 465 A figure window. |
| 466 | |
| 467 @item axes | |
| 8071 | 468 @cindex axes graphics object |
| 469 @cindex graphics object, axes | |
| 6888 | 470 An set of axes. This object is a child of a figure object and may be a |
| 471 parent of line, text, image, patch, or surface objects. | |
| 472 | |
| 473 @item line | |
| 8071 | 474 @cindex line graphics object |
| 475 @cindex graphics object, line | |
| 6888 | 476 A line in two or three dimensions. |
| 477 | |
| 478 @item text | |
| 8071 | 479 @cindex text graphics object |
| 480 @cindex graphics object, text | |
| 6888 | 481 Text annotations. |
| 482 | |
| 483 @item image | |
| 8071 | 484 @cindex image graphics object |
| 485 @cindex graphics object, image | |
| 6888 | 486 A bitmap image. |
| 487 | |
| 488 @item patch | |
| 8071 | 489 @cindex patch graphics object |
| 490 @cindex graphics object, patch | |
| 6888 | 491 A filled polygon, currently limited to two dimensions. |
| 492 | |
| 493 @item surface | |
| 8071 | 494 @cindex surface graphics object |
| 495 @cindex graphics object, surface | |
| 6888 | 496 A three-dimensional surface. |
| 497 @end table | |
| 498 | |
| 499 To determine whether an object is a graphics object index or a figure | |
| 500 index, use the functions @code{ishandle} and @code{isfigure}. | |
| 501 | |
| 502 @DOCSTRING(ishandle) | |
| 503 | |
| 504 @DOCSTRING(isfigure) | |
| 505 | |
| 506 The function @code{gcf} returns an index to the current figure object, | |
| 507 or creates one if none exists. Similarly, @code{gca} returns the | |
| 508 current axes object, or creates one (and its parent figure object) if | |
| 509 none exists. | |
| 510 | |
| 511 @DOCSTRING(gcf) | |
| 512 | |
| 513 @DOCSTRING(gca) | |
| 514 | |
| 515 The @code{get} and @code{set} functions may be used to examine and set | |
| 516 properties for graphics objects. For example, | |
| 517 | |
| 518 @example | |
| 519 @group | |
| 520 get (0) | |
| 521 @result{} ans = | |
| 522 @{ | |
| 523 type = root figure | |
| 524 currentfigure = [](0x0) | |
| 525 children = [](0x0) | |
| 526 visible = on | |
| 527 @} | |
| 528 @end group | |
| 529 @end example | |
| 530 | |
| 531 @noindent | |
| 532 returns a structure containing all the properties of the root figure. | |
| 533 As with all functions in Octave, the structure is returned by value, so | |
| 534 modifying it will not modify the internal root figure plot object. To | |
| 535 do that, you must use the @code{set} function. Also, note that in this | |
| 536 case, the @code{currentfigure} property is empty, which indicates that | |
| 537 there is no current figure window. | |
| 538 | |
| 539 The @code{get} function may also be used to find the value of a single | |
| 540 property. For example, | |
| 541 | |
| 542 @example | |
| 543 @group | |
| 544 get (gca (), "xlim") | |
| 545 @result{} [ 0 1 ] | |
| 546 @end group | |
| 547 @end example | |
| 548 | |
| 549 @noindent | |
| 550 returns the range of the x-axis for the current axes object in the | |
| 551 current figure. | |
| 552 | |
| 553 To set graphics object properties, use the set function. For example, | |
| 554 | |
| 555 @example | |
| 556 set (gca (), "xlim", [-10, 10]); | |
| 557 @end example | |
| 558 | |
| 559 @noindent | |
| 560 sets the range of the x-axis for the current axes object in the current | |
| 561 figure to @samp{[-10, 10]}. Additionally, calling set with a graphics | |
| 562 object index as the only argument returns a structure containing the | |
| 563 default values for all the properties for the given object type. For | |
| 564 example, | |
| 565 | |
| 566 @example | |
| 567 set (gca ()) | |
| 568 @end example | |
| 569 | |
| 570 @noindent | |
| 571 returns a structure containing the default property values for axes | |
| 572 objects. | |
| 573 | |
| 574 @DOCSTRING(get) | |
| 575 | |
| 576 @DOCSTRING(set) | |
| 577 | |
| 578 @DOCSTRING(ancestor) | |
| 579 | |
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580 @DOCSTRING(allchild) |
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581 |
| 6888 | 582 You can create axes, line, and patch objects directly using the |
| 583 @code{axes}, @code{line}, and @code{patch} functions. These objects | |
| 584 become children of the current axes object. | |
| 585 | |
| 586 @DOCSTRING(axes) | |
| 587 | |
| 588 @DOCSTRING(line) | |
| 589 | |
| 590 @DOCSTRING(patch) | |
| 591 | |
| 7120 | 592 @DOCSTRING(surface) |
| 593 | |
| 6888 | 594 By default, Octave refreshes the plot window when a prompt is printed, |
| 595 or when waiting for input. To force an update at other times, call the | |
| 596 @code{drawnow} function. | |
| 597 | |
| 598 @DOCSTRING(drawnow) | |
| 599 | |
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600 Only figures that are modified will be updated. The @code{refresh} |
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601 function can also be to force an update of the current figure, even if |
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602 it is nor modified. |
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603 |
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604 @DOCSTRING(refresh) |
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605 |
| 6888 | 606 Normally, high-level plot functions like @code{plot} or @code{mesh} call |
| 607 @code{newplot} to initialize the state of the current axes so that the | |
| 608 next plot is drawn in a blank window with default property settings. To | |
| 609 have two plots superimposed over one another, call the @code{hold} | |
| 610 function. For example, | |
| 611 | |
| 612 @example | |
| 613 @group | |
| 614 hold ("on"); | |
| 615 x = -10:0.1:10; | |
| 616 plot (x, sin (x)); | |
| 617 plot (x, cos (x)); | |
| 618 hold ("off"); | |
| 619 @end group | |
| 620 @end example | |
| 621 | |
| 622 @noindent | |
| 623 displays sine and cosine waves on the same axes. If the hold state is | |
| 624 off, consecutive plotting commands like this will only display the last | |
| 625 plot. | |
| 626 | |
| 627 @DOCSTRING(newplot) | |
| 628 | |
| 629 @DOCSTRING(hold) | |
| 630 | |
| 631 @DOCSTRING(ishold) | |
| 632 | |
| 633 To clear the current figure, call the @code{clf} function. To bring it | |
| 634 to the top of the window stack, call the @code{shg} function. To delete | |
| 635 a graphics object, call @code{delete} on its index. To close the | |
| 636 figure window, call the @code{close} function. | |
| 637 | |
| 638 @DOCSTRING(clf) | |
| 639 | |
| 640 @DOCSTRING(shg) | |
| 641 | |
| 642 @DOCSTRING(delete) | |
| 643 | |
| 644 @DOCSTRING(close) | |
| 645 | |
| 646 @DOCSTRING(closereq) | |
| 647 | |
| 648 @node Graphics Object Properties | |
| 649 @subsection Graphics Object Properties | |
| 650 @cindex graphics object properties | |
| 651 | |
| 652 @menu | |
| 653 * Root Figure Properties:: | |
| 6889 | 654 * Figure Properties:: |
| 6888 | 655 * Axes Properties:: |
| 656 * Line Properties:: | |
| 657 * Text Properties:: | |
| 658 * Image Properties:: | |
| 659 * Patch Properties:: | |
| 660 * Surface Properties:: | |
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661 * Searching Properties:: |
| 6888 | 662 @end menu |
| 663 | |
| 664 @node Root Figure Properties | |
| 665 @subsubsection Root Figure Properties | |
| 666 | |
| 667 @table @code | |
| 668 @item currentfigure | |
| 6889 | 669 Index to graphics object for the current figure. |
| 670 | |
| 671 @c FIXME -- does this work? | |
| 672 @c @item visible | |
| 673 @c Either @code{"on"} or @code{"off"} to toggle display of figures. | |
| 6888 | 674 @end table |
| 675 | |
| 6889 | 676 @node Figure Properties |
| 677 @subsubsection Figure Properties | |
| 8071 | 678 @cindex figure properties |
| 6888 | 679 |
| 680 @table @code | |
| 681 @item nextplot | |
| 6889 | 682 May be one of |
| 683 @table @code | |
| 684 @item "new" | |
| 685 @item "add" | |
| 686 @item "replace" | |
| 687 @item "replacechildren" | |
| 688 @end table | |
| 689 | |
| 6888 | 690 @item closerequestfcn |
| 6889 | 691 Handle of function to call when a figure is closed. |
| 692 | |
| 6888 | 693 @item currentaxes |
| 6889 | 694 Index to graphics object of current axes. |
| 695 | |
| 6888 | 696 @item colormap |
| 6889 | 697 An N-by-3 matrix containing the color map for the current axes. |
| 698 | |
| 6888 | 699 @item visible |
| 6889 | 700 Either @code{"on"} or @code{"off"} to toggle display of the figure. |
| 701 | |
| 6888 | 702 @item paperorientation |
| 6889 | 703 Indicates the orientation for printing. Either @code{"landscape"} or |
| 704 @code{"portrait"}. | |
| 6888 | 705 @end table |
| 706 | |
| 707 @node Axes Properties | |
| 708 @subsubsection Axes Properties | |
| 8071 | 709 @cindex axes properties |
| 6888 | 710 |
| 711 @table @code | |
| 712 @item position | |
| 8071 | 713 A vector specifying the position of the plot, excluding titles, axes and |
| 714 legend. The four elements of the vector are the coordinates of the | |
| 715 lower left corner and width and height of the plot, in units normalized | |
| 716 to the width and height of the plot window. For example, @code{[0.2, | |
| 717 0.3, 0.4, 0.5]} sets the lower left corner of the axes at @math{(0.2, | |
| 718 0.3)} and the width and height to be 0.4 and 0.5 respectively. See also | |
| 719 the @code{outerposition} property. | |
| 6889 | 720 |
| 6888 | 721 @item title |
| 6889 | 722 Index of text object for the axes title. |
| 723 | |
| 6888 | 724 @item box |
| 6889 | 725 Either @code{"on"} or @code{"off"} to toggle display of the box around |
| 726 the axes. | |
| 727 | |
| 6888 | 728 @item key |
| 6889 | 729 Either @code{"on"} or @code{"off"} to toggle display of the legend. |
| 730 Note that this property is not compatible with @sc{Matlab} and may be | |
| 731 removed in a future version of Octave. | |
| 732 | |
| 6888 | 733 @item keybox |
| 6889 | 734 Either @code{"on"} or @code{"off"} to toggle display of a box around the |
| 735 legend. Note that this property is not compatible with @sc{Matlab} and | |
| 736 may be removed in a future version of Octave. | |
| 737 | |
| 6888 | 738 @item keypos |
| 6889 | 739 An integer from 1 to 4 specifying the position of the legend. 1 |
| 740 indicates upper right corner, 2 indicates upper left, 3 indicates lower | |
| 741 left, and 4 indicates lower right. Note that this property is not | |
| 742 compatible with @sc{Matlab} and may be removed in a future version of | |
| 743 Octave. | |
| 744 | |
| 6888 | 745 @item dataaspectratio |
| 6889 | 746 A two-element vector specifying the relative height and width of the |
| 747 data displayed in the axes. Setting @code{dataaspectratio} to @samp{1, | |
| 748 2]} causes the length of one unit as displayed on the y axis to be the | |
| 749 same as the length of 2 units on the x axis. Setting | |
| 750 @code{dataaspectratio} also forces the @code{dataaspectratiomode} | |
| 751 property to be set to @code{"manual"}. | |
| 752 | |
| 6888 | 753 @item dataaspectratiomode |
| 6889 | 754 Either @code{"manual"} or @code{"auto"}. |
| 755 | |
| 6888 | 756 @item xlim |
| 757 @itemx ylim | |
| 758 @itemx zlim | |
| 759 @itemx clim | |
| 6889 | 760 Two-element vectors defining the limits for the x, y, and z axes and the |
| 761 Setting one of these properties also forces the corresponding mode | |
| 762 property to be set to @code{"manual"}. | |
| 763 | |
| 6888 | 764 @item xlimmode |
| 765 @itemx ylimmode | |
| 766 @itemx zlimmode | |
| 767 @itemx climmode | |
| 6889 | 768 Either @code{"manual"} or @code{"auto"}. |
| 769 | |
| 6888 | 770 @item xlabel |
| 771 @itemx ylabel | |
| 772 @itemx zlabel | |
| 6889 | 773 Indices to text objects for the axes labels. |
| 774 | |
| 6888 | 775 @item xgrid |
| 776 @itemx ygrid | |
| 777 @itemx zgrid | |
| 6889 | 778 Either @code{"on"} or @code{"off"} to toggle display of grid lines. |
| 779 | |
| 6888 | 780 @item xminorgrid |
| 781 @itemx yminorgrid | |
| 782 @itemx zminorgrid | |
| 6889 | 783 Either @code{"on"} or @code{"off"} to toggle display of minor grid lines. |
| 784 | |
| 6888 | 785 @item xtick |
| 786 @itemx ytick | |
| 787 @itemx ztick | |
| 6889 | 788 Setting one of these properties also forces the corresponding mode |
| 789 property to be set to @code{"manual"}. | |
| 790 | |
| 6888 | 791 @item xtickmode |
| 792 @itemx ytickmode | |
| 793 @itemx ztickmode | |
| 6889 | 794 Either @code{"manual"} or @code{"auto"}. |
| 795 | |
| 6888 | 796 @item xticklabel |
| 797 @itemx yticklabel | |
| 798 @itemx zticklabel | |
| 6889 | 799 Setting one of these properties also forces the corresponding mode |
| 800 property to be set to @code{"manual"}. | |
| 801 | |
| 6888 | 802 @item xticklabelmode |
| 803 @itemx yticklabelmode | |
| 804 @itemx zticklabelmode | |
| 6889 | 805 Either @code{"manual"} or @code{"auto"}. |
| 806 | |
| 6888 | 807 @item xscale |
| 808 @itemx yscale | |
| 809 @itemx zscale | |
| 6889 | 810 Either @code{"linear"} or @code{"log"}. |
| 811 | |
| 6888 | 812 @item xdir |
| 813 @itemx ydir | |
| 814 @itemx zdir | |
| 6889 | 815 Either @code{"forward"} or @code{"reverse"}. |
| 816 | |
| 6888 | 817 @item xaxislocation |
| 818 @itemx yaxislocation | |
| 6889 | 819 Either @code{"top"} or @code{"bottom"} for the x axis and @code{"left"} |
| 820 or @code{"right"} for the y axis. | |
| 821 | |
| 6888 | 822 @item view |
| 6889 | 823 A three element vector specifying the view point for three-dimensional plots. |
| 824 | |
| 6888 | 825 @item visible |
| 6889 | 826 Either @code{"on"} or @code{"off"} to toggle display of the axes. |
| 827 | |
| 6888 | 828 @item nextplot |
| 6889 | 829 May be one of |
| 830 @table @code | |
| 831 @item "new" | |
| 832 @item "add" | |
| 833 @item "replace" | |
| 834 @item "replacechildren" | |
| 835 @end table | |
| 836 | |
| 6888 | 837 @item outerposition |
| 8071 | 838 A vector specifying the position of the plot, including titles, axes and |
| 839 legend. The four elements of the vector are the coordinates of the | |
| 840 lower left corner and width and height of the plot, in units normalized | |
| 841 to the width and height of the plot window. For example, @code{[0.2, | |
| 842 0.3, 0.4, 0.5]} sets the lower left corner of the axes at @math{(0.2, | |
| 843 0.3)} and the width and height to be 0.4 and 0.5 respectively. See also | |
| 844 the @code{position} property. | |
| 6888 | 845 @end table |
| 846 | |
| 847 @node Line Properties | |
| 848 @subsubsection Line Properties | |
| 8071 | 849 @cindex line properties |
| 6888 | 850 |
| 851 @table @code | |
| 852 @itemx xdata | |
| 853 @itemx ydata | |
| 854 @itemx zdata | |
| 855 @itemx ldata | |
| 856 @itemx udata | |
| 857 @itemx xldata | |
| 858 @itemx xudata | |
| 6889 | 859 The data to be plotted. The @code{ldata} and @code{udata} elements are |
| 860 for errobars in the y direction, and the @code{xldata} and @code{xudata} | |
| 861 elements are for errorbars in the x direction. | |
| 862 | |
| 6888 | 863 @item color |
| 6889 | 864 The RGB color of the line, or a color name. @xref{Colors}. |
| 865 | |
| 6888 | 866 @item linestyle |
| 6889 | 867 @itemx linewidth |
| 868 @xref{Line Styles}. | |
| 869 | |
| 6888 | 870 @item marker |
| 871 @item markeredgecolor | |
| 872 @item markerfacecolor | |
| 873 @item markersize | |
| 6889 | 874 @xref{Marker Styles}. |
| 875 | |
| 6888 | 876 @item keylabel |
| 6889 | 877 The text of the legend entry corresponding to this line. Note that this |
| 878 property is not compatible with @sc{Matlab} and may be removed in a | |
| 879 future version of Octave. | |
| 6888 | 880 @end table |
| 881 | |
| 882 @node Text Properties | |
| 883 @subsubsection Text Properties | |
| 8071 | 884 @cindex text properties |
| 6888 | 885 |
| 886 @table @code | |
| 887 @item string | |
| 6889 | 888 The character string contained by the text object. |
| 889 | |
| 6888 | 890 @item units |
| 6889 | 891 May be @code{"normalized"} or @code{"graph"}. |
| 892 | |
| 6888 | 893 @item position |
| 6889 | 894 The coordinates of the text object. |
| 895 | |
| 6888 | 896 @item rotation |
| 6889 | 897 The angle of rotation for the displayed text, measured in degrees. |
| 898 | |
| 6888 | 899 @item horizontalalignment |
| 6889 | 900 May be @code{"left"}, @code{"center"}, or @code{"right"}. |
| 901 | |
| 6888 | 902 @item color |
| 6889 | 903 The color of the text. @xref{Colors}. |
| 7189 | 904 |
| 905 @item fontname | |
| 906 The font used for the text. | |
| 907 | |
| 908 @item fontsize | |
| 909 The size of the font, in points to use. | |
| 910 | |
| 911 @item fontangle | |
| 912 Flag whether the font is italic or normal. Valid values are 'normal', | |
| 913 'italic' and 'oblique'. | |
| 914 | |
| 915 @item fontweight | |
| 916 Flag whether the font is bold, etc. Valid values are 'normal', 'bold', | |
| 917 'demi' or 'light'. | |
| 918 | |
| 919 @item interpreter | |
| 920 Determines how the text is rendered. Valid values are 'none', 'tex' or | |
| 921 'latex'. | |
| 6888 | 922 @end table |
| 923 | |
| 7189 | 924 All text objects, including titles, labels, legends, and text, include |
| 925 the property 'interpreter', this property determines the manner in which | |
| 926 special control sequences in the text are rendered. If the interpreter | |
| 927 is set to 'none', then no rendering occurs. At this point the 'latex' | |
| 928 option is not implemented and so the 'latex' interpreter also does not | |
| 929 interpret the text. | |
| 930 | |
| 931 The 'tex' option implements a subset of @sc{TeX} functionality in the | |
| 932 rendering of the text. This allows the insertion of special characters | |
| 933 such as Greek or mathematical symbols within the text. The special | |
| 934 characters are also inserted with a code starting with the back-slash | |
| 935 (\) character, as in the table @ref{tab:extended}. | |
| 936 | |
| 937 In addition, the formating of the text can be changed within the string | |
| 938 with the codes | |
| 939 | |
| 940 @multitable @columnfractions .2 .2 .6 .2 | |
| 941 @item @tab \bf @tab Bold font @tab | |
| 942 @item @tab \it @tab Italic font @tab | |
| 943 @item @tab \sl @tab Oblique Font @tab | |
| 944 @item @tab \rm @tab Normal font @tab | |
| 945 @end multitable | |
| 946 | |
| 947 These are be used in conjunction with the @{ and @} characters to limit | |
| 948 the change in the font to part of the string. For example | |
| 949 | |
| 950 @example | |
| 951 xlabel ('@{\bf H@} = a @{\bf V@}') | |
| 952 @end example | |
| 953 | |
| 954 where the character 'a' will not appear in a bold font. Note that to | |
| 955 avoid having Octave interpret the backslash characters in the strings, | |
| 956 the strings should be in single quotes. | |
| 957 | |
| 958 It is also possible to change the fontname and size within the text | |
| 959 | |
| 960 @multitable @columnfractions .1 .4 .6 .1 | |
| 961 @item @tab \fontname@{@var{fontname}@} @tab Specify the font to use @tab | |
| 962 @item @tab \fontsize@{@var{size}@} @tab Specify the size of the font to | |
| 963 use @tab | |
| 964 @end multitable | |
| 965 | |
| 966 Finally, the superscript and subscripting can be controlled with the '^' | |
| 967 and '_' characters. If the '^' or '_' is followed by a @{ character, | |
| 968 then all of the block surrounded by the @{ @} pair is super- or | |
| 969 sub-scripted. Without the @{ @} pair, only the character immediately | |
| 970 following the '^' or '_' is super- or sub-scripted. | |
| 971 | |
| 972 @float Table,tab:extended | |
| 973 @iftex | |
| 974 @tex | |
| 975 \vskip 6pt | |
| 976 {\hbox to \hsize {\hfill\vbox{\offinterlineskip \tabskip=0pt | |
| 977 \halign{ | |
| 978 \vrule height2.0ex depth1.ex width 0.6pt #\tabskip=0.3em & | |
| 979 # \hfil & \vrule # & # \hfil & # \vrule & | |
| 980 # \hfil & \vrule # & # \hfil & # \vrule & | |
| 981 # \hfil & \vrule # & # \hfil & # \vrule | |
| 982 width 0.6pt \tabskip=0pt\cr | |
| 983 \noalign{\hrule height 0.6pt} | |
| 984 & Code && Sym && Code && Sym && Code && Sym &\cr | |
| 985 \noalign{\hrule} | |
|
7608
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986 & $\backslash$forall && $\forall$ |
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987 && $\backslash$exists && $\exists$ |
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988 && $\backslash$ni && $\ni$ &\cr |
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989 & $\backslash$cong && $\cong$ |
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990 && $\backslash$Delta && $\Delta$ |
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991 && $\backslash$Phi && $\Phi$ &\cr |
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992 & $\backslash$Gamma && $\Gamma$ |
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993 && $\backslash$vartheta && $\vartheta$ |
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994 && $\backslash$Lambda && $\Lambda$ &\cr |
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995 & $\backslash$Pi && $\Pi$ |
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996 && $\backslash$Theta && $\Theta$ |
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997 && $\backslash$Sigma && $\Sigma$ &\cr |
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998 & $\backslash$varsigma && $\varsigma$ |
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999 && $\backslash$Omega && $\Omega$ |
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1000 && $\backslash$Xi && $\Xi$ &\cr |
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1001 & $\backslash$Psi && $\Psi$ |
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1002 && $\backslash$perp && $\perp$ |
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1003 && $\backslash$alpha && $\alpha$ &\cr |
|
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|
1004 & $\backslash$beta && $\beta$ |
|
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|
1005 && $\backslash$chi && $\chi$ |
|
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1006 && $\backslash$delta && $\delta$ &\cr |
|
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1007 & $\backslash$epsilon && $\epsilon$ |
|
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|
1008 && $\backslash$phi && $\phi$ |
|
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1009 && $\backslash$gamma && $\gamma$ &\cr |
|
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1010 & $\backslash$eta && $\eta$ |
|
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1011 && $\backslash$iota && $\iota$ |
|
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|
1012 && $\backslash$varphi && $\varphi$ &\cr |
|
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|
1013 & $\backslash$kappa && $\kappa$ |
|
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|
1014 && $\backslash$lambda && $\lambda$ |
|
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|
1015 && $\backslash$mu && $\mu$ &\cr |
|
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|
1016 & $\backslash$nu && $\nu$ |
|
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|
1017 && $\backslash$o && $\o$ |
|
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|
1018 && $\backslash$pi && $\pi$ &\cr |
|
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|
1019 & $\backslash$theta && $\theta$ |
|
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|
1020 && $\backslash$rho && $\rho$ |
|
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|
1021 && $\backslash$sigma && $\sigma$ &\cr |
|
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|
1022 & $\backslash$tau && $\tau$ |
|
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|
1023 && $\backslash$upsilon && $\upsilon$ |
|
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|
1024 && $\backslash$varpi && $\varpi$ &\cr |
|
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|
1025 & $\backslash$omega && $\omega$ |
|
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|
1026 && $\backslash$xi && $\xi$ |
|
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|
1027 && $\backslash$psi && $\psi$ &\cr |
|
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|
1028 & $\backslash$zeta && $\zeta$ |
|
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|
1029 && $\backslash$sim && $\sim$ |
|
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|
1030 && $\backslash$Upsilon && $\Upsilon$ &\cr |
|
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|
1031 & $\backslash$prime && $\prime$ |
|
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|
1032 && $\backslash$leq && $\leq$ |
|
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|
1033 && $\backslash$infty && $\infty$ &\cr |
|
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|
1034 & $\backslash$clubsuit && $\clubsuit$ |
|
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|
1035 && $\backslash$diamondsuit && $\diamondsuit$ |
|
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|
1036 && $\backslash$heartsuit && $\heartsuit$ &\cr |
|
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|
1037 & $\backslash$spadesuit && $\spadesuit$ |
|
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|
1038 && $\backslash$leftrightarrow && $\leftrightarrow$ |
|
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|
1039 && $\backslash$leftarrow && $\leftarrow$ &\cr |
|
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|
1040 & $\backslash$uparrow && $\uparrow$ |
|
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|
1041 && $\backslash$rightarrow && $\rightarrow$ |
|
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|
1042 && $\backslash$downarrow && $\downarrow$ &\cr |
|
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|
1043 & $\backslash$circ && $\circ$ |
|
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|
1044 && $\backslash$pm && $\pm$ |
|
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|
1045 && $\backslash$geq && $\geq$ &\cr |
|
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|
1046 & $\backslash$times && $\times$ |
|
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|
1047 && $\backslash$propto && $\propto$ |
|
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|
1048 && $\backslash$partial && $\partial$ &\cr |
|
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|
1049 & $\backslash$bullet && $\bullet$ |
|
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|
1050 && $\backslash$div && $\div$ |
|
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|
1051 && $\backslash$neq && $\neq$ &\cr |
|
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|
1052 & $\backslash$equiv && $\equiv$ |
|
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|
1053 && $\backslash$approx && $\approx$ |
|
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|
1054 && $\backslash$ldots && $\ldots$ &\cr |
|
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|
1055 & $\backslash$mid && $\mid$ |
|
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|
1056 && $\backslash$aleph && $\aleph$ |
|
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|
1057 && $\backslash$Im && $\Im$ &\cr |
|
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|
1058 & $\backslash$Re && $\Re$ |
|
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|
1059 && $\backslash$wp && $\wp$ |
|
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|
1060 && $\backslash$otimes && $\otimes$ &\cr |
|
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|
1061 & $\backslash$oplus && $\oplus$ |
|
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|
1062 && $\backslash$oslash && $\oslash$ |
|
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|
1063 && $\backslash$cap && $\cap$ &\cr |
|
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|
1064 & $\backslash$cup && $\cup$ |
|
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|
1065 && $\backslash$supset && $\supset$ |
|
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|
1066 && $\backslash$supseteq && $\supseteq$ &\cr |
|
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|
1067 & $\backslash$subset && $\subset$ |
|
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|
1068 && $\backslash$subseteq && $\subseteq$ |
|
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|
1069 && $\backslash$in && $\in$ &\cr |
|
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|
1070 & $\backslash$notin && $\notin$ |
|
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|
1071 && $\backslash$angle && $\angle$ |
|
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|
1072 && $\backslash$bigtriangledown && $\bigtriangledown$ &\cr |
|
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|
1073 & $\backslash$langle && $\langle$ |
|
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|
1074 && $\backslash$rangle && $\rangle$ |
|
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|
1075 && $\backslash$nabla && $\nabla$ &\cr |
|
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|
1076 & $\backslash$prod && $\prod$ |
|
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|
1077 && $\backslash$surd && $\surd$ |
|
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|
1078 && $\backslash$cdot && $\cdot$ &\cr |
|
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|
1079 & $\backslash$neg && $\neg$ |
|
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|
1080 && $\backslash$wedge && $\wedge$ |
|
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|
1081 && $\backslash$vee && $\vee$ &\cr |
|
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|
1082 & $\backslash$Leftrightarrow && $\Leftrightarrow$ |
|
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|
1083 && $\backslash$Leftarrow && $\Leftarrow$ |
|
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|
1084 && $\backslash$Uparrow && $\Uparrow$ &\cr |
|
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|
1085 & $\backslash$Rightarrow && $\Rightarrow$ |
|
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|
1086 && $\backslash$Downarrow && $\Downarrow$ |
|
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|
1087 && $\backslash$diamond && $\diamond$ &\cr |
|
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|
1088 & $\backslash$copyright && $\copyright$ |
|
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1089 && $\backslash$rfloor && $\rfloor$ |
|
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1090 && $\backslash$lceil && $\lceil$ &\cr |
|
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1091 & $\backslash$lfloor && $\lfloor$ |
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1092 && $\backslash$rceil && $\rceil$ |
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1093 && $\backslash$int && $\int$ &\cr |
| 7189 | 1094 \noalign{\hrule height 0.6pt} |
| 1095 }}\hfill}} | |
| 1096 @end tex | |
| 1097 @end iftex | |
| 1098 @ifnottex | |
| 1099 @multitable @columnfractions .125 .25 .25 .25 .125 | |
|
7608
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1100 @item @tab \forall @tab \exists @tab \ni @tab |
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1101 @item @tab \cong @tab \Delta @tab \Phi @tab |
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1102 @item @tab \Gamma @tab \vartheta @tab \Lambda @tab |
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1103 @item @tab \Pi @tab \Theta @tab \Sigma @tab |
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1104 @item @tab \varsigma @tab \Omega @tab \Xi @tab |
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1105 @item @tab \Psi @tab \perp @tab \alpha @tab |
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1106 @item @tab \beta @tab \chi @tab \delta @tab |
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1107 @item @tab \epsilon @tab \phi @tab \gamma @tab |
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1108 @item @tab \eta @tab \iota @tab \varphi @tab |
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1109 @item @tab \kappa @tab \lambda @tab \mu @tab |
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1110 @item @tab \nu @tab \o @tab \pi @tab |
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1111 @item @tab \theta @tab \rho @tab \sigma @tab |
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1112 @item @tab \tau @tab \upsilon @tab \varpi @tab |
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1113 @item @tab \omega @tab \xi @tab \psi @tab |
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1114 @item @tab \zeta @tab \sim @tab \Upsilon @tab |
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1115 @item @tab \prime @tab \leq @tab \infty @tab |
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1116 @item @tab \clubsuit @tab \diamondsuit @tab \heartsuit @tab |
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1117 @item @tab \spadesuit @tab \leftrightarrow @tab \leftarrow @tab |
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1118 @item @tab \uparrow @tab \rightarrow @tab \downarrow @tab |
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1119 @item @tab \circ @tab \pm @tab \geq @tab |
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1120 @item @tab \times @tab \propto @tab \partial @tab |
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1121 @item @tab \bullet @tab \div @tab \neq @tab |
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1122 @item @tab \equiv @tab \approx @tab \ldots @tab |
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1123 @item @tab \mid @tab \aleph @tab \Im @tab |
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1124 @item @tab \Re @tab \wp @tab \otimes @tab |
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1125 @item @tab \oplus @tab \oslash @tab \cap @tab |
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1126 @item @tab \cup @tab \supset @tab \supseteq @tab |
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1127 @item @tab \subset @tab \subseteq @tab \in @tab |
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1128 @item @tab \notin @tab \angle @tab \bigrightriangledown @tab |
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1129 @item @tab \langle @tab \rangle @tab \nabla @tab |
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1130 @item @tab \prod @tab \surd @tab \cdot @tab |
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1131 @item @tab \neg @tab \wedge @tab \vee @tab |
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1132 @item @tab \Leftrightarrow @tab \Leftarrow @tab \Uparrow @tab |
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1133 @item @tab \Rightarrow @tab \Downarrow @tab \diamond @tab |
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1134 @item @tab \copyright @tab \lfloor @tab \lceil @tab |
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|
1135 @item @tab \rfloor @tab \rceil @tab \int @tab |
| 7189 | 1136 @end multitable |
| 1137 @end ifnottex | |
| 1138 @caption{Available special characters in @sc{TeX} mode} | |
| 1139 @end float | |
| 1140 | |
| 1141 A complete example showing the capabilities of the extended text is | |
| 1142 | |
| 1143 @example | |
| 1144 @group | |
| 1145 x = 0:0.01:3; | |
| 1146 plot(x,erf(x)); | |
| 1147 hold on; | |
| 1148 plot(x,x,"r"); | |
| 1149 axis([0, 3, 0, 1]); | |
| 1150 text(0.65, 0.6175, strcat('\leftarrow x = @{2/\surd\pi', | |
| 1151 ' @{\fontsize@{16@}\int_@{\fontsize@{8@}0@}^@{\fontsize@{8@}x@}@}', | |
| 1152 ' e^@{-t^2@} dt@} = 0.6175')) | |
| 1153 @end group | |
| 1154 @end example | |
| 1155 | |
| 1156 @ifnotinfo | |
| 1157 @noindent | |
| 1158 The result of which can be seen in @ref{fig:extendedtext} | |
| 1159 | |
| 1160 @float Figure,fig:extendedtext | |
| 1161 @image{extended,8cm} | |
| 1162 @caption{Example of inclusion of text with the @sc{TeX} interpreter} | |
| 1163 @end float | |
| 1164 @end ifnotinfo | |
| 1165 | |
| 6888 | 1166 @node Image Properties |
| 1167 @subsubsection Image Properties | |
| 8071 | 1168 @cindex image properties |
| 6888 | 1169 |
| 1170 @table @code | |
| 1171 @item cdata | |
| 6889 | 1172 The data for the image. Each pixel of the image corresponds to an |
| 1173 element of @code{cdata}. The value of an element of @code{cdata} | |
| 1174 specifies the row-index into the colormap of the axes object containing | |
| 1175 the image. The color value found in the color map for the given index | |
| 1176 determines the color of the pixel. | |
| 1177 | |
| 1178 @item xdata | |
| 6888 | 1179 @itemx ydata |
| 7001 | 1180 Two-element vectors specifying the range of the x- and y- coordinates for |
| 6889 | 1181 the image. |
| 6888 | 1182 @end table |
| 1183 | |
| 1184 @node Patch Properties | |
| 1185 @subsubsection Patch Properties | |
| 8071 | 1186 @cindex patch properties |
| 6888 | 1187 |
| 1188 @table @code | |
| 1189 @item cdata | |
| 1190 @itemx xdata | |
| 1191 @itemx ydata | |
| 1192 @itemx zdata | |
| 6889 | 1193 Data defining the patch object. |
| 1194 | |
| 6888 | 1195 @item facecolor |
| 6889 | 1196 The fill color of the patch. @xref{Colors}. |
| 1197 | |
| 6888 | 1198 @item facealpha |
| 6889 | 1199 A number in the range [0, 1] indicating the transparency of the patch. |
| 1200 | |
| 6888 | 1201 @item edgecolor |
| 6889 | 1202 The color of the line defining the patch. @xref{Colors}. |
| 1203 | |
| 6888 | 1204 @item linestyle |
| 6889 | 1205 @itemx linewidth |
| 1206 @xref{Line Styles}. | |
| 1207 | |
| 6888 | 1208 @item marker |
| 6889 | 1209 @itemx markeredgecolor |
| 1210 @itemx markerfacecolor | |
| 1211 @itemx markersize | |
| 1212 @xref{Marker Styles}. | |
| 6888 | 1213 @end table |
| 1214 | |
| 1215 @node Surface Properties | |
| 1216 @subsubsection Surface Properties | |
| 8071 | 1217 @cindex surface properties |
| 6888 | 1218 |
| 1219 @table @code | |
| 1220 @item xdata | |
| 1221 @itemx ydata | |
| 1222 @itemx zdata | |
| 6889 | 1223 The data determining the surface. The @code{xdata} and @code{ydata} |
| 1224 elements are vectors and @code{zdata} must be a matrix. | |
| 1225 | |
| 6888 | 1226 @item keylabel |
| 6889 | 1227 The text of the legend entry corresponding to this surface. Note that |
| 1228 this property is not compatible with @sc{Matlab} and may be removed in a | |
| 1229 future version of Octave. | |
| 1230 @end table | |
| 1231 | |
|
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1232 @node Searching Properties |
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1233 @subsubsection Searching Properties |
|
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1234 |
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1235 @DOCSTRING(findobj) |
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1236 |
|
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|
1237 @DOCSTRING(findall) |
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|
1238 |
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|
1239 |
| 6891 | 1240 @node Managing Default Properties |
| 1241 @subsection Managing Default Properties | |
| 8071 | 1242 @cindex default graphics properties |
| 1243 @cindex graphics properties, default | |
| 6891 | 1244 |
| 6892 | 1245 Object properties have two classes of default values, @dfn{factory |
| 1246 defaults} (the initial values) and @dfn{user-defined defaults}, which | |
| 1247 may override the factory defaults. | |
| 6891 | 1248 |
| 1249 Although default values may be set for any object, they are set in | |
| 1250 parent objects and apply to child objects. For example, | |
| 1251 | |
| 1252 @example | |
| 1253 set (0, "defaultlinecolor", "green"); | |
| 1254 @end example | |
| 1255 | |
| 1256 @noindent | |
| 1257 sets the default line color for all objects. The rule for constructing | |
| 1258 the property name to set a default value is | |
| 1259 | |
| 1260 @example | |
| 1261 default + @var{object-type} + @var{property-name} | |
| 1262 @end example | |
| 1263 | |
| 1264 This rule can lead to some strange looking names, for example | |
| 1265 @code{defaultlinelinewidth"} specifies the default @code{linewidth} | |
| 1266 property for @code{line} objects. | |
| 1267 | |
| 1268 The example above used the root figure object, 0, so the default | |
| 1269 property value will apply to all line objects. However, default values | |
| 1270 are hierarchical, so defaults set in a figure objects override those | |
| 1271 set in the root figure object. Likewise, defaults set in axes objects | |
| 1272 override those set in figure or root figure objects. For example, | |
| 1273 | |
| 1274 @example | |
| 1275 @group | |
| 1276 subplot (2, 1, 1); | |
| 1277 set (0, "defaultlinecolor", "red"); | |
| 1278 set (1, "defaultlinecolor", "green"); | |
| 1279 set (gca (), "defaultlinecolor", "blue"); | |
| 1280 line (1:10, rand (1, 10)); | |
| 1281 subplot (2, 1, 2); | |
| 1282 line (1:10, rand (1, 10)); | |
| 1283 figure (2) | |
| 1284 line (1:10, rand (1, 10)); | |
| 1285 @end group | |
| 1286 @end example | |
| 1287 | |
| 1288 @noindent | |
| 1289 produces two figures. The line in first subplot window of the first | |
| 1290 figure is blue because it inherits its color from its parent axes | |
| 1291 object. The line in the second subplot window of the first figure is | |
| 1292 green because it inherits its color from its parent figure object. The | |
| 1293 line in the second figure window is red because it inherits its color | |
| 1294 from the global root figure parent object. | |
| 1295 | |
| 1296 To remove a user-defined default setting, set the default property to | |
| 1297 the value @code{"remove"}. For example, | |
| 1298 | |
| 1299 @example | |
| 1300 set (gca (), "defaultlinecolor", "remove"); | |
| 1301 @end example | |
| 1302 | |
| 1303 @noindent | |
| 1304 removes the user-defined default line color setting from the current axes | |
| 1305 object. | |
| 1306 | |
| 1307 Getting the @code{"default"} property of an object returns a list of | |
| 1308 user-defined defaults set for the object. For example, | |
| 1309 | |
| 1310 @example | |
| 1311 get (gca (), "default"); | |
| 1312 @end example | |
| 1313 | |
| 1314 @noindent | |
| 1315 returns a list of user-defined default values for the current axes | |
| 1316 object. | |
| 1317 | |
| 1318 Factory default values are stored in the root figure object. The | |
| 1319 command | |
| 1320 | |
| 1321 @example | |
| 1322 get (0, "factory"); | |
| 1323 @end example | |
| 1324 | |
| 1325 @noindent | |
| 1326 returns a list of factory defaults. | |
| 1327 | |
| 6889 | 1328 @node Colors |
| 1329 @subsection Colors | |
| 8071 | 1330 @cindex graphics colors |
| 1331 @cindex colors, graphics | |
| 6889 | 1332 |
| 1333 Colors may be specified as RGB triplets with values ranging from zero to | |
| 1334 one, or by name. Recognized color names include @code{"blue"}, | |
| 1335 @code{"black"}, @code{"cyan"}, @code{"green"}, @code{"magenta"}, | |
| 1336 @code{"red"}, @code{"white"}, and @code{"yellow"}. | |
| 1337 | |
| 1338 @node Line Styles | |
| 1339 @subsection Line Styles | |
| 8071 | 1340 @cindex line styles, graphics |
| 1341 @cindex graphics line styles | |
| 1342 | |
| 7001 | 1343 Line styles are specified by the following properties: |
| 6889 | 1344 |
| 1345 @table @code | |
| 1346 @item linestyle | |
| 1347 May be one of | |
| 1348 @table @code | |
| 1349 @item "-" | |
| 1350 Solid lines. | |
| 1351 @item "--" | |
| 1352 Dashed lines. | |
| 1353 @item ":" | |
| 1354 Points. | |
| 1355 @item "-." | |
| 1356 A dash-dot line. | |
| 1357 @end table | |
| 1358 | |
| 1359 @item linewidth | |
| 1360 A number specifying the width of the line. The default is 1. A value | |
| 1361 of 2 is twice as wide as the default, etc. | |
| 1362 @end table | |
| 1363 | |
| 1364 @node Marker Styles | |
| 1365 @subsection Marker Styles | |
| 8071 | 1366 @cindex graphics marker styles |
| 1367 @cindex marker styles, graphics | |
| 1368 | |
| 7001 | 1369 Marker styles are specified by the following properties: |
| 6889 | 1370 @table @code |
| 1371 @item marker | |
| 1372 A character indicating a plot marker to be place at each data point, or | |
| 1373 @code{"none"}, meaning no markers should be displayed. | |
| 1374 | |
| 1375 @itemx markeredgecolor | |
| 1376 The color of the edge around the marker, or @code{"auto"}, meaning that | |
| 1377 the edge color is the same as the face color. @xref{Colors}. | |
| 1378 | |
| 1379 @itemx markerfacecolor | |
| 1380 The color of the marker, or @code{"none"} to indicate that the marker | |
| 1381 should not be filled. @xref{Colors}. | |
| 1382 | |
| 1383 @itemx markersize | |
| 1384 A number specifying the size of the marker. The default is 1. A value | |
| 1385 of 2 is twice as large as the default, etc. | |
| 6888 | 1386 @end table |
| 1387 | |
|
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1388 @node Callbacks |
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1389 @subsection Callbacks |
| 8071 | 1390 @cindex callbacks |
|
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1391 |
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1392 Callback functions can be associated with graphics objects and triggered |
|
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1393 after certain events occur. The basic structure of all callback function |
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1394 is |
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1395 |
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|
1396 @example |
|
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1397 @group |
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1398 function mycallback (src, data) |
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1399 @dots{} |
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1400 endfunction |
|
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1401 @end group |
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1402 @end example |
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1403 |
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1404 where @code{src} gives a handle to the source of the callback, and |
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1405 @code{code} gives some event specific data. This can then be associated |
|
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1406 with an object either at the objects creation or later with the |
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1407 @code{set} function. For example |
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1408 |
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1409 @example |
|
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1410 plot (x, "DeleteFcn", @@(s, e) disp("Window Deleted")) |
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1411 @end example |
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1412 |
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1413 @noindent |
|
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1414 where at the moment that the plot is deleted, the message "Window |
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1415 Deleted" will be displayed. |
|
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1416 |
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1417 Additional user arguments can be passed to callback functions, and will |
|
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1418 be passed after the 2 default arguments. For example |
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1419 |
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1420 @example |
| 8057 | 1421 plot (x, "DeleteFcn", @{@@mycallback, "1"@}) |
|
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1422 @dots{} |
| 8057 | 1423 function mycallback (src, data, a1) |
|
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1424 fprintf ("Closing plot %d\n", a1); |
|
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1425 endfunction |
|
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1426 @end example |
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1427 |
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1428 The basic callback functions that are available for all graphics objects |
|
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1429 are |
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1430 |
|
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1431 @itemize @bullet |
|
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1432 @item CreateFcn |
|
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1433 This is the callback that is called at the moment of the objects |
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David Bateman <dbateman@free.fr>
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1434 creation. It is not called if the object is altered in any way, and so |
|
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David Bateman <dbateman@free.fr>
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1435 it only makes sense to define this callback in the function call that |
|
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David Bateman <dbateman@free.fr>
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1436 defines the object. Callbacks that are added to @code{CreateFcn} later with |
|
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David Bateman <dbateman@free.fr>
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1437 the @code{set} function will never be executed. |
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David Bateman <dbateman@free.fr>
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1438 |
|
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David Bateman <dbateman@free.fr>
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1439 @item DeleteFcn |
|
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David Bateman <dbateman@free.fr>
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1440 This is the callback that is called at the moment an object is deleted. |
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1441 |
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1442 @item ButtonDownFcn |
|
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1443 This is the callback that is called if a mouse button is pressed while |
|
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1444 the pointer is over this object. Note, that the gnuplot interface does |
|
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1445 not respect this callback. |
|
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David Bateman <dbateman@free.fr>
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1446 @end itemize |
|
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David Bateman <dbateman@free.fr>
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1447 |
|
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David Bateman <dbateman@free.fr>
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1448 The object and figure that the event occurred in that resulted in the |
|
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David Bateman <dbateman@free.fr>
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1449 callback being called can be found with the @code{gcbo} and @code{gcbf} |
|
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David Bateman <dbateman@free.fr>
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1450 functions. |
|
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David Bateman <dbateman@free.fr>
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1451 |
|
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1452 @DOCSTRING(gcbo) |
|
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1453 |
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1454 @DOCSTRING(gcbf) |
|
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1455 |
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|
1456 Callbacks can equally be added to properties with the @code{addlistener} |
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1457 function described below. |
|
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1458 |
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1459 @node Object Groups |
|
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David Bateman <dbateman@free.fr>
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1460 @subsection Object Groups |
| 8071 | 1461 @cindex object groups |
|
8056
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1462 |
|
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David Bateman <dbateman@free.fr>
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1463 A number of Octave high level plot functions return groups of other |
|
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1464 graphics objects or they return graphics objects that are have their |
|
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David Bateman <dbateman@free.fr>
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1465 properties linked in such a way that changes to one of the properties |
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1466 results in changes in the others. A graphic object that groups other |
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1467 objects is an @code{hggroup} |
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1468 |
|
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1469 @DOCSTRING(hggroup) |
|
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1470 |
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1471 For example a simple use of a @code{hggroup} might be |
|
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1472 |
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1473 @example |
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1474 @group |
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1475 x = 0:0.1:10; |
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1476 hg = hggroup (); |
|
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1477 plot (x, sin (x), "color", [1, 0, 0], "parent", hg); |
|
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1478 hold on |
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1479 plot (x, cos (x), "color", [0, 1, 0], "parent", hg); |
|
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1480 set (hg, "visible", "off"); |
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1481 @end group |
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David Bateman <dbateman@free.fr>
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1482 @end example |
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1483 |
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1484 @noindent |
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1485 which groups the two plots into a single object and contols their |
|
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1486 visiblity directly. The default properties of an @code{hggroup} are |
|
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1487 the same as the set of common properties for the other graphics |
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1488 objects. Additional properties can be added with the @code{addproperty} |
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1489 function. |
|
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1490 |
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1491 @DOCSTRING(addproperty) |
|
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1492 |
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|
1493 Once a property in added to an @code{hggroup}, it is not linked to any |
|
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1494 other property of either the children of the group, or any other |
|
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1495 graphics object. Add so to control the way in which this newly added |
|
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1496 property is used, the @code{addlistener} function is used to define a |
|
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1497 callback function that is executed when the property is altered. |
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1498 |
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|
1499 @DOCSTRING(addlistener) |
|
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1500 |
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|
1501 An example of the use of these two functions might be |
|
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1502 |
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|
1503 @example |
|
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1504 @group |
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1505 x = 0:0.1:10; |
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|
1506 hg = hggroup (); |
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1507 h = plot (x, sin (x), "color", [1, 0, 0], "parent", hg); |
|
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1508 addproperty ("linestyle", hg, "linelinestyle", get (h, "linestyle")); |
|
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|
1509 addlistener (hg, "linestyle", @@update_props); |
|
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|
1510 hold on |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
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changeset
|
1511 plot (x, cos (x), "color", [0, 1, 0], "parent", hg); |
|
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|
1512 |
|
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David Bateman <dbateman@free.fr>
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|
1513 function update_props (h, d) |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
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|
1514 set (get (h, "children"), "linestyle", get (h, "linestyle")); |
|
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David Bateman <dbateman@free.fr>
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|
1515 endfunction |
|
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David Bateman <dbateman@free.fr>
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|
1516 @end group |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
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|
1517 @end example |
|
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David Bateman <dbateman@free.fr>
parents:
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|
1518 |
|
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David Bateman <dbateman@free.fr>
parents:
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changeset
|
1519 @noindent |
|
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Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
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|
1520 that adds a @code{linestyle} property to the @code{hggroup} and |
|
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|
1521 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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|
1522 @code{linkprop} function can be used to simplify the above to be |
|
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|
1523 |
|
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|
1524 @example |
|
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|
1525 @group |
|
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|
1526 x = 0:0.1:10; |
|
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|
1527 hg = hggroup (); |
|
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1528 h1 = plot (x, sin (x), "color", [1, 0, 0], "parent", hg); |
|
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1529 addproperty ("linestyle", hg, "linelinestyle", get (h, "linestyle")); |
|
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changeset
|
1530 hold on |
|
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|
1531 h2 = plot (x, cos (x), "color", [0, 1, 0], "parent", hg); |
|
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|
1532 hlink = linkprop ([hg, h1, h2], "color"); |
|
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|
1533 @end group |
|
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changeset
|
1534 @end example |
|
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changeset
|
1535 |
|
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|
1536 @DOCSTRING(linkprop) |
|
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David Bateman <dbateman@free.fr>
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1537 |
|
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Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
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changeset
|
1538 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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|
1539 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>
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|
1540 one or more graphics object and are used to: |
|
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David Bateman <dbateman@free.fr>
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|
1541 |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
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changeset
|
1542 @itemize @bullet |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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|
1543 @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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|
1544 @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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|
1545 @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>
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changeset
|
1546 @end itemize |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
parents:
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changeset
|
1547 |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
parents:
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|
1548 @noindent |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1549 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
|
1550 @code{hggroup} of the stem series contains two line objects representing |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1551 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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changeset
|
1552 @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
|
1553 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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|
1554 example |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1555 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1556 @example |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1557 @group |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1558 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
|
1559 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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|
1560 @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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|
1561 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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|
1562 @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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|
1563 @end group |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
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changeset
|
1564 @end example |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
parents:
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changeset
|
1565 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1566 @noindent |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1567 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
|
1568 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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changeset
|
1569 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1570 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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changeset
|
1571 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
|
1572 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
|
1573 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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|
1574 member. |
|
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 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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changeset
|
1577 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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changeset
|
1578 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>
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changeset
|
1579 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>
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changeset
|
1580 corresponding hggroup elements. |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
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|
1581 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
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changeset
|
1582 @menu |
|
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|
1583 * Data sources in object groups:: |
|
8056
9a6f4713f765
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David Bateman <dbateman@free.fr>
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|
1584 * Area series:: |
|
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David Bateman <dbateman@free.fr>
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|
1585 * Bar series:: |
|
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David Bateman <dbateman@free.fr>
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|
1586 * Contour groups:: |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1587 * Error bar series:: |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
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|
1588 * Line series:: |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
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|
1589 * Quiver group:: |
|
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David Bateman <dbateman@free.fr>
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|
1590 * Scatter group:: |
|
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David Bateman <dbateman@free.fr>
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|
1591 * Stair group:: |
|
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David Bateman <dbateman@free.fr>
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changeset
|
1592 * Stem Series:: |
|
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David Bateman <dbateman@free.fr>
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|
1593 * Surface group:: |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
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changeset
|
1594 @end menu |
|
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David Bateman <dbateman@free.fr>
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changeset
|
1595 |
|
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|
1596 @node Data sources in object groups |
|
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|
1597 @subsubsection Data sources in object groups |
| 8071 | 1598 @cindex data sources in object groups |
|
8070
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changeset
|
1599 |
|
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|
1600 All of the group objects contain data source parameters. There are |
|
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David Bateman <dbateman@free.fr>
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changeset
|
1601 string parameters that contain an expression that is evaluated to update |
|
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David Bateman <dbateman@free.fr>
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|
1602 the relevant data property of the group when the @code{refreshdata} |
|
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David Bateman <dbateman@free.fr>
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|
1603 function is called. |
|
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changeset
|
1604 |
|
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|
1605 @DOCSTRING(refreshdata) |
|
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|
1606 |
|
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David Bateman <dbateman@free.fr>
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|
1607 @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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|
1608 |
|
8056
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David Bateman <dbateman@free.fr>
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|
1609 @node Area series |
|
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David Bateman <dbateman@free.fr>
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|
1610 @subsubsection Area series |
| 8071 | 1611 @cindex series objects |
| 1612 @cindex area series | |
|
8056
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David Bateman <dbateman@free.fr>
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|
1613 |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
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changeset
|
1614 Area series objects are created by the @code{area} function. Each of the |
|
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David Bateman <dbateman@free.fr>
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changeset
|
1615 @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>
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changeset
|
1616 of the area series are |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
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changeset
|
1617 |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
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changeset
|
1618 @table @code |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
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changeset
|
1619 @item basevalue |
|
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David Bateman <dbateman@free.fr>
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changeset
|
1620 The value where the base of the area plot is drawn. |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
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changeset
|
1621 |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
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changeset
|
1622 @item linewidth |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
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changeset
|
1623 @itemx linestyle |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
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changeset
|
1624 The line width and style of the edge of the patch objects making up the |
|
9a6f4713f765
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David Bateman <dbateman@free.fr>
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changeset
|
1625 areas. @xref{Line Styles}. |
|
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Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
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changeset
|
1626 |
|
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David Bateman <dbateman@free.fr>
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changeset
|
1627 @item edgecolor |
|
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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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changeset
|
1628 @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
|
1629 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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diff
changeset
|
1630 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1631 @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
|
1632 @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
|
1633 The x and y coordinates of the original columns of the data passed 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
|
1634 @code{area} prior to the cummulative summation used in the @code{area} |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1635 function. |
|
8070
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|
1636 |
|
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David Bateman <dbateman@free.fr>
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changeset
|
1637 @item xdatasource |
|
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David Bateman <dbateman@free.fr>
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diff
changeset
|
1638 @itemx ydatasource |
|
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David Bateman <dbateman@free.fr>
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diff
changeset
|
1639 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
|
1640 @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
|
1641 |
|
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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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changeset
|
1642 @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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|
1643 @subsubsection Bar series |
| 8071 | 1644 @cindex series objects |
| 1645 @cindex bar series | |
|
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David Bateman <dbateman@free.fr>
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|
1646 |
|
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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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|
1647 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
|
1648 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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|
1649 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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|
1650 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1651 @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
|
1652 @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
|
1653 @itemx baseline |
|
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 @itemx basevalue |
|
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 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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changeset
|
1656 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
|
1657 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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changeset
|
1658 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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changeset
|
1659 |
|
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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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|
1660 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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changeset
|
1661 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
|
1662 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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|
1663 corresponding bar series. |
|
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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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|
1664 |
|
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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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changeset
|
1665 @item barwidth |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1666 @itemx barlayout |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1667 @itemx horizontal |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1668 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
|
1669 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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changeset
|
1670 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
|
1671 @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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changeset
|
1672 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
|
1673 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1674 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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changeset
|
1675 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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changeset
|
1676 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1677 @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
|
1678 @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
|
1679 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
|
1680 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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changeset
|
1681 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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changeset
|
1682 @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
|
1683 @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
|
1684 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
|
1685 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1686 @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
|
1687 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
|
1688 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
|
1689 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1690 @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
|
1691 The y value of the bars in the @code{hggroup}. |
|
8070
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David Bateman <dbateman@free.fr>
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|
1692 |
|
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David Bateman <dbateman@free.fr>
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diff
changeset
|
1693 @item xdatasource |
|
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David Bateman <dbateman@free.fr>
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diff
changeset
|
1694 @itemx ydatasource |
|
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1695 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
|
1696 @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
|
1697 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1698 @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
|
1699 @subsubsection Contour groups |
| 8071 | 1700 @cindex series objects |
| 1701 @cindex contour series | |
|
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
|
1702 |
|
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 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
|
1704 |
|
9a6f4713f765
Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1705 @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
|
1706 @subsubsection Error bar series |
| 8071 | 1707 @cindex series objects |
| 1708 @cindex error bar series | |
|
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
|
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 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
|
1711 |
|
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 @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
|
1713 @subsubsection Line series |
| 8071 | 1714 @cindex series objects |
| 1715 @cindex line series | |
|
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
|
1716 |
|
8070
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1717 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
|
1718 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
|
1719 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
|
1720 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
|
1721 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
|
1722 the group object. |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1723 |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1724 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
|
1725 |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1726 @table @code |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
8057
diff
changeset
|
1727 @item color |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
8057
diff
changeset
|
1728 The RGB color or color name of the line objects of the stairs. @xref{Colors}. |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1729 |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1730 @item linewidth |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1731 @itemx linestyle |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1732 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
|
1733 |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1734 @item marker |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1735 @itemx markeredgecolor |
|
3b53b25e2550
Add data sources and line series
David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1736 @itemx markerfacecolor |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1737 @itemx markersize |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
8057
diff
changeset
|
1738 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
|
1739 |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1740 @item xdata |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1741 @itemx ydata |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1742 @itemx zdata |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1743 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
|
1744 |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1745 @item xdatasource |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1746 @itemx ydatasource |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1747 @itemx zdatasource |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1748 Data source variables. |
|
3b53b25e2550
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David Bateman <dbateman@free.fr>
parents:
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diff
changeset
|
1749 @end table |
|
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1750 |
|
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|
1751 @node Quiver group |
|
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David Bateman <dbateman@free.fr>
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|
1752 @subsubsection Quiver group |
| 8071 | 1753 @cindex group objects |
| 1754 @cindex quiver group | |
|
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|
1755 |
|
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|
1756 Quiver series objects are created by the @code{quiver} or @code{quiver3} |
|
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|
1757 functions. Each @code{hggroup} element of the series contains three line |
|
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David Bateman <dbateman@free.fr>
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|
1758 objects as children representing the body and head of the arrow, |
|
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David Bateman <dbateman@free.fr>
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|
1759 together with a marker as the point of original of the arrows. The |
|
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David Bateman <dbateman@free.fr>
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|
1760 properties of the quiver series are |
|
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David Bateman <dbateman@free.fr>
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1761 |
|
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David Bateman <dbateman@free.fr>
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|
1762 @table @code |
|
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David Bateman <dbateman@free.fr>
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1763 @item autoscale |
|
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David Bateman <dbateman@free.fr>
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1764 @itemx autoscalefactor |
|
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David Bateman <dbateman@free.fr>
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1765 Flag whether the length of the arrows is scaled or defined directly from |
|
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David Bateman <dbateman@free.fr>
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1766 the @var{u}, @var{v} and @var{w} data. If the arrow length is falgged |
|
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1767 as being scaled by the @code{autoscale} property, then the length of the |
|
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David Bateman <dbateman@free.fr>
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|
1768 autoscaled arrow is controlled by the @code{autoscalefactor}. |
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David Bateman <dbateman@free.fr>
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1769 |
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David Bateman <dbateman@free.fr>
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1770 @item maxheadsize |
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David Bateman <dbateman@free.fr>
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1771 This property controls the size of the head of the arrows in the quiver |
|
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David Bateman <dbateman@free.fr>
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1772 series. The default value is 0.2. |
|
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1773 |
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David Bateman <dbateman@free.fr>
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|
1774 @item showarrowhead |
|
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David Bateman <dbateman@free.fr>
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1775 Flag whether the arrow heads are displayed in the quiver plot. |
|
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David Bateman <dbateman@free.fr>
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1776 |
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David Bateman <dbateman@free.fr>
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1777 @item color |
|
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David Bateman <dbateman@free.fr>
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1778 The RGB color or color name of the line objects of the quiver. @xref{Colors}. |
|
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David Bateman <dbateman@free.fr>
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1779 |
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David Bateman <dbateman@free.fr>
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|
1780 @item linewidth |
|
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David Bateman <dbateman@free.fr>
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|
1781 @itemx linestyle |
|
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David Bateman <dbateman@free.fr>
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1782 The line width and style of the line objects of the quiver. @xref{Line Styles}. |
|
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1783 |
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David Bateman <dbateman@free.fr>
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|
1784 @item marker |
|
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David Bateman <dbateman@free.fr>
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|
1785 @itemx markerfacecolor |
|
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1786 @itemx markersize |
|
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David Bateman <dbateman@free.fr>
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|
1787 The line and fill color of the marker objects at the original of the |
|
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David Bateman <dbateman@free.fr>
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|
1788 arrows. @xref{Colors}. |
|
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David Bateman <dbateman@free.fr>
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1789 |
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David Bateman <dbateman@free.fr>
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|
1790 @item xdata |
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David Bateman <dbateman@free.fr>
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1791 @itemx ydata |
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David Bateman <dbateman@free.fr>
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1792 @itemx zdata |
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David Bateman <dbateman@free.fr>
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|
1793 The origins of the values of the vector field. |
|
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David Bateman <dbateman@free.fr>
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1794 |
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David Bateman <dbateman@free.fr>
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|
1795 @item udata |
|
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David Bateman <dbateman@free.fr>
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|
1796 @itemx vdata |
|
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David Bateman <dbateman@free.fr>
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1797 @itemx wdata |
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David Bateman <dbateman@free.fr>
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|
1798 The values of the vector field to plot. |
|
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1799 |
|
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1800 @item xdatasource |
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|
1801 @itemx ydatasource |
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|
1802 @itemx zdatasource |
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|
1803 @itemx udatasource |
|
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|
1804 @itemx vdatasource |
|
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|
1805 @itemx wdatasource |
|
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|
1806 Data source variables. |
|
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|
1807 @end table |
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1808 |
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David Bateman <dbateman@free.fr>
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|
1809 @node Scatter group |
|
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David Bateman <dbateman@free.fr>
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|
1810 @subsubsection Scatter group |
| 8071 | 1811 @cindex group objects |
| 1812 @cindex scatter group | |
|
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1813 |
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|
1814 TO BE WRITTEN |
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1815 |
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|
1816 @node Stair group |
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|
1817 @subsubsection Stair group |
| 8071 | 1818 @cindex group objects |
| 1819 @cindex stair group | |
|
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1820 |
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|
1821 Stair series objects are created by the @code{stair} function. Each |
|
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1822 @code{hggroup} element of the series contains a single line object as a |
|
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David Bateman <dbateman@free.fr>
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|
1823 child representing the stair. The properties of the stair series are |
|
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1824 |
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David Bateman <dbateman@free.fr>
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|
1825 @table @code |
|
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David Bateman <dbateman@free.fr>
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1826 @item color |
|
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1827 The RGB color or color name of the line objects of the stairs. @xref{Colors}. |
|
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1828 |
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|
1829 @item linewidth |
|
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1830 @itemx linestyle |
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1831 The line width and style of the line objects of the stairs. @xref{Line Styles}. |
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1832 |
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1833 @item marker |
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1834 @itemx markeredgecolor |
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1835 @itemx markerfacecolor |
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1836 @itemx markersize |
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|
1837 The line and fill color of the markers on the stairs. @xref{Colors}. |
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1838 |
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|
1839 @item xdata |
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|
1840 @itemx ydata |
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|
1841 The original x and y data of the stairs. |
|
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1842 |
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1843 @item xdatasource |
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|
1844 @itemx ydatasource |
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|
1845 Data source variables. |
|
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|
1846 @end table |
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1847 |
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|
1848 @node Surface group |
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|
1849 @subsubsection Surface group |
| 8071 | 1850 @cindex group objects |
| 1851 @cindex surface group | |
|
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1852 |
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|
1853 TO BE WRITTEN |
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1854 |
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|
1855 @node Graphics backends |
|
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|
1856 @subsection Graphics backends |
| 8071 | 1857 @cindex graphics backends |
| 1858 @cindex backends, graphics | |
|
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|
1859 |
|
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1860 @DOCSTRING(backends) |
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1861 |
|
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|
1862 @DOCSTRING(available_backends) |
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1863 |
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|
1864 @menu |
|
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|
1865 * Interaction with gnuplot:: |
|
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|
1866 @end menu |
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|
1867 |
| 4167 | 1868 @node Interaction with gnuplot |
|
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|
1869 @subsubsection Interaction with @code{gnuplot} |
| 8071 | 1870 @cindex gnuplot interaction |
| 3428 | 1871 |
| 1872 @DOCSTRING(gnuplot_binary) | |
| 1873 | |
| 6331 | 1874 @DOCSTRING(gnuplot_use_title_option) |
|
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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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