Mercurial > hg > octave-lyh
annotate scripts/plot/plot.m @ 14846:460a3c6d8bf1
maint: Use Octave coding convention for cuddled parenthis in function calls with empty argument lists.
Example: func() => func ()
* dynamic.txi, func.txi, oop.txi, var.txi, embedded.cc, fortdemo.cc,
funcdemo.cc, paramdemo.cc, stringdemo.cc, unwinddemo.cc, Array.cc, Array.h,
CColVector.cc, CDiagMatrix.h, CMatrix.cc, CNDArray.cc, CRowVector.cc,
CSparse.cc, CmplxGEPBAL.cc, EIG.cc, MSparse.cc, MatrixType.cc,
Sparse-op-defs.h, Sparse-perm-op-defs.h, Sparse.cc, Sparse.h,
SparseCmplxCHOL.cc, SparseCmplxCHOL.h, SparseCmplxLU.cc, SparseCmplxQR.cc,
SparseCmplxQR.h, SparseQR.cc, SparseQR.h, SparsedbleCHOL.cc, SparsedbleCHOL.h,
SparsedbleLU.cc, SparsedbleLU.h, base-lu.cc, cmd-hist.cc, dColVector.cc,
dDiagMatrix.h, dMatrix.cc, dNDArray.cc, dRowVector.cc, dSparse.cc, dbleCHOL.cc,
dbleGEPBAL.cc, dim-vector.cc, eigs-base.cc, f2c-main.c, fCColVector.cc,
fCDiagMatrix.h, fCMatrix.cc, fCNDArray.cc, fCRowVector.cc, fCmplxGEPBAL.cc,
fColVector.cc, fDiagMatrix.h, fEIG.cc, fMatrix.cc, fNDArray.cc, fRowVector.cc,
file-ops.cc, file-stat.cc, floatCHOL.cc, floatGEPBAL.cc, idx-vector.h,
lo-specfun.cc, lo-sysdep.cc, mx-inlines.cc, oct-binmap.h, oct-convn.cc,
oct-md5.cc, oct-mem.h, oct-rand.cc, oct-syscalls.cc, randgamma.c, randmtzig.c,
sparse-base-chol.cc, sparse-base-chol.h, sparse-base-lu.cc, sparse-dmsolve.cc,
tempname.c, curl.m, divergence.m, randi.m, dlmwrite.m, edit.m, getappdata.m,
what.m, getarchdir.m, install.m, installed_packages.m, repackage.m,
unload_packages.m, colorbar.m, figure.m, isosurface.m, legend.m, loglog.m,
plot.m, plot3.m, plotyy.m, polar.m, __errplot__.m, __ghostscript__.m,
__marching_cube__.m, __plt__.m, __scatter__.m, semilogx.m, semilogy.m,
trimesh.m, trisurf.m, demo.m, test.m, datetick.m, __delaunayn__.cc,
__dsearchn__.cc, __fltk_uigetfile__.cc, __glpk__.cc, __init_fltk__.cc,
__lin_interpn__.cc, __magick_read__.cc, __pchip_deriv__.cc, balance.cc,
bsxfun.cc, ccolamd.cc, cellfun.cc, chol.cc, daspk.cc, dasrt.cc, dassl.cc,
dmperm.cc, eig.cc, eigs.cc, fftw.cc, filter.cc, find.cc, kron.cc, lookup.cc,
lsode.cc, matrix_type.cc, md5sum.cc, mgorth.cc, qr.cc, quad.cc, rand.cc,
regexp.cc, symbfact.cc, tril.cc, urlwrite.cc, op-bm-bm.cc, op-cdm-cdm.cc,
op-cell.cc, op-chm.cc, op-cm-cm.cc, op-cm-scm.cc, op-cm-sm.cc, op-cs-scm.cc,
op-cs-sm.cc, op-dm-dm.cc, op-dm-scm.cc, op-dm-sm.cc, op-fcdm-fcdm.cc,
op-fcm-fcm.cc, op-fdm-fdm.cc, op-fm-fm.cc, op-int.h, op-m-m.cc, op-m-scm.cc,
op-m-sm.cc, op-pm-pm.cc, op-pm-scm.cc, op-pm-sm.cc, op-range.cc, op-s-scm.cc,
op-s-sm.cc, op-sbm-sbm.cc, op-scm-cm.cc, op-scm-cs.cc, op-scm-m.cc,
op-scm-s.cc, op-scm-scm.cc, op-scm-sm.cc, op-sm-cm.cc, op-sm-cs.cc, op-sm-m.cc,
op-sm-s.cc, op-sm-scm.cc, op-sm-sm.cc, op-str-str.cc, op-struct.cc, bitfcns.cc,
data.cc, debug.cc, dynamic-ld.cc, error.cc, gl-render.cc, graphics.cc,
graphics.in.h, load-path.cc, ls-hdf5.cc, ls-mat5.cc, ls-mat5.h,
ls-oct-ascii.cc, ls-oct-ascii.h, mex.cc, mk-errno-list, oct-map.cc, oct-obj.h,
oct-parse.yy, octave-config.in.cc, ov-base-int.cc, ov-base-mat.cc, ov-base.cc,
ov-bool-mat.cc, ov-bool-sparse.cc, ov-bool.cc, ov-cell.cc, ov-class.cc,
ov-class.h, ov-cx-mat.cc, ov-cx-sparse.cc, ov-fcn-handle.cc, ov-flt-cx-mat.cc,
ov-flt-re-mat.cc, ov-intx.h, ov-range.h, ov-re-mat.cc, ov-re-sparse.cc,
ov-str-mat.cc, ov-struct.cc, ov-usr-fcn.h, ov.h, pr-output.cc, pt-id.cc,
pt-id.h, pt-mat.cc, pt-select.cc, sparse.cc, symtab.cc, symtab.h, syscalls.cc,
toplev.cc, txt-eng-ft.cc, variables.cc, zfstream.cc, zfstream.h, Dork.m,
getStash.m, myStash.m, Gork.m, Pork.m, myStash.m, getStash.m, myStash.m,
getStash.m, myStash.m, fntests.m: Use Octave coding convention for
cuddled parenthis in function calls with empty argument lists.
| author | Rik <octave@nomad.inbox5.com> |
|---|---|
| date | Sun, 08 Jul 2012 11:28:50 -0700 |
| parents | 72c96de7a403 |
| children | fee211d42c5c |
| rev | line source |
|---|---|
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maint: update copyright notices for 2012
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1 ## Copyright (C) 1993-2012 John W. Eaton |
| 2313 | 2 ## |
| 3 ## This file is part of Octave. | |
| 4 ## | |
| 5 ## Octave is free software; you can redistribute it and/or modify it | |
| 6 ## under the terms of the GNU General Public License as published by | |
| 7016 | 7 ## the Free Software Foundation; either version 3 of the License, or (at |
| 8 ## your option) any later version. | |
| 2313 | 9 ## |
| 10 ## Octave is distributed in the hope that it will be useful, but | |
| 11 ## WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 ## General Public License for more details. | |
| 14 ## | |
| 15 ## You should have received a copy of the GNU General Public License | |
| 7016 | 16 ## along with Octave; see the file COPYING. If not, see |
| 17 ## <http://www.gnu.org/licenses/>. | |
| 245 | 18 |
| 3368 | 19 ## -*- texinfo -*- |
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20 ## @deftypefn {Function File} {} plot (@var{y}) |
| 6895 | 21 ## @deftypefnx {Function File} {} plot (@var{x}, @var{y}) |
| 22 ## @deftypefnx {Function File} {} plot (@var{x}, @var{y}, @var{property}, @var{value}, @dots{}) | |
| 23 ## @deftypefnx {Function File} {} plot (@var{x}, @var{y}, @var{fmt}) | |
| 24 ## @deftypefnx {Function File} {} plot (@var{h}, @dots{}) | |
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25 ## @deftypefnx {Function File} {@var{h} =} plot (@dots{}) |
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26 ## Produce two-dimensional plots. |
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27 ## |
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28 ## Many different combinations of arguments are possible. The simplest |
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29 ## form is |
| 3426 | 30 ## |
| 3368 | 31 ## @example |
| 32 ## plot (@var{y}) | |
| 33 ## @end example | |
| 3426 | 34 ## |
| 3368 | 35 ## @noindent |
| 36 ## where the argument is taken as the set of @var{y} coordinates and the | |
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37 ## @var{x} coordinates are taken to be the indices of the elements |
| 3368 | 38 ## starting with 1. |
| 3426 | 39 ## |
| 5798 | 40 ## To save a plot, in one of several image formats such as PostScript |
| 41 ## or PNG, use the @code{print} command. | |
| 42 ## | |
| 3368 | 43 ## If more than one argument is given, they are interpreted as |
| 3426 | 44 ## |
| 3368 | 45 ## @example |
| 6895 | 46 ## plot (@var{y}, @var{property}, @var{value}, @dots{}) |
| 3368 | 47 ## @end example |
| 3426 | 48 ## |
| 3368 | 49 ## @noindent |
| 6895 | 50 ## or |
| 6459 | 51 ## |
| 52 ## @example | |
| 53 ## plot (@var{x}, @var{y}, @var{property}, @var{value}, @dots{}) | |
| 54 ## @end example | |
| 55 ## | |
| 56 ## @noindent | |
| 6895 | 57 ## or |
| 58 ## | |
| 59 ## @example | |
| 60 ## plot (@var{x}, @var{y}, @var{fmt}, @dots{}) | |
| 61 ## @end example | |
| 62 ## | |
| 63 ## @noindent | |
| 64 ## and so on. Any number of argument sets may appear. The @var{x} and | |
| 65 ## @var{y} values are interpreted as follows: | |
| 3426 | 66 ## |
| 3368 | 67 ## @itemize @bullet |
| 68 ## @item | |
| 69 ## If a single data argument is supplied, it is taken as the set of @var{y} | |
| 70 ## coordinates and the @var{x} coordinates are taken to be the indices of | |
| 71 ## the elements, starting with 1. | |
| 3426 | 72 ## |
| 3368 | 73 ## @item |
| 6672 | 74 ## If the @var{x} is a vector and @var{y} is a matrix, then |
| 6177 | 75 ## the columns (or rows) of @var{y} are plotted versus @var{x}. |
| 2311 | 76 ## (using whichever combination matches, with columns tried first.) |
| 3426 | 77 ## |
| 3368 | 78 ## @item |
| 6177 | 79 ## If the @var{x} is a matrix and @var{y} is a vector, |
| 80 ## @var{y} is plotted versus the columns (or rows) of @var{x}. | |
| 2311 | 81 ## (using whichever combination matches, with columns tried first.) |
| 3426 | 82 ## |
| 3368 | 83 ## @item |
| 84 ## If both arguments are vectors, the elements of @var{y} are plotted versus | |
| 85 ## the elements of @var{x}. | |
| 3426 | 86 ## |
| 3368 | 87 ## @item |
| 88 ## If both arguments are matrices, the columns of @var{y} are plotted | |
| 89 ## versus the columns of @var{x}. In this case, both matrices must have | |
| 90 ## the same number of rows and columns and no attempt is made to transpose | |
| 91 ## the arguments to make the number of rows match. | |
| 3426 | 92 ## |
| 2311 | 93 ## If both arguments are scalars, a single point is plotted. |
| 3368 | 94 ## @end itemize |
| 3426 | 95 ## |
| 6895 | 96 ## Multiple property-value pairs may be specified, but they must appear |
| 97 ## in pairs. These arguments are applied to the lines drawn by | |
| 98 ## @code{plot}. | |
| 99 ## | |
| 3368 | 100 ## If the @var{fmt} argument is supplied, it is interpreted as |
| 101 ## follows. If @var{fmt} is missing, the default gnuplot line style | |
| 102 ## is assumed. | |
| 3426 | 103 ## |
| 3368 | 104 ## @table @samp |
| 105 ## @item - | |
| 106 ## Set lines plot style (default). | |
| 3426 | 107 ## |
| 3368 | 108 ## @item . |
| 109 ## Set dots plot style. | |
| 3426 | 110 ## |
| 3368 | 111 ## @item @var{n} |
| 112 ## Interpreted as the plot color if @var{n} is an integer in the range 1 to | |
| 113 ## 6. | |
| 3426 | 114 ## |
| 3368 | 115 ## @item @var{nm} |
| 116 ## If @var{nm} is a two digit integer and @var{m} is an integer in the | |
| 117 ## range 1 to 6, @var{m} is interpreted as the point style. This is only | |
| 118 ## valid in combination with the @code{@@} or @code{-@@} specifiers. | |
| 3426 | 119 ## |
| 3368 | 120 ## @item @var{c} |
| 6177 | 121 ## If @var{c} is one of @code{"k"} (black), @code{"r"} (red), @code{"g"} |
| 122 ## (green), @code{"b"} (blue), @code{"m"} (magenta), @code{"c"} (cyan), | |
| 123 ## or @code{"w"} (white), it is interpreted as the line plot color. | |
| 3426 | 124 ## |
| 3717 | 125 ## @item ";title;" |
| 126 ## Here @code{"title"} is the label for the key. | |
| 127 ## | |
| 3368 | 128 ## @item + |
| 129 ## @itemx * | |
| 130 ## @itemx o | |
| 131 ## @itemx x | |
| 8088 | 132 ## @itemx ^ |
| 3368 | 133 ## Used in combination with the points or linespoints styles, set the point |
| 134 ## style. | |
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135 ## |
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136 ## @item @@ |
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137 ## Select the next unused point style. |
| 3368 | 138 ## @end table |
| 3426 | 139 ## |
| 6895 | 140 ## The @var{fmt} argument may also be used to assign key titles. |
| 3683 | 141 ## To do so, include the desired title between semi-colons after the |
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142 ## formatting sequence described above, e.g., "+3;Key Title;" |
| 3683 | 143 ## Note that the last semi-colon is required and will generate an error if |
| 144 ## it is left out. | |
| 145 ## | |
| 3368 | 146 ## Here are some plot examples: |
| 3426 | 147 ## |
| 3368 | 148 ## @example |
| 149 ## plot (x, y, "@@12", x, y2, x, y3, "4", x, y4, "+") | |
| 150 ## @end example | |
| 3426 | 151 ## |
| 3368 | 152 ## This command will plot @code{y} with points of type 2 (displayed as |
| 153 ## @samp{+}) and color 1 (red), @code{y2} with lines, @code{y3} with lines of | |
| 154 ## color 4 (magenta) and @code{y4} with points displayed as @samp{+}. | |
| 3426 | 155 ## |
| 3368 | 156 ## @example |
| 6459 | 157 ## plot (b, "*", "markersize", 3) |
| 3368 | 158 ## @end example |
| 3426 | 159 ## |
| 6672 | 160 ## This command will plot the data in the variable @code{b}, |
| 6459 | 161 ## with points displayed as @samp{*} with a marker size of 3. |
| 3683 | 162 ## |
| 163 ## @example | |
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164 ## @group |
| 3683 | 165 ## t = 0:0.1:6.3; |
| 166 ## plot (t, cos(t), "-;cos(t);", t, sin(t), "+3;sin(t);"); | |
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167 ## @end group |
| 3683 | 168 ## @end example |
| 169 ## | |
| 170 ## This will plot the cosine and sine functions and label them accordingly | |
| 171 ## in the key. | |
| 6820 | 172 ## |
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173 ## If the first argument is an axis handle, then plot into these axes, |
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174 ## rather than the current axis handle returned by @code{gca}. |
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175 ## |
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176 ## The optional return value @var{h} is a graphics handle to the created plot. |
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177 ## |
| 6895 | 178 ## @seealso{semilogx, semilogy, loglog, polar, mesh, contour, bar, |
| 179 ## stairs, errorbar, xlabel, ylabel, title, print} | |
| 3368 | 180 ## @end deftypefn |
| 4 | 181 |
| 2314 | 182 ## Author: jwe |
| 183 | |
| 6302 | 184 function retval = plot (varargin) |
| 4 | 185 |
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186 [h, varargin, nargs] = __plt_get_axis_arg__ ("plot", varargin{:}); |
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187 |
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188 if (nargs < 1) |
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189 print_usage (); |
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190 endif |
| 7216 | 191 |
| 7215 | 192 oldh = gca (); |
| 193 unwind_protect | |
| 194 axes (h); | |
| 6820 | 195 newplot (); |
| 7215 | 196 tmp = __plt__ ("plot", h, varargin{:}); |
| 197 unwind_protect_cleanup | |
| 198 axes (oldh); | |
| 199 end_unwind_protect | |
| 6302 | 200 |
| 201 if (nargout > 0) | |
| 202 retval = tmp; | |
| 203 endif | |
| 4 | 204 |
| 205 endfunction | |
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206 |
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207 |
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208 %% FIXME: Need demo or test for function |
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209 |