Mercurial > hg > octave-lyh
annotate scripts/plot/rectangle.m @ 14868:5d3a684236b0
maint: Use Octave coding conventions for cuddling parentheses in scripts directory
* lin2mu.m, loadaudio.m, wavread.m, accumarray.m, bicubic.m, celldisp.m,
colon.m, cplxpair.m, dblquad.m, divergence.m, genvarname.m, gradient.m,
int2str.m, interp1.m, interp1q.m, interp2.m, interpn.m, loadobj.m, nthargout.m,
__isequal__.m, __splinen__.m, quadgk.m, quadl.m, quadv.m, rat.m, rot90.m,
rotdim.m, saveobj.m, subsindex.m, triplequad.m, delaunay3.m, griddata.m,
inpolygon.m, tsearchn.m, voronoi.m, get_first_help_sentence.m, which.m,
gray2ind.m, pink.m, dlmwrite.m, strread.m, textread.m, textscan.m, housh.m,
ishermitian.m, issymmetric.m, krylov.m, logm.m, null.m, rref.m,
compare_versions.m, copyfile.m, dump_prefs.m, edit.m, fileparts.m,
getappdata.m, isappdata.m, movefile.m, orderfields.m, parseparams.m,
__xzip__.m, rmappdata.m, setappdata.m, swapbytes.m, unpack.m, ver.m, fminbnd.m,
fminunc.m, fsolve.m, glpk.m, lsqnonneg.m, qp.m, sqp.m, configure_make.m,
copy_files.m, describe.m, get_description.m, get_forge_pkg.m, install.m,
installed_packages.m, is_architecture_dependent.m, load_package_dirs.m,
print_package_description.m, rebuild.m, repackage.m, save_order.m, shell.m,
allchild.m, ancestor.m, area.m, axes.m, axis.m, clabel.m, close.m, colorbar.m,
comet.m, comet3.m, contour.m, cylinder.m, ezmesh.m, ezsurf.m, findobj.m,
fplot.m, hist.m, isocolors.m, isonormals.m, isosurface.m, isprop.m, legend.m,
mesh.m, meshz.m, pareto.m, pcolor.m, peaks.m, plot3.m, plotmatrix.m, plotyy.m,
polar.m, print.m, __add_datasource__.m, __add_default_menu__.m,
__axes_limits__.m, __bar__.m, __clabel__.m, __contour__.m, __errcomm__.m,
__errplot__.m, __ezplot__.m, __file_filter__.m, __fltk_print__.m,
__ghostscript__.m, __gnuplot_print__.m, __go_draw_axes__.m,
__go_draw_figure__.m, __interp_cube__.m, __marching_cube__.m, __patch__.m,
__pie__.m, __plt__.m, __print_parse_opts__.m, __quiver__.m, __scatter__.m,
__stem__.m, __tight_eps_bbox__.m, __uigetdir_fltk__.m, __uigetfile_fltk__.m,
__uiputfile_fltk__.m, quiver.m, quiver3.m, rectangle.m, refreshdata.m,
ribbon.m, scatter.m, semilogy.m, shading.m, slice.m, subplot.m, surface.m,
surfl.m, surfnorm.m, text.m, uigetfile.m, uiputfile.m, whitebg.m, deconv.m,
mkpp.m, pchip.m, polyaffine.m, polyder.m, polygcd.m, polyout.m, polyval.m,
ppint.m, ppjumps.m, ppval.m, residue.m, roots.m, spline.m, splinefit.m,
addpref.m, getpref.m, setpref.m, ismember.m, setxor.m, arch_fit.m, arch_rnd.m,
arch_test.m, autoreg_matrix.m, diffpara.m, fftconv.m, filter2.m, hanning.m,
hurst.m, periodogram.m, triangle_sw.m, sinc.m, spectral_xdf.m, spencer.m,
stft.m, synthesis.m, unwrap.m, yulewalker.m, bicgstab.m, gmres.m, pcg.m, pcr.m,
__sprand_impl__.m, speye.m, spfun.m, sprandn.m, spstats.m, svds.m,
treelayout.m, treeplot.m, bessel.m, factor.m, legendre.m, perms.m, primes.m,
magic.m, toeplitz.m, corr.m, cov.m, mean.m, median.m, mode.m, qqplot.m,
quantile.m, ranks.m, zscore.m, logistic_regression_likelihood.m,
bartlett_test.m, chisquare_test_homogeneity.m, chisquare_test_independence.m,
kolmogorov_smirnov_test.m, run_test.m, u_test.m, wilcoxon_test.m, z_test.m,
z_test_2.m, bin2dec.m, dec2base.m, mat2str.m, strcat.m, strchr.m, strjust.m,
strtok.m, substr.m, untabify.m, assert.m, demo.m, example.m, fail.m, speed.m,
test.m, now.m: Use Octave coding conventions for cuddling parentheses in
scripts directory.
| author | Rik <octave@nomad.inbox5.com> |
|---|---|
| date | Tue, 17 Jul 2012 07:08:39 -0700 |
| parents | 4506eade9f04 |
| children | 3e1b24a2454a |
| rev | line source |
|---|---|
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1 ## Copyright (C) 2012 David Bateman |
| 12697 | 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 | |
| 7 ## the Free Software Foundation; either version 3 of the License, or (at | |
| 8 ## your option) any later version. | |
| 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 | |
| 16 ## along with Octave; see the file COPYING. If not, see | |
| 17 ## <http://www.gnu.org/licenses/>. | |
| 18 | |
| 19 ## -*- texinfo -*- | |
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20 ## @deftypefn {Function File} {} rectangle () |
| 12697 | 21 ## @deftypefnx {Function File} {} rectangle (@dots{}, "Position", @var{pos}) |
| 22 ## @deftypefnx {Function File} {} rectangle (@dots{}, "Curvature", @var{curv}) | |
| 23 ## @deftypefnx {Function File} {} rectangle (@dots{}, "EdgeColor", @var{ec}) | |
| 24 ## @deftypefnx {Function File} {} rectangle (@dots{}, "FaceColor", @var{fc}) | |
| 25 ## @deftypefnx {Function File} {@var{h} =} rectangle (@dots{}) | |
| 26 ## | |
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27 ## Draw rectangular patch defined by @var{pos} and @var{curv}. The variable |
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28 ## @code{@var{pos}(1:2)} defines the lower left-hand corner of the patch |
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29 ## and @code{@var{pos}(3:4)} defines its width and height. By default, the |
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30 ## value of @var{pos} is @code{[0, 0, 1, 1]}. |
| 12697 | 31 ## |
| 32 ## The variable @var{curv} defines the curvature of the sides of the rectangle | |
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33 ## and may be a scalar or two-element vector with values between 0 and 1. |
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34 ## A value of 0 represents no curvature of the side, whereas a value of 1 |
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35 ## means that the side is entirely curved into the arc of a circle. |
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36 ## If @var{curv} is a two-element vector, then the first element is the |
| 12697 | 37 ## curvature along the x-axis of the patch and the second along y-axis. |
| 38 ## | |
| 39 ## If @var{curv} is a scalar, it represents the curvature of the shorter of the | |
| 40 ## two sides of the rectangle and the curvature of the other side is defined | |
| 41 ## by | |
| 42 ## | |
| 43 ## @example | |
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44 ## min (pos (1:2)) / max (pos (1:2)) * curv |
| 12697 | 45 ## @end example |
| 46 ## | |
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47 ## Other properties are passed to the underlying patch command. |
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48 ## |
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49 ## The optional return value @var{h} is a graphics handle to the created |
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50 ## rectangle object. |
| 12697 | 51 ## @end deftypefn |
| 52 ## @seealso{patch} | |
| 53 | |
| 54 function h = rectangle (varargin) | |
| 55 | |
| 56 [hax, varargin] = __plt_get_axis_arg__ ("rectangle", varargin{:}); | |
| 57 | |
| 58 tmp = __rectangle__ (hax, varargin{:}); | |
| 59 | |
| 60 if (nargout > 0) | |
| 61 h = tmp; | |
| 62 endif | |
| 63 endfunction | |
| 64 | |
| 65 function hg = __rectangle__ (hax, varargin) | |
| 66 | |
| 67 iarg = 1; | |
| 68 pos = [0, 0, 1, 1]; | |
| 69 curv2 = [0, 0]; | |
| 70 ec = [0, 0, 0]; | |
| 71 fc = "none"; | |
| 72 | |
| 73 while (iarg < length (varargin)) | |
| 74 arg = varargin{iarg}; | |
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75 if (ischar (arg)) |
| 12697 | 76 if (strcmpi (arg, "position")) |
| 77 pos = varargin{iarg+1}; | |
| 78 varargin(iarg:iarg+1) = []; | |
| 79 if (!isvector (pos) || numel (pos) != 4) | |
| 80 error ("rectangle: position must be a 4 element vector"); | |
| 81 endif | |
| 82 elseif (strcmpi (arg, "curvature")) | |
| 83 curv2 = varargin{iarg+1}; | |
| 84 varargin(iarg:iarg+1) = []; | |
| 85 if (!isnumeric (curv2) || (numel (curv2) != 1 && numel (curv2) != 2)) | |
| 86 error ("rectangle: curvature must be a 2 element vector or a scalar"); | |
| 87 endif | |
| 88 if (any (curv2 < 0) || any (curv2 > 1)) | |
| 89 error ("rectangle: curvature values must be between 0 and 1"); | |
| 90 endif | |
| 91 elseif (strcmpi (arg, "edgecolor")) | |
| 92 ec = varargin{iarg+1}; | |
| 93 varargin(iarg:iarg+1) = []; | |
| 94 elseif (strcmpi (arg, "facecolor")) | |
| 95 fc = varargin{iarg+1}; | |
| 96 varargin(iarg:iarg+1) = []; | |
| 97 else | |
| 98 iarg ++; | |
| 99 endif | |
| 100 else | |
| 101 iarg ++; | |
| 102 endif | |
| 103 endwhile | |
| 104 | |
| 105 if (numel (curv2) == 1) | |
| 106 [a, ai] = min (pos (3 : 4)); | |
| 107 [b, bi] = max (pos (3 : 4)); | |
| 108 if (ai < bi) | |
| 109 curv = [curv2, curv2 .* a ./ b]; | |
| 110 else | |
| 111 curv = [curv2 .* a ./ b, curv2]; | |
| 112 endif | |
| 113 else | |
| 114 curv = curv2; | |
| 115 endif | |
| 116 | |
| 117 if (all (curv) < 0.01) | |
| 118 ## Special case : no curvature | |
| 119 x = [pos(1), pos(1) + pos(3), pos(1) + pos(3), pos(1), pos(1)]; | |
| 120 y = [pos(2), pos(2), pos(2) + pos(4), pos(2) + pos(4), pos(2)]; | |
| 121 else | |
| 122 p = pi / 2 * [0 : 15] / 15; | |
| 123 c = curv .* pos(3 : 4) / 2; | |
| 124 cx = c(1) * sin (p) - c(1); | |
| 125 cy = c(2) * cos (p) - c(2); | |
| 126 x = [pos(1) - fliplr(cx), pos(1) + pos(3) + cx, ... | |
| 127 pos(1) + pos(3) + fliplr(cx), pos(1) - cx, pos(1)]; | |
| 128 y = [pos(2) - fliplr(cy), pos(2) - cy, pos(2) + pos(4) + fliplr(cy), ... | |
| 129 pos(2) + pos(4) + cy, pos(2) + c(2)]; | |
| 130 endif | |
| 131 | |
| 132 hg = hggroup (); | |
| 133 | |
| 134 h = patch ("xdata", x(:), "ydata", y(:), "facecolor", fc, "edgecolor", ec, ... | |
| 135 "parent", hg, varargin{:}); | |
| 136 | |
| 137 addproperty ("curvature", hg, "data", curv2); | |
| 138 addproperty ("position", hg, "data", pos); | |
| 139 addproperty ("edgecolor", hg, "patchedgecolor", get (h, "edgecolor")); | |
| 140 addproperty ("linewidth", hg, "patchlinewidth", get (h, "linewidth")); | |
| 141 addproperty ("linestyle", hg, "patchlinestyle", get (h, "linestyle")); | |
| 142 addproperty ("facecolor", hg, "patchfacecolor", get (h, "facecolor")); | |
| 143 | |
| 144 addlistener (hg, "curvature", @update_data); | |
| 145 addlistener (hg, "position", @update_data); | |
| 146 addlistener (hg, "edgecolor", @update_props); | |
| 147 addlistener (hg, "linewidth", @update_props); | |
| 148 addlistener (hg, "linestyle", @update_props); | |
| 149 addlistener (hg, "facecolor", @update_props); | |
| 150 endfunction | |
| 151 | |
| 152 function update_data (h, d) | |
| 153 persistent recursion = false; | |
| 154 | |
| 155 ## Don't allow recursion | |
| 156 if (!recursion) | |
| 157 unwind_protect | |
| 158 recursion = true; | |
| 159 | |
| 160 kids = get (h, "children"); | |
| 161 pos = get (h, "position"); | |
| 162 curv2 = get (h, "curvature"); | |
| 163 | |
| 164 if (numel (curv2) == 1) | |
| 165 [a, ai] = min (pos (3 : 4)); | |
| 166 [b, bi] = max (pos (3 : 4)); | |
| 167 if (ai < bi) | |
| 168 curv = [curv2, curv2 .* a ./ b]; | |
| 169 else | |
| 170 curv = [curv2 .* a ./ b, curv2]; | |
| 171 endif | |
| 172 else | |
| 173 curv = curv2; | |
| 174 endif | |
| 175 | |
| 176 if (all (curv) < 0.01) | |
| 177 ## Special case : no curvature | |
| 178 x = [pos(1), pos(1) + pos(3), pos(1) + pos(3), pos(1), pos(1)]; | |
| 179 y = [pos(2), pos(2), pos(2) + pos(4), pos(2) + pos(4), pos(2)]; | |
| 180 else | |
| 181 p = pi / 2 * [0 : 15] / 15; | |
| 182 c = curv .* pos(3 : 4) / 2; | |
| 183 cx = c(1) * sin (p) - c(1); | |
| 184 cy = c(2) * cos (p) - c(2); | |
| 185 x = [pos(1) - fliplr(cx), pos(1) + pos(3) + cx, ... | |
| 186 pos(1) + pos(3) + fliplr(cx), pos(1) - cx, pos(1)]; | |
| 187 y = [pos(2) - fliplr(cy), pos(2) - cy, pos(2) + pos(4) + fliplr(cy), ... | |
| 188 pos(2) + pos(4) + cy, pos(2) + c(2)]; | |
| 189 endif | |
| 190 | |
| 191 set (kids, "xdata", x, "ydata", y); | |
| 192 unwind_protect_cleanup | |
| 193 recursion = false; | |
| 194 end_unwind_protect | |
| 195 endif | |
| 196 endfunction | |
| 197 | |
| 198 function update_props (h, d) | |
| 199 kids = get (h, "children"); | |
| 200 set (kids, "edgecolor", get (h, "edgecolor"), | |
| 201 "linewidth", get (h, "linewidth"), | |
| 202 "linestyle", get (h, "linestyle"), | |
| 203 "facecolor", get (h, "facecolor")); | |
| 204 endfunction | |
| 205 | |
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206 |
| 12697 | 207 %!demo |
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208 %! clf; |
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209 %! axis equal; |
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210 %! rectangle ('Position', [0.05, 0.05, 0.9, 0.9], 'Curvature', [0.5, 0.5]); |
| 12697 | 211 |
| 212 %!demo | |
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213 %! clf; |
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214 %! axis equal; |
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215 %! rectangle ('Position', [0.05, 0.05, 0.9, 0.4], 'Curvature', 1.0); |
| 12697 | 216 |
| 217 %!demo | |
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218 %! clf; |
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219 %! axis equal; |
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220 %! h = rectangle ('Position', [0.05, 0.05, 0.9, 0.4], 'Curvature', 1.0); |
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221 %! set (h, 'FaceColor', [0, 1, 0]); |
| 12697 | 222 |