annotate scripts/plot/ribbon.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 f3d52523cde1
children c728c87f43ba
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rev   line source
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72c96de7a403 maint: update copyright notices for 2012
John W. Eaton <jwe@octave.org>
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1 ## Copyright (C) 2007-2012 Kai Habel
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2 ##
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3 ## This file is part of Octave.
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4 ##
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5 ## Octave is free software; you can redistribute it and/or modify it
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6 ## under the terms of the GNU General Public License as published by
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7 ## the Free Software Foundation; either version 3 of the License, or (at
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8 ## your option) any later version.
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9 ##
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10 ## Octave is distributed in the hope that it will be useful, but
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11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 ## General Public License for more details.
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14 ##
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15 ## You should have received a copy of the GNU General Public License
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16 ## along with Octave; see the file COPYING. If not, see
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17 ## <http://www.gnu.org/licenses/>.
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18
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19 ## -*- texinfo -*-
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20 ## @deftypefn {Function File} {} ribbon (@var{x}, @var{y}, @var{width})
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21 ## @deftypefnx {Function File} {} ribbon (@var{y})
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22 ## @deftypefnx {Function File} {@var{h} =} ribbon (@dots{})
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23 ## Plot a ribbon plot for the columns of @var{y} vs. @var{x}. The
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24 ## optional parameter @var{width} specifies the width of a single ribbon
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25 ## (default is 0.75). If @var{x} is omitted, a vector containing the
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26 ## row numbers is assumed (1:rows (Y)).
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27 ##
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28 ## The optional return value @var{h} is a vector of graphics handles to
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29 ## the surface objects representing each ribbon.
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30 ## @end deftypefn
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31
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32 ## Author: Kai Habel <kai.habel at gmx.de>
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33
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34 function h = ribbon (x, y, width = 0.75)
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35
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36 if (nargin < 1 || nargin > 3)
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37 print_usage ();
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38 endif
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39
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40 if (nargin == 1)
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41 y = x;
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42 if (isvector (y))
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43 y = y(:);
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44 endif
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45 [nr, nc] = size (y);
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46 x = repmat ((1:nr)', 1, nc);
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47 endif
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48
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49 if (isvector (x) && isvector (y))
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50 if (length (x) != length (y))
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51 error ("ribbon: vectors X and Y must have the same length");
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52 else
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53 [x, y] = meshgrid (x, y);
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54 endif
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55 else
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56 if (! size_equal (x, y))
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57 error ("ribbon: matrices X and Y must have the same size");
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58 endif
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59 endif
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60
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61 newplot ();
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62
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63 [nr, nc] = size (y);
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64 htmp = zeros (nc, 1);
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65
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66 for c = nc:-1:1
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67 zz = [y(:,c), y(:,c)];
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68 yy = x(:,c);
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69 xx = [c - width / 2, c + width / 2];
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70 [xx, yy] = meshgrid (xx, yy);
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71 cc = repmat (c, size (zz));
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72 htmp(c) = surface (xx, yy, zz, cc);
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73 endfor
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74
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75 if (! ishold ())
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76 ax = get (htmp(1), "parent");
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77 set (ax, "view", [-37.5, 30], "box", "off",
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78 "xgrid", "on", "ygrid", "on", "zgrid", "on");
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79 endif
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80
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81 if (nargout > 0)
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82 h = htmp;
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83 endif
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84
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85 endfunction
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86
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87
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88 %!demo
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89 %! clf;
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90 %! colormap ('default');
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91 %! [x, y, z] = sombrero ();
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92 %! [x, y] = meshgrid (x, y);
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93 %! ribbon (y, z);
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94
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95 %!FIXME: Could have some input validation tests here
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96