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annotate scripts/plot/trisurf.m @ 14846:460a3c6d8bf1

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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 c4fa5e0b6193
children 154899fa42e3
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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72c96de7a403 maint: update copyright notices for 2012
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1 ## Copyright (C) 2007-2012 David Bateman
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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} {} trisurf (@var{tri}, @var{x}, @var{y}, @var{z})
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21 ## @deftypefnx {Function File} {@var{h} =} trisurf (@dots{})
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22 ## Plot a triangular surface in 3D@. The variable @var{tri} is the triangular
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23 ## meshing of the points @code{(@var{x}, @var{y})} which is returned
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24 ## from @code{delaunay}. The variable @var{z} is value at the point
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25 ## @code{(@var{x}, @var{y})}.
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26 ##
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27 ## The optional return value @var{h} is a graphics handle to the created plot.
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28 ## @seealso{triplot, trimesh, delaunay3}
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29 ## @end deftypefn
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30
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31 function h = trisurf (tri, x, y, z, varargin)
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32
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33 if (nargin < 3)
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34 print_usage ();
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35 endif
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36
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37 if (nargin == 3)
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38 triplot (tri, x, y);
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39 elseif (ischar (z))
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40 triplot (tri, x, y, z, varargin{:});
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41 else
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42 if (nargin > 4 && isnumeric (varargin{1}))
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43 c = varargin{1};
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44 varargin(1) = [];
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45 else
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46 c = z;
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47 endif
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48 if (! any (strcmpi (varargin, "FaceColor")))
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49 nfc = numel (varargin) + 1;
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50 varargin(nfc+(0:1)) = {"FaceColor", "flat"};
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51 else
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52 nfc = find (any (strcmpi (varargin, "FaceColor")), 1);
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53 endif
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54 if (! any (strcmpi (varargin, "EdgeColor"))
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55 && strcmpi (varargin{nfc+1}, "interp"))
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56 varargin(end+(1:2)) = {"EdgeColor", "none"};
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57 endif
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58 newplot ();
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59 handle = patch ("Faces", tri, "Vertices", [x(:), y(:), z(:)],
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60 "FaceVertexCData", reshape (c, numel (c), 1),
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61 varargin{:});
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62 if (nargout > 0)
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63 h = handle;
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64 endif
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65
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66 if (! ishold ())
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67 set (gca (), "view", [-37.5, 30],
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68 "xgrid", "on", "ygrid", "on", "zgrid", "on");
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69 endif
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70 endif
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71
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72 endfunction
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73
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74
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75 %!demo
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76 %! clf;
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77 %! colormap ('default');
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78 %! N = 31;
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79 %! [x, y] = meshgrid (1:N);
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80 %! tri = delaunay (x, y);
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81 %! z = peaks (N);
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82 %! h = trisurf (tri, x, y, z, 'facecolor', 'interp');
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83 %! axis tight;
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84 %! zlim auto;
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85 %! title (sprintf ('facecolor = %s', get (h, 'facecolor')));
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86
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87 %!demo
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Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
88 %! clf;
14247
c4fa5e0b6193 test: Make surface demos reproducible by setting colormap to default at start of demo.
Rik <octave@nomad.inbox5.com>
parents: 14245
diff changeset
89 %! colormap ('default');
14108
5be545210fe3 Trisurf() improvements.
Ben Abbott <bpabbott@mac.com>
parents: 14092
diff changeset
90 %! N = 31;
5be545210fe3 Trisurf() improvements.
Ben Abbott <bpabbott@mac.com>
parents: 14092
diff changeset
91 %! [x, y] = meshgrid (1:N);
5be545210fe3 Trisurf() improvements.
Ben Abbott <bpabbott@mac.com>
parents: 14092
diff changeset
92 %! tri = delaunay (x, y);
5be545210fe3 Trisurf() improvements.
Ben Abbott <bpabbott@mac.com>
parents: 14092
diff changeset
93 %! z = peaks (N);
14245
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Rik <octave@nomad.inbox5.com>
parents: 14237
diff changeset
94 %! h = trisurf (tri, x, y, z, 'facecolor', 'flat');
14237
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Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
95 %! axis tight;
11949c9795a0 Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
96 %! zlim auto;
14245
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Rik <octave@nomad.inbox5.com>
parents: 14237
diff changeset
97 %! title (sprintf ('facecolor = %s', get (h, 'facecolor')));
13747
e8564e8b0043 Restore random number state after %!demos or %!tests
Rik <octave@nomad.inbox5.com>
parents: 13141
diff changeset
98
9110
22ae6b3411a7 Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
diff changeset
99 %!demo
14237
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Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
100 %! clf;
14247
c4fa5e0b6193 test: Make surface demos reproducible by setting colormap to default at start of demo.
Rik <octave@nomad.inbox5.com>
parents: 14245
diff changeset
101 %! colormap ('default');
14245
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Rik <octave@nomad.inbox5.com>
parents: 14237
diff changeset
102 %! old_state = rand ('state');
4506eade9f04 Use Matlab coding conventions for demos in plot/ directory.
Rik <octave@nomad.inbox5.com>
parents: 14237
diff changeset
103 %! restore_state = onCleanup (@() rand ('state', old_state));
4506eade9f04 Use Matlab coding conventions for demos in plot/ directory.
Rik <octave@nomad.inbox5.com>
parents: 14237
diff changeset
104 %! rand ('state', 10);
9110
22ae6b3411a7 Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
diff changeset
105 %! N = 10;
22ae6b3411a7 Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
diff changeset
106 %! x = 3 - 6 * rand (N, N);
22ae6b3411a7 Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
diff changeset
107 %! y = 3 - 6 * rand (N, N);
22ae6b3411a7 Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
diff changeset
108 %! z = peaks (x, y);
22ae6b3411a7 Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
diff changeset
109 %! tri = delaunay (x(:), y(:));
22ae6b3411a7 Add isocolor, isonormals and isosurface functions (For Martin Helm). Add 3D filled triangular patches and the trisurf function
David Bateman <dbateman@free.fr>
parents:
diff changeset
110 %! trisurf (tri, x(:), y(:), z(:));
12524
482cf3aad915 trisurf.m: Set default edgecolor as Matlab does. Add demos.
Ben Abbott <bpabbott@mac.com>
parents: 12187
diff changeset
111
482cf3aad915 trisurf.m: Set default edgecolor as Matlab does. Add demos.
Ben Abbott <bpabbott@mac.com>
parents: 12187
diff changeset
112 %!demo
14237
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Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
113 %! clf;
14247
c4fa5e0b6193 test: Make surface demos reproducible by setting colormap to default at start of demo.
Rik <octave@nomad.inbox5.com>
parents: 14245
diff changeset
114 %! colormap ('default');
12524
482cf3aad915 trisurf.m: Set default edgecolor as Matlab does. Add demos.
Ben Abbott <bpabbott@mac.com>
parents: 12187
diff changeset
115 %! x = rand (100, 1);
482cf3aad915 trisurf.m: Set default edgecolor as Matlab does. Add demos.
Ben Abbott <bpabbott@mac.com>
parents: 12187
diff changeset
116 %! y = rand (100, 1);
13141
e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 12792
diff changeset
117 %! z = x.^2 + y.^2;
e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 12792
diff changeset
118 %! tri = delaunay (x, y);
14001
5f0bb45e615c doc: Update documentation for functions returning a graphics handle h (Bug #34761)
Rik <octave@nomad.inbox5.com>
parents: 13747
diff changeset
119 %! trisurf (tri, x, y, z);
12524
482cf3aad915 trisurf.m: Set default edgecolor as Matlab does. Add demos.
Ben Abbott <bpabbott@mac.com>
parents: 12187
diff changeset
120
482cf3aad915 trisurf.m: Set default edgecolor as Matlab does. Add demos.
Ben Abbott <bpabbott@mac.com>
parents: 12187
diff changeset
121 %!demo
14237
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Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
122 %! clf;
14247
c4fa5e0b6193 test: Make surface demos reproducible by setting colormap to default at start of demo.
Rik <octave@nomad.inbox5.com>
parents: 14245
diff changeset
123 %! colormap ('default');
12524
482cf3aad915 trisurf.m: Set default edgecolor as Matlab does. Add demos.
Ben Abbott <bpabbott@mac.com>
parents: 12187
diff changeset
124 %! x = rand (100, 1);
482cf3aad915 trisurf.m: Set default edgecolor as Matlab does. Add demos.
Ben Abbott <bpabbott@mac.com>
parents: 12187
diff changeset
125 %! y = rand (100, 1);
13141
e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 12792
diff changeset
126 %! z = x.^2 + y.^2;
e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 12792
diff changeset
127 %! tri = delaunay (x, y);
14245
4506eade9f04 Use Matlab coding conventions for demos in plot/ directory.
Rik <octave@nomad.inbox5.com>
parents: 14237
diff changeset
128 %! trisurf (tri, x, y, z, 'facecolor', 'interp');
12524
482cf3aad915 trisurf.m: Set default edgecolor as Matlab does. Add demos.
Ben Abbott <bpabbott@mac.com>
parents: 12187
diff changeset
129
482cf3aad915 trisurf.m: Set default edgecolor as Matlab does. Add demos.
Ben Abbott <bpabbott@mac.com>
parents: 12187
diff changeset
130 %!demo
14237
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Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
131 %! clf;
14247
c4fa5e0b6193 test: Make surface demos reproducible by setting colormap to default at start of demo.
Rik <octave@nomad.inbox5.com>
parents: 14245
diff changeset
132 %! colormap ('default');
12524
482cf3aad915 trisurf.m: Set default edgecolor as Matlab does. Add demos.
Ben Abbott <bpabbott@mac.com>
parents: 12187
diff changeset
133 %! x = rand (100, 1);
482cf3aad915 trisurf.m: Set default edgecolor as Matlab does. Add demos.
Ben Abbott <bpabbott@mac.com>
parents: 12187
diff changeset
134 %! y = rand (100, 1);
13141
e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 12792
diff changeset
135 %! z = x.^2 + y.^2;
e81ddf9cacd5 maint: untabify and remove trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 12792
diff changeset
136 %! tri = delaunay (x, y);
14245
4506eade9f04 Use Matlab coding conventions for demos in plot/ directory.
Rik <octave@nomad.inbox5.com>
parents: 14237
diff changeset
137 %! trisurf (tri, x, y, z, 'facecolor', 'interp', 'edgecolor', 'k');
12524
482cf3aad915 trisurf.m: Set default edgecolor as Matlab does. Add demos.
Ben Abbott <bpabbott@mac.com>
parents: 12187
diff changeset
138