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annotate scripts/plot/guidata.m @ 16993:78f57b14535c

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Overhaul ez* family of plot functions. * scripts/plot/ezcontour.m, scripts/plot/ezcontourf.m, scripts/plot/ezmesh.m, scripts/plot/ezmeshc.m, scripts/plot/ezpolar.m, scripts/plot/ezsurfc.m: Redo docstring. Match function output names to docstring. * scripts/plot/ezplot.m: Add %!demo block with sinc function. Redo docstring. Match function output names to docstring. scripts/plot/ezplot3.m: Add %!demo block showing 'animate' option. Redo docstring. Match function output names to docstring. * scripts/plot/ezsurf.m: Add %!demo block showing 'circ' argument. Redo docstring. Match function output names to docstring. * scripts/plot/private/__ezplot__.m: Implement 'circ' option for ezsurf, ezmesh. Implement 'animate' option for ezplot3. Implement new algorithm for finding valid axis setting for mesh, surf, contour plots based on function gradient. Eliminate complex Z values along with singularities because these are not plottable by mesh, surf. Implement Matlab-compatible 2-pass approach to finding valid domain for plot. Use 500 points for point-style plot functions ezplot, ezplot3, ezpolar rather than previous 60 for a smoother plot. Use better regexprep() calls to format "pretty print" title string. Relax input checking and allow 3rd parametric function to be a function of 1 variable only. Clean up code and use Octave coding conventions.
author Rik <rik@octave.org>
date Wed, 17 Jul 2013 10:09:44 -0700
parents 72c96de7a403
children eaab03308c0b
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72c96de7a403 maint: update copyright notices for 2012
John W. Eaton <jwe@octave.org>
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1 ## Copyright (C) 2012 Michael Goffioul
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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} {@var{data} =} guidata (@var{handle})
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5820f8ce683e doc: Add undocumented functions to manual for 3.6.0 release
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21 ## @deftypefnx {Function File} {} guidata (@var{handle}, @var{data})
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22 ## @end deftypefn
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23
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24 ## Author: goffioul
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25
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26 function varargout = guidata (varargin)
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27
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28 if (nargin == 1 || nargin == 2)
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29 h = varargin{1};
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30 if (ishandle (h))
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31 h = ancestor (h, "figure");
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32 if (! isempty (h))
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33 if (nargin == 1)
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34 varargout{1} = get (h, "__guidata__");
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35 else
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36 data = varargin{2};
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37 set (h, "__guidata__", data);
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38 if (nargout == 1)
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39 varargout{1} = data;
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40 endif
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41 endif
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42 else
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43 error ("no ancestor figure found");
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44 endif
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45 else
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46 error ("invalid object handle");
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47 endif
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48 else
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49 print_usage ();
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50 endif
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51
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52 endfunction