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annotate scripts/plot/patch.m @ 6988:c7484dcadd4d

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[project @ 2007-10-09 19:58:32 by dbateman]
author dbateman
date Tue, 09 Oct 2007 19:59:51 +0000
parents 76e3d985ae56
children 93c65f2a5668
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1 ## Copyright (C) 2005 John W. Eaton
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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 2, or (at your option)
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8 ## 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, write to the Free
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17 ## Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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18 ## 02110-1301, USA.
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19
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20 ## -*- texinfo -*-
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21 ## @deftypefn {Function File} {} patch ()
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22 ## @deftypefnx {Function File} {} patch (@var{x}, @var{y}, @var{c})
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23 ## @deftypefnx {Function File} {} patch (@var{x}, @var{y}, @var{c}, @var{opts})
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24 ## @deftypefnx {Function File} {} patch (@var{h}, @dots{})
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25 ## Create patch object from @var{x} and @var{y} with color @var{c} and
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26 ## insert in the current axes object. Return handle to patch object.
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27 ##
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28 ## For a uniform colored patch, @var{c} can be given as an RGB vector,
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29 ## scalar value referring to the current colormap, or string value (for
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30 ## example, "r" or "red").
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31 ## @end deftypefn
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32
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33 ## Author: jwe
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34
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35 function h = patch (varargin)
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36
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37 if (isscalar (varargin{1}) && ishandle (varargin{1}))
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38 h = varargin {1};
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39 if (! strcmp (get (h, "type"), "axes"))
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40 error ("patch: expecting first argument to be an axes object");
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41 endif
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42 oldh = gca ();
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43 unwind_protect
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44 axes (h);
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45 tmp = __patch__ (h, varargin{:});
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46 unwind_protect_cleanup
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47 axes (oldh);
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48 end_unwind_protect
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49 else
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50 tmp = __patch__ (gca (), varargin{:});
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51 endif
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52
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53 if (nargout > 0)
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54 h = tmp;
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55 endif
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56
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57 endfunction