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contour3.m: Grid on be default for 3D plots.
author Ben Abbott <bpabbott@mac.com>
date Thu, 30 Dec 2010 20:18:15 -0500
parents 1f9ab076f5f7
children fd0a3ac60b0e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 ## Copyright (C) 1993, 1994, 1995, 1996, 1997, 1999, 2000, 2002, 2004,
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2 ## 2005, 2006, 2007 John W. Eaton
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3 ##
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4 ## This file is part of Octave.
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5 ##
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6 ## Octave is free software; you can redistribute it and/or modify it
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7 ## under the terms of the GNU General Public License as published by
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8 ## the Free Software Foundation; either version 3 of the License, or (at
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9 ## your option) any later version.
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10 ##
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11 ## Octave is distributed in the hope that it will be useful, but
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12 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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13 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 ## General Public License for more details.
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15 ##
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16 ## You should have received a copy of the GNU General Public License
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17 ## along with Octave; see the file COPYING. If not, see
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18 ## <http://www.gnu.org/licenses/>.
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19
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20 ## -*- texinfo -*-
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21 ## @deftypefn {Function File} {} mesh (@var{x}, @var{y}, @var{z})
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22 ## @deftypefnx {Function File} {} mesh (@var{z})
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23 ## @deftypefnx {Function File} {} mesh (@dots{}, @var{c})
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24 ## @deftypefnx {Function File} {} mesh (@var{hax}, @dots{})
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25 ## @deftypefnx {Function File} {@var{h} = } mesh (@dots{})
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26 ## Plot a mesh given matrices @var{x}, and @var{y} from @code{meshgrid} and
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27 ## a matrix @var{z} corresponding to the @var{x} and @var{y} coordinates of
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28 ## the mesh. If @var{x} and @var{y} are vectors, then a typical vertex
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29 ## is (@var{x}(j), @var{y}(i), @var{z}(i,j)). Thus, columns of @var{z}
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30 ## correspond to different @var{x} values and rows of @var{z} correspond
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31 ## to different @var{y} values.
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32 ##
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33 ## The color of the mesh is derirved from the @code{colormap}
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34 ## and the value of @var{z}. Optionally the color of the mesh can be
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35 ## specified independent of of @var{z}, by adding a fourth matrix, @var{c}.
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36 ## @seealso{colormap, contour, meshgrid, surf}
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37 ## @end deftypefn
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39 ## Author: jwe
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40
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41 function h = mesh (varargin)
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43 newplot ();
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45 tmp = surface (varargin{:});
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47 ax = get (tmp, "parent");
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49 set (tmp, "facecolor", "w");
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50 set (tmp, "edgecolor", "flat");
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52 if (! ishold ())
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53 set (ax, "view", [-37.5, 30],
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54 "xgrid", "on", "ygrid", "on", "zgrid", "on");
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55 endif
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57 if (nargout > 0)
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58 h = tmp;
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59 endif
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60
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61 endfunction