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1 ## Copyright (C) 1996, 1997 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} {} mplot (@var{x}, @var{y}) |
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22 ## @deftypefnx {Function File} {} mplot (@var{x}, @var{y}, @var{fmt}) |
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23 ## @deftypefnx {Function File} {} mplot (@var{x1}, @var{y1}, @var{x2}, @var{y2}) |
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24 ## This is a modified version of the @code{plot} function that works with |
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25 ## the multiplot version of @code{gnuplot} to plot multiple plots per page. |
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26 ## This plot version automatically advances to the next subplot position |
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27 ## after each set of arguments are processed. |
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28 ## |
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29 ## See the description of the @var{plot} function for the various options. |
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30 ## @end deftypefn |
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31 |
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32 ## Author: Vinayak Dutt <Dutt.Vinayak@mayo.EDU> |
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33 ## Adapted-By: jwe |
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34 |
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35 function mplot (varargin) |
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36 |
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37 ## global variables to keep track of multiplot options |
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38 |
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39 global __multiplot_mode__ = 0; |
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40 global __multiplot_xsize__; |
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41 global __multiplot_ysize__; |
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42 global __multiplot_xn__; |
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43 global __multiplot_yn__; |
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44 global __multiplot_xi__; |
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45 global __multiplot_yi__; |
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46 |
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47 __gnuplot_raw__ ("set nologscale;\n"); |
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48 __gnuplot_raw__ ("set nopolar;\n"); |
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49 |
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50 __plt__ ("plot", varargin{:}); |
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51 |
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52 ## update the plot position |
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53 |
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54 if (__multiplot_mode__) |
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55 |
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56 if (__multiplot_xi__ < __multiplot_xn__) |
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57 __multiplot_xi__++; |
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58 else |
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59 __multiplot_xi__ = 1; |
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60 if (__multiplot_yi__ < __multiplot_yn__) |
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61 __multiplot_yi__++; |
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62 else |
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63 __multiplot_yi__ = 1; |
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64 endif |
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65 endif |
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66 |
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67 xo = (__multiplot_xi__ - 1.0) * __multiplot_xsize__; |
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68 yo = (__multiplot_yn__ - __multiplot_yi__) * __multiplot_ysize__; |
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69 |
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70 __gnuplot_raw__ (sprintf ("set origin %g, %g;\n", xo, yo)); |
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71 |
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72 endif |
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73 |
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74 endfunction |
