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1 ## Copyright (C) 1996 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, 59 Temple Place - Suite 330, Boston, MA |
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18 ## 02111-1307, USA. |
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19 |
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20 ## usage: mplot (x, y) |
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21 ## mplot (x1, y1, x2, y2, ...) |
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22 ## mplot (x, y, fmt) |
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23 ## |
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24 ## This is a modified version of plot() command to work with |
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25 ## multiplot version of gnuplot to plot multiple plots per page. |
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26 ## This plot version automatically updates the plot position to |
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27 ## next plot position after making the plot in the given subplot |
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28 ## position. |
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29 ## |
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30 ## See command plot() for the various options to this command |
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31 ## as this is just mulitplot version of the same command. |
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32 |
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33 ## Author: Vinayak Dutt <Dutt.Vinayak@mayo.EDU> |
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34 ## Adapted-By: jwe |
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35 |
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36 function mplot (...) |
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37 |
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38 if (! gnuplot_has_multiplot) |
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39 error ("mplot: gnuplot does not appear to support this feature"); |
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40 endif |
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41 |
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42 ## global variables to keep track of multiplot options |
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43 |
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44 global multiplot_mode |
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45 global multiplot_xsize multiplot_ysize |
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46 global multiplot_xn multiplot_yn |
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47 global multiplot_xi multiplot_yi |
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48 |
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49 ## This is a real kludge. We gnuplot should be made so that replot can |
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50 ## be executed while doing multiple plots... |
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51 |
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52 global multiplot_save_auto_replot = automatic_replot |
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53 |
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54 if ((isstr (automatic_replot) && strcmp (automatic_replot,"true")) |
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55 || automatic_replot) |
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56 warning ("turning off automatic replot for multiplot mode"); |
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57 multiplot_save_auto_replot = automatic_replot; |
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58 automatic_replot = 0; |
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59 endif |
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60 |
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61 set nologscale; |
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62 set nopolar; |
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63 |
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64 __plt__ ("plot", all_va_args); |
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65 |
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66 ## update the plot position |
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67 |
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68 if (multiplot_mode) |
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69 |
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70 if (multiplot_xi < multiplot_xn) |
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71 multiplot_xi++; |
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72 else |
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73 multiplot_xi = 1; |
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74 if (multiplot_yi < multiplot_xn) |
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75 multiplot_yi++; |
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76 else |
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77 multiplot_yi = 1; |
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78 endif |
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79 endif |
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80 |
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81 xo = (multiplot_xi - 1.0)*multiplot_xsize; |
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82 yo = (multiplot_yn - multiplot_yi)*multiplot_ysize; |
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83 |
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84 eval (sprintf ("set origin %g, %g", xo,yo)); |
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85 |
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86 endif |
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87 |
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88 endfunction |
