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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, 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: subwindow (xn, yn) |
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21 ## |
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22 ## NOTE: this will work only with gnuplot installed with |
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23 ## multiplot patch |
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24 ## |
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25 ## Sets subwindow position in multiplot mode for next plot. The |
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26 ## multiplot mode has to be previously initialized using multiplot() |
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27 ## command, else this command just becomes an aliad to multiplot() |
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28 |
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29 ## Author: Vinayak Dutt <Dutt.Vinayak@mayo.EDU> |
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30 ## Created: 3 July 95 |
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31 ## Adapted-By: jwe |
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32 |
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33 function subwindow (xn, yn) |
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34 |
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35 if (! gnuplot_has_multiplot) |
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36 error ("subwindow: gnuplot does not appear to support this feature"); |
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37 endif |
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38 |
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39 ## global variables to keep track of multiplot options |
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40 |
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41 global __multiplot_mode__ = 0; |
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42 global __multiplot_xsize__; |
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43 global __multiplot_ysize__; |
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44 global __multiplot_xn__; |
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45 global __multiplot_yn__; |
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46 |
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47 ## check calling argument count |
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48 |
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49 if (nargin != 2) |
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50 usage ("subwindow (xn, yn)"); |
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51 endif |
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52 |
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53 ## check for scalar inputs |
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54 |
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55 if (! (is_scalar (xn) && is_scalar (yn))) |
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56 error ("subwindow: xn and yn have to be scalars"); |
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57 endif |
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58 |
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59 xn = round (xn); |
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60 yn = round (yn); |
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61 |
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62 ## switch to multiplot mode if not already in, and use the args as the |
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63 ## args to multiplot() |
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64 |
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65 if (! __multiplot_mode__) |
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66 multiplot (xn, yn); |
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67 return; |
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68 endif |
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69 |
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70 ## get the sub plot location |
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71 |
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72 if (xn < 1 || xn > __multiplot_xn__ || yn < 1 || yn > __multiplot_yn__) |
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73 error ("subwindow: incorrect xn and yn"); |
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74 endif |
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75 |
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76 xo = (xn - 1.0) * __multiplot_xsize__; |
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77 yo = (__multiplot_yn__ - yn) * __multiplot_ysize__; |
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78 |
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79 eval (sprintf ("gset origin %g, %g", xo, yo)); |
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80 |
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81 endfunction |
