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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: 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 function subwindow (xn, yn) |
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30 |
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31 ## Written by Vinayak Dutt, Dutt.Vinayak@mayo.EDU 3 Jul 95 |
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32 |
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33 if (! gnuplot_has_multiplot) |
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34 error ("subwindow: gnuplot does not appear to support this feature"); |
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35 endif |
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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 |
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40 global multiplot_xsize multiplot_ysize |
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41 global multiplot_xn multiplot_yn |
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42 |
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43 ## check calling argument count |
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44 |
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45 if (nargin != 2) |
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46 usage ("subwindow (xn, yn)"); |
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47 endif |
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48 |
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49 ## check for scalar inputs |
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50 |
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51 if (! (is_scalar (xn) && is_scalar (yn))) |
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52 error ("subwindow: xn and yn have to be scalars"); |
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53 endif |
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54 |
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55 xn = round (xn); |
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56 yn = round (yn); |
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57 |
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58 ## switch to multiplot mode if not already in, and use the args as the |
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59 ## args to multiplot() |
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60 |
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61 if (multiplot_mode != 1) |
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62 multiplot (xn, yn); |
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63 return; |
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64 endif |
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65 |
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66 ## get the sub plot location |
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67 |
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68 if (xn < 1 || xn > multiplot_xn || yn < 1 || yn > multiplot_yn) |
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69 error ("subwindow: incorrect xn and yn"); |
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70 endif |
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71 |
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72 xo = (xn - 1.0)*multiplot_xsize; |
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73 yo = (multiplot_yn - yn)*multiplot_ysize; |
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74 |
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75 eval (sprintf ("set origin %g, %g", xo, yo)); |
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76 |
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77 endfunction |
