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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: plot_border (...) |
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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 ## Multiple arguments allowed to specify the sides on which the border |
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26 ## is shown. allowed strings: |
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27 ## |
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28 ## allowed input strings: |
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29 ## |
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30 ## "blank", "BLANK", "b", "B", ---> No borders displayed |
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31 ## "all", "ALL", "a", "A", ---> All borders displayed |
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32 ## "north", "NORTH", "n", "N", ---> North Border |
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33 ## "south", "SOUTH", "s", "S", ---> South Border |
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34 ## "east", "EAST", "e", "E", ---> East Border |
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35 ## "west", "WEST", "w", "W", ---> West Border |
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36 ## |
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37 ## Without any arguments, turns borders off. |
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38 |
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39 ## Author: Vinayak Dutt <Dutt.Vinayak@mayo.EDU> |
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40 ## Created: 3 July 95 |
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41 ## Adapted-By: jwe |
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42 |
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43 function plot_border (...) |
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44 |
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45 if (! gnuplot_has_multiplot) |
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46 error ("plot_border: gnuplot does not appear to support this feature"); |
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47 endif |
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48 |
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49 south = 0; |
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50 west = 0; |
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51 north = 0; |
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52 east = 0; |
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53 all = 0; |
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54 none = 1; |
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55 |
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56 va_start (); |
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57 |
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58 while (nargin--) |
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59 |
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60 arg = va_arg (); |
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61 |
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62 if (! isstr (arg)) |
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63 error ("plot_border: input not a string"); |
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64 endif |
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65 |
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66 ## The effect of the arguments in cumulative. If something is found |
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67 ## after "b", do that and ignore "b". |
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68 |
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69 if (strcmp (arg, "blank") || strcmp (arg, "BLANK") |
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70 || strcmp (arg, "b") || strcmp (arg, "B")) |
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71 none = 1; |
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72 else |
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73 none = 0; |
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74 if (strcmp (arg, "south") || strcmp (arg, "SOUTH") |
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75 || strcmp (arg, "s") || strcmp (arg, "S")) |
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76 south = 1; |
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77 elseif (strcmp (arg, "west") || strcmp (arg, "WEST") |
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78 || strcmp (arg, "w") || strcmp (arg, "W")) |
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79 west = 2; |
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80 elseif (strcmp (arg, "north") || strcmp (arg, "NORTH") |
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81 || strcmp (arg, "n") || strcmp (arg, "N")) |
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82 north = 4; |
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83 elseif (strcmp (arg, "east") || strcmp (arg, "EAST") |
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84 || strcmp (arg, "e") || strcmp (arg, "E")) |
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85 east = 8; |
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86 elseif (strcmp (arg, "all") || strcmp (arg, "ALL") |
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87 || strcmp (arg, "a") || strcmp (arg, "A")) |
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88 all = 1; |
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89 endif |
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90 endif |
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91 endwhile |
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92 |
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93 if (none) |
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94 gset noborder; |
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95 else |
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96 if (all) |
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97 border = 15; |
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98 else |
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99 border = south + west + north + east; |
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100 endif |
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101 eval (sprintf ("gset border %d", border)); |
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102 endif |
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103 |
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104 endfunction |
