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1 ## Copyright (C) 2000, 2001, 2002 Teemu Ikonen |
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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} {} __errplot__ (@var{args}) |
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22 ## Really plot errorbar plots. User interface in function errorbar. |
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23 ## |
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24 ## @example |
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25 ## __errplot__ (@var{arg1}, @var{arg2}, ..., @var{fmt}) |
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26 ## @end example |
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27 ## |
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28 ## @end deftypefn |
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29 ## |
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30 ## @seealso{semilogx, semilogy, loglog, polar, mesh, contour, __pltopt__ |
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31 ## bar, stairs, errorbar, replot, xlabel, ylabel, and title} |
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32 |
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33 ## Created: 18.7.2000 |
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34 ## Author: Teemu Ikonen <tpikonen@pcu.helsinki.fi> |
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35 ## Keywords: errorbar, plotting |
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36 |
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37 function __errplot__ (fstr, a1, a2, a3, a4, a5, a6) |
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38 |
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39 __plot_globals__; |
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40 |
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41 if (nargin < 3 || nargin > 7) # at least three data arguments needed |
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42 usage ("__errplot__ (fmt, arg1, ...)"); |
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43 endif |
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44 |
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45 j = __plot_data_offset__(__current_figure__); |
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46 |
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47 fmt = __pltopt__ ("__errplot__", fstr); |
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48 |
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49 nplots = size (a1, 2); |
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50 len = size (a1, 1); |
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51 for i = 1:nplots |
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52 ifmt = fmt(1+mod(i,size(fmt,1)), :); |
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53 switch (nargin - 1) |
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54 case 2 |
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55 tmp = [(1:len)', a1(:,i), a2(:,i)]; |
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56 case 3 |
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57 tmp = [a1(:,i), a2(:,i), a3(:,i)]; |
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58 case 4 |
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59 if (index (ifmt, "boxxy") || index (ifmt, "xyerr")) |
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60 tmp = [a1(:,i), a2(:,i), a3(:,i), a4(:,i)]; |
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61 elseif (index (ifmt, "xerr")) |
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62 tmp = [a1(:,i), a2(:,i), a1(:,i)-a3(:,i), a1(:,i)+a4(:,i)]; |
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63 else |
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64 tmp = [a1(:,i), a2(:,i), a2(:,i)-a3(:,i), a2(:,i)+a4(:,i)]; |
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65 endif |
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66 case 5 |
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67 error ("error plot requires 2, 3, 4 or 6 columns"); |
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68 ## tmp = [a1(:,i), a2(:,i), a3(:,i), a4(:,i), a5(:,i)]; |
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69 case 6 |
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70 tmp = [a1(:,i), a2(:,i), ... |
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71 a1(:,i)-a3(:,i), a1(:,i)+a4(:,i), ... |
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72 a2(:,i)-a5(:,i), a2(:,i)+a6(:,i)]; |
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73 endswitch |
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74 |
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75 __plot_data__{__current_figure__}{j} = tmp; |
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76 |
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77 __plot_command__{__current_figure__} \ |
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78 = sprintf ("%s%s __plot_data__{__current_figure__}{%d} %s", |
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79 __plot_command__{__current_figure__}, |
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80 __plot_command_sep__, j, ifmt); |
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81 __plot_command_sep__ = ",\\\n"; |
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82 |
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83 j++; |
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84 |
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85 endfor |
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86 |
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87 __plot_data_offset__(__current_figure__) = j; |
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88 |
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89 if (! isempty (__plot_command__{__current_figure__})) |
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90 eval (__plot_command__{__current_figure__}); |
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91 endif |
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92 |
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93 endfunction |
