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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, 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 ## -*- 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 ## @seealso{semilogx, semilogy, loglog, polar, mesh, contour, __pltopt__ |
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30 ## bar, stairs, errorbar, gplot, gsplot, replot, xlabel, ylabel, and title} |
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31 |
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32 ## Created: 18.7.2000 |
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33 ## Author: Teemu Ikonen <tpikonen@pcu.helsinki.fi> |
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34 ## Keywords: errorbar, plotting |
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35 |
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36 function __errplot__ (varargin) |
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37 |
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38 nargs = nargin (); |
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39 |
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40 if (nargs < 3) # atleast two data arguments needed |
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41 usage ("__errplot__ (arg1, ..., fmt)"); |
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42 endif |
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43 |
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44 fstr = " "; |
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45 ndata = 0; |
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46 k = 1; |
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47 |
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48 while (nargs--) |
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49 a = varargin{k++}; |
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50 if (! isstr (a)) |
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51 ndata++; |
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52 eval (sprintf ("arg%d = a;", ndata)); |
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53 else |
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54 fstr = a; |
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55 endif |
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56 endwhile |
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57 |
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58 fmt = __pltopt__ ("__errplot__", fstr); |
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59 |
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60 nplots = size (arg1, 2); |
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61 len = size (arg1, 1); |
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62 |
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63 if (ndata == 2) |
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64 for i = 1:nplots, |
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65 tmp = [(1:len)', arg1(:,i), arg2(:,i)]; |
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66 cmd = sprintf ("gplot tmp %s", fmt(min(i, rows(fmt)), :)); |
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67 eval (cmd); |
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68 endfor |
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69 elseif (ndata == 3) |
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70 for i = 1:nplots, |
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71 tstr = "tmp =[arg1(:,i)"; |
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72 for j = 2:ndata, |
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73 tstr = [tstr, sprintf(", arg%d(:,i)", j)]; |
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74 endfor |
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75 tstr = [tstr, "];"]; |
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76 eval (tstr); |
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77 cmd = sprintf ("gplot tmp %s", fmt(min(i, rows(fmt)), :)); |
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78 eval (cmd); |
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79 endfor |
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80 elseif (ndata == 4) |
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81 for i = 1:nplots, # this is getting ugly |
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82 if (index (fmt, "boxxy") || index (fmt, "xyerr")) |
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83 tstr = "tmp = [arg1(:,i), arg2(:,i), arg3(:,i), arg4(:,i)];"; |
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84 elseif (index (fmt, "xerr")) |
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85 tstr = "tmp = [arg1(:,i), arg2(:,i), arg1(:,i)-arg3(:,i), arg1(:,i)+arg4(:,i)];"; |
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86 else |
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87 tstr = "tmp = [arg1(:,i), arg2(:,i), arg2(:,i)-arg3(:,i), arg2(:,i)+arg4(:,i)];"; |
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88 endif |
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89 eval (tstr); |
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90 cmd = sprintf ("gplot tmp %s", fmt(min(i, rows(fmt)), :)); |
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91 eval (cmd); |
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92 endfor |
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93 elseif (ndata == 6) |
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94 for i = 1:nplots, |
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95 tstr = "tmp = [arg1(:,i), arg2(:,i), arg1(:,i)-arg3(:,i), arg1(:,i)+arg4(:,i), arg2(:,i)-arg5(:,i), arg2(:,i)+arg6(:,i)];"; |
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96 eval (tstr); |
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97 cmd = sprintf ("gplot tmp %s", fmt(min(i, rows(fmt)), :)); |
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98 eval (cmd); |
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99 endfor |
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100 else |
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101 for i = 1:nplots, |
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102 tstr = "tmp = [arg1(:,i)"; |
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103 for j = 2:ndata, |
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104 tstr = [tstr, sprintf(", arg%d(:,i)", j)]; |
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105 endfor |
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106 tstr = [tstr, "];"]; |
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107 eval (tstr); |
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108 cmd = sprintf ("gplot tmp %s", fmt(min(i, rows(fmt)), :)); |
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109 eval (cmd); |
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110 endfor |
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111 endif |
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112 |
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113 endfunction |
