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maint: Update copyright notices for 2015.
author John W. Eaton <jwe@octave.org>
date Wed, 11 Feb 2015 14:19:08 -0500
parents d63878346099
children 9fc020886ae9
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19898
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1 ## Copyright (C) 2005-2015 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 3 of the License, or (at
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8 ## your option) 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, see
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17 ## <http://www.gnu.org/licenses/>.
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18
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19 ## -*- texinfo -*-
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20 ## @deftypefn {Function File} {@var{h} =} __line__ (@var{p}, @dots{})
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21 ## Undocumented internal function.
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22 ## @end deftypefn
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23
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24 ## __line__ (p, x, y, z)
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25 ## Create line object from x, y, and z with parent p.
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26 ## Return handle to line object.
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27
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28 ## Author: jwe
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29
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30 function h = __line__ (p, varargin)
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31
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32 nvargs = numel (varargin);
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33
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34 if (nvargs > 1 && ! ischar (varargin{1}) && ! ischar (varargin{2}))
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35 if (nvargs > 2 && ! ischar (varargin{3}))
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36 num_data_args = 3;
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37 else
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38 num_data_args = 2;
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39 endif
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40 else
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41 num_data_args = 0;
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42 endif
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43
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44 if (num_data_args > 0 && ! size_equal (varargin{1:num_data_args}))
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45 n = 1:num_data_args;
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46 m = cellfun (@numel, varargin(1:num_data_args));
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47 [~, m] = max (m);
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48 b = ones (size (varargin{m(1)}));
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49 try
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50 varargin(n) = cellfun (@(x) bsxfun (@times, b, x), varargin(n), "uniformoutput", false);
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51 catch
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52 error ("line: number of X, Y, and Z points must be equal");
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53 end_try_catch
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54 endif
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55
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56 if (rem (nvargs - num_data_args, 2) != 0)
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57 error ("line: invalid number of PROPERTY / VALUE pairs");
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58 endif
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59
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60 other_args = {};
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61 if (nvargs > num_data_args)
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62 other_args = varargin(num_data_args+1:end);
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63 endif
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64
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65 nlines = 0;
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66 nvecpts = 0;
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67 ismat = false (1, 3);
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68 for i = 1:num_data_args
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69 tmp = varargin{i}(:,:);
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70 if (isvector (tmp))
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71 nlines = max (1, nlines);
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72 if (! isscalar (tmp))
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73 if (nvecpts == 0)
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74 nvecpts = numel (tmp);
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75 elseif (nvecpts != numel (tmp))
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76 error ("line: data size mismatch");
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77 endif
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78 endif
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79 else
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80 ismat(i) = true;
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81 nlines = max (columns (tmp), nlines);
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82 endif
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83 varargin{i} = tmp;
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84 endfor
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85
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86 if (num_data_args == 0)
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87 varargin = {[0, 1], [0, 1]};
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88 num_data_args = 2;
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89 nlines = 1;
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90 endif
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91
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92 handles = zeros (nlines, 1);
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93
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94 data = cell (1, 3);
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95
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96 if (num_data_args > 1)
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97 data(1:num_data_args) = varargin(1:num_data_args);
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98 for i = 1:num_data_args
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99 if (islogical (data{i}))
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100 data(i) = double (data{i});
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101 elseif (iscomplex (data{i}))
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102 data(i) = real (data{i});
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103 endif
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104 endfor
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105 endif
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106
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107 data_args = reshape ({"xdata", "ydata", "zdata"; data{:}}, [1, 6]);
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108 mask = reshape ([false(1,3); ismat], [1, 6]);
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109
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110 for i = 1:nlines
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111 tmp = data(ismat);
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112 if (! size_equal (tmp)
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113 || (nvecpts != 0 && any (nvecpts != cellfun ("size", tmp, 1))))
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114 error ("line: data size_mismatch");
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115 endif
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116 data_args(mask) = cellfun (@(x) x(:,i), data(ismat),
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117 "uniformoutput", false);
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118
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119 handles(i) = __go_line__ (p, data_args{:}, other_args{:});
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120
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121 endfor
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122
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123 if (nargout > 0)
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124 h = handles;
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125 endif
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126
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127 endfunction
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128