Mercurial > hg > octave-nkf

annotate scripts/plot/plotyy.m @ 12118:973f585cfdf2 release-3-2-x

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include PTHREAD_CFLAGS in LINK_DEPS for liboctave
author Jaroslav Hajek <highegg@gmail.com>
date Fri, 22 Jan 2010 10:21:33 +0100
parents f944142010ce
children 335dc62068a8
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rev   line source
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eb63fbe60fab update copyright notices
John W. Eaton <jwe@octave.org>
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1 ## Copyright (C) 2007, 2008, 2009 David Bateman
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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} {} plotyy (@var{x1}, @var{y1}, @var{x2}, @var{y2})
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21 ## @deftypefnx {Function File} {} plotyy (@dots{}, @var{fun})
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22 ## @deftypefnx {Function File} {} plotyy (@dots{}, @var{fun1}, @var{fun2})
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23 ## @deftypefnx {Function File} {} plotyy (@var{h}, @dots{})
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24 ## @deftypefnx {Function File} {[@var{ax}, @var{h1}, @var{h2}] =} plotyy (@dots{})
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25 ## Plots two sets of data with independent y-axes. The arguments @var{x1} and
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26 ## @var{y1} define the arguments for the first plot and @var{x1} and @var{y2}
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27 ## for the second.
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28 ##
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29 ## By default the arguments are evaluated with
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30 ## @code{feval (@@plot, @var{x}, @var{y})}. However the type of plot can be
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31 ## modified with the @var{fun} argument, in which case the plots are
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32 ## generated by @code{feval (@var{fun}, @var{x}, @var{y})}. @var{fun} can be
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33 ## a function handle, an inline function or a string of a function name.
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34 ##
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35 ## The function to use for each of the plots can be independently defined
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36 ## with @var{fun1} and @var{fun2}.
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37 ##
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38 ## If given, @var{h} defines the principal axis in which to plot the @var{x1}
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39 ## and @var{y1} data. The return value @var{ax} is a two element vector with
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40 ## the axis handles of the two plots. @var{h1} and @var{h2} are handles to
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41 ## the objects generated by the plot commands.
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42 ##
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43 ## @example
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44 ## @group
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45 ## x = 0:0.1:2*pi;
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46 ## y1 = sin (x);
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47 ## y2 = exp (x - 1);
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48 ## ax = plotyy (x, y1, x - 1, y2, @@plot, @@semilogy);
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49 ## xlabel ("X");
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50 ## ylabel (ax(1), "Axis 1");
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51 ## ylabel (ax(2), "Axis 2");
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52 ## @end group
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53 ## @end example
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54 ## @end deftypefn
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55
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56 function [Ax, H1, H2] = plotyy (varargin)
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57
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58 ## Don't use __plt_get_axis_arg__ here as ax is a two vector for plotyy
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59 if (nargin > 1 && length (varargin{1}) == 2 && ishandle(varargin{1}(1))
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60 && ishandle(varargin{1}(2)) &&
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61 all (floor (varargin{1}) != varargin{1}))
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62 obj1 = get (varargin{1}(1));
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63 obj2 = get (varargin{1}(2));
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64 if (strcmp (obj1.type, "axes") || strcmp (obj2.type, "axes"))
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65 ax = [obj1, obj2];
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66 varargin(1) = [];
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67 if (isempty (varargin))
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68 varargin = {};
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69 endif
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70 else
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71 error ("plotyy: expecting first argument to be axes handle");
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72 endif
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73 else
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74 f = get (0, "currentfigure");
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75 if (isempty (f))
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76 f = figure ();
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77 endif
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78 ca = get (f, "currentaxes");
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79 if (isempty (ca))
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80 ax = [];
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81 elseif (strcmp (get (ca, "tag"), "plotyy"));
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82 ax = get (ca, "__plotyy_axes__");
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83 else
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84 ax = ca;
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85 endif
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86 if (length (ax) > 2)
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87 for i = 3 : length (ax)
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88 delete (ax (i));
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89 endfor
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90 ax = ax(1:2);
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91 elseif (length (ax) == 1)
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92 ax(2) = axes ();
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93 elseif (isempty (ax))
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94 ax(1) = axes ();
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95 ax(2) = axes ();
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96 endif
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97 if (nargin < 2)
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98 varargin = {};
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99 endif
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100 endif
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101
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102 if (nargin < 4)
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103 print_usage ();
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104 endif
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105
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106 oldh = gca ();
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107 unwind_protect
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108 [ax, h1, h2] = __plotyy__ (ax, varargin{:});
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109 unwind_protect_cleanup
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110 ## Only change back to the old axis if we didn't delete it
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111 if (ishandle(oldh) && strcmp (get (oldh, "type"), "axes"))
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112 axes (oldh);
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113 endif
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114 end_unwind_protect
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115
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116 if (nargout > 0)
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117 Ax = ax;
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118 H1 = h1;
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119 H2 = h2;
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120 endif
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121
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122 endfunction
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123
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124 function [ax, h1, h2] = __plotyy__ (ax, x1, y1, x2, y2, varargin)
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125 if (nargin > 5)
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126 fun1 = varargin{1};
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127 else
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128 fun1 = @plot;
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129 endif
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130 if (nargin > 6)
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131 fun2 = varargin{2};
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132 else
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133 fun2 = fun1;
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134 endif
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135
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136 xlim = [min([x1(:); x2(:)]), max([x1(:); x2(:)])];
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137
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138 if (ishandle(ax(1)) && strcmp (get (ax(1), "type"), "axes"))
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139 axes (ax(1));
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140 else
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141 ax(1) = axes ();
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142 endif
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143 newplot ();
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144 h1 = feval (fun1, x1, y1);
7220
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145
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146 set (ax(1), "ycolor", getcolor (h1(1)));
7195
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147 set (ax(1), "xlim", xlim);
97d2da8ed746 [project @ 2007-11-26 23:13:40 by dbateman]
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148
97d2da8ed746 [project @ 2007-11-26 23:13:40 by dbateman]
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149 cf = gcf ();
97d2da8ed746 [project @ 2007-11-26 23:13:40 by dbateman]
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150 set (cf, "nextplot", "add");
8237
52f2fba4f3f8 Test that an axis handle actually is one before setting it in plotyy
David Bateman <dbateman@free.fr>
parents: 8208
diff changeset
151
52f2fba4f3f8 Test that an axis handle actually is one before setting it in plotyy
David Bateman <dbateman@free.fr>
parents: 8208
diff changeset
152 if (ishandle(ax(2)) && strcmp (get (ax(2), "type"), "axes"))
52f2fba4f3f8 Test that an axis handle actually is one before setting it in plotyy
David Bateman <dbateman@free.fr>
parents: 8208
diff changeset
153 axes (ax(2));
52f2fba4f3f8 Test that an axis handle actually is one before setting it in plotyy
David Bateman <dbateman@free.fr>
parents: 8208
diff changeset
154 else
52f2fba4f3f8 Test that an axis handle actually is one before setting it in plotyy
David Bateman <dbateman@free.fr>
parents: 8208
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155 ax(2) = axes ();
52f2fba4f3f8 Test that an axis handle actually is one before setting it in plotyy
David Bateman <dbateman@free.fr>
parents: 8208
diff changeset
156 endif
7665
aead4b9d026b Fix axis handle treatment in plotyy
David Bateman <dbateman@free.fr>
parents: 7314
diff changeset
157 newplot ();
aead4b9d026b Fix axis handle treatment in plotyy
David Bateman <dbateman@free.fr>
parents: 7314
diff changeset
158
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159 colors = get (ax(1), "colororder");
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160 set (ax(2), "colororder", [colors(2:end,:); colors(1,:)]);
97d2da8ed746 [project @ 2007-11-26 23:13:40 by dbateman]
dbateman
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161
97d2da8ed746 [project @ 2007-11-26 23:13:40 by dbateman]
dbateman
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diff changeset
162 h2 = feval (fun2, x2, y2);
7206
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jwe
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diff changeset
163 set (ax(2), "yaxislocation", "right");
7220
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164 set (ax(2), "ycolor", getcolor (h2(1)));
7240
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165 set (ax(2), "position", get (ax(1), "position"));
7195
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166 set (ax(2), "xlim", xlim);
7240
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parents: 7220
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167 set (ax(2), "color", "none");
8208
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parents: 8102
diff changeset
168
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parents: 8102
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169 ## Add invisible text objects that when destroyed,
f6ca8ff51818 [mq]: graphics-backend
John W. Eaton <jwe@octave.org>
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170 ## also remove the other axis
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parents: 8102
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171 t1 = text (0, 0, "", "parent", ax(1), "tag", "plotyy",
f6ca8ff51818 [mq]: graphics-backend
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172 "handlevisibility", "off", "visible", "off",
f6ca8ff51818 [mq]: graphics-backend
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parents: 8102
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173 "xliminclude", "off", "yliminclude", "off");
f6ca8ff51818 [mq]: graphics-backend
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parents: 8102
diff changeset
174 t2 = text (0, 0, "", "parent", ax(2), "tag", "plotyy",
f6ca8ff51818 [mq]: graphics-backend
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175 "handlevisibility", "off", "visible", "off",
f6ca8ff51818 [mq]: graphics-backend
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parents: 8102
diff changeset
176 "xliminclude", "off", "yliminclude", "off");
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parents: 8102
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177
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parents: 8102
diff changeset
178 set (t1, "deletefcn", {@deleteplotyy, ax(2), t2});
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parents: 8102
diff changeset
179 set (t2, "deletefcn", {@deleteplotyy, ax(1), t1});
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180
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parents: 8102
diff changeset
181 addlistener (ax(1), "position", {@update_position, ax(2)});
f6ca8ff51818 [mq]: graphics-backend
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parents: 8102
diff changeset
182 addlistener (ax(2), "position", {@update_position, ax(1)});
f6ca8ff51818 [mq]: graphics-backend
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parents: 8102
diff changeset
183 addlistener (ax(1), "view", {@update_position, ax(2)});
f6ca8ff51818 [mq]: graphics-backend
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parents: 8102
diff changeset
184 addlistener (ax(2), "view", {@update_position, ax(1)});
11994
f944142010ce plotyy.m: Fix compatibility with subplot.
Ben Abbott <bpabbott@mac.com>
parents: 11993
diff changeset
185 addlistener (ax(1), "dataaspectratio", {@update_position, ax(2)});
f944142010ce plotyy.m: Fix compatibility with subplot.
Ben Abbott <bpabbott@mac.com>
parents: 11993
diff changeset
186 addlistener (ax(2), "dataaspectratio", {@update_position, ax(1)});
8208
f6ca8ff51818 [mq]: graphics-backend
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diff changeset
187
f6ca8ff51818 [mq]: graphics-backend
John W. Eaton <jwe@octave.org>
parents: 8102
diff changeset
188 ## Tag the plotyy axes, so we can use that information
f6ca8ff51818 [mq]: graphics-backend
John W. Eaton <jwe@octave.org>
parents: 8102
diff changeset
189 ## not to mirror the y axis tick marks
f6ca8ff51818 [mq]: graphics-backend
John W. Eaton <jwe@octave.org>
parents: 8102
diff changeset
190 set (ax, "tag", "plotyy")
f6ca8ff51818 [mq]: graphics-backend
John W. Eaton <jwe@octave.org>
parents: 8102
diff changeset
191
11994
f944142010ce plotyy.m: Fix compatibility with subplot.
Ben Abbott <bpabbott@mac.com>
parents: 11993
diff changeset
192 ## Store the axes handles for the sister axes.
f944142010ce plotyy.m: Fix compatibility with subplot.
Ben Abbott <bpabbott@mac.com>
parents: 11993
diff changeset
193 addproperty ("__plotyy_axes__", ax(1), "data", ax);
f944142010ce plotyy.m: Fix compatibility with subplot.
Ben Abbott <bpabbott@mac.com>
parents: 11993
diff changeset
194 addproperty ("__plotyy_axes__", ax(2), "data", ax);
f944142010ce plotyy.m: Fix compatibility with subplot.
Ben Abbott <bpabbott@mac.com>
parents: 11993
diff changeset
195
8208
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diff changeset
196 endfunction
f6ca8ff51818 [mq]: graphics-backend
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diff changeset
197
f6ca8ff51818 [mq]: graphics-backend
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parents: 8102
diff changeset
198 %!demo
8790
a013ff655ca4 Trivial changes to demos to produce a more pleasant output for octave+gnuplot+aquaterm.
Ben Abbott <bpabbott@mac.com>
parents: 8769
diff changeset
199 %! clf
8208
f6ca8ff51818 [mq]: graphics-backend
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parents: 8102
diff changeset
200 %! x = 0:0.1:2*pi;
f6ca8ff51818 [mq]: graphics-backend
John W. Eaton <jwe@octave.org>
parents: 8102
diff changeset
201 %! y1 = sin (x);
f6ca8ff51818 [mq]: graphics-backend
John W. Eaton <jwe@octave.org>
parents: 8102
diff changeset
202 %! y2 = exp (x - 1);
f6ca8ff51818 [mq]: graphics-backend
John W. Eaton <jwe@octave.org>
parents: 8102
diff changeset
203 %! ax = plotyy (x, y1, x - 1, y2, @plot, @semilogy);
f6ca8ff51818 [mq]: graphics-backend
John W. Eaton <jwe@octave.org>
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diff changeset
204 %! xlabel ("X");
f6ca8ff51818 [mq]: graphics-backend
John W. Eaton <jwe@octave.org>
parents: 8102
diff changeset
205 %! ylabel (ax(1), "Axis 1");
f6ca8ff51818 [mq]: graphics-backend
John W. Eaton <jwe@octave.org>
parents: 8102
diff changeset
206 %! ylabel (ax(2), "Axis 2");
f6ca8ff51818 [mq]: graphics-backend
John W. Eaton <jwe@octave.org>
parents: 8102
diff changeset
207
11994
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Ben Abbott <bpabbott@mac.com>
parents: 11993
diff changeset
208 %!demo
f944142010ce plotyy.m: Fix compatibility with subplot.
Ben Abbott <bpabbott@mac.com>
parents: 11993
diff changeset
209 %! clf
f944142010ce plotyy.m: Fix compatibility with subplot.
Ben Abbott <bpabbott@mac.com>
parents: 11993
diff changeset
210 %! x = linspace (-1, 1, 201);
f944142010ce plotyy.m: Fix compatibility with subplot.
Ben Abbott <bpabbott@mac.com>
parents: 11993
diff changeset
211 %! subplot (2, 2, 1)
f944142010ce plotyy.m: Fix compatibility with subplot.
Ben Abbott <bpabbott@mac.com>
parents: 11993
diff changeset
212 %! plotyy (x, sin(pi*x), x, 10*cos(pi*x))
f944142010ce plotyy.m: Fix compatibility with subplot.
Ben Abbott <bpabbott@mac.com>
parents: 11993
diff changeset
213 %! subplot (2, 2, 2)
f944142010ce plotyy.m: Fix compatibility with subplot.
Ben Abbott <bpabbott@mac.com>
parents: 11993
diff changeset
214 %! surf (peaks (25))
f944142010ce plotyy.m: Fix compatibility with subplot.
Ben Abbott <bpabbott@mac.com>
parents: 11993
diff changeset
215 %! subplot (2, 2, 3)
f944142010ce plotyy.m: Fix compatibility with subplot.
Ben Abbott <bpabbott@mac.com>
parents: 11993
diff changeset
216 %! contour (peaks (25))
f944142010ce plotyy.m: Fix compatibility with subplot.
Ben Abbott <bpabbott@mac.com>
parents: 11993
diff changeset
217 %! subplot (2, 2, 4)
f944142010ce plotyy.m: Fix compatibility with subplot.
Ben Abbott <bpabbott@mac.com>
parents: 11993
diff changeset
218 %! plotyy (x, 10*sin(2*pi*x), x, cos(2*pi*x))
f944142010ce plotyy.m: Fix compatibility with subplot.
Ben Abbott <bpabbott@mac.com>
parents: 11993
diff changeset
219 %! axis square
f944142010ce plotyy.m: Fix compatibility with subplot.
Ben Abbott <bpabbott@mac.com>
parents: 11993
diff changeset
220
8208
f6ca8ff51818 [mq]: graphics-backend
John W. Eaton <jwe@octave.org>
parents: 8102
diff changeset
221 function deleteplotyy (h, d, ax2, t2)
f6ca8ff51818 [mq]: graphics-backend
John W. Eaton <jwe@octave.org>
parents: 8102
diff changeset
222 if (ishandle (ax2) && strcmp (get (ax2, "type"), "axes") &&
f6ca8ff51818 [mq]: graphics-backend
John W. Eaton <jwe@octave.org>
parents: 8102
diff changeset
223 (isempty (gcbf()) || strcmp (get (gcbf(), "beingdeleted"),"off")) &&
f6ca8ff51818 [mq]: graphics-backend
John W. Eaton <jwe@octave.org>
parents: 8102
diff changeset
224 strcmp (get (ax2, "beingdeleted"), "off"))
f6ca8ff51818 [mq]: graphics-backend
John W. Eaton <jwe@octave.org>
parents: 8102
diff changeset
225 set (t2, "deletefcn", []);
f6ca8ff51818 [mq]: graphics-backend
John W. Eaton <jwe@octave.org>
parents: 8102
diff changeset
226 delete (ax2);
f6ca8ff51818 [mq]: graphics-backend
John W. Eaton <jwe@octave.org>
parents: 8102
diff changeset
227 endif
f6ca8ff51818 [mq]: graphics-backend
John W. Eaton <jwe@octave.org>
parents: 8102
diff changeset
228 endfunction
f6ca8ff51818 [mq]: graphics-backend
John W. Eaton <jwe@octave.org>
parents: 8102
diff changeset
229
f6ca8ff51818 [mq]: graphics-backend
John W. Eaton <jwe@octave.org>
parents: 8102
diff changeset
230 function update_position (h, d, ax2)
f6ca8ff51818 [mq]: graphics-backend
John W. Eaton <jwe@octave.org>
parents: 8102
diff changeset
231 persistent recursion = false;
f6ca8ff51818 [mq]: graphics-backend
John W. Eaton <jwe@octave.org>
parents: 8102
diff changeset
232
f6ca8ff51818 [mq]: graphics-backend
John W. Eaton <jwe@octave.org>
parents: 8102
diff changeset
233 ## Don't allow recursion
f6ca8ff51818 [mq]: graphics-backend
John W. Eaton <jwe@octave.org>
parents: 8102
diff changeset
234 if (! recursion)
f6ca8ff51818 [mq]: graphics-backend
John W. Eaton <jwe@octave.org>
parents: 8102
diff changeset
235 unwind_protect
f6ca8ff51818 [mq]: graphics-backend
John W. Eaton <jwe@octave.org>
parents: 8102
diff changeset
236 recursion = true;
f6ca8ff51818 [mq]: graphics-backend
John W. Eaton <jwe@octave.org>
parents: 8102
diff changeset
237 position = get (h, "position");
f6ca8ff51818 [mq]: graphics-backend
John W. Eaton <jwe@octave.org>
parents: 8102
diff changeset
238 view = get (h, "view");
11994
f944142010ce plotyy.m: Fix compatibility with subplot.
Ben Abbott <bpabbott@mac.com>
parents: 11993
diff changeset
239 dataaspectratio = get (h, "dataaspectratio");
8208
f6ca8ff51818 [mq]: graphics-backend
John W. Eaton <jwe@octave.org>
parents: 8102
diff changeset
240 oldposition = get (ax2, "position");
f6ca8ff51818 [mq]: graphics-backend
John W. Eaton <jwe@octave.org>
parents: 8102
diff changeset
241 oldview = get (ax2, "view");
11994
f944142010ce plotyy.m: Fix compatibility with subplot.
Ben Abbott <bpabbott@mac.com>
parents: 11993
diff changeset
242 olddataaspectratio = get (ax2, "dataaspectratio");
f944142010ce plotyy.m: Fix compatibility with subplot.
Ben Abbott <bpabbott@mac.com>
parents: 11993
diff changeset
243 if (! (isequal (position, oldposition)
f944142010ce plotyy.m: Fix compatibility with subplot.
Ben Abbott <bpabbott@mac.com>
parents: 11993
diff changeset
244 && isequal (view, oldview)
f944142010ce plotyy.m: Fix compatibility with subplot.
Ben Abbott <bpabbott@mac.com>
parents: 11993
diff changeset
245 && isequal (dataaspectratio, olddataaspectratio)))
f944142010ce plotyy.m: Fix compatibility with subplot.
Ben Abbott <bpabbott@mac.com>
parents: 11993
diff changeset
246 set (ax2, "position", position,
f944142010ce plotyy.m: Fix compatibility with subplot.
Ben Abbott <bpabbott@mac.com>
parents: 11993
diff changeset
247 "view", view,
f944142010ce plotyy.m: Fix compatibility with subplot.
Ben Abbott <bpabbott@mac.com>
parents: 11993
diff changeset
248 "dataaspectratio", dataaspectratio);
8208
f6ca8ff51818 [mq]: graphics-backend
John W. Eaton <jwe@octave.org>
parents: 8102
diff changeset
249 endif
f6ca8ff51818 [mq]: graphics-backend
John W. Eaton <jwe@octave.org>
parents: 8102
diff changeset
250 unwind_protect_cleanup
f6ca8ff51818 [mq]: graphics-backend
John W. Eaton <jwe@octave.org>
parents: 8102
diff changeset
251 recursion = false;
f6ca8ff51818 [mq]: graphics-backend
John W. Eaton <jwe@octave.org>
parents: 8102
diff changeset
252 end_unwind_protect
f6ca8ff51818 [mq]: graphics-backend
John W. Eaton <jwe@octave.org>
parents: 8102
diff changeset
253 endif
7195
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dbateman
parents:
diff changeset
254 endfunction
7220
66081694ffb8 [project @ 2007-11-29 23:14:07 by jwe]
jwe
parents: 7216
diff changeset
255
66081694ffb8 [project @ 2007-11-29 23:14:07 by jwe]
jwe
parents: 7216
diff changeset
256 function color = getcolor (ax)
66081694ffb8 [project @ 2007-11-29 23:14:07 by jwe]
jwe
parents: 7216
diff changeset
257 obj = get (ax);
66081694ffb8 [project @ 2007-11-29 23:14:07 by jwe]
jwe
parents: 7216
diff changeset
258 if (isfield (obj, "color"))
66081694ffb8 [project @ 2007-11-29 23:14:07 by jwe]
jwe
parents: 7216
diff changeset
259 color = obj.color;
66081694ffb8 [project @ 2007-11-29 23:14:07 by jwe]
jwe
parents: 7216
diff changeset
260 elseif (isfield (obj, "facecolor") && ! ischar (obj.facecolor))
66081694ffb8 [project @ 2007-11-29 23:14:07 by jwe]
jwe
parents: 7216
diff changeset
261 color = obj.facecolor;
66081694ffb8 [project @ 2007-11-29 23:14:07 by jwe]
jwe
parents: 7216
diff changeset
262 elseif (isfield (obj, "edgecolor") && ! ischar (obj.edgecolor))
66081694ffb8 [project @ 2007-11-29 23:14:07 by jwe]
jwe
parents: 7216
diff changeset
263 color = obj.edgecolor;
66081694ffb8 [project @ 2007-11-29 23:14:07 by jwe]
jwe
parents: 7216
diff changeset
264 else
66081694ffb8 [project @ 2007-11-29 23:14:07 by jwe]
jwe
parents: 7216
diff changeset
265 color = [0, 0, 0];
66081694ffb8 [project @ 2007-11-29 23:14:07 by jwe]
jwe
parents: 7216
diff changeset
266 endif
66081694ffb8 [project @ 2007-11-29 23:14:07 by jwe]
jwe
parents: 7216
diff changeset
267 endfunction
7245
d65670971cbc [project @ 2007-12-04 03:03:54 by jwe]
jwe
parents: 7240
diff changeset
268