Mercurial > hg > octave-lyh

annotate scripts/plot/__contour__.m @ 8506:bc982528de11

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
comment style fixes
author John W. Eaton <jwe@octave.org>
date Tue, 13 Jan 2009 11:56:00 -0500
parents cc3ac5eb6be3
children 7d48766c21a5
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
7170
9f38c6293317 [project @ 2007-11-13 17:34:33 by jwe]
jwe
parents:
diff changeset
1 ## Copyright (C) 2007 David Bateman
9f38c6293317 [project @ 2007-11-13 17:34:33 by jwe]
jwe
parents:
diff changeset
2 ##
9f38c6293317 [project @ 2007-11-13 17:34:33 by jwe]
jwe
parents:
diff changeset
3 ## This file is part of Octave.
9f38c6293317 [project @ 2007-11-13 17:34:33 by jwe]
jwe
parents:
diff changeset
4 ##
9f38c6293317 [project @ 2007-11-13 17:34:33 by jwe]
jwe
parents:
diff changeset
5 ## Octave is free software; you can redistribute it and/or modify it
9f38c6293317 [project @ 2007-11-13 17:34:33 by jwe]
jwe
parents:
diff changeset
6 ## under the terms of the GNU General Public License as published by
9f38c6293317 [project @ 2007-11-13 17:34:33 by jwe]
jwe
parents:
diff changeset
7 ## the Free Software Foundation; either version 3 of the License, or (at
9f38c6293317 [project @ 2007-11-13 17:34:33 by jwe]
jwe
parents:
diff changeset
8 ## your option) any later version.
9f38c6293317 [project @ 2007-11-13 17:34:33 by jwe]
jwe
parents:
diff changeset
9 ##
9f38c6293317 [project @ 2007-11-13 17:34:33 by jwe]
jwe
parents:
diff changeset
10 ## Octave is distributed in the hope that it will be useful, but
9f38c6293317 [project @ 2007-11-13 17:34:33 by jwe]
jwe
parents:
diff changeset
11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
9f38c6293317 [project @ 2007-11-13 17:34:33 by jwe]
jwe
parents:
diff changeset
12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
9f38c6293317 [project @ 2007-11-13 17:34:33 by jwe]
jwe
parents:
diff changeset
13 ## General Public License for more details.
9f38c6293317 [project @ 2007-11-13 17:34:33 by jwe]
jwe
parents:
diff changeset
14 ##
9f38c6293317 [project @ 2007-11-13 17:34:33 by jwe]
jwe
parents:
diff changeset
15 ## You should have received a copy of the GNU General Public License
9f38c6293317 [project @ 2007-11-13 17:34:33 by jwe]
jwe
parents:
diff changeset
16 ## along with Octave; see the file COPYING. If not, see
9f38c6293317 [project @ 2007-11-13 17:34:33 by jwe]
jwe
parents:
diff changeset
17 ## <http://www.gnu.org/licenses/>.
9f38c6293317 [project @ 2007-11-13 17:34:33 by jwe]
jwe
parents:
diff changeset
18
9f38c6293317 [project @ 2007-11-13 17:34:33 by jwe]
jwe
parents:
diff changeset
19 ## Undocumented internal function.
9f38c6293317 [project @ 2007-11-13 17:34:33 by jwe]
jwe
parents:
diff changeset
20
8289
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
21 function [c, hg] = __contour__ (varargin)
7208
a730e47fda4d [project @ 2007-11-28 02:32:41 by jwe]
jwe
parents: 7191
diff changeset
22 ax = varargin{1};
8289
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
23 zlevel = varargin{2};
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
24 filled = "off";
7170
9f38c6293317 [project @ 2007-11-13 17:34:33 by jwe]
jwe
parents:
diff changeset
25
7317
11c5f1ee553e [project @ 2007-12-14 17:42:55 by jwe]
jwe
parents: 7208
diff changeset
26 linespec.linestyle = "-";
8289
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
27 linespec.color = "auto";
7317
11c5f1ee553e [project @ 2007-12-14 17:42:55 by jwe]
jwe
parents: 7208
diff changeset
28 for i = 3 : nargin
11c5f1ee553e [project @ 2007-12-14 17:42:55 by jwe]
jwe
parents: 7208
diff changeset
29 arg = varargin {i};
11c5f1ee553e [project @ 2007-12-14 17:42:55 by jwe]
jwe
parents: 7208
diff changeset
30 if ((ischar (arg) || iscell (arg)))
8289
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
31 [linespec, valid] = __pltopt__ ("__contour__", arg, false);
7317
11c5f1ee553e [project @ 2007-12-14 17:42:55 by jwe]
jwe
parents: 7208
diff changeset
32 if (isempty (linespec.color))
8289
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
33 linespec.color = "auto";
7317
11c5f1ee553e [project @ 2007-12-14 17:42:55 by jwe]
jwe
parents: 7208
diff changeset
34 endif
11c5f1ee553e [project @ 2007-12-14 17:42:55 by jwe]
jwe
parents: 7208
diff changeset
35 if (valid)
11c5f1ee553e [project @ 2007-12-14 17:42:55 by jwe]
jwe
parents: 7208
diff changeset
36 have_line_spec = true;
11c5f1ee553e [project @ 2007-12-14 17:42:55 by jwe]
jwe
parents: 7208
diff changeset
37 varargin(i) = [];
11c5f1ee553e [project @ 2007-12-14 17:42:55 by jwe]
jwe
parents: 7208
diff changeset
38 break;
11c5f1ee553e [project @ 2007-12-14 17:42:55 by jwe]
jwe
parents: 7208
diff changeset
39 endif
11c5f1ee553e [project @ 2007-12-14 17:42:55 by jwe]
jwe
parents: 7208
diff changeset
40 endif
11c5f1ee553e [project @ 2007-12-14 17:42:55 by jwe]
jwe
parents: 7208
diff changeset
41 endfor
11c5f1ee553e [project @ 2007-12-14 17:42:55 by jwe]
jwe
parents: 7208
diff changeset
42
7462
dfcaf7ed48e3 Allow linewidth to be specified for contours
David Bateman
parents: 7317
diff changeset
43 opts = {};
dfcaf7ed48e3 Allow linewidth to be specified for contours
David Bateman
parents: 7317
diff changeset
44 i = 3;
dfcaf7ed48e3 Allow linewidth to be specified for contours
David Bateman
parents: 7317
diff changeset
45 while (i < length (varargin))
dfcaf7ed48e3 Allow linewidth to be specified for contours
David Bateman
parents: 7317
diff changeset
46 if (ischar (varargin {i}))
8289
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
47 if (strcmpi (varargin{i}, "fill"))
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
48 filled = varargin {i + 1};
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
49 varargin(i:i+1) = [];
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
50 elseif (strcmpi (varargin{i}, "linecolor"))
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
51 linespec.color = varargin {i + 1};
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
52 varargin(i:i+1) = [];
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
53 else
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
54 opts{end+1} = varargin{i};
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
55 varargin(i) = [];
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
56 opts{end+1} = varargin{i};
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
57 varargin(i) = [];
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
58 endif
7462
dfcaf7ed48e3 Allow linewidth to be specified for contours
David Bateman
parents: 7317
diff changeset
59 else
dfcaf7ed48e3 Allow linewidth to be specified for contours
David Bateman
parents: 7317
diff changeset
60 i++;
dfcaf7ed48e3 Allow linewidth to be specified for contours
David Bateman
parents: 7317
diff changeset
61 endif
dfcaf7ed48e3 Allow linewidth to be specified for contours
David Bateman
parents: 7317
diff changeset
62 endwhile
dfcaf7ed48e3 Allow linewidth to be specified for contours
David Bateman
parents: 7317
diff changeset
63
8289
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
64 if (length(varargin) < 5)
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
65 z1 = varargin{3};
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
66 x1 = 1 : rows(z1);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
67 y1 = 1 : columns(z1);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
68 else
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
69 x1 = varargin{3};
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
70 y1 = varargin{4};
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
71 z1 = varargin{5};
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
72 endif
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
73 if (length (varargin) == 4 || length (varargin) == 6)
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
74 vn = varargin {end};
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
75 vnauto = false;
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
76 else
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
77 vnauto = true;
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
78 vn = 10;
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
79 endif
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
80
8299
be9b14945774 Add code to remove listeners from properties and use it with newplot
David Bateman <dbateman@free.fr>
parents: 8289
diff changeset
81 if (isscalar (vn))
be9b14945774 Add code to remove listeners from properties and use it with newplot
David Bateman <dbateman@free.fr>
parents: 8289
diff changeset
82 lvl = linspace (min (z1(!isinf(z1))), max (z1(!isinf(z1))),
be9b14945774 Add code to remove listeners from properties and use it with newplot
David Bateman <dbateman@free.fr>
parents: 8289
diff changeset
83 vn + 2)(1:end-1);
be9b14945774 Add code to remove listeners from properties and use it with newplot
David Bateman <dbateman@free.fr>
parents: 8289
diff changeset
84 else
be9b14945774 Add code to remove listeners from properties and use it with newplot
David Bateman <dbateman@free.fr>
parents: 8289
diff changeset
85 lvl = vn;
be9b14945774 Add code to remove listeners from properties and use it with newplot
David Bateman <dbateman@free.fr>
parents: 8289
diff changeset
86 endif
be9b14945774 Add code to remove listeners from properties and use it with newplot
David Bateman <dbateman@free.fr>
parents: 8289
diff changeset
87
8289
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
88 if (strcmpi (filled, "on"))
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
89 if (isvector (x1) || isvector (y1))
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
90 [x1, y1] = meshgrid (x1, y1);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
91 endif
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
92 [nr, nc] = size (z1);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
93 x0 = prepad(x1, nc+1, 2 * x1(1, 1) - x1(1, 2), 2);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
94 x0 = postpad(x0, nc+2, 2 * x1(1, nc) - x1(1, nc - 1), 2);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
95 x0 = [x0(1, :); x0; x0(1, :)];
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
96 y0 = prepad(y1, nr+1, 2 * y1(1, 1) - y1(2, 1), 1);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
97 y0 = postpad(y0, nr+2, 2 * y1(nr, 1) - y1(nr - 1, 1));
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
98 y0 = [y0(:, 1), y0, y0(:, 1)];
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
99 z0 = -Inf(nr+2, nc+2);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
100 z0(2:nr+1, 2:nc+1) = z1;
8299
be9b14945774 Add code to remove listeners from properties and use it with newplot
David Bateman <dbateman@free.fr>
parents: 8289
diff changeset
101 [c, lev] = contourc (x0, y0, z0, lvl);
8289
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
102 else
8299
be9b14945774 Add code to remove listeners from properties and use it with newplot
David Bateman <dbateman@free.fr>
parents: 8289
diff changeset
103 [c, lev] = contourc (x1, y1, z1, lvl);
8289
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
104 endif
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
105
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
106 hg = hggroup ();
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
107 opts = __add_datasource__ ("__countour__", hg, {"x", "y", "z"}, opts{:});
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
108
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
109 addproperty ("xdata", hg, "data", x1);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
110 addproperty ("ydata", hg, "data", y1);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
111 addproperty ("zdata", hg, "data", z1);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
112 addproperty ("contourmatrix", hg, "data", c);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
113
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
114 addlistener (hg, "xdata", @update_data);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
115 addlistener (hg, "ydata", @update_data);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
116 addlistener (hg, "zdata", @update_data);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
117 addlistener (hg, "contourmatrix", @update_data);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
118
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
119 addproperty ("fill", hg, "radio", "on|{off}", filled);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
120
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
121 ## The properties zlevel and zlevelmode don't exist in matlab, but
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
122 ## allow the use of contourgroups with the contour3, meshc and surfc
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
123 ## functions.
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
124 if (isnumeric (zlevel))
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
125 addproperty ("zlevelmode", hg, "radio", "{none}|auto|manual", "manual")
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
126 addproperty ("zlevel", hg, "data", zlevel);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
127 else
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
128 addproperty ("zlevelmode", hg, "radio", "{none}|auto|manual", zlevel)
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
129 if (ischar (zlevel) && strcmpi (zlevel, "manual"))
7462
dfcaf7ed48e3 Allow linewidth to be specified for contours
David Bateman
parents: 7317
diff changeset
130 z = varargin{3};
7191
b48a21816f2e [project @ 2007-11-26 21:24:32 by jwe]
jwe
parents: 7189
diff changeset
131 z = 2 * (min (z(:)) - max (z(:)));
8289
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
132 addproperty ("zlevel", hg, "data", z);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
133 else
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
134 addproperty ("zlevel", hg, "data", 0.);
7175
5ff4da7bd2e7 [project @ 2007-11-14 20:36:48 by jwe]
jwe
parents: 7170
diff changeset
135 endif
5ff4da7bd2e7 [project @ 2007-11-14 20:36:48 by jwe]
jwe
parents: 7170
diff changeset
136 endif
5ff4da7bd2e7 [project @ 2007-11-14 20:36:48 by jwe]
jwe
parents: 7170
diff changeset
137
8299
be9b14945774 Add code to remove listeners from properties and use it with newplot
David Bateman <dbateman@free.fr>
parents: 8289
diff changeset
138 lvlstep = sum (abs (diff (lvl))) / (length (lvl) - 1);
8289
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
139
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
140 addproperty ("levellist", hg, "data", lev);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
141 addproperty ("levelstep", hg, "double", lvlstep);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
142 if (vnauto)
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
143 addproperty ("levellistmode", hg, "radio", "{auto}|manual", "auto");
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
144 addproperty ("levelstepmode", hg, "radio", "{auto}|manual", "auto");
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
145 elseif (isscalar (vn))
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
146 addproperty ("levellistmode", hg, "radio", "{auto}|manual", "auto");
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
147 addproperty ("levelstepmode", hg, "radio", "{auto}|manual", "manual");
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
148 else
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
149 addproperty ("levellistmode", hg, "radio", "{auto}|manual", "manual");
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
150 addproperty ("levelstepmode", hg, "radio", "{auto}|manual", "auto");
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
151 endif
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
152
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
153 addproperty ("labelspacing", hg, "double", 144);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
154 addproperty ("textlist", hg, "data", lev);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
155 addproperty ("textlistmode", hg, "radio", "{auto}|manual", "auto");
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
156 addproperty ("textstep", hg, "double", lvlstep);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
157 addproperty ("textstepmode", hg, "radio", "{auto}|manual", "auto");
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
158 addproperty ("showtext", hg, "radio", "on|{off}", "off");
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
159
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
160 addproperty ("linecolor", hg, "color", linespec.color, "{auto}|none");
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
161 addproperty ("linestyle", hg, "linelinestyle", linespec.linestyle);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
162 addproperty ("linewidth", hg, "linelinewidth", 0.5);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
163
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
164 addlistener (hg, "fill", @update_data);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
165
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
166 addlistener (hg, "zlevelmode", @update_zlevel);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
167 addlistener (hg, "zlevel", @update_zlevel);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
168
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
169 addlistener (hg, "levellist", @update_data);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
170 addlistener (hg, "levelstep", @update_data);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
171 addlistener (hg, "levellistmode", @update_data);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
172 addlistener (hg, "levelstepmode", @update_data);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
173
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
174 addlistener (hg, "labelspacing", @update_text);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
175 addlistener (hg, "textlist", @update_text);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
176 addlistener (hg, "textlistmode", @update_text);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
177 addlistener (hg, "textstep", @update_text);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
178 addlistener (hg, "textstepmode", @update_text);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
179 addlistener (hg, "showtext", @update_text);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
180
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
181 addlistener (hg, "linecolor", @update_line);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
182 addlistener (hg, "linestyle", @update_line);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
183 addlistener (hg, "linewidth", @update_line);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
184
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
185 add_patch_children (hg);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
186
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
187 if (!isempty (opts))
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
188 set (hg, opts{:});
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
189 endif
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
190 endfunction
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
191
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
192 function add_patch_children (hg)
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
193 c = get (hg, "contourmatrix");
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
194 lev = get (hg, "levellist");
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
195 fill = get (hg, "fill");
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
196 z = get (hg, "zlevel");
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
197 zmode = get (hg, "zlevelmode");
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
198 lc = get (hg, "linecolor");
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
199 lw = get (hg, "linewidth");
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
200 ls = get (hg, "linestyle");
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
201 filled = get (hg, "fill");
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
202
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
203 if (strcmpi (lc, "auto"))
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
204 lc = "flat";
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
205 endif
7170
9f38c6293317 [project @ 2007-11-13 17:34:33 by jwe]
jwe
parents:
diff changeset
206
8289
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
207 if (strcmpi (filled, "on"))
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
208 if (diff (lev) < 10*eps)
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
209 lvl_eps = 1e-6;
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
210 else
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
211 lvl_eps = min (diff (lev)) / 1000.0;
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
212 endif
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
213
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
214 ## Decode contourc output format.
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
215 i1 = 1;
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
216 ncont = 0;
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
217 while (i1 < columns (c))
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
218 ncont++;
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
219 cont_lev(ncont) = c(1, i1);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
220 cont_len(ncont) = c(2, i1);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
221 cont_idx(ncont) = i1+1;
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
222
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
223 ii = i1+1:i1+cont_len(ncont);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
224 cur_cont = c(:, ii);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
225 startidx = ii(1);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
226 stopidx = ii(end);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
227 cont_area(ncont) = polyarea (c(1, ii), c(2, ii));
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
228 i1 += c(2, i1) + 1;
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
229 endwhile
7170
9f38c6293317 [project @ 2007-11-13 17:34:33 by jwe]
jwe
parents:
diff changeset
230
8289
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
231 ## Handle for each level the case where we have (a) hole(s) in a patch.
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
232 ## Those are to be filled with the color of level below or with the
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
233 ## background colour.
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
234 for k = 1:numel (lev)
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
235 lvl_idx = find (abs (cont_lev - lev(k)) < lvl_eps);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
236 len = numel (lvl_idx);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
237 if (len > 1)
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
238 ## mark = logical(zeros(size(lvl_idx)));
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
239 mark = false (size (lvl_idx));
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
240 a = 1;
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
241 while (a < len)
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
242 ## take 1st patch
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
243 b = a + 1;
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
244 pa_idx = lvl_idx(a);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
245 ## get pointer to contour start, and contour length
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
246 curr_ct_idx = cont_idx(pa_idx);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
247 curr_ct_len = cont_len(pa_idx);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
248 ## get contour
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
249 curr_ct = c(:, curr_ct_idx:curr_ct_idx+curr_ct_len-1);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
250 b_vec = (a+1):len;
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
251 next_ct_pt_vec = c(:, cont_idx(lvl_idx(b_vec)));
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
252 in = inpolygon (next_ct_pt_vec(1,:), next_ct_pt_vec(2,:),
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
253 curr_ct(1, :), curr_ct(2, :));
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
254 mark(b_vec(in)) = !mark(b_vec(in));
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
255 a++;
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
256 endwhile
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
257 if (numel (mark) > 0)
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
258 ## All marked contours describe a hole in a larger contour of
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
259 ## the same level and must be filled with colour of level below.
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
260 ma_idx = lvl_idx(mark);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
261 if (k > 1)
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
262 ## Find color of level below.
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
263 tmp = find(abs(cont_lev - lev(k - 1)) < lvl_eps);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
264 lvl_bel_idx = tmp(1);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
265 ## Set color of patches found.
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
266 cont_lev(ma_idx) = cont_lev(lvl_bel_idx);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
267 else
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
268 ## Set lowest level contour to NaN.
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
269 cont_lev(ma_idx) = NaN;
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
270 endif
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
271 endif
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
272 endif
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
273 endfor
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
274
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
275 ## The algorithm can create patches with the size of the plotting
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
276 ## area, we would like to draw only the patch with the highest level.
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
277 del_idx = [];
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
278 max_idx = find (cont_area == max (cont_area));
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
279 if (numel (max_idx) > 1)
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
280 ## delete double entries
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
281 del_idx = max_idx(1:end-1);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
282 cont_area(del_idx) = cont_lev(del_idx) = [];
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
283 cont_len(del_idx) = cont_idx(del_idx) = [];
7175
5ff4da7bd2e7 [project @ 2007-11-14 20:36:48 by jwe]
jwe
parents: 7170
diff changeset
284 endif
5ff4da7bd2e7 [project @ 2007-11-14 20:36:48 by jwe]
jwe
parents: 7170
diff changeset
285
8289
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
286 ## Now we have everything together and can start plotting the patches
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
287 ## beginning with largest area.
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
288 [tmp, svec] = sort (cont_area);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
289 len = ncont - numel (del_idx);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
290 h = [];
8441
cc3ac5eb6be3 __contour__.m: __contour__.m: correct order of patches
Ben Abbott <bpabbott@mac.com>
parents: 8299
diff changeset
291 for n = len:(-1):1
8289
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
292 idx = svec(n);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
293 ctmp = c(:, cont_idx(idx):cont_idx(idx) + cont_len(idx) - 1);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
294 if (all (ctmp(:,1) == ctmp(:,end)))
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
295 ctmp(:, end) = [];
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
296 else
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
297 ## Special case unclosed contours
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
298 endif
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
299 h = [h; patch(ctmp(1, :), ctmp(2, :), cont_lev(idx), "edgecolor", lc,
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
300 "linestyle", ls, "linewidth", lw, "parent", hg)];
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
301 endfor
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
302
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
303 if (min (lev) == max (lev))
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
304 set (gca (), "clim", [min(lev)-1, max(lev)+1]);
7170
9f38c6293317 [project @ 2007-11-13 17:34:33 by jwe]
jwe
parents:
diff changeset
305 else
8289
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
306 set (gca(), "clim", [min(lev), max(lev)]);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
307 endif
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
308
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
309 set (gca (), "layer", "top");
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
310 else
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
311 ## Decode contourc output format.
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
312 i1 = 1;
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
313 h = [];
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
314 while (i1 < length (c))
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
315 clev = c(1,i1);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
316 clen = c(2,i1);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
317
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
318 if (all (c(:,i1+1) == c(:,i1+clen)))
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
319 p = c(:, i1+1:i1+clen-1);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
320 else
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
321 p = [c(:, i1+1:i1+clen), NaN(2, 1)];
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
322 endif
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
323
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
324 switch (zmode)
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
325 case "none"
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
326 h = [h; patch(p(1,:), p(2,:), "facecolor", "none",
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
327 "edgecolor", lc, "linestyle", ls, "linewidth", lw,
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
328 "cdata", clev, "parent", hg)];
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
329 case "auto"
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
330 h = [h; patch(p(1,:), p(2,:), clev * ones (1, columns (p)),
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
331 "facecolor", "none", "edgecolor", lc,
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
332 "linestyle", ls, "linewidth", lw, "cdata", clev,
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
333 "parent", hg)];
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
334 otherwise
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
335 h = [h; patch(p(1,:), p(2,:), z * ones (1, columns (p)),
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
336 "facecolor", "none", "edgecolor", lc,
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
337 "linestyle", ls, "linewidth", lw, "cdata", clev,
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
338 "parent", hg)];
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
339 endswitch
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
340 i1 += clen+1;
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
341 endwhile
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
342 endif
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
343
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
344 endfunction
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
345
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
346 function update_zlevel (h, d)
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
347 z = get (h, "zlevel");
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
348 zmode = get (h, "zlevelmode");
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
349 kids = get (h, "children");
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
350
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
351 switch (zmode)
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
352 case "none"
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
353 set (kids, "zdata", []);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
354 case "auto"
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
355 for i = 1 : length (kids)
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
356 set (kids(i), "zdata", get (kids (i), "cdata") .*
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
357 ones (size (get (kids (i), "xdata"))));
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
358 endfor
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
359 otherwise
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
360 for i = 1 : length (kids)
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
361 set (kids(i), "zdata", z .* ones (size (get (kids (i), "xdata"))));
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
362 endfor
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
363 endswitch
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
364 endfunction
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
365
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
366 function update_line (h, d)
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
367 lc = get (h, "linecolor");
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
368 if (strcmpi (lc, "auto"))
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
369 lc = "flat";
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
370 endif
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
371 set (findobj (h, "type", "patch"), "edgecolor", lc,
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
372 "linewidth", get (h, "linewidth"), "linestyle", get (h, "linestyle"));
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
373 endfunction
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
374
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
375 function update_data (h, d)
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
376 persistent recursive = false;
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
377
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
378 if (!recursive)
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
379 recursive = true;
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
380
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
381 delete (get (h, "children"));
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
382
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
383 if (strcmpi (get (h, "levellistmode"), "manual"))
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
384 lvl = get (h, "levellist");
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
385 elseif (strcmpi (get (h, "levelstepmode"), "manual"))
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
386 z = get (h, "zdata");
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
387 lvl = ceil ((max(z(:)) - min (z(:)) ./ get (h, "levelstep")));
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
388 else
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
389 lvl = 10;
7170
9f38c6293317 [project @ 2007-11-13 17:34:33 by jwe]
jwe
parents:
diff changeset
390 endif
8289
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
391
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
392 if (strcmpi (get (h, "fill"), "on"))
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
393 X = get (h, "xdata");
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
394 Y = get (h, "ydata");
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
395 Z = get (h, "zdata");
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
396 if (isvector (X) || isvector (Y))
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
397 [X, Y] = meshgrid (X, Y);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
398 endif
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
399 [nr, nc] = size (Z);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
400 X0 = prepad(X, nc+1, 2 * X(1, 1) - X(1, 2), 2);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
401 X0 = postpad(X0, nc+2, 2 * X(1, nc) - X(1, nc - 1), 2);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
402 X0 = [X0(1, :); X0; X0(1, :)];
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
403 Y0 = prepad(Y, nr+1, 2 * Y(1, 1) - Y(2, 1), 1);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
404 Y0 = postpad(Y0, nr+2, 2 * Y(nr, 1) - Y(nr - 1, 1));
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
405 Y0 = [Y0(:, 1), Y0, Y0(:, 1)];
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
406 Z0 = -Inf(nr+2, nc+2);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
407 Z0(2:nr+1, 2:nc+1) = Z;
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
408 [c, lev] = contourc (X0, Y0, Z0, lvl);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
409 else
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
410 [c, lev] = contourc (get (h, "xdata"), get (h, "ydata"),
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
411 get (h, "zdata"), lvl);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
412 endif
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
413 set (h, "contourmatrix", c);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
414
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
415 if (strcmpi (get (h, "levellistmode"), "manual"))
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
416 ## Do nothing
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
417 elseif (strcmpi (get (h, "levelstepmode"), "manual"))
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
418 set (h, "levellist", lev);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
419 else
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
420 set (h, "levellist", lev);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
421 z = get (h, "zdata");
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
422 lvlstep = (max(z(:)) - min(z(:))) / 10;
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
423 set (h, "levelstep", lvlstep);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
424 endif
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
425
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
426 add_patch_children (h);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
427 update_text (h, d);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
428 endif
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
429
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
430 recursive = false;
7170
9f38c6293317 [project @ 2007-11-13 17:34:33 by jwe]
jwe
parents:
diff changeset
431 endfunction
8289
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
432
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
433 function update_text (h, d)
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
434 persistent recursive = false;
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
435
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
436 if (!recursive)
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
437 recursive = true;
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
438
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
439 delete (findobj (h, "type", "text"));
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
440
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
441 if (strcmpi (get (h, "textlistmode"), "manual"))
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
442 lvl = get (h, "textlist");
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
443 elseif (strcmpi (get (h, "textstepmode"), "manual"))
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
444 lev = get (h, "levellist");
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
445
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
446 if (diff (lev) < 10*eps)
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
447 lvl_eps = 1e-6;
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
448 else
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
449 lvl_eps = min (abs (diff (lev))) / 1000.0;
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
450 endif
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
451
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
452 stp = get (h, "textstep");
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
453 t = [0, floor(cumsum(diff (lev)) / (abs(stp) - lvl_eps))];
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
454 lvl = lev([true, t(1:end-1) != t(2:end)]);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
455 set (h, "textlist", lvl);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
456 else
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
457 lvl = get (h, "levellist");
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
458 set (h, "textlist", lvl, "textstep", get (h, "levelstep"));
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
459 endif
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
460
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
461 if (strcmpi (get (h, "showtext"), "on"))
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
462 switch (get (h, "zlevelmode"))
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
463 case "manual"
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
464 __clabel__ (get (h, "contourmatrix"), lvl, h,
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
465 get (h, "labelspacing"), get (h, "zlevel"));
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
466 case "auto"
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
467 __clabel__ (get (h, "contourmatrix"), lvl, h,
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
468 get (h, "labelspacing"), "auto");
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
469 otherwise
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
470 __clabel__ (get (h, "contourmatrix"), lvl, h,
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
471 get (h, "labelspacing"), []);
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
472 endswitch
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
473 endif
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
474 endif
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
475
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
476 recursive = false;
ac7f334d9652 Add contour group objects and the clabel function
David Bateman <dbateman@free.fr>
parents: 8190
diff changeset
477 endfunction