octave-nkf: scripts/plot/private/__contour_

annotate scripts/plot/private/contour.m @ 10634:60542efcfa2c

Check input arguments for size and type (bug #29861). Prevents segmentation fault with odd inputs.

author	Rik <octave@nomad.inbox5.com>
date	Sun, 16 May 2010 18:28:59 -0700
parents	95c3e38098bf
children	e5b1353695ef

rev	line source
8920 eb63fbe60fab update copyright notices John W. Eaton <jwe@octave.org> parents: 8812 diff changeset	1 ## Copyright (C) 2007, 2008, 2009 David Bateman
7170 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
8812 7d48766c21a5 use consistent format for doc strings of internal functions John W. Eaton <jwe@octave.org> parents: 8441 diff changeset	19 ## -- texinfo --
7d48766c21a5 use consistent format for doc strings of internal functions John W. Eaton <jwe@octave.org> parents: 8441 diff changeset	20 ## @deftypefn {Function File} {[@var{c}, @var{hg}] =} __contour__ (@dots{})
7170 9f38c6293317 [project @ 2007-11-13 17:34:33 by jwe] jwe parents: diff changeset	21 ## Undocumented internal function.
8812 7d48766c21a5 use consistent format for doc strings of internal functions John W. Eaton <jwe@octave.org> parents: 8441 diff changeset	22 ## @end deftypefn
7170 9f38c6293317 [project @ 2007-11-13 17:34:33 by jwe] jwe parents: diff changeset	23
8289 ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	24 function [c, hg] = __contour__ (varargin)
7208 a730e47fda4d [project @ 2007-11-28 02:32:41 by jwe] jwe parents: 7191 diff changeset	25 ax = varargin{1};
8289 ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	26 zlevel = varargin{2};
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	27 filled = "off";
7170 9f38c6293317 [project @ 2007-11-13 17:34:33 by jwe] jwe parents: diff changeset	28
7317 11c5f1ee553e [project @ 2007-12-14 17:42:55 by jwe] jwe parents: 7208 diff changeset	29 linespec.linestyle = "-";
8289 ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	30 linespec.color = "auto";
9554 bda3513e7ba9 Fix test for setting of datasource properties. Add the edgecolor property to contours David Bateman <dbateman@free.fr> parents: 8920 diff changeset	31 edgecolor = "flat";
7317 11c5f1ee553e [project @ 2007-12-14 17:42:55 by jwe] jwe parents: 7208 diff changeset	32 for i = 3 : nargin
11c5f1ee553e [project @ 2007-12-14 17:42:55 by jwe] jwe parents: 7208 diff changeset	33 arg = varargin {i};
11c5f1ee553e [project @ 2007-12-14 17:42:55 by jwe] jwe parents: 7208 diff changeset	34 if ((ischar (arg) \|\| iscell (arg)))
8289 ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	35 [linespec, valid] = __pltopt__ ("__contour__", arg, false);
7317 11c5f1ee553e [project @ 2007-12-14 17:42:55 by jwe] jwe parents: 7208 diff changeset	36 if (isempty (linespec.color))
10549 95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	37 linespec.color = "auto";
7317 11c5f1ee553e [project @ 2007-12-14 17:42:55 by jwe] jwe parents: 7208 diff changeset	38 endif
10156 f481496013a2 Set default line style in __contour__ David Bateman <dbateman@free.fr> parents: 9896 diff changeset	39 if (isempty (linespec.linestyle))
10549 95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	40 linespec.linestyle = "-";
10156 f481496013a2 Set default line style in __contour__ David Bateman <dbateman@free.fr> parents: 9896 diff changeset	41 endif
7317 11c5f1ee553e [project @ 2007-12-14 17:42:55 by jwe] jwe parents: 7208 diff changeset	42 if (valid)
10549 95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	43 have_line_spec = true;
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	44 varargin(i) = [];
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	45 break;
7317 11c5f1ee553e [project @ 2007-12-14 17:42:55 by jwe] jwe parents: 7208 diff changeset	46 endif
11c5f1ee553e [project @ 2007-12-14 17:42:55 by jwe] jwe parents: 7208 diff changeset	47 endif
11c5f1ee553e [project @ 2007-12-14 17:42:55 by jwe] jwe parents: 7208 diff changeset	48 endfor
11c5f1ee553e [project @ 2007-12-14 17:42:55 by jwe] jwe parents: 7208 diff changeset	49
7462 dfcaf7ed48e3 Allow linewidth to be specified for contours David Bateman parents: 7317 diff changeset	50 opts = {};
dfcaf7ed48e3 Allow linewidth to be specified for contours David Bateman parents: 7317 diff changeset	51 i = 3;
dfcaf7ed48e3 Allow linewidth to be specified for contours David Bateman parents: 7317 diff changeset	52 while (i < length (varargin))
dfcaf7ed48e3 Allow linewidth to be specified for contours David Bateman parents: 7317 diff changeset	53 if (ischar (varargin {i}))
8289 ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	54 if (strcmpi (varargin{i}, "fill"))
10549 95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	55 filled = varargin {i + 1};
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	56 varargin(i:i+1) = [];
8289 ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	57 elseif (strcmpi (varargin{i}, "linecolor"))
10549 95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	58 linespec.color = varargin {i + 1};
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	59 edgecolor = linespec.color;
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	60 if (ischar (edgecolor) && strcmpi (edgecolor, "auto"))
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	61 edgecolor = "flat";
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	62 endif
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	63 varargin(i:i+1) = [];
9554 bda3513e7ba9 Fix test for setting of datasource properties. Add the edgecolor property to contours David Bateman <dbateman@free.fr> parents: 8920 diff changeset	64 elseif (strcmpi (varargin{i}, "edgecolor"))
10549 95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	65 linespec.color = varargin {i + 1};
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	66 edgecolor = linespec.color;
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	67 if (ischar (edgecolor) && strcmpi (edgecolor, "flat"))
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	68 linespec.color = "auto";
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	69 endif
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	70 varargin(i:i+1) = [];
8289 ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	71 else
10549 95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	72 opts{end+1} = varargin{i};
8289 ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	73 varargin(i) = [];
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	74 opts{end+1} = varargin{i};
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	75 varargin(i) = [];
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	76 endif
7462 dfcaf7ed48e3 Allow linewidth to be specified for contours David Bateman parents: 7317 diff changeset	77 else
dfcaf7ed48e3 Allow linewidth to be specified for contours David Bateman parents: 7317 diff changeset	78 i++;
dfcaf7ed48e3 Allow linewidth to be specified for contours David Bateman parents: 7317 diff changeset	79 endif
dfcaf7ed48e3 Allow linewidth to be specified for contours David Bateman parents: 7317 diff changeset	80 endwhile
dfcaf7ed48e3 Allow linewidth to be specified for contours David Bateman parents: 7317 diff changeset	81
8289 ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	82 if (length(varargin) < 5)
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	83 z1 = varargin{3};
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	84 x1 = 1 : rows(z1);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	85 y1 = 1 : columns(z1);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	86 else
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	87 x1 = varargin{3};
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	88 y1 = varargin{4};
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	89 z1 = varargin{5};
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	90 endif
10634 60542efcfa2c Check input arguments for size and type (bug #29861). Rik <octave@nomad.inbox5.com> parents: 10549 diff changeset	91 if (!ismatrix (z1) \|\| isvector (z1) \|\| isscalar (z1))
60542efcfa2c Check input arguments for size and type (bug #29861). Rik <octave@nomad.inbox5.com> parents: 10549 diff changeset	92 error ("__contour__: z argument must be a matrix");
60542efcfa2c Check input arguments for size and type (bug #29861). Rik <octave@nomad.inbox5.com> parents: 10549 diff changeset	93 endif
8289 ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	94 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	95 vn = varargin {end};
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	96 vnauto = false;
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	97 else
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	98 vnauto = true;
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	99 vn = 10;
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	100 endif
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	101
8299 be9b14945774 Add code to remove listeners from properties and use it with newplot David Bateman <dbateman@free.fr> parents: 8289 diff changeset	102 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	103 lvl = linspace (min (z1(!isinf(z1))), max (z1(!isinf(z1))),
10549 95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	104 vn + 2)(1:end-1);
8299 be9b14945774 Add code to remove listeners from properties and use it with newplot David Bateman <dbateman@free.fr> parents: 8289 diff changeset	105 else
be9b14945774 Add code to remove listeners from properties and use it with newplot David Bateman <dbateman@free.fr> parents: 8289 diff changeset	106 lvl = vn;
be9b14945774 Add code to remove listeners from properties and use it with newplot David Bateman <dbateman@free.fr> parents: 8289 diff changeset	107 endif
be9b14945774 Add code to remove listeners from properties and use it with newplot David Bateman <dbateman@free.fr> parents: 8289 diff changeset	108
8289 ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	109 if (strcmpi (filled, "on"))
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	110 if (isvector (x1) \|\| isvector (y1))
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	111 [x1, y1] = meshgrid (x1, y1);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	112 endif
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	113 [nr, nc] = size (z1);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	114 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	115 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	116 x0 = [x0(1, :); x0; x0(1, :)];
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	117 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	118 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	119 y0 = [y0(:, 1), y0, y0(:, 1)];
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	120 z0 = -Inf(nr+2, nc+2);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	121 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	122 [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	123 else
8299 be9b14945774 Add code to remove listeners from properties and use it with newplot David Bateman <dbateman@free.fr> parents: 8289 diff changeset	124 [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	125 endif
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	126
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	127 hg = hggroup ();
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	128 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	129
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	130 addproperty ("xdata", hg, "data", x1);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	131 addproperty ("ydata", hg, "data", y1);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	132 addproperty ("zdata", hg, "data", z1);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	133 addproperty ("contourmatrix", hg, "data", c);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	134
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	135 addlistener (hg, "xdata", @update_data);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	136 addlistener (hg, "ydata", @update_data);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	137 addlistener (hg, "zdata", @update_data);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	138 addlistener (hg, "contourmatrix", @update_data);
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 ("fill", hg, "radio", "on\|{off}", filled);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	141
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	142 ## 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	143 ## 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	144 ## functions.
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	145 if (isnumeric (zlevel))
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	146 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	147 addproperty ("zlevel", hg, "data", zlevel);
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 ("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	150 if (ischar (zlevel) && strcmpi (zlevel, "manual"))
7462 dfcaf7ed48e3 Allow linewidth to be specified for contours David Bateman parents: 7317 diff changeset	151 z = varargin{3};
7191 b48a21816f2e [project @ 2007-11-26 21:24:32 by jwe] jwe parents: 7189 diff changeset	152 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	153 addproperty ("zlevel", hg, "data", z);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	154 else
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	155 addproperty ("zlevel", hg, "data", 0.);
7175 5ff4da7bd2e7 [project @ 2007-11-14 20:36:48 by jwe] jwe parents: 7170 diff changeset	156 endif
5ff4da7bd2e7 [project @ 2007-11-14 20:36:48 by jwe] jwe parents: 7170 diff changeset	157 endif
5ff4da7bd2e7 [project @ 2007-11-14 20:36:48 by jwe] jwe parents: 7170 diff changeset	158
8299 be9b14945774 Add code to remove listeners from properties and use it with newplot David Bateman <dbateman@free.fr> parents: 8289 diff changeset	159 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	160
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	161 addproperty ("levellist", hg, "data", lev);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	162 addproperty ("levelstep", hg, "double", lvlstep);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	163 if (vnauto)
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	164 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	165 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	166 elseif (isscalar (vn))
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	167 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	168 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	169 else
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	170 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	171 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	172 endif
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 addproperty ("labelspacing", hg, "double", 144);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	175 addproperty ("textlist", hg, "data", lev);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	176 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	177 addproperty ("textstep", hg, "double", lvlstep);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	178 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	179 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	180
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	181 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	182 addproperty ("linestyle", hg, "linelinestyle", linespec.linestyle);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	183 addproperty ("linewidth", hg, "linelinewidth", 0.5);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	184
9554 bda3513e7ba9 Fix test for setting of datasource properties. Add the edgecolor property to contours David Bateman <dbateman@free.fr> parents: 8920 diff changeset	185 ## FIXME It would be good to hide this property which is just an undocumented
bda3513e7ba9 Fix test for setting of datasource properties. Add the edgecolor property to contours David Bateman <dbateman@free.fr> parents: 8920 diff changeset	186 ## alias for linecolor
bda3513e7ba9 Fix test for setting of datasource properties. Add the edgecolor property to contours David Bateman <dbateman@free.fr> parents: 8920 diff changeset	187 addproperty ("edgecolor", hg, "color", edgecolor, "{flat}\|none");
bda3513e7ba9 Fix test for setting of datasource properties. Add the edgecolor property to contours David Bateman <dbateman@free.fr> parents: 8920 diff changeset	188
8289 ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	189 addlistener (hg, "fill", @update_data);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	190
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	191 addlistener (hg, "zlevelmode", @update_zlevel);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	192 addlistener (hg, "zlevel", @update_zlevel);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	193
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	194 addlistener (hg, "levellist", @update_data);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	195 addlistener (hg, "levelstep", @update_data);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	196 addlistener (hg, "levellistmode", @update_data);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	197 addlistener (hg, "levelstepmode", @update_data);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	198
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	199 addlistener (hg, "labelspacing", @update_text);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	200 addlistener (hg, "textlist", @update_text);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	201 addlistener (hg, "textlistmode", @update_text);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	202 addlistener (hg, "textstep", @update_text);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	203 addlistener (hg, "textstepmode", @update_text);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	204 addlistener (hg, "showtext", @update_text);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	205
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	206 addlistener (hg, "linecolor", @update_line);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	207 addlistener (hg, "linestyle", @update_line);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	208 addlistener (hg, "linewidth", @update_line);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	209
9554 bda3513e7ba9 Fix test for setting of datasource properties. Add the edgecolor property to contours David Bateman <dbateman@free.fr> parents: 8920 diff changeset	210 addlistener (hg, "edgecolor", @update_edgecolor);
bda3513e7ba9 Fix test for setting of datasource properties. Add the edgecolor property to contours David Bateman <dbateman@free.fr> parents: 8920 diff changeset	211
8289 ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	212 add_patch_children (hg);
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 if (!isempty (opts))
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	215 set (hg, opts{:});
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	216 endif
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	217 endfunction
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	218
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	219 function add_patch_children (hg)
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	220 c = get (hg, "contourmatrix");
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	221 lev = get (hg, "levellist");
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	222 fill = get (hg, "fill");
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	223 z = get (hg, "zlevel");
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	224 zmode = get (hg, "zlevelmode");
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	225 lc = get (hg, "linecolor");
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	226 lw = get (hg, "linewidth");
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	227 ls = get (hg, "linestyle");
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	228 filled = get (hg, "fill");
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	229
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	230 if (strcmpi (lc, "auto"))
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	231 lc = "flat";
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	232 endif
7170 9f38c6293317 [project @ 2007-11-13 17:34:33 by jwe] jwe parents: diff changeset	233
8289 ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	234 if (strcmpi (filled, "on"))
10354 f074aa6b2c80 __contour__: don't fail if zlevel is a vector with all the same values John W. Eaton <jwe@octave.org> parents: 10156 diff changeset	235
f074aa6b2c80 __contour__: don't fail if zlevel is a vector with all the same values John W. Eaton <jwe@octave.org> parents: 10156 diff changeset	236 lvl_eps = get_lvl_eps (lev);
8289 ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	237
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	238 ## Decode contourc output format.
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	239 i1 = 1;
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	240 ncont = 0;
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	241 while (i1 < columns (c))
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	242 ncont++;
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	243 cont_lev(ncont) = c(1, i1);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	244 cont_len(ncont) = c(2, i1);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	245 cont_idx(ncont) = i1+1;
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	246
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	247 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	248 cur_cont = c(:, ii);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	249 startidx = ii(1);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	250 stopidx = ii(end);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	251 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	252 i1 += c(2, i1) + 1;
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	253 endwhile
7170 9f38c6293317 [project @ 2007-11-13 17:34:33 by jwe] jwe parents: diff changeset	254
8289 ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	255 ## 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	256 ## 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	257 ## background colour.
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	258 for k = 1:numel (lev)
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	259 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	260 len = numel (lvl_idx);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	261 if (len > 1)
10549 95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	262 ## mark = logical(zeros(size(lvl_idx)));
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	263 mark = false (size (lvl_idx));
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	264 a = 1;
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	265 while (a < len)
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	266 ## take 1st patch
8289 ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	267 b = a + 1;
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	268 pa_idx = lvl_idx(a);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	269 ## 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	270 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	271 curr_ct_len = cont_len(pa_idx);
10549 95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	272 ## get contour
8289 ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	273 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	274 b_vec = (a+1):len;
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	275 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	276 in = inpolygon (next_ct_pt_vec(1,:), next_ct_pt_vec(2,:),
10549 95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	277 curr_ct(1, :), curr_ct(2, :));
8289 ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	278 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	279 a++;
10549 95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	280 endwhile
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	281 if (numel (mark) > 0)
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	282 ## All marked contours describe a hole in a larger contour of
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	283 ## the same level and must be filled with colour of level below.
8289 ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	284 ma_idx = lvl_idx(mark);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	285 if (k > 1)
10549 95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	286 ## Find color of level below.
8289 ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	287 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	288 lvl_bel_idx = tmp(1);
10549 95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	289 ## Set color of patches found.
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	290 cont_lev(ma_idx) = cont_lev(lvl_bel_idx);
8289 ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	291 else
10549 95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	292 ## Set lowest level contour to NaN.
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	293 cont_lev(ma_idx) = NaN;
8289 ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	294 endif
10549 95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	295 endif
8289 ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	296 endif
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	297 endfor
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	298
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	299 ## 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	300 ## 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	301 del_idx = [];
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	302 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	303 if (numel (max_idx) > 1)
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	304 ## delete double entries
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	305 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	306 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	307 cont_len(del_idx) = cont_idx(del_idx) = [];
7175 5ff4da7bd2e7 [project @ 2007-11-14 20:36:48 by jwe] jwe parents: 7170 diff changeset	308 endif
5ff4da7bd2e7 [project @ 2007-11-14 20:36:48 by jwe] jwe parents: 7170 diff changeset	309
8289 ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	310 ## 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	311 ## beginning with largest area.
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	312 [tmp, svec] = sort (cont_area);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	313 len = ncont - numel (del_idx);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	314 h = [];
8441 cc3ac5eb6be3 __contour__.m: __contour__.m: correct order of patches Ben Abbott <bpabbott@mac.com> parents: 8299 diff changeset	315 for n = len:(-1):1
8289 ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	316 idx = svec(n);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	317 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	318 if (all (ctmp(:,1) == ctmp(:,end)))
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	319 ctmp(:, end) = [];
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	320 else
10549 95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	321 ## Special case unclosed contours
8289 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 h = [h; patch(ctmp(1, :), ctmp(2, :), cont_lev(idx), "edgecolor", lc,
10549 95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	324 "linestyle", ls, "linewidth", lw, "parent", hg)];
8289 ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	325 endfor
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	326
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	327 if (min (lev) == max (lev))
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	328 set (gca (), "clim", [min(lev)-1, max(lev)+1]);
7170 9f38c6293317 [project @ 2007-11-13 17:34:33 by jwe] jwe parents: diff changeset	329 else
8289 ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	330 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	331 endif
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	332
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	333 set (gca (), "layer", "top");
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	334 else
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	335 ## Decode contourc output format.
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	336 i1 = 1;
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	337 h = [];
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	338 while (i1 < length (c))
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	339 clev = c(1,i1);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	340 clen = c(2,i1);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	341
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	342 if (all (c(:,i1+1) == c(:,i1+clen)))
10549 95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	343 p = c(:, i1+1:i1+clen-1);
8289 ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	344 else
10549 95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	345 p = [c(:, i1+1:i1+clen), NaN(2, 1)];
8289 ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	346 endif
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	347
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	348 switch (zmode)
10549 95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	349 case "none"
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	350 h = [h; patch(p(1,:), p(2,:), "facecolor", "none",
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	351 "edgecolor", lc, "linestyle", ls, "linewidth", lw,
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	352 "cdata", clev, "parent", hg)];
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	353 case "auto"
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	354 h = [h; patch(p(1,:), p(2,:), clev * ones (1, columns (p)),
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	355 "facecolor", "none", "edgecolor", lc,
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	356 "linestyle", ls, "linewidth", lw, "cdata", clev,
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	357 "parent", hg)];
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	358 otherwise
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	359 h = [h; patch(p(1,:), p(2,:), z * ones (1, columns (p)),
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	360 "facecolor", "none", "edgecolor", lc,
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	361 "linestyle", ls, "linewidth", lw, "cdata", clev,
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	362 "parent", hg)];
8289 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 i1 += clen+1;
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	365 endwhile
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	366 endif
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	367
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	368 endfunction
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	369
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	370 function update_zlevel (h, d)
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	371 z = get (h, "zlevel");
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	372 zmode = get (h, "zlevelmode");
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	373 kids = get (h, "children");
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 switch (zmode)
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	376 case "none"
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	377 set (kids, "zdata", []);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	378 case "auto"
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	379 for i = 1 : length (kids)
10549 95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	380 set (kids(i), "zdata", get (kids (i), "cdata") .*
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	381 ones (size (get (kids (i), "xdata"))));
8289 ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	382 endfor
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	383 otherwise
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	384 for i = 1 : length (kids)
10549 95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	385 set (kids(i), "zdata", z .* ones (size (get (kids (i), "xdata"))));
8289 ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	386 endfor
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	387 endswitch
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	388 endfunction
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	389
9554 bda3513e7ba9 Fix test for setting of datasource properties. Add the edgecolor property to contours David Bateman <dbateman@free.fr> parents: 8920 diff changeset	390 function update_edgecolor (h, d)
bda3513e7ba9 Fix test for setting of datasource properties. Add the edgecolor property to contours David Bateman <dbateman@free.fr> parents: 8920 diff changeset	391 ec = get (h, "edgecolor");
bda3513e7ba9 Fix test for setting of datasource properties. Add the edgecolor property to contours David Bateman <dbateman@free.fr> parents: 8920 diff changeset	392 lc = get (h, "linecolor");
bda3513e7ba9 Fix test for setting of datasource properties. Add the edgecolor property to contours David Bateman <dbateman@free.fr> parents: 8920 diff changeset	393 if (ischar (ec) && strcmpi (ec, "flat"))
bda3513e7ba9 Fix test for setting of datasource properties. Add the edgecolor property to contours David Bateman <dbateman@free.fr> parents: 8920 diff changeset	394 if (! strcmpi (lc, "auto"))
bda3513e7ba9 Fix test for setting of datasource properties. Add the edgecolor property to contours David Bateman <dbateman@free.fr> parents: 8920 diff changeset	395 set (h, "linecolor", "auto");
bda3513e7ba9 Fix test for setting of datasource properties. Add the edgecolor property to contours David Bateman <dbateman@free.fr> parents: 8920 diff changeset	396 endif
bda3513e7ba9 Fix test for setting of datasource properties. Add the edgecolor property to contours David Bateman <dbateman@free.fr> parents: 8920 diff changeset	397 elseif (! isequal (ec, lc))
bda3513e7ba9 Fix test for setting of datasource properties. Add the edgecolor property to contours David Bateman <dbateman@free.fr> parents: 8920 diff changeset	398 set (h, "linecolor", ec);
bda3513e7ba9 Fix test for setting of datasource properties. Add the edgecolor property to contours David Bateman <dbateman@free.fr> parents: 8920 diff changeset	399 endif
bda3513e7ba9 Fix test for setting of datasource properties. Add the edgecolor property to contours David Bateman <dbateman@free.fr> parents: 8920 diff changeset	400 endfunction
bda3513e7ba9 Fix test for setting of datasource properties. Add the edgecolor property to contours David Bateman <dbateman@free.fr> parents: 8920 diff changeset	401
8289 ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	402 function update_line (h, d)
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	403 lc = get (h, "linecolor");
9554 bda3513e7ba9 Fix test for setting of datasource properties. Add the edgecolor property to contours David Bateman <dbateman@free.fr> parents: 8920 diff changeset	404 ec = get (h, "edgecolor");
8289 ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	405 if (strcmpi (lc, "auto"))
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	406 lc = "flat";
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	407 endif
9554 bda3513e7ba9 Fix test for setting of datasource properties. Add the edgecolor property to contours David Bateman <dbateman@free.fr> parents: 8920 diff changeset	408 if (! isequal (ec, lc))
bda3513e7ba9 Fix test for setting of datasource properties. Add the edgecolor property to contours David Bateman <dbateman@free.fr> parents: 8920 diff changeset	409 set (h, "edgecolor", lc);
bda3513e7ba9 Fix test for setting of datasource properties. Add the edgecolor property to contours David Bateman <dbateman@free.fr> parents: 8920 diff changeset	410 endif
8289 ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	411 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	412 "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	413 endfunction
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 function update_data (h, d)
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	416 persistent recursive = false;
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	417
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	418 if (!recursive)
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	419 recursive = true;
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	420
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	421 delete (get (h, "children"));
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	422
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	423 if (strcmpi (get (h, "levellistmode"), "manual"))
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	424 lvl = get (h, "levellist");
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	425 elseif (strcmpi (get (h, "levelstepmode"), "manual"))
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	426 z = get (h, "zdata");
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	427 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	428 else
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	429 lvl = 10;
7170 9f38c6293317 [project @ 2007-11-13 17:34:33 by jwe] jwe parents: diff changeset	430 endif
8289 ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	431
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	432 if (strcmpi (get (h, "fill"), "on"))
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	433 X = get (h, "xdata");
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	434 Y = get (h, "ydata");
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	435 Z = get (h, "zdata");
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	436 if (isvector (X) \|\| isvector (Y))
10549 95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	437 [X, Y] = meshgrid (X, Y);
8289 ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	438 endif
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	439 [nr, nc] = size (Z);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	440 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	441 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	442 X0 = [X0(1, :); X0; X0(1, :)];
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	443 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	444 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	445 Y0 = [Y0(:, 1), Y0, Y0(:, 1)];
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	446 Z0 = -Inf(nr+2, nc+2);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	447 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	448 [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	449 else
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	450 [c, lev] = contourc (get (h, "xdata"), get (h, "ydata"),
10549 95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	451 get (h, "zdata"), lvl);
8289 ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	452 endif
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	453 set (h, "contourmatrix", c);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	454
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	455 if (strcmpi (get (h, "levellistmode"), "manual"))
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	456 ## Do nothing
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	457 elseif (strcmpi (get (h, "levelstepmode"), "manual"))
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	458 set (h, "levellist", lev);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	459 else
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	460 set (h, "levellist", lev);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	461 z = get (h, "zdata");
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	462 lvlstep = (max(z(:)) - min(z(:))) / 10;
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	463 set (h, "levelstep", lvlstep);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	464 endif
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	465
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	466 add_patch_children (h);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	467 update_text (h, d);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	468 endif
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	469
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	470 recursive = false;
7170 9f38c6293317 [project @ 2007-11-13 17:34:33 by jwe] jwe parents: diff changeset	471 endfunction
8289 ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	472
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	473 function update_text (h, d)
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	474 persistent recursive = false;
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 if (!recursive)
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	477 recursive = true;
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	478
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	479 delete (findobj (h, "type", "text"));
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	480
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	481 if (strcmpi (get (h, "textlistmode"), "manual"))
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	482 lvl = get (h, "textlist");
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	483 elseif (strcmpi (get (h, "textstepmode"), "manual"))
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	484 lev = get (h, "levellist");
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	485
10354 f074aa6b2c80 __contour__: don't fail if zlevel is a vector with all the same values John W. Eaton <jwe@octave.org> parents: 10156 diff changeset	486 lvl_eps = get_lvl_eps (lev);
8289 ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	487
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	488 stp = get (h, "textstep");
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	489 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	490 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	491 set (h, "textlist", lvl);
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	492 else
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	493 lvl = get (h, "levellist");
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	494 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	495 endif
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	496
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	497 if (strcmpi (get (h, "showtext"), "on"))
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	498 switch (get (h, "zlevelmode"))
10549 95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	499 case "manual"
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	500 __clabel__ (get (h, "contourmatrix"), lvl, h,
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	501 get (h, "labelspacing"), get (h, "zlevel"));
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	502 case "auto"
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	503 __clabel__ (get (h, "contourmatrix"), lvl, h,
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	504 get (h, "labelspacing"), "auto");
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	505 otherwise
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	506 __clabel__ (get (h, "contourmatrix"), lvl, h,
95c3e38098bf Untabify .m scripts Rik <code@nomad.inbox5.com> parents: 10354 diff changeset	507 get (h, "labelspacing"), []);
8289 ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	508 endswitch
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	509 endif
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	510 endif
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	511
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	512 recursive = false;
ac7f334d9652 Add contour group objects and the clabel function David Bateman <dbateman@free.fr> parents: 8190 diff changeset	513 endfunction
10354 f074aa6b2c80 __contour__: don't fail if zlevel is a vector with all the same values John W. Eaton <jwe@octave.org> parents: 10156 diff changeset	514
f074aa6b2c80 __contour__: don't fail if zlevel is a vector with all the same values John W. Eaton <jwe@octave.org> parents: 10156 diff changeset	515 function lvl_eps = get_lvl_eps (lev)
f074aa6b2c80 __contour__: don't fail if zlevel is a vector with all the same values John W. Eaton <jwe@octave.org> parents: 10156 diff changeset	516 ## FIXME -- is this the right thing to do for this tolerance? Should
f074aa6b2c80 __contour__: don't fail if zlevel is a vector with all the same values John W. Eaton <jwe@octave.org> parents: 10156 diff changeset	517 ## it be an absolute or relative tolerance, or switch from one to the
f074aa6b2c80 __contour__: don't fail if zlevel is a vector with all the same values John W. Eaton <jwe@octave.org> parents: 10156 diff changeset	518 ## other depending on the value of lev?
f074aa6b2c80 __contour__: don't fail if zlevel is a vector with all the same values John W. Eaton <jwe@octave.org> parents: 10156 diff changeset	519 if (isscalar (lev))
f074aa6b2c80 __contour__: don't fail if zlevel is a vector with all the same values John W. Eaton <jwe@octave.org> parents: 10156 diff changeset	520 lvl_eps = abs (lev) * sqrt (eps);
f074aa6b2c80 __contour__: don't fail if zlevel is a vector with all the same values John W. Eaton <jwe@octave.org> parents: 10156 diff changeset	521 else
f074aa6b2c80 __contour__: don't fail if zlevel is a vector with all the same values John W. Eaton <jwe@octave.org> parents: 10156 diff changeset	522 tmp = min (abs (diff (lev)));
f074aa6b2c80 __contour__: don't fail if zlevel is a vector with all the same values John W. Eaton <jwe@octave.org> parents: 10156 diff changeset	523 if (tmp < 10*eps)
f074aa6b2c80 __contour__: don't fail if zlevel is a vector with all the same values John W. Eaton <jwe@octave.org> parents: 10156 diff changeset	524 lvl_eps = sqrt (eps);
f074aa6b2c80 __contour__: don't fail if zlevel is a vector with all the same values John W. Eaton <jwe@octave.org> parents: 10156 diff changeset	525 else
f074aa6b2c80 __contour__: don't fail if zlevel is a vector with all the same values John W. Eaton <jwe@octave.org> parents: 10156 diff changeset	526 lvl_eps = tmp / 1000.0;
f074aa6b2c80 __contour__: don't fail if zlevel is a vector with all the same values John W. Eaton <jwe@octave.org> parents: 10156 diff changeset	527 endif
f074aa6b2c80 __contour__: don't fail if zlevel is a vector with all the same values John W. Eaton <jwe@octave.org> parents: 10156 diff changeset	528 endif
f074aa6b2c80 __contour__: don't fail if zlevel is a vector with all the same values John W. Eaton <jwe@octave.org> parents: 10156 diff changeset	529 endfunction

Mercurial > octave-nkf

annotate scripts/plot/private/__contour__.m @ 10634:60542efcfa2c

annotate scripts/plot/private/contour.m @ 10634:60542efcfa2c