Add a useful package (from Source forge) for octave

[CreaPhase.git] / octave_packages / geometry-1.5.0 / io / @svg / plot.m

diff --git a/octave_packages/geometry-1.5.0/io/@svg/plot.m b/octave_packages/geometry-1.5.0/io/@svg/plot.m
new file mode 100644 (file)
index 0000000..de207c1
--- /dev/null
+++ b/octave_packages/geometry-1.5.0/io/@svg/plot.m
@@ -0,0 +1,53 @@
+## Copyright (C) 2011 Carnë Draug <carandraug+dev@gmail.com>
+## Copyright (c) 2011 Juan Pablo Carbajal <carbajal@ifi.uzh.ch>
+##
+## This program is free software; you can redistribute it and/or modify
+## it under the terms of the GNU General Public License as published by
+## the Free Software Foundation; either version 3 of the License, or
+## (at your option) any later version.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program; if not, see <http://www.gnu.org/licenses/>.
+
+%% -*- texinfo -*-
+%% @deftypefn {Function File} {@var{h} = } plot ()
+%% Plots and SVG object.
+%%
+%% @end deftypefn
+
+function h = plot(obj, varargin)
+
+  % Get path ids
+  ids = fieldnames(obj.Path);
+  npath = numel(ids);
+
+  t = linspace (0, 1, 64);
+  
+  args={};
+  if !isempty (varargin)
+    args = varargin;
+  end
+  for i = 1:npath
+    x = []; y = [];
+    data = obj.Path.(ids(i)).data;
+
+    for j = 1:numel(data)
+      x = cat (2, x, polyval (data{j}(1,:),t));
+      y = cat (2, y, polyval (data{j}(2,:),t));
+    end
+
+    h = plot(x,y,args{:});
+    if i == 1
+      hold on
+    end
+ end
+ hold off
+ axis tight
+ axis equal
+endfunction
+