Add a useful package (from Source forge) for octave

[CreaPhase.git] / octave_packages / geometry-1.5.0 / shape2d / shapeplot.m

diff --git a/octave_packages/geometry-1.5.0/shape2d/shapeplot.m b/octave_packages/geometry-1.5.0/shape2d/shapeplot.m
new file mode 100644 (file)
index 0000000..b820464
--- /dev/null
+++ b/octave_packages/geometry-1.5.0/shape2d/shapeplot.m
@@ -0,0 +1,37 @@
+%% 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
+%%    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} = } shapeplot (@var{shape})
+%% @deftypefnx {Function File} {@var{h} = } shapeplot (@var{shape}, @var{N})
+%% @deftypefnx {Function File} {@var{h} = } shapeplot (@dots{}, @var{param}, @var{value})
+%% Pots a 2D shape defined by piecewise smooth polynomials in the current axis.
+%%
+%% @var{pp} is a cell where each elements is a 2-by-(poly_degree+1) matrix
+%% containing a pair of polynomials.
+%% @var{N} is the number of points to be used in non-straight edges.
+%% Additional parameter value pairs are passed to @code{drawPolygon}.
+%%
+%% @seealso{drawPolygon, shape2polygon}
+%% @end deftypefn
+
+function h = shapeplot(shape, varargin)
+
+  n = cell2mat(cellfun(@(x)curveval(x,rand(1,5)), shape, 'uniformoutput',false));
+  dr = (max(n(:,1))-min(n(:,1)))*(max(n(:,2))-min(n(:,2)))/100;
+  p = shape2polygon(shape,'tol', dr);
+  h = drawPolygon(p,varargin{:});
+
+endfunction