Add a useful package (from Source forge) for octave

[CreaPhase.git] / octave_packages / vrml-1.0.13 / vrml_newname.m

diff --git a/octave_packages/vrml-1.0.13/vrml_newname.m b/octave_packages/vrml-1.0.13/vrml_newname.m
new file mode 100644 (file)
index 0000000..27d1a7a
--- /dev/null
+++ b/octave_packages/vrml-1.0.13/vrml_newname.m
@@ -0,0 +1,36 @@
+## Copyright (C) 2005-2012 Etienne Grossmann <etienne@egdn.net>
+##
+## 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/>.
+
+## n = vrml_newname (root)      - A name for a vrml node, starting by root
+## 
+## vrml_newname ("-clear")
+function n = vrml_newname (root)
+
+persistent vrml_namespace = struct();
+
+if nargin < 1, root = ""; end
+
+if strcmp (root, "-clear"),
+  vrml_namespace = struct ();
+  return
+end
+if isempty (root), root = "N"; end
+
+n = sprintf ([root,"%0d"],100000*rand());
+while isfield (vrml_namespace, n)
+  n = sprintf ([root,"%0d"],100000*rand());
+end
+endfunction
+