1 ## Copyright (C) 2005-2012 Etienne Grossmann <etienne@egdn.net>
3 ## This program is free software; you can redistribute it and/or modify it under
4 ## the terms of the GNU General Public License as published by the Free Software
5 ## Foundation; either version 3 of the License, or (at your option) any later
8 ## This program is distributed in the hope that it will be useful, but WITHOUT
9 ## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 ## FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
13 ## You should have received a copy of the GNU General Public License along with
14 ## this program; if not, see <http://www.gnu.org/licenses/>.
16 ## n = vrml_newname (root) - A name for a vrml node, starting by root
18 ## vrml_newname ("-clear")
19 function n = vrml_newname (root)
21 persistent vrml_namespace = struct();
23 if nargin < 1, root = ""; end
25 if strcmp (root, "-clear"),
26 vrml_namespace = struct ();
29 if isempty (root), root = "N"; end
31 n = sprintf ([root,"%0d"],100000*rand());
32 while isfield (vrml_namespace, n)
33 n = sprintf ([root,"%0d"],100000*rand());