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## Copyright (C) 2002 Etienne Grossmann <etienne@cs.uky.edu>
##
## 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/>.
printf("vrml_select_points does not work any more. Sorry\n");
return
printf (["\n",\
" VRML Mini-HOWTO's second listing\n",\
" Show 3D points and select some with the mouse\n\n"]);
printf ([" Reminder of FreeWRL keystrokes and mouse actions :\n"\
" q : quit\n",\
" w : switch to walk mode\n",\
" e : switch to examine mode\n",\
" drag left mouse : rotate (examine mode) or translate\n",\
" (walk mode).\n",\
" drag right mouse : zoom (examine mode) or translate\n",\
" (walk mode).\n",\
" click on box : toggle selection\n",\
"\n"]);
## Listing 2
N = 30;
x = [randn(3,N) .* ([1,3,6]'*ones(1,N)), [5 5;-1 1;0 0]];
s = select_3D_points (x);
printf ("The selected points are : \n");
s