Add a useful package (from Source forge) for octave

[CreaPhase.git] / octave_packages / vrml-1.0.13 / vrml_demo_tutorial_2.m

diff --git a/octave_packages/vrml-1.0.13/vrml_demo_tutorial_2.m b/octave_packages/vrml-1.0.13/vrml_demo_tutorial_2.m
new file mode 100644 (file)
index 0000000..503bebe
--- /dev/null
+++ b/octave_packages/vrml-1.0.13/vrml_demo_tutorial_2.m
@@ -0,0 +1,45 @@
+## Copyright (C) 2002-2012 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/>.
+
+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
+
+