X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?p=CreaPhase.git;a=blobdiff_plain;f=octave_packages%2Fvrml-1.0.13%2Fvrml_demo_tutorial_1.m;fp=octave_packages%2Fvrml-1.0.13%2Fvrml_demo_tutorial_1.m;h=8d0efdbb792bccdcf2e3bd1a0381baa5089703bd;hp=0000000000000000000000000000000000000000;hb=c880e8788dfc484bf23ce13fa2787f2c6bca4863;hpb=1705066eceaaea976f010f669ce8e972f3734b05 diff --git a/octave_packages/vrml-1.0.13/vrml_demo_tutorial_1.m b/octave_packages/vrml-1.0.13/vrml_demo_tutorial_1.m new file mode 100644 index 0000000..8d0efdb --- /dev/null +++ b/octave_packages/vrml-1.0.13/vrml_demo_tutorial_1.m @@ -0,0 +1,65 @@ +## Copyright (C) 2002-2009 Etienne Grossmann +## +## 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 . + +printf (["\n",\ + " VRML Mini-HOWTO's first listing\n",\ + " Display a quadratic surface w/ 31 x 31 points\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",\ + " h : toggle headlights on or off\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",\ + "\n"]); + +## Listing 1 + +x = linspace (-1,1,31); + +[xx,yy] = meshgrid (x,x); + +zz = xx.^2 + yy.^2; + +vmesh (zz); + +## Variant of listing 1 + +printf (" Hit a key to see the variant of listing 1\n\n"); + +pause + +vmesh (zz,"checker",[5,-2],"col",[1 0 0;0.7 0.7 0.7]', "emit",0); + +vmesh (zz,"checker",[5,-2],"col",[1 0 0;0.7 0.7 0.7]', "emit",0); + +printf (" Another one, just with 7 x 7 points\n"); + +x = linspace (-1,1,7); + +[xx,yy] = meshgrid (x,x); + +zz = 2 - xx.^2 - yy.^2; + +printf (" Now, with steps, then barss\n"); + +vmesh (zz); + +vmesh (zz,"steps"); + +vmesh (zz,"bars");