El día 31 de mayo de 2011 00:39, José Luis García Pallero <[email protected]> escribió: > El día 30 de mayo de 2011 22:49, Søren Hauberg <[email protected]> escribió: >> man, 30 05 2011 kl. 09:33 +0200, skrev José Luis García Pallero: >>> El día 24 de mayo de 2011 13:12, José Luis García Pallero >>> <[email protected]> escribió: >>> > Hello, >>> > >>> > I've written some code in order to implement the Greiner-Hormann >>> > polygon clipping algorithm >>> > (http://davis.wpi.edu/~matt/courses/clipping/). I've made an Octave >>> > package and I would like to add to Octave Forge >>> > >>> > By the moment, tha package is in >>> > https://sourceforge.net/apps/phpbb/octave/viewtopic.php?f=1&t=2 >>> >>> Hello, >>> Is anybody here? >> >> Sorry about the slow reply, but we are in severe lack of man-power so >> things happen quite slow :-( >> >> Thanks for making this contribution! Can you shed some light on how it >> differs from the 'gpc' package? Also, I am a bit confused about the >> license of your package; it seems that some files are covered by the GPL >> v3 while others use some non-standard license. Could you describe this >> choice a bit? > > Mainly the difference from the gpc package is that OctCLIP is free software > :-) > OctCLIP implements the Greiner-Hormann algorithm > (http://davis.wpi.edu/~matt/courses/clipping/) while the gpc package > uses the Vatti algorithm > (http://en.wikipedia.org/wiki/Vatti_clipping_algorithm). My > implementation of Greiner-Hormann do not manages correctly degenerated > cases (vertex in borders of the other polygon), so I perturb slightly > the problematic vertex, as in > http://davis.wpi.edu/~matt/courses/clipping/ is explained. > > About the license, the *.m and *.oct files are distributed under de > GPL 3 or higher license but all the other files are under the three > clauses BSD license >
Hello, Do you need a more detailed explanation about the algorithm? Does anybody test the OctCLIP package? -- ***************************************** José Luis García Pallero [email protected] (o< / / \ V_/_ Use Debian GNU/Linux and enjoy! ***************************************** ------------------------------------------------------------------------------ Simplify data backup and recovery for your virtual environment with vRanger. Installation's a snap, and flexible recovery options mean your data is safe, secure and there when you need it. Discover what all the cheering's about. Get your free trial download today. http://p.sf.net/sfu/quest-dev2dev2 _______________________________________________ Octave-dev mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/octave-dev
