From help-octave-request at bevo dot che dot wisc dot edu Fri Dec 19 11:21:45 2003 Subject: Re: Investigating delaunay() segfault From: Przemek Klosowski To: help-octave cc: edd at debian dot org, Solignac , rafael@debian.org Date: Fri, 19 Dec 2003 12:21:00 -0500 (EST) On Fri, Dec 19, 2003 at 01:15:02PM +0100, Solignac wrote: > I've encountered several octave crashes using Delaunay's triangulation > ... > - is this a "known bug" of delaunay()/qhull function dealing with large Dirk asked: Now, for the bug: why don't you send out a _small reprocible example_ For what it is worth, on my Lintel system with homebrew install of octave-forge: s=1000;x=rand(s,1); y=rand(s,1);tri = delaunay(x,y);plot(x(tri'(:)),y(tri'(:)),'*-') s=10000;x=rand(s,1); y=rand(s,1);tri = delaunay(x,y);plot(x(tri'(:)),y(tri'(:)),'*-') and even s=100000;x=rand(s,1); y=rand(s,1);tri = delaunay(x,y);plot(x(tri'(:)),y(tri'(:)),'*-') work just fine as an expensive method of painting red background. (I know that I am not drawing the triangulation right---please enlighten me if you can see a way to break the lines between the triangles) ------------------------------------------------------------- Octave is freely available under the terms of the GNU GPL. Octave's home on the web: http://www.octave.org How to fund new projects: http://www.octave.org/funding.html Subscription information: http://www.octave.org/archive.html -------------------------------------------------------------