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From: | Thierry Laroche |
Subject: | Re: [griddata]:__delaunay__ function |
Date: | Mon, 14 Nov 2011 22:58:26 +0100 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:7.0.1) Gecko/20110929 Thunderbird/7.0.1 |
I also try this on opensuse 11.4, and I obtain the same result.I will first fill a bug report and if it's too long I should compile as you suggest.
keep in touch Thank you Le 14/11/2011 22:50, Martin Helm a écrit :
Am 14.11.2011 22:23, schrieb Thierry Laroche:Ok, I installed the libmagick package. Thus, the octave package from science repository works. As a result, the function griddata doesn't work anymore. I tried the demo in octav forge x=2*rand(100,1)-1; y=2*rand(size(x))-1; z=sin(2*(x.^2+y.^2)); [xx,yy]=meshgrid(linspace(-1,1,32)); [x1,y1,zz]=griddata(x,y,z,xx,yy); and zz becomes a 32x32 array full of NaN...What I can see is the project science changed a few weeks ago the version of qhull used (you can look at the spec file for the rpm to see this). The matrix contains of course some NaNs at the borders but should not contain only NaNs. I cannot reproduce it since I have no openSUSE 11.3 but 11.4 and I compile octave myself. But your description sounds like they broke it with their patch, so there are two options Compile octave as I did directly from the sources from octave.org or file a bug against the science repository https://build.opensuse.org/package/users?package=octave&project=science on this page you can see the person who is the bug owner pgajdos with an email link to contact.
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