Re: [griddata]:__delaunay__ function

[Thierry Laroche]

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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