Re: [Numpy-discussion] A way to compute a 2d histogram

[David H. <dav...@gm...>]

Xavier,
Here is the patch against svn. Please report any bug. I haven't had the time
to test it extensively, something that should be done before commiting the
patch to the repo. I'd appreciate your feedback.

David

2006/10/24, David Huard <dav...@gm...>:
>
> Hi Xavier,
>
> You could tweak histogram2d to do what you want, or you could give me a
> couple of days and I'll do it and let you know. If you want to help, you
> could write a test using your particular application and data.
>
> David
>
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> 2006/10/24, Xavier Gnata <gn...@ob...>:
> >
> > Hi,
> >
> > I have a set of 3 1D large arrays.
> > The first 2 one stand for the coordinates of particules and the last one
> > for their masses.
> > I would like to be able to plot this data ie to compute a 2D histogram
> > summing the masses in each bin.
> > I cannot find a way to do that without any loop on the indices resulting
> > too a very slow function.
> >
> > I'm looking for an elegant way to do that with numpy (or scipy??)
> > function.
> >
> > For instance, scipy.histogram2d cannot do the job because it only counts
> > the number of samples in each bin.
> > There is no way to deal with weights.
> >
> > Xavier.
> >
> >
> > --
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> >
> >
> >
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