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 <david.huard@gmail.com>:
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




 






2006/10/24, Xavier Gnata < gnata@obs.univ-lyon1.fr>:
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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