Hi, I'm still working on my interpolating from an irregularly space grid
and then running pcolormesh on the resulting output. With some of the newer
data I've been plotting I've noticed that my plots are complete garbage. I
realized that this was actually because of the output from griddata rather
than some problem with pcolormesh/pcolor/etc (basically I get huge negative
values like -80000 from the interpolation when all of my data points lie
within [0,20]) .
Googling I found out that the default griddata has some problems, and that
there is a better, more robust version available through natgrid. I
downloaded the natgrid-0.2.1 package from here
http://sourceforge.net/projects/matplotlib/files%2Fmatplotlib-toolkits%2Fnatgrid-0.2/
.
My question now is, how do I install this and give it a shot? I'm running
on Ubuntu (or Xubuntu rather). The README doesn't seem to have any
directions.
Also, let's say that this new griddata doesn't work for me, is there
something else I could try? The interpolation problems are strange, because
I can break my data into 3 segments (I read 3 files to obtain the data so
this is the natural way to do it) and I can plot and interpolate correctly
any segment individually. It's only when I do all 3 segments together that
the interpolation begins to fail.
Any ideas?
Thanks for the continued help!
Brad
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