Bug#497448: ITP: python-griddata -- Python function to interpolate irregularly spaced data to a grid
On Tue, Sep 02, 2008 at 04:31:55PM +0100, Chris Walker wrote:
> Michael Hanke <michael.hanke@gmail.com> writes:
>
> > * URL : http://code.google.com/p/griddata-python/
> > * License : MITish
>
> That URL claims the licence is "GNU General Public License v2"
Yeah, but not all of it ... but read on.
> > This module provides a single function, 'griddata', that fits a surface
> > to nonuniformly spaced data points. It behaves basically like its equivalent
> > in Matlab.
>
>
> How does this relate to the algorithm mentioned in
> http://lwn.net/Articles/292979/ where it says:
>
> "Jeffrey Whitaker has added support for gridding irregularly spaced
> data using the Matlab (TM) equivalent griddata function. This is a
> long-standing feature request for matplotlib and a major
> enhancement. matplotlib now ships with Robert Kern's delaunay
> triangularization code (BSD license), which supports the default
> griddata implementation, but there are some known corner cases where
> this routine fails. As such, Jeff has provided a python wrapper to
> the NCAR natgrid routines, whose licensing terms are a bit murkier,
> for those who need bullet proof gridding routines. If the NCAR
> toolkit is installed, griddata will detect it and use it. See
> http://matplotlib.sf.net/matplotlib.mlab.html#-griddata for details.
> Thanks Robert and Jeff."
That seems to be exactly the same -- great! The griddata package would
have contained NCAR, but under this circumstances it is not really
necessary, IMHO.
Godd news -- thanks for pointing it out!
Michael
--
GPG key: 1024D/3144BE0F Michael Hanke
http://apsy.gse.uni-magdeburg.de/hanke
ICQ: 48230050
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