Re: [Matplotlib-users] Contouring a large set of ungridded data

[Robert K. <rk...@uc...>]

Chris Barker wrote:
> Robert Kern wrote:
> 
>> qhull, for example, is a real PITA in this regard.
> 
> Darn, it looked pretty promising from the web site.

It's not. It's well-known to be a bad library. There's a Python
interface to qhull, but it uses pipes to communicate with a separate
qhull process.

>> In any case, natgrid isn't Delaunay triangulation, but natural neighbors
>> interpolation which is better (and probably state of the art for these
>> kinds of graphics).
> 
> Although there are other uses for delaunay triangulization, so it would
> be nice to have a python lib that does it well.
> 
> What about Jonathan Shewchuk's Triangle? I don't know how clean the code
> is but it's fast and powerful. As for license:
> 
> """
> Please note that although Triangle is freely available, it is
> copyrighted by the author and may not be sold or included in commercial
> products without a license.
> """
> 
> I wish he'd just a pick a license and be done with it, but given that
> Python. MPL, and SciPy are not commercial, he'd probably be OK with it.

MPL and Scipy won't take code that can't be redistributed commercially
(much less proprietarily). There's no indication that Shewchuk will
allow that.

-- 
Robert Kern
rk...@uc...

"In the fields of hell where the grass grows high
 Are the graves of dreams allowed to die."
  -- Richard Harter