Re: [PyOpenGL-Users] Tricky question on shader

[Almar K. <alm...@gm...>]

>
> For visvis, you might be interested in the different weight functions (I
> translated those of the antigrain library that are used in matplotlib):
>
> http://code.google.com/p/glumpy/source/browse/glumpy/image/filter.py
> http://code.google.com/p/glumpy/source/browse/glumpy/image/filter.vert
> http://code.google.com/p/glumpy/source/browse/glumpy/image/filter.frag
>

You're right, a Gaussian filter is probably not the best choice for aa. I
took a look at your filters and implemented a Lanczos filter (with dynamic
bandwith depending on image scale). Looks much better because it does not
blur so much. Thanks!

Almar