Re: Tricky question on shader

Almar Klein <[email protected]>
Newsgroups gmane.comp.python.opengl.user
Message-ID <CAB_T6=m5FKy+cRj6VxSAknW-85GYuK-WJnRW9rVNQHJmirc7pA@mail.gmail.com>
>
> 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

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