[ptx] fisheye projection

[John Bäckstrand]

Ed Halley wrote:
> After this lovely example by "dmgerman" posted on Max Lyons' forums, I
> would like to re-iterate my desire for additional native projections in
> Hugin/Nona.  I don't care if PTStitcher doesn't have it.  Besides my
> desire to do this directly on Linux, this is also the kind of feature
> which can set Nona apart from the old closed-source PTStitcher.

I can only second this!

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John Bäckstrand