[ptx] Nearest-neighbour bug in nona

[Pablo d'Angelo]

On Sat, 28 Aug 2004, John Bäckstrand wrote:

> Nona gives different results than PTStitcher for nearest neighbour 
> sometimes, sometimes it seems fine though:
> 
> http://sandos.ath.cx:8000/pics/near/
> 
> I think its at higher resolutions it starts showing this bug. PTStitcher 
> doesnt show this behaviour at any "approximate" setting, afaik. I dont 
> really use nearest neighbour, I like sinc 1024 better, but I dont know, 
> someone might? :)

Hmm, I have never tried the nearest neighbour ;) Probably there I made a
stupid mistake with the rounding or something. Will check sometime. Guess
nobody uses nearest neighbour... I just implemented it for compatability
with PTStitcher.

ciao
  Pablo