Vincent Le Chevalier wrote:
> Funny, I did something similar a while ago, when I was trying to mimic 
> Terragen's rendering of height fields. Although obviously, our methods 
> differ. I was calling mine cubic interpolation back then but I'm not so 
> sure now... I'll have to re-check the source file to find out exactly 
> what it is doing ;-)
> 
> Anyway, here are the results I got. I'm not uploading the source because 
> it is not really readable as is, but if someone is interested I can 
> clean it up...
> 
> Regards

An easy-to-use macro of your technique would be useful, if it 
renders/parses quickly. It is an improvement over linear interpolation, 
that much is evident.

I was hoping that Tek's blended cells technique would work well for 
height_fields, but as it turns out, those extra "Steps" don't look so 
good... maybe if other things were done to the pigment it would be good. 
Oh well :) I figured I should post it anyway.

~Sam

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