High!

In order to get really smooth surfaces from 2D height maps (not just 
playing with normals!), I tried to write a procedure for generating 
joined 4 x 4 (each overlapping by one column or row) bicubic patches 
(see code posted in p.b.s-f) form 16bit images usually used for 
heightfields.

But when doing a test render, I had to realize that the two 4 x 4 
sections do not align in the y direction, as you can see in the image 
attached here! What went wrong?

See you in Khyberspace!

Yadgar

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