Surface.dll is a
modifier for 3DStudio Max. It is used to create patch
models out of splines. All you do is build a mesh out of
bezier splines, with all intersecting splines bisected by
vertices where they cross. It's a great way of modelling,
in my opinion it's better than nurbs, and it can be used
to create fantastic organic models (which are my
favourite type!) The good thing about patches is that
you can turn up the detail level, depending on the
closeness of the camera to the model. Each patch is made
up of 4 (or sometimes 3) bezier curves, which make up
it's four sides. These curves are made up of straight
lines which approximate the curve, and the more straight
lines you have, the smoother the curve gets. This is
called the step setting. If you look carefully at the
outline of the arse cheek in the picture below, you can
see that because the buttock is made of large surfaces,
the steps are more obvious...
The new Max 3.1 has a lot of new features which make
patch modelling a lot easier than it used to be. The crossinsert
function in the vertex menu is particularly useful...
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