Re: Several (still) unresolved issues

Bernie Roehl ([email protected])
Mon, 12 Jun 1995 10:11:04 -0400


> one element I needed to express the object was a hollow, truncated cone...
> [...]
> CSG is def a way to overcome some current problems of expressing complex
> objects in readable and not-too-giant-size form in vrml...
> [...]
> let me put in a plug for the lowly torus here... how to express the parts of
> a basic column w/out it? that poor, neglected creature...

Full-blown CSG is very complicated and difficult to implement properly.
However, both your suggestions (truncated cone and torus) can be handled
by a "Revolve" node that takes a 2D shape and revolves it around the Y
axis.

-- 
   Bernie Roehl
   University of Waterloo Dept of Electrical and Computer Engineering
   Mail: [email protected]    Voice:  (519) 888-4567 x 2607 [work]
   URL: http://sunee.uwaterloo.ca/~broehl