03/26/2002
15-462 Graphics I
10
Ray-Surface Intersections
•General
implicit surfaces
•General
parametric surfaces
•Specialized
analysis for special surfaces
–Spheres
–Planes
–Polygons
–Quadrics
•Do not decompose objects into
triangles!
•CSG
(Constructive Solid Geometry)
–Construct
model from building blocks (later
lecture)