Applications to 3D Rendering

parametric surfaces

・hidden surface removal

・hidden line removal

- raytracing

- scan line algorithm

implicit surfaces

raytracing

rendering curved surfaces

Bezier Patch

, B-spline, NURBS

algebraic surface

metaball

(blobs)

x=x(u,v), y=y(u,v), z=z(u,v)

f(x,y,z) = 0