Computer Graphics, Opengl, 3d Modeling, 3d Design.
to 1.0 and stays relatively flat, i.e., dF(z)/dz approaches 0 quickly. It is desirable to find a mapping function F(z) from VCS to SCS whose derivative dF(z)/dz stays relatively high. Also, it must have the following characteristics. F(-near) ≥ 0 and F(-far) ≤ 1. F(z) is one-to-one mapping. F(z) is