Info-Mac 4/Info_Mac IV CD-ROM (Pacific HiTech Inc.)(August 1994).iso/Graphics/Utilities/POVRAY/POVRAY II/POV-Ray/POV-Ray.rsrc/TEXT_318_quadric.txt

Text File | 1994-02-10 | 213b | 10 lines

// create a quadratic polynomial surface
quadric
{
  <A, B, C> //  A x^2  + B y^2  + C z^2  +
  <D, E, F> //  D xy   + E xz   + F yz   +
  <G, H, I> //  G x    + H y    + I z    +
  J         //  J
  // [sturm]
}