Chunked LOD

• Math

  • rho is a chunk's on-screen pixel error
  • delta(chunk) is a chunk's max geometric error
  • tau is the max allowed pixel error in our visualization
  • FOV is the field of view, W is the viewport width (in pixels)
  • D(viewpoint, chunk) is the distance between vp and a chunk
  • K = W / (2 * tan(FOV/2))
  • rho = K * delta(chunk) / D(viewpoint, chunk)