This image shows all the quadrics that you'll have to implement. The rib file that produced this picture is below.

# Begin showquads.rib
#
# Original Author: Scott Iverson [email protected]
# Modified by Tim Purcell [email protected] 
# for cs348b, Spring 2000

Option "display" "imageviewer" "xv"
Option "render" "integrator" "raycast"

Format 400 400 1
PixelSamples 1 1

Display "showquads.tiff" "file" "rgb"

Projection "perspective" "fov" 15

ShadingInterpolation "smooth"

Declare "v" "float"

WorldBegin
  Color 1 1 1
  LightSource "distantlight" 1
  Surface "plastic"

  Translate 0.0 0.0 14.0

  Rotate -90.0  1.0 0.0 0.0
	
  Translate -1.2 0.0 0.6
  Sphere 0.5 -0.5 0.5 360.0

  Translate 1.2 0.0 0.0
  Translate 0.0 0.0 -0.5
  Cone 1.0 0.5 360.0
	
  Translate 0.0 0.0 0.5
  Translate 1.2 0.0 0.0
  Cylinder 0.5 -0.5 0.5 360.0

  Translate -2.4 0.0 -1.2
  Hyperboloid 0.4 -0.4 -0.4  0.4 0.4 0.4  360.0

  Translate 1.2 0.0 -0.5
  Paraboloid 0.5 0.0 0.9 360.0

  Translate 1.2 0.0 0.5
  Rotate 90 1 0 0  
  Disk 0 0.5 360 

WorldEnd

# End showquads.rib

Copyright © 2000 Pat Hanrahan