This directory contains test programs and demonstration programs for
the sipp library version 2.0. The images here can be divided into two
categories: the mere test images (boring) and the demonstrations
images (impressive).

Test image              Created by      Explanation
---------------------------------------------------
torus.ppm               torustest       A plain violet torus
cylinder.ppm            cylindertest    A violet, rather fat, cylinder
ellipsoid.ppm           ellipsoid       A violet course ellipsoid.
                                        Note how the surface of the
                                        ellipsoid appears smooth in
                                        spite of the low number of
                                        polygons in it.
block.ppm               blocktest       An orange square block.


Demo image              Created by      Explanation
---------------------------------------------------
chain.ppm               chain           A 3-D chain of torii.
teapot.ppm              teapot          The standard classic Newell
                                        teapot. 
structure.ppm           structure       A geometric structure,
                                        demonstrating bumpy
                                        appearance of a surface
planet.ppm              planettest      A planet with fractal coasts
                                        and clouds.
isy90.ppm               isy90           The cover of the 1990
                                        Activity Report at the Dept.
                                        of EE at Linkoping University.  
                                        Demonstrates a simulated
                                        granite texture.
