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  1. This directory contains test programs and demonstration programs for
  2. the SIPP library. The images here can be divided into two
  3. categories: the mere test images (boring) and the demonstrations
  4. images (impressive).
  5.  
  6. All the testprograms takes the following switches:
  7.  
  8.         -p      Render with PHONG shading.
  9.         -g      Render with GOURAUD shading.
  10.         -f      Render with FLAT shading.
  11.         -l      Render a LINE image.
  12.         -s n    Make the image (n X n) pixels big.
  13.  
  14. If no switches are given, the default is to render a (256 X 256) pixels
  15. big image with PHONG shading. Note that if "-l" is used, the resulting
  16. image will be a bitmap and have ".pbm" as extension instead of ".ppm".
  17.  
  18.  
  19. Test image              Created by      Explanation
  20. ---------------------------------------------------
  21. torus.ppm               torustest       A plain violet torus
  22. cone.ppm                conetest        One ordinary cone, one truncated
  23.                                         and one cylinder.
  24. ellipsoid.ppm           ellipsoid       A violet course ellipsoid.
  25.                                         Note how the surface of the
  26.                                         ellipsoid appears smooth in
  27.                                         spite of the low number of
  28.                                         polygons in it (PHONG mode).
  29. prism.ppm               prismtest       Three orange prisms of various form.
  30. strauss.ppm             strausstest     Demo of the strauss_shader(). Four
  31.                                         spheres with the same color but
  32.                                         different smoothness and metalness.
  33. wood.ppm                woodtest        Demo of the wood shader.
  34.  
  35. Demo image              Created by      Explanation
  36. ---------------------------------------------------
  37. chain.ppm               chain           A 3-D chain of torii.
  38. teapot.ppm              teapot          The standard classic Newell
  39.                                         teapot. This image demonstrates
  40.                                         shadows and transparency mapping.
  41. structure.ppm           structure       A geometric structure,
  42.                                         demonstrating "eroded"
  43.                                         appearance of a surface
  44. planet.ppm              planettest      A planet with fractal coasts
  45.                                         and clouds.
  46. isy90.ppm               isy90           The cover of the 1990
  47.                                         Activity Report at the Dept.
  48.                                         of EE at Linkoping University.  
  49.                                         Demonstrates simulated marble and
  50.                                         granite texture.
  51.