VRweb utils
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ppm2sfimg.c
  convert PPM image to SFImage (VRML texture)
  (ANSI C source code)

example.wrl.gz
  example file with built-in texture image
  (don't forget to turn on texture mapping)

xglinfo-SGI.gz
xglinfo-AlphaOSF1.gz
xglinfo.man.gz
  xglinfo examines the visuals of your Xserver (like xdpyinfo) and gives
  additional OpenGL specific information. It is available in source code
  (Copyright 1993, Digital Equipment Corporation)
  from ftp://sgigate.sgi.com/pub/opengl/contrib. The three files here
  are binaries for SGI, Dec Alpha, and the man page.