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.