*) Build the machine.so

   You have to get development libraries of zlib, libpng, opengl and SDL

*) Make sure you have cffi and cl-opengl

*) To run all examples launch SBCL or CLISP and type:

  (asdf:oos 'asdf:load-op 'abop)
  (in-package :abop)
  (all)

*) UI in OpenGL view:

  rotate			- MB-drag
  zoom				- CTRL + MB-drag
  pan				- SHIFT + MB-drag
  quit				- Q or ESC
  save wavefront (scene.obj)	- W
  save povray (scene.inc)	- R
  save PNM (result-xxxxx.pnm)	- S
  save collada (scene.dae)	- C
  save renderman rib		- B

*) To render saved object with povray type:

   povray scene

*) To render saved object with pixie type (needs imagemagick):

   sh pixie.sh
