http://duff.geology.washington.edu/data/raster/tenmeter/onebytwo10/index.html
http://libsh.org/ref/online/
http://www.bearcave.com/misl/misl_tech/wavelets/compression/
http://globe.sintef.no/documentation/projection.html
http://www.vterrain.org/Textures/spherical.html
http://www.math.uni-bremen.de/~justen/Mich/planetrendering_e.html
http://lodbook.com/source/
http://www.humus.ca/3D/index.php?page=OpenGL&start=8
http://developer.infi.nl/index.php?ID=5
http://www.cc.gatech.edu/~lindstro/papers/vis2001a/
http://www.labri.fr/Perso/~granier/OpenGL/ext/videocards.html
http://www.codesampler.com/oglsrc.htm
http://www.zanir.szm.sk/dx10-19.html

TODO: weg mit glFrustum, tut nur ungutes mit unserer z-koordinate

TODO (auch elmex):

* oct-diagonale exakt berechnen

TODO (elmex):

quick stuff : *
long term   : -

* textures and materials
* think about nurbs?
* optimize mesh-file-reader

+ fixing blender-script, too error prone.

+ think about entities and loading