Rendering of isosurfaces

Dear colleagues
I am searching for a isosurface rendering engine for KryoMol, I have seen some
discussion on this subject on the list. Basically i am serching for a small
and GPL/LGPL/BSD library. Whats the best option in your opinion?

Dr. Armando Navarro-Vázquez
RIAIDT. Univdade de Resonancia Magnetica
Universidade de Santiago de Compostela
http://desoft03.usc.es/armando/index.html

I am searching for a isosurface rendering engine for KryoMol, I
have seen some
discussion on this subject on the list. Basically i am serching for
a small
and GPL/LGPL/BSD library.

Well, I found GTS, which is actually quite nice – it allows a user-
defined function as well as level of detail refinement.
http://gts.sourceforge.net/

The catch is that it uses Glib for memory allocation, so it’s not the
best option for a Qt-based application.

On the other hand, it probably wouldn’t take much effort to do a
quick port to use Qt instead.

If you (or anyone else) has other suggestions, it would be appreciated!
-Geoff