Frequently Asked Questions

Compilation issues: Execution issues:

Compiler complains about duplicate const in some .cpp generated by Qt

This is a bug Qt of Qt 3.1.1. You'll have to suppress the second const in the specified line of the file in order to compile.

Some polygons disappear when rendering

This is a bug from the KD-tree intersector. Polygons which are aligned with the worlds axis-planes sometimes get through the classification and do not stop rays anymore. This can easily be corrected by rotating the whole scene with a very small angle around a non axis-aligned direction, like:

<Transform rotation="0.4 0.5 0.3 0.001">  ... scene ... </Transform>

Such a small angle does not perturbate the view-points significantly.

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