Here are two questions that are connected:
1. In the POVRAY coordinate system at least one function is sensitive to the
direction "North" and that is "sunpos". Is North in the z-direction by
default?
2. If the answer to the first question is "yes", is there any global
rotation or setting possible to bring the north direction in say a
townscape to align with the z-axis?

Any help on this topic would be greatly appreciated. JLH

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