Dead link on documentation in geometry space transformation:
http://eigen.tuxfamily.org/dox-devel/gr ... metry.html

The problem is in the line:

Code: Select all

Apply a general transformation to a normal vector (explanations)

I personally know the explanation, but the link is dead.

Thank you for the report. Fixed. For the record, this faq is now their: http://www.faqs.org/faqs/graphics/algorithms-faq