PowerPoint Presentation - Slide 1
The view parameters (2)
•The view direction (-vd) is
simply the vector from the view point previously calculated
back to the surface (along the normal).
•The view up (-vu) is determined
by interrogating the surface’s orientation.
•The width & height (-vh,
-vv) are matched to the dimensions of the surface.
by
AMcneil
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last modified
Feb 29, 2016 12:27 PM