If all u do is Rotation only, then no translation components of
Transform3D matrix are changed. So, u can easily use
transform3D.get(vector3d) or transform3D.get(vector3f) functions in
order to get the position (but it wouldn't change anyway).
vladimir
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In your previous letter u wrote:
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CY> Could any one help me figure out this problem? When I move the viewpoint
CY> by rotation, I have 3*3 matrix after rotation and 4*4 matrix before
CY> rotation, how could I get the coordinate(x,y,z) of the viewpoint in the
CY> original coordinate system?
CY> thank you in advance.
CY> Chen
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