Questions about the lecture 'Introduction to Virtual Reality' of the RWTH Aachen
Chapter Recap Computer Graphics
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How does translation1 works?
P translated1 to P’ via vector t with p’=p+t // Does not affect vectors
How does translation2 works?
P translated2 to P’ via matrix T with p’=T*p
How is T of translation2 defined?
T defined as diagonal 1 matrix with last column vector t
How does scaling works?
P scaled to P’ via diagonal matrix S with p’=S*p
How does rotation works?
P rotated to P’ via matrix R with p’=Ri*p and i axis
How is R of rotation defined?
R is defined as i-th row with 1 and 0 and rest (cos sinxz; siny cos)
How does shearing works?
P sheared to P’ via matrix D with p’=D*p
How is D of shearing defined?
D is defined as diagonal 1 and dij shearing to i from j
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