CODEWITHSUNDEEP
graphicsgeometry
Adam Lee
Adam Lee

Reputation: 25768

About affine transform (translation )

For affine 4*4 transformation, I saw two representation in different text

one is

L T
0 1

Another is

L 0
T 1

L is the linear part, T is the translation part; I am wondering which is correct?

Upvotes: 0

Views: 76

Answers (1)

MBo
MBo

Reputation: 80267

Both forms are correct. The first is used in left-multiply matrix by column vector
ResultVector = Matrix*V (for example, in OpenGL), and the second - in right-multiply convention with row vector V*Matrix (for example, in DirectX)

Upvotes: 3

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