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postmultiply-transforms

Function
Summary

Postmultiplies two transforms.

Package

graphics-ports

Signature

postmultiply-transforms transform1 transform2

Arguments

transform1

A transform.

transfrom2

A transform.

Description

The postmultiply-transforms function postmultiplies the partial 3 x 3 matrix represented by transform1 by the partial 3 x 3 matrix represented by transform2 , storing the result in transform1 . In the result, the translation, scaling and rotation operations contained in transform2 are effectively performed after those in transform1 .

transform1 = transform1 . transform2

LispWorks CAPI Reference Manual - 17 Mar 2008

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