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Subject: 
Re: LDraw File Format Spec 1.0 DRAFT - MATRIX section updated
Newsgroups: 
lugnet.cad
Date: 
Tue, 11 Sep 2007 17:58:46 GMT
Viewed: 
3975 times
  
In lugnet.cad, Don Heyse wrote:
Hey, could you perhaps toss in the word "homogeneous" when describing that
matrix?  I tend to find more complete explanations when I add that to my
internet searches.

Before I do that, can someone tell me if a 3D transformation matrix that
includes shear is still homogeneous?  If not, then I'm not going to put it in.

--Travis



Message has 1 Reply:
  Re: LDraw File Format Spec 1.0 DRAFT - MATRIX section updated
 
(...) Yes, the matrix is still homogeneous. In fact this page contains a nifty explanation of how what we normally think of as a translation matrix is actually a shear matrix where the extra w dimension added to make things homogeneous is the fixed (...) (17 years ago, 11-Sep-07, to lugnet.cad)

Message is in Reply To:
  Re: LDraw File Format Spec 1.0 DRAFT - MATRIX section updated
 
(...) Hey, could you perhaps toss in the word "homogeneous" when describing that matrix? I tend to find more complete explanations when I add that to my internet searches. Have fun, Don (17 years ago, 11-Sep-07, to lugnet.cad)

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