Subject:
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Re: Rotation of Systems
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Newsgroups:
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lugnet.cad.dev
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Date:
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Thu, 26 Sep 2002 02:16:09 GMT
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Viewed:
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420 times
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In lugnet.cad.dev, Don Heyse wrote:
> ... You
> could also examine the source for LDAO or Leocad, both of which already
> include some sort of minifig modeler.
Actually, if I remember right, the Minifig Modeler in LDAO uses LDLite
statements for placement and rotation. Of course, it's been awhile
since I was in that code, so I could be hallucinating...
0 TRANSLATE <to end of arm>
0 ROTATE <wrist into proper attitude>
1 14 <hand reference>
0 TRANSLATE <tool into hand>
0 ROTATE <tool into proper attitude>
1 16 <tool reference>
0 ROTATE END
0 TRANSLATE END
0 ROTATE END
0 TRANSLATE END
Steve
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Message has 1 Reply:
Message is in Reply To:
 | | Re: Rotation of Systems
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| (...) Lets try it with vectors. Calculate the vector V from the arm origin to the hand origin. Rotate this vector about the arm origin (by angle A) to generate vector W. Subtract V from W to generate displacement vector X. Add the displacement (...) (22 years ago, 20-Sep-02, to lugnet.cad.dev)
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