Making undeformable circles?
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From:
mkdm
24 Jul 2016 (7 of 11)
8038.7
In reply to
8038.6
Hi Michael,
> The exact 4-arc circle will only be replaced by the deformable version if you actually edit any of the control points.
I didn't know about this behavior.
Thank you very much for your explanations!
Ciao.
- Marco (mkdm).
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From:
bemfarmer
24 Jul 2016 (8 of 11)
8038.8
In reply to
8038.6
:-)
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From:
Karsten (KMRQUS)
24 Jul 2016 (9 of 11)
8038.9
In reply to
8038.1
Hello 3image,
at the end every circle is represented as a nurb curve in modern CAD. The number of control points isn't a criteria to decide if it is exact or not. The magic here is the knot vector. You can find a very good desciption for that on page 9 in the following document:
http://digiitalarchfab.com/portal/wp-content/uploads/2011/03/Nurbs-Curve-A-Guide-for-the-Uninitiated.pdf
Have a nice day
Karsten
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From:
Frenchy Pilou (PILOU)
25 Jul 2016 (10 of 11)
8038.10
Enlighting!
---
Pilou
Is beautiful that please without concept!
My Gallery
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From:
bemfarmer
25 Jul 2016 (11 of 11)
8038.11
In reply to
8038.9
A more legible copy of the article is here:
http://www.hcs.harvard.edu/~lynders/cs275/NURBCurvesForUninitiated.ps
- Brian
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