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Re: 48245 and 92586
avatarNovember 14, 2012 01:09AM
Quote
Max Martin Richter
What a long thread...
Yup ;)
Actually this is a direct result of rounding in primitives!
The most outer point of the torus lies at x=1+1/14=1.0714285714285714285714285714286 but primitives are rounded to 4dp so you get 1.0714. Once scaled by 24.5, the error is -0.0007. So you get 26.2493 instead of 26.25. But this error is less than 1/1000 ldu, completely invisible. And even smooth shading in LDview accounts for some rounding errors between polygon vertices and condlines endpoints. That's also the reason why in Edger2 has a "precision" option to allow some discrepancy between matching coordinates. This precision defaults to 0.001, but it may be changed if necessary.
SubjectAuthorViewsPosted
48245 and 92586 Max Martin Richter519November 07, 2012 03:09AM
Re: 48245 and 92586 Stan Isachenko240November 07, 2012 04:02AM
Re: 48245 and 92586 Max Martin Richter246November 07, 2012 04:19AM
Re: 48245 and 92586 Philippe Hurbain294November 07, 2012 05:38AM
Re: 48245 and 92586 Stan Isachenko269November 07, 2012 05:50AM
Re: 48245 and 92586 Philippe Hurbain280November 07, 2012 05:53AM
Re: 48245 and 92586 Philippe Hurbain284November 07, 2012 08:38AM
Re: 48245 and 92586 Max Martin Richter253November 07, 2012 11:07AM
Re: 48245 and 92586 Attachments Max Martin Richter268November 11, 2012 02:27PM
Re: 48245 and 92586 Philippe Hurbain230November 12, 2012 07:32AM
Re: 48245 and 92586 Max Martin Richter209November 12, 2012 09:51AM
Re: 48245 and 92586 Michael Heidemann194November 12, 2012 11:31AM
Re: 48245 and 92586 Philippe Hurbain220November 12, 2012 11:42AM
Re: 48245 and 92586 Philippe Hurbain234November 12, 2012 12:17PM
Re: 48245 and 92586 Max Martin Richter266November 12, 2012 12:46PM
Re: 48245 and 92586 Philippe Hurbain265November 12, 2012 10:08PM
Re: 48245 and 92586 Attachments Max Martin Richter208November 13, 2012 08:23AM
Re: 48245 and 92586 Philippe Hurbain213November 13, 2012 08:38AM
Re: 48245 and 92586 Attachments Max Martin Richter222November 13, 2012 08:49AM
Re: 48245 and 92586 Philippe Hurbain195November 13, 2012 10:42AM
Re: 48245 and 92586 Max Martin Richter257November 13, 2012 11:00AM
Re: 48245 and 92586 Philippe Hurbain233November 13, 2012 11:34AM
Re: 48245 and 92586 Max Martin Richter233November 13, 2012 12:29PM
Re: 48245 and 92586 Philippe Hurbain224November 13, 2012 12:35PM
Re: 48245 and 92586 Max Martin Richter270November 13, 2012 12:42PM
Re: 48245 and 92586 Philippe Hurbain234November 14, 2012 01:09AM
Re: 48245 and 92586 Max Martin Richter305November 14, 2012 02:21AM



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