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 | | Re: Rendering for liberty
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| (...) Nice! You could also try wrapping a real photograph of the sunset around a sphere. -Mike (16 years ago, 10-Dec-08, to lugnet.cad, FTX)
| | | | | Creator Adventcalender 2004 - Xmas Blog
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| Hi all, On December 1 I started a (Dutch) blog for the Creator Adventcalender from 2004. It features full building instructions for the daily model, its alternative model and downloadable LDR and PDF files. As of today, December 8 there is an (...) (16 years ago, 10-Dec-08, to lugnet.announce)
| | | | | Rendering for liberty
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| I've been working on honing my skills at the whole rendering thing using many of the tools written by members of this forum and with knowledge gleaned here. I thought it was time to share! I asked my kids which model they would like me to use for a (...) (16 years ago, 10-Dec-08, to lugnet.cad, FTX)
| | | | | Re: Colinear Vertices
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| (...) It depends on what your threshold is but taking the difference (as you do in a cross product) of two big numbers is less accurate (very much so sometimes) than taking the difference of two smaller numbers. Even without this issue it means that (...) (16 years ago, 9-Dec-08, to lugnet.cad)
| | | | | Re: Colinear Vertices
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| (...) No, I just take the cross product, and if the length (squared) is 0, I give an error. I don't see how normalizing the length of the two vectors that I feed into the cross product would improve things much here. Sure, it might mean that my (...) (16 years ago, 9-Dec-08, to lugnet.cad)
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