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Re: Regarding rendering of parts
avatarApril 08, 2013 10:44AM
For the purposes of BFC, a "mirror matrix" reverses the windings, and so must be detected by the rendering engine and dealt with automatically. BFC doesn't care about the actual final geometry, so the fact that it also creates a mirror image doesn't apply to the BFC spec.

The following from the spec should answer your other question (emphasis added):

Quote

Marking a file as BFC-compliant only directly affects that file. In order for subfiles to be treated as compliant, they must also be marked as compliant. Additionally, with the exception of parts, a file is only treated as being BFC-compliant if it and all of its superfiles are compliant. The reason for this is that, while processing, there is no way to know the intended inversion state of a subfile when the file's superfile isn't BFC-compliant. The reason that part files can be excepted from this rule is that they are complex closed solids, so there is never a valid reason to invert them. Assuming part files are never inverted allows the rendering engine to apply BFC-processing on certified parts, even if the calling file(s) (for example, the main model file or sub-models of the main model) aren't certified.
SubjectAuthorViewsPosted
Regarding rendering of parts Athanasios Gaitatzes549April 08, 2013 06:39AM
Re: Regarding rendering of parts Roland Melkert285April 08, 2013 10:12AM
Re: Regarding rendering of parts Athanasios Gaitatzes279April 08, 2013 10:43AM
Re: Regarding rendering of parts Roland Melkert281April 08, 2013 12:05PM
Re: Regarding rendering of parts Travis Cobbs286April 08, 2013 12:16PM
Re: Regarding rendering of parts Travis Cobbs279April 08, 2013 10:44AM
Re: Regarding rendering of parts Athanasios Gaitatzes280April 08, 2013 01:12PM
Re: Regarding rendering of parts Tim Gould283April 08, 2013 02:33PM
Re: Regarding rendering of parts Roland Melkert287April 08, 2013 02:37PM
Re: Regarding rendering of parts Travis Cobbs305April 08, 2013 04:28PM
Re: Regarding rendering of parts Ben Supnik254April 09, 2013 06:35PM
Re: Regarding rendering of parts Tim Gould262April 09, 2013 06:56PM
Re: Regarding rendering of parts Athanasios Gaitatzes254April 09, 2013 11:29PM
Re: Regarding rendering of parts Ben Supnik239April 10, 2013 07:13AM
Re: Regarding rendering of parts Athanasios Gaitatzes250April 10, 2013 07:51AM
Re: Regarding rendering of parts Paul Griffin237April 12, 2013 10:34PM
Re: Regarding rendering of parts Athanasios Gaitatzes270April 13, 2013 03:05AM
Re: Regarding rendering of parts Paul Griffin321April 13, 2013 10:56AM



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