 | | Re: CW/CCW, vertex sequence, co-planar, convex, (115kB)
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(...) I mirror sub-parts often in my models (for hoses, wings, etc.). Would this require an INVERT? --Bram Bram Lambrecht / o o \ BramL@juno.com ---...---oooo-----(_...o---...--- WWW: (URL) (25 years ago, 3-Oct-99, to lugnet.cad.dev)
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| | Re: CW/CCW, vertex sequence, co-planar, convex, (115kB)
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Steve: (...) Hmm??? Yes you're right (again :-). Play well, Jacob ---...--- -- E-mail: sparre@cats.nbi.dk -- -- Web...: <URL:(URL) -- ---...--- (25 years ago, 3-Oct-99, to lugnet.cad.dev)
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| | Re: Comprehensive meta-command list
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Gary Williams: (...) Yes, but I don't think they are well known anyway: 0 TITLE <description> is an alternative to just using the first line in a file for the description of the file. 0 NOFILE terminates a model in a MPD file (so does another FILE (...) (25 years ago, 3-Oct-99, to lugnet.cad.dev)
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| | Re: Hidden surface removal, and vertex order in part/primitive DAT files
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(...) Instead of asking the user, the program could first try to cast rays and then only if there are any faces left it asks the user. I've started writing my own converter and it worked correctly with the 'standard' bricks but had a few problems (...) (25 years ago, 3-Oct-99, to lugnet.cad.dev)
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| | Comprehensive meta-command list
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I'm attempting to compile a list of all meta-commands...did I miss anything? Current (From the LDraw FAQ): 0 <description> If the first line of the file is a comment, it's assumed to be the description of the file. 0 STEP Used to indicate the end of (...) (25 years ago, 3-Oct-99, to lugnet.cad.dev)
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| | Re: CW/CCW, vertex sequence, co-planar, convex, (115kB)
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Steve Bliss wrote in message <37f4edd7.8510607@lu...et.com>... (...) are (...) rotated (...) thinking. (...) Possibly. I'm not to great when it comes to expressing myself. I think if an even number of mirror operations are performed on a part, its (...) (25 years ago, 3-Oct-99, to lugnet.cad.dev)
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| | Re: CW/CCW, vertex sequence, co-planar, convex, (115kB)
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(...) OIC now. I think. If an asymmetrical part is mirrored, it keeps the same shape, but is turned inside out. To get it right-side-out again, it must be re-mirrored. In other words, there's no way to produce left- and right-handed pairs of (...) (25 years ago, 3-Oct-99, to lugnet.cad.dev)
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| | Re: CW/CCW, vertex sequence, co-planar, convex, (115kB)
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(...) Jacob: (...) Why? Having a negative determinate *should* turn subfiles inside-out. IMO. That's a useful function. Having programs checking determinates is not useful, and wastes rendering time. Steve (25 years ago, 3-Oct-99, to lugnet.cad.dev)
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| | Re: Hidden surface removal, and vertex order in part/primitive DAT files
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(...) We're it. So to speak. Steve (25 years ago, 3-Oct-99, to lugnet.cad.dev)
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| | Re: Hidden surface removal, and vertex order in part/primitive DAT files [DAT]
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(...) 578 is compliant because it contains *only* subfile references, which have been verified to not mess up (C)CW-ness. But that doesn't mean the *subfiles* are compliant. It also assumes the compliant subfiles are oriented the way the author (me) (...) (25 years ago, 3-Oct-99, to lugnet.cad.dev)
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