 | | Re: Hidden surface removal, and vertex order in part/primitive DAT files
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Michael Lachmann: (...) I think we agreed to use 0 CW and 0 CCW lines in the beginning of the files to indicate (C)CW compliancy, but you should have a look at what Steve actually has written in his parts. (...) It would be very nice if you (...) (25 years ago, 1-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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You mentioned that some parts have a "0 CW-Compliant" tag. Could we do something to make this a standard? Because than I could read this tag in MLCad and make the drawing faster!!!!! Tell me what you think! Mike (...) John VanZwieten wrote in (...) (25 years ago, 1-Oct-99, to lugnet.cad.dev)
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| | Re: CW/CCW, vertex sequence, co-planar, convex, (115kB)
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(...) MAX2DAT isn't really meant to be a comprehensive part authoring tool... it's easy to build simple objects (like a 2x2 tile or 1x1 round plate) directly in LEdit with primatives... but objects like complex technic pieces, wheels, etc often have (...) (25 years ago, 1-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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Gary Williams wrote in message ... (...) Okay, I made a bad assumption there, since a group of polygons may terminate flush against another polygon, without touching its edges. But still I think a performance improvement could be realized by using (...) (25 years ago, 30-Sep-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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Jean-Pierre PARIS wrote in message <37F3B871.74AE196F@w...doo.fr>... (...) My algorithm doesn't require the vertices to exactly match; I was intending to pass one ray per polygon through the dat object, not an arbitrarily large number. And only if (...) (25 years ago, 30-Sep-99, to lugnet.cad.dev)
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| | Re: *** PANEL 2409 ***
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(...) Ok, but I'm 95% sure that's where I grabbed the copy for ldraw.org originally.. :) Downloading now... -Tim Courtney ldraw.org Project Coordinator (URL) timcourtne ICQ: 23951114 (25 years ago, 30-Sep-99, to lugnet.cad.dev)
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| | Re: *** PANEL 2409 ***
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(...) I'm almost positive that the ldraw.exe at: (URL) include those updates, so Tim, please grab a copy. --Bram Bram Lambrecht / o o \ BramL@juno.com ---...---oooo-----(_...o---...--- WWW: (URL) (25 years ago, 30-Sep-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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Hello, Ok guys, I already announced that I coded such a tool in Java. At present, only one Ldrawer has asked for the code. In fact, it's an alpha release. Thus, I should find beta testers first. Anyway it has already translated some pieces! Here is (...) (25 years ago, 30-Sep-99, to lugnet.cad.dev)
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| | Re: To Tore Eriksson
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(...) They could also be differentiated simply by appending Type 1 and Type 2 to the name. Steve (25 years ago, 30-Sep-99, to lugnet.cad.dev)
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| | Re: CW/CCW, vertex sequence, co-planar, convex, (115kB)
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John VanZwieten wrote in message ... (...) primitive (...) the (...) ray (...) A hypothetical batch dat fixer program could examine the primitives first and flag the ones that were not closed volumes, since those would be the only ones that would (...) (25 years ago, 30-Sep-99, to lugnet.cad.dev)
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