 | | Re: numbers report
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(As of 10:50pm, Thursday, 18 April...) Section Totals 183 certified files. 59 files need admin review. 221 files need more votes. 209 have uncertified subfiles. 92 held files. (Total: 764 files.) Almost *two* *hundred* certified files!!! 8-D (...) (22 years ago, 19-Apr-02, to lugnet.cad.dev.org.ldraw)
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| | Re: Checking 48\1-4ring4.dat [DAT]
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(...) Yes, I agree. My Excel spreadsheet created file is varying by 0.0001 to 0.0002. Paul 0 Hi-Res Ring 4 x 0.25 0 Name: 48\1-4ring4.dat 0 Author: Paul Easter 0 Unofficial Primitive 0 BFC CERTIFY CW 4 16 4 0 0 3.9658 0 0.5221 4.9572 0 0.6526 5 0 0 (...) (22 years ago, 19-Apr-02, to lugnet.cad.dev)
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| | 3DMF - BrickDraw3D
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About 2 weeks someone asked me about 3DMF export from BrickDraw3D, but I lost the email. If you're reading this please email me again. I can help you. -Erik (22 years ago, 19-Apr-02, to lugnet.cad.dev.mac)
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| | Duplo Studs (was: [Parts Tracker] Wrapping up 2002-02)
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(...) Update: all four of them are waiting for Admin now. Thank you Carsten! -- Tony Hafner www.hafhead.com (22 years ago, 19-Apr-02, to lugnet.cad.dev.org.ldraw)
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| | Motorcycle rider shortcut
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In this part: (URL) Easter refers at one point to BFCing the file. But there's no BFC stuff in there. It appears that the only change here is the title. Is it possible that Paul added it but then the name fix submission lacked that update? -- Tony (...) (22 years ago, 18-Apr-02, to lugnet.cad.dev.org.ldraw)
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| | Re: [Parts Tracker] Wrapping up 2002-02
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(...) If we want to bulk up the release and clear out a bit more from the tracker, it might be nice to get the Duplo stud primitives certified. Just getting those 4 files certified would get those plus 15 more files into the next release. When the (...) (22 years ago, 18-Apr-02, to lugnet.cad.dev.org.ldraw)
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| | Re: [Parts Tracker] Wrapping up 2002-02
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Since "973ps4" (the Han Solo w/ vest torso) is one of the files that is certified and awaiting release, I need to ask: Weren't we going to switch this file's pattern number with "973ps5" (the Darth Vader torso)?... (Ref: "(URL) (22 years ago, 18-Apr-02, to lugnet.cad.dev.org.ldraw)
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| | [Parts Tracker] Wrapping up 2002-02
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All the Horse files, and most of the primitives updated with BFC'ness, are now certified! The one primitive not yet certified is p\48\1-4ndis.dat, but it is not the sole hold-up for any files. Over the next few days, I'll be working on getting the (...) (22 years ago, 18-Apr-02, to lugnet.cad.dev.org.ldraw)
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| | Re: Why Type 5 Lines?
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(...) Actually, transparent surface should work fine. As long as they are set to write to the Z buffer when drawn, and their outlines are drawn with Z buffer testing enabled, they should work fine. The wireframe parts that aren't supposed to be (...) (22 years ago, 18-Apr-02, to lugnet.cad.dev)
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| | Re: Why Type 5 Lines?
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(...) One problem: transparent surfaces would show the wireframe backside. :\ Steve (22 years ago, 18-Apr-02, to lugnet.cad.dev)
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| | Re: Why Type 5 Lines?
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I was reading through this more, and while I still don't know exactly how it all works, I think I stumbled onto something. > I dont know how many of you have come across this technique before. I > remember finding an OpenGL demo that did this kind (...) (22 years ago, 18-Apr-02, to lugnet.cad.dev)
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| | Re: Why Type 5 Lines?
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(...) Yeah, the stencil buffer, that's gotta be it. If you've got BFC working then you can use the stencil buffer to count how many times an edge is draw in GL_LINE mode. Edges on back facing triangles won't be drawn, so you'll only count one edge (...) (22 years ago, 18-Apr-02, to lugnet.cad.dev)
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| | Re: Why Type 5 Lines?
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(...) That sounds like glPolygonOffset which would be part of the solution because it allows the edges to look clean. We all use that already. (...) I can see how you might accomplish some of that by manipulating glEdgeFlag when you define your (...) (22 years ago, 18-Apr-02, to lugnet.cad.dev)
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| | Re: Why Type 5 Lines?
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(...) OpenGL has glPolygonOffset, which does what you describe by allowing you to move the polygons further away in the Z direction, where the amount they move can depend on the slope of the polygon in the Z direction. This works great, and I use it (...) (22 years ago, 17-Apr-02, to lugnet.cad.dev)
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| | Re: Why Type 5 Lines?
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(...) The obvious case where it's useful is studs - without these lines, viewing any brick from the standard "oblique" position above & to the side, you would see a circle at the top & bottom of each stud, but no sides, which IMHO would not look (...) (22 years ago, 17-Apr-02, to lugnet.cad.dev)
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| | Re: Why Type 5 Lines?
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(...) Well, I believe that there is something called a 'Z offset' that can be used not to actually move the geometry, but to make sure the lines appear 'on top' of the faces. Before I go more into this I need to back up a bit. I currently use the (...) (22 years ago, 17-Apr-02, to lugnet.cad.dev)
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| | Re: Why Type 5 Lines?
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(...) I'm curious to. Everything I know about how OpenGL works says that drawing the strip as a wireframe after drawing it solidly would either produce Z Buffer noise, no wireframe at all, or wireframe all over. However, it may be that there is some (...) (22 years ago, 17-Apr-02, to lugnet.cad.dev)
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| | Re: Why Type 5 Lines?
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(...) Tell more about this. I just tweaked a version of ldview to display type 5 lines, but only for surfaces that haven't been replaced by quad strips. It looks good with primitive substitution turned off, but with this automagic wireframing of (...) (22 years ago, 17-Apr-02, to lugnet.cad.dev)
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| | Re: Why Type 5 Lines?
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(...) I believe that there are other ways to put these lines in, as long as you are *only* planning on using them to show the 'visible' edge of a curved surface. This is actually a question I've been meaning to ask around here, Have type5 lines been (...) (22 years ago, 17-Apr-02, to lugnet.cad.dev)
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| | Re: Why Type 5 Lines?
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(...) On the contrary, I think that type-5 lines are very useful, and an interesting solution. They are a nice way to make sure that rounded objects are outlined with a contrasting colour, no matter where the viewpoint is. The rendering of cylinders (...) (22 years ago, 17-Apr-02, to lugnet.cad.dev)
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