 | | Re: BFC: LITS 2
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(...) Oh, good. :) I wasn't sure before, but after posting a follow-up to John today, I figured it out. Now, about those transparent parts with decorations... Steve (25 years ago, 7-Apr-00, to lugnet.cad.dev)
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| | Re: BFC: LITS 2
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(...) I think we're using different meanings here. By 'local clipping', I mean the clip-setting in a subfile disappears when that subfile is finished. It is not carried back up to the superfile, and it is not reinstated if the same subfile is used (...) (25 years ago, 7-Apr-00, to lugnet.cad.dev)
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| | Re: BFC: LITS 2
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(...) Unless we have a solution to the invert case, the document's assertion is correct. (...) I think you are correct that NOWIND/UNKNOWN is not important/needed. For now, let's proceed assuming that decorations will be handled by using NOCLIP or (...) (25 years ago, 7-Apr-00, to lugnet.cad.dev)
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| | Re: BFC: LITS 2
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(...) I've kept thinking about it, and I don't see a solution. There are some algorithms that can figure out the normal/inverted question in some cases, but these algorithms would be too slow to implement in a rendering program. And they are not (...) (25 years ago, 7-Apr-00, to lugnet.cad.dev)
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| | Re: 71184 Bar 4.5L Straight is too short
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(...) I don't have the fix, but I did locate it on lugnet.cad.dat.parts. Normally, I'd require you to e-mail me the fix before I'd put it in an official release, but since you're a good modeler, I'll let it go this once. Just don't tell anyone. ;) (...) (25 years ago, 7-Apr-00, to lugnet.cad.dev)
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| | Re: Some Words To BFC
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(...) OK, here's a counter-proposal: don't require all parts/primitives to be BFC'able, and allow both BFC-ready and BFC-not-ready files in the same rendering. This reintroduces the concept of having a single meta-statement at the start of each (...) (25 years ago, 7-Apr-00, to lugnet.cad.dev)
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| | Re: Performance Improvement [DAT]
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(...) As I said before, in this case it's more correct to use 3-4disc primitive, to avoid the T type juntions. (...) Yes, cracks may appear ! Same problem like in a T type junction But has someone said, nothing like real/concrete testing, so here (...) (25 years ago, 7-Apr-00, to lugnet.cad.dev)
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| | Re: Performance Improvement
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Steve: (...) I can't see how Rui's suggested change gives any problems at all and I don't mind a few percent speed increase. (...) And? Does the "diameter line" not cross the radius? If there is a significant risk of a misalignment, then we (...) (25 years ago, 7-Apr-00, to lugnet.cad.dev)
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| | Re: Some Words To BFC
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On Fri, 7 Apr 2000, Leonardo Zide wrote: [...SNIP...] (...) Actually I think you missunderstood something (or maybe I did), but the 0 INVERSE meta command is to be used ONLY with file references, that is: 0 INVERSE 1 16 x y z a b c d e f g h i (...) (25 years ago, 7-Apr-00, to lugnet.cad.dev)
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| | Re: BFC checking program (was Re: Some Words To BFC)
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I seem to be missing a required .dll file: MFC42D.DLL. Can you send this, or can I find it somewhere else? -John Van (...) (25 years ago, 7-Apr-00, to lugnet.cad.dev)
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| | Re: Some Words To BFC [DAT]
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(...) I don't mind that because I preprocess the files anyway and anyone who wants to get a good speed increase should do the same. But it's not a good idea to turn on/off BFC several times and in some cases, it's nicer to have the faces reversed. (...) (25 years ago, 7-Apr-00, to lugnet.cad.dev)
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| | BFC checking program (was Re: Some Words To BFC)
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(...) I'm assuming that you're calling "BFC-ready" primitives that have all faces in the same direction. Primitives are not closed volumes so you'll always be able to see the backfaces. (...) I agree technically it doesn't make much difference, I (...) (25 years ago, 7-Apr-00, to lugnet.cad.dev)
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| | Re: Some Words To BFC
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Steve Bliss <blisses@worldnet.att.net> wrote in message news:a5mpess6nipq4bp...4ax.com... snip (...) Me too. -John Van (25 years ago, 6-Apr-00, to lugnet.cad.dev)
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| | Re: 71184 Bar 4.5L Straight is too short
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(...) Yeah, I fixed it once (and posted the fixed file), but I don't know if my fix ever made it to an official update... --Bram Bram Lambrecht / o o \ BramL@juno.com ---...---oooo-----(_...o---...--- WWW: (URL) (25 years ago, 6-Apr-00, to lugnet.cad.dev)
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| | Re: Some Words To BFC
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Steve Bliss <blisses@worldnet.att.net> wrote in message news:i86oessafp98dp6...4ax.com... (...) These are both very good criticisms of my proposal--so I'll just modify my proposal :) If we fix all the official parts, then the renderer doesn't (...) (25 years ago, 6-Apr-00, to lugnet.cad.dev)
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| | Re: Some Words To BFC
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(...) As someone pointed out once, it's not a big deal to get all windings the same before passing the data to OpenGL. Just swap the order of the points. For quads, switch points 2 and 4. For triangles, switch points 2 and 3. This could/should be (...) (25 years ago, 6-Apr-00, to lugnet.cad.dev)
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| | Re: 71184 Bar 4.5L Straight is too short
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(...) I'll doublecheck this issue tonight. Seems like we had this discussion before, but I don't remember the details. Argh. Steve (25 years ago, 6-Apr-00, to lugnet.cad.dev)
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| | Re: Some Words To BFC
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(...) The primitives should be the first thing fixed, in any case. :) I think it would be safe for the cleanup program to assume that primitives are BFC-ready. Which could be a help for automatic cleanup of part files. (...) Some technical points: (...) (25 years ago, 6-Apr-00, to lugnet.cad.dev)
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| | Re: Some Words To BFC
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(...) Would it help to get primitive files cleaned up, and then make use of what is known of the faces in the primitive to decide the orientation of faces in the part? What I mean is, if you follow a ray from the center of a face, and the (...) (25 years ago, 6-Apr-00, to lugnet.cad.dev)
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| | Re: The geometry of minifigs
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(...) No, it doesn't. But it has the head, arms, hands, legs and hips. Fredrik (25 years ago, 6-Apr-00, to lugnet.cad.dev)
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