 | | Re: Unusual View matrices in LDRAW.INI
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"Don Heyse" <dheyse@hotmail.spam....away.com> wrote in message news:G1xC6x.7nK@lugnet.com... (...) mathematical (...) you (...) the (...) To be perfectly honest, I can't really remember how I came up with them. I think I actually started with the (...) (24 years ago, 5-Oct-00, to lugnet.cad.dev)
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| | Re: tubing
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Larry Pieniazek wrote... (...) The clue is to prevent L3xx from finding 76.dat in PARTS. This can also be achieved by adding 76.dat to your MPD. /Lars (24 years ago, 5-Oct-00, to lugnet.cad.dev, lugnet.cad.mlcad)
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| | Re: More tips for L3P
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Manfred, Well, I'm sorry, but though I did follow all your instructions completely (I think) none of them really fixed my problem, but they did give me insight into how to write a Batch file. Here's what I did to get L3P to run correctly: I put (...) (24 years ago, 5-Oct-00, to lugnet.cad.dev)
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| | Re: Does this part exist?
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"Anders Isaksson" <isaksson.etuna@REMO...tninet.se> wrote in message news:G1v4rL.CE3@lugnet.com... (...) (URL), (...) I just downloaded this as I too am having a tough time finding parts (in particular the red piece from 6033 Traitor Transport that (...) (24 years ago, 5-Oct-00, to lugnet.cad.dev, lugnet.cad.dat.parts)
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| | Re: tubing
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(...) file. (...) Hmm... maybe then I need to generate my own custom version of 76.dat by not resizing/scaling but instead reshaping it to be the right length. I need to look at that. (callit 76_26plates.dat when it is 26 plates long, etc.) Like I (...) (24 years ago, 5-Oct-00, to lugnet.cad.dev, lugnet.cad.mlcad)
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| | Re: tubing
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Larry Pieniazek wrote... (...) No, I'm afraid this won't work. The 76.dat is NOT somewhere else, it is still in PARTS. You only move the referencing line type 1 to another file. (I take it you are referring to Steve's 112.dat) The clue is to prevent (...) (24 years ago, 5-Oct-00, to lugnet.cad.dev, lugnet.cad.mlcad)
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| | Re: Unusual View matrices in LDRAW.INI
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(...) In L3Lab, you can find the current view matrix in the statistics menu item. It is useful for usage with, e.g., LDLITE and LDraw. Fredrik (24 years ago, 5-Oct-00, to lugnet.cad.dev)
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| | Re: tubing
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(...) MPD. (...) MLCad (...) either (...) Great sleuthing. I'd say that is it. The suggestion given earlier to create an ersatz part that embeds the scaled 76 in it, ensuring that the 76 is somewhere else, sounds like it might fool your scaler into (...) (24 years ago, 5-Oct-00, to lugnet.cad.dev, lugnet.cad.mlcad)
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| | BMP-to-LDraw32 Converter new release 0.95 !!!
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Hello ! I've just updated my BMP-to-LDraw converter windows tool. I added 3 more palettes (2 with dithered colors) and the possibility to choose your palette. BMP-to-LDraw runs under Win95/98/ME/2000 and convertes logo-bitmaps of LEGO-bricks to (...) (24 years ago, 4-Oct-00, to lugnet.cad, lugnet.cad.dat.ideas, lugnet.cad.dat.parts, lugnet.cad.dev, lugnet.cad.ray)
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| | Re: Unusual View matrices in LDRAW.INI
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I knew there was a way to decompose the matrices! But I couldn't find it. Where is that written down? I also thought there was a way to remove the cumulative round off errors in a transformation matrix after many matrix multiplications. Do you (...) (24 years ago, 4-Oct-00, to lugnet.cad.dev)
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| | Re: Unusual View matrices in LDRAW.INI
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(...) LDAO writes those entries to ldraw.ini. I'm not sure if any other programs update that section or not. The "Oblique" view is the default view for LDraw, and was also used for LDLite (I think) and L3Lab. "UpsideDown" is derived from "Oblique". (...) (24 years ago, 4-Oct-00, to lugnet.cad.dev)
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| | Re: Unusual View matrices in LDRAW.INI
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OK now we're getting somewhere. Thanks for providing the exact mathematical representations of those numbers. Now I'm gonna have to figure out how you calculated them. :-) (I just had the computer do the work and print out the decimal (...) (24 years ago, 4-Oct-00, to lugnet.cad.dev)
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| | Re: Unusual View matrices in LDRAW.INI
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I believe the matrix happens to produce a standard isometric view, but doesn't do so in the traditional 3D graphics way of rotation. This means that in addition to not looking right after rotation, it also doens't produce correct results when you (...) (24 years ago, 4-Oct-00, to lugnet.cad.dev)
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| | Re: part skins (was Re: some thoughts on ldraw parts)
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(...) It's not always this easy. Some parts just cannot be constructed out of the primitives - or the scaling/transformation is just too difficult to figure out. Examples are those with complex curves (like the wizard's hat), or complex (...) (24 years ago, 4-Oct-00, to lugnet.cad.dev)
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| | Re: Unusual View matrices in LDRAW.INI
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(...) I don't know their origin, but you're right, there's a shear component in them. Here's what a matrix decomposition shows: (...) Scale : (1.5, 0.942809, 1.41421, 0) Rotate : (0.321751, 0.729728, 0.463648, 0) Translate : (0, 0, 0, 0) Shear : (...) (24 years ago, 4-Oct-00, to lugnet.cad.dev)
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| | Re: part skins (was Re: some thoughts on ldraw parts)
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(...) You are correct on both points. The primary value of the tool at this point is that it removes the tedium of defining polygons to connect vertices. It's a start! (...) Your edge-detection suggestion is certainly the ideal, but would get a bit (...) (24 years ago, 4-Oct-00, to lugnet.cad.dev)
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| | Re: More tips for L3P
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(...) Move L3P.exe to a different directory, for instance C:\Pov, and change the path reference in the last line of L3P.bat accordingly. This way you can still use way the DOS-window openened with the shortcut for L3P for running Ldraw.exe also. (...) (24 years ago, 4-Oct-00, to lugnet.cad.dev)
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| | Re: part skins (was Re: some thoughts on ldraw parts)
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(...) Cool beans! (...) Define "feed" in this context... an ordered vertex list? That's still hard to do, what is needed is an app that lets me create these regions superimposed on a bitmap. (...) Er, ah, kind of like that. (...) I think this is an (...) (24 years ago, 4-Oct-00, to lugnet.cad.dev)
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| | Re: Another license draft
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Sorry it's taken me so long to get back to this -- I've been too busy to really dig into it. Overall, I think this is a decent *redistribution* license. It does not address: 1. The agreement(s) between the contributors and ldraw.org. 2. The fact (...) (24 years ago, 4-Oct-00, to lugnet.cad.dev)
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| | Re: More descriptions
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(...) Thanks for pointing this out. I can't check into this right now -- I'm wondering if there's some obscure reason behind this (besides me not being careful) -- but I will delve into the matter ASAP. Steve (24 years ago, 4-Oct-00, to lugnet.cad.dev)
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