 | | Re: 3D Transformations Architecture Question
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(...) Well thanks for spoiling my day :) I tried orions file and discovered a design flow in my new LD4DStudio renderer. It looks like this: (URL) seems Orion uses the rotation matrix to mirror some parts, this totally F-ups my normals :( And there (...) (19 years ago, 13-Jul-07, to lugnet.cad)
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| | Re: 3D Transformations Architecture Question
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(...) Sorry. I guess I didn't fully understand why you wanted to do the pre-multiplies. Hopefully this reply will be closer to what you are looking for. LDView 1.0 did exactly what you suggest. It calculated the final coordinates for every single (...) (19 years ago, 13-Jul-07, to lugnet.cad, FTX)
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| | Re: 3D Transformations Architecture Question
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(...) Travis, Thanks, but that answer is exactly what I was trying to avoid in this discussion. I understand about creating a transformation matrix, a camera matrix and a projection/perspective matrix. I understand about compositing them all for a (...) (19 years ago, 13-Jul-07, to lugnet.cad, FTX)
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| | Re: 3D Transformations Architecture Question
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(...) Actually, based on what you write after the above, this is a "How do you draw in 3D?" question, which is fairly close to "How do you do 3D?". The implementation details of how 3D gets drawn to the screen tend to answer all your questions. When (...) (19 years ago, 13-Jul-07, to lugnet.cad, FTX)
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| | Re: 3D Transformations Architecture Question
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Basically you keep 1 copy of the object with its vertices in their original position (local or model space). You take the local to world, world to view, view to projection and projection to viewport matrices and multiply them to get a single (...) (19 years ago, 13-Jul-07, to lugnet.cad)
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| | 3D Transformations Architecture Question
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Feedback from the guys who built the viewers (LDGlite, LDView, etc) would be really great on this. I have a project, not Lego, but similar and I'm writing some software for 3D viewing and manipulation of items. The LDraw architecture is a good match (...) (19 years ago, 12-Jul-07, to lugnet.cad)
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| | Re: LDD goes Technic
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(...) I must say they chose a very creative solution to the issue of how to run cables :) (so as not to tease, each end of a cable is represented by the modular connector and a small length of wire. Colored arrows are used to match up which end runs (...) (19 years ago, 11-Jul-07, to lugnet.general, lugnet.cad)
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| | LDD goes Technic
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OK, it looks like the Mac version isn't quite ready for prime-time, but I'm curious if anybody else has noticed this: (URL) tried it out yet? I've got one model (my NXT remote) already made, and the learning curve was far easier than I expected (it (...) (19 years ago, 10-Jul-07, to lugnet.general, lugnet.cad)
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| | Re: Optional Lines Calculator utility
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(...) Now, not know !!!! Philo (19 years ago, 6-Jul-07, to lugnet.cad, FTX)
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| | Optional Lines Calculator utility
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I know host (URL) OLC>, a neat program written by Richard Baxter which calculates conditional lines of a LDraw file. I have also made some minor improvements to my own (URL) Isecalc> and (URL) Linetrim>. Enjoy, Philo (19 years ago, 6-Jul-07, to lugnet.cad, FTX)
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| | 4939/4891 Creator Alternate Models
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Here are some little vehicles I built from the the (URL) 4891 Highway Haulers> set: a nasty rat rod and a rugged prerunner (an off road truck). These can be built at the same time from a single set. (URL) rod front>> (URL) rod rear>> (URL) front>> (...) (19 years ago, 4-Jul-07, to lugnet.announce.moc, lugnet.cad, FTX) !
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| | Re: Paging Tim Gould, Paging Tim Gould....
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(...) John, I am in no way a POV-Ray expert (I'm pretty much a novice) but I have done it on a Mac. The tools I use after putting together the model using ldglite or MacBrickCAD or Bricksmith are the Mac OS X version of L3P, POV-Ray 3.6, and (...) (19 years ago, 3-Jul-07, to lugnet.trains, lugnet.cad)
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| | Re: Paging Tim Gould, Paging Tim Gould....
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(...) I could be wrong, but that image looks like it came out of LDView 3.2. --Travis (19 years ago, 3-Jul-07, to lugnet.trains, lugnet.cad, FTX)
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| | Re: Paging Tim Gould, Paging Tim Gould....
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(...) Hmmmmm... do I give my secrets away or not? ;) In truth I don't think my renderings are close to the nicest but they are very cheap in terms of time for a fairly high reward (or at least one I like). Unfortunately right now is not a good time (...) (19 years ago, 2-Jul-07, to lugnet.trains, lugnet.cad, FTX)
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| | Paging Tim Gould, Paging Tim Gould....
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I'd really appreciate your help, Tim. As you now know, I'm a Mac person and so I never got into MLCAD, and haven't really explored Bricksmith too much. Ross, however, has puttered in MLCAD, and can create models fine (although he needs to learn (...) (19 years ago, 2-Jul-07, to lugnet.trains, lugnet.cad, FTX)
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| | LDraw.org's June 2007 Model and Scene of the Month Winners
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Congratulations to the winners of the June 2007 Model/Scene Of The Month (MOTM/SOTM) contests: (URL) MOTM, Lotus 49B by Luca Rusconi (RoscoPC)> (URL) POTM - Best Part, Technic Sprocket Wheel 40.4 by Donald Sutter (technog)> (URL) POTM – Most Desired (...) (19 years ago, 1-Jul-07, to lugnet.cad, lugnet.cad.dev.org.ldraw, lugnet.announce, FTX)
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| | Re: First few parts James Jessiman made
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(...) If you download and install ldraw.exe (the ORIGINAL dos installer) it will give you the original files that James created for LDraw. -Ahui LDraw Help Desk (19 years ago, 28-Jun-07, to lugnet.cad)
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| | Re: First few parts James Jessiman made
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(...) Pretty sure the first ones were 3001, 3002, and 3003. The original default model was PYRAMID.DAT, which only uses 2x4 and 2x2 bricks. --Bram (19 years ago, 27-Jun-07, to lugnet.cad)
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| | First few parts James Jessiman made
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Does any one know the order of the first several parts James Jessiman made and what they were? Looking for the first 2-8 brick elements. Thanks in advance, Mike Gallagher MIKESLGEO (19 years ago, 26-Jun-07, to lugnet.cad)
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| | Commemoration of the 10th anniversary of James Jessiman's passing
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On the 25th July 1997, James Jessiman passed away due to complications from the flu. The LDraw Steering Committee would like to commemorate the 10th anniversary of this sad day with a tribute page to James and his great foundation. We invite you to (...) (19 years ago, 24-Jun-07, to lugnet.cad, lugnet.cad.dev.org.ldraw, lugnet.announce) !!
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