 | | Re: Looking for DAT of Wedge Curved 2x6x1
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(...) Great! And thanks for the part numbers. I found these new wedges to be great because their notches allow you to treat them like an ordinary brick (as opposed to the spacecraft-nose wedge (6069 Wedge 4x4 Triple) where you can't just stick it (...) (23 years ago, 14-Feb-02, to lugnet.cad.dev)
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| | Re: Looking for DAT of Wedge Curved 2x6x1
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(...) I just picked up set# 7119, Twin-Pod Cloud Car, for the specific purpose of having these four pieces. I've started writing my notes for encoding these into LDraw files. FWIW, here are the part numbers (and descriptions): 41747, "Wedge 2 x 6 (...) (23 years ago, 13-Feb-02, to lugnet.cad.dev)
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| | Re: Drawing triangles in a Z buffer
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Graphics Gems covers basic stuff only where the presenter has an innovation. But they've been very good over the years. You can get any of their example source code online. Do pay a visit here: (URL) guys were in Gems IIR, and their book is worth (...) (23 years ago, 13-Feb-02, to lugnet.cad.dev, lugnet.off-topic.geek)
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| | Re: Drawing triangles in a Z buffer
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"Sproaticus" <jsproat@io.com> skrev i meddelandet news:GrGFrK.9nJ@lugnet.com... (...) There must surely be one (or more) in Graphical Gems (URL) (if that URL still is valid, otherwise search for Graphical Gems) a bit dated, c code, but useful. -- (...) (23 years ago, 13-Feb-02, to lugnet.cad.dev, lugnet.off-topic.geek)
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| | Re: Drawing triangles in a Z buffer
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(...) If you don't mind C code, there's the zAddTriangle() function in stub.c in the ldlite or ldglite source code. The old 1.6 ldlite source is a bit easier to follow since it doesn't have all the extra shaders. Also, it's a linear z-buffer, which (...) (23 years ago, 13-Feb-02, to lugnet.cad.dev, lugnet.off-topic.geek)
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| | Re: Drawing triangles in a Z buffer
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(...) I may be missing your point/problem but... Think you may need to go bi-linear in your Z calcs. Yes this makes a Suppos'dly one pixel lookup method a two+ per pixel but if you are already using a scan line method you have the precalculated (...) (23 years ago, 13-Feb-02, to lugnet.cad.dev, lugnet.off-topic.geek)
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| | Re: Drawing triangles in a Z buffer
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Here is one starting point: (URL) of free information, there is at least one quick-and-dirty FAQ under there written by an excited child. You're looking for something about triangle or scan line rasterization with z-buffer. I assume you've done (...) (23 years ago, 13-Feb-02, to lugnet.cad.dev, lugnet.off-topic.geek)
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| | Drawing triangles in a Z buffer
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Hey all, In trying to implement a LDraw renderer I've been scouring the web looking for raster-painting algorithms. While I've found plenty of line-drawing algorithms (the Bresenham seems to be pretty nice) I haven't found squat for drawing a filled (...) (23 years ago, 13-Feb-02, to lugnet.cad.dev, lugnet.off-topic.geek)
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| | Re: LDraw.org Tutorials - Categorization, Storage, Indexing, etc...
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(...) Yeah, that's basically what I was thinking. Take Tim's tutorial page content and stick it in Microsoft Help. I don't know about other operating systems, though. SO, I wouldn't know about the types of software that would be appropriate. (23 years ago, 13-Feb-02, to lugnet.cad.dev.org.ldraw)
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| | Re: A comprehensive LDraw object model
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(...) I'm hoping within a couple of month or so (beta with a month or so), but it really depends on how this project goes, and the schedules of anyone who wants to contribute. (...) That shattering sound you just heard was my jaw hitting the floor. (...) (23 years ago, 12-Feb-02, to lugnet.cad.dev)
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| | Re: [Re: Introductions]
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(...) I will e-mail you my .emacs file and we can have a mail discussion about setting it up. [snip] (...) I think we need to get a good design first. The language we chose should be secondary. A good design may reaveal the best language(s) (...) (...) (23 years ago, 12-Feb-02, to lugnet.cad.dev.mac)
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| | Re: Any help I can offer I will
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Brian, Right now we need someone to make some webpages, specifically this one: (URL) don't know if Matthew Gerber is in charge of it or not. He already has some other web/graphic designers in contact with him. I know Matthew is really busy with (...) (23 years ago, 12-Feb-02, to lugnet.cad.dev.mac)
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| | Re: [Re: Introductions]
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(...) Don, You should see me. When I first got my job at the library I am at, I go and ask the Window's tech, "How do you cancel a dialog box with the keyboard?" They say, "hu?" I say, "You know, they keyboard shortcut for canceling dialogs. On a (...) (23 years ago, 12-Feb-02, to lugnet.cad.dev.mac)
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| | Re: Any help I can offer I will
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(...) Put your hat back on, and put your money back in your pocket, please. There seem to be people willing to help and plenty of ideas to go around. Actually, I think the volume of disparate ideas has been a hindrance as someone else already (...) (23 years ago, 12-Feb-02, to lugnet.cad.dev.mac)
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| | Re: [Re: Introductions]
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(...) Oooh, I realize this is off topic here, but did you get the JDEE to work in windows? If so, could you help me out and tell me which versions of everything you have that actually work together? I tried to put this together with xemacs and (...) (23 years ago, 12-Feb-02, to lugnet.cad.dev.mac)
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| | [Re: Introductions]
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Hi, I'm Mark Abrams. I hope this is not a duplicate but the previous post I sent doesn't appear to have made it here. I have 2 bachelors degrees - one in studio art and the other in computer science. I am currently employed as a Java developer. My (...) (23 years ago, 12-Feb-02, to lugnet.cad.dev.mac)
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| | Re: TO: Mark Abrams
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(...) I was mistakenly replying to you and not posting to the group. I kept wondering why they weren't showing up. Anyhow, I think I've got it now. I will post my mail now. Mark (23 years ago, 12-Feb-02, to lugnet.cad.dev.mac)
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| | Re: A comprehensive LDraw object model
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"Kyle McDonald" <kmcdonald@bigfoot.com> schrieb im Newsbeitrag news:3C66F9C8.207030...oot.com... (...) I have made two charts, one for file loading and one for file structure (URL) this location I can place futhermore our conclusions, when we get (...) (23 years ago, 12-Feb-02, to lugnet.cad.dev)
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| | Re: Re[2]: Movement and friction
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(...) I agree. Although I called it friction, I didn't mean the true physical property. It seems to me that the difference between grey pins and black pins is structural in nature: they are different connectors from a builder's point of view. I (...) (23 years ago, 12-Feb-02, to lugnet.cad.dev.lcd)
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| | Any help I can offer I will
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Unfortunately I dont have a detailed programming background... however I have been involved in Creating instructions and designs with LDRAW and MLCAD processes through the use of a pc. I am a native Mac user and come from more of a graphic design (...) (23 years ago, 12-Feb-02, to lugnet.cad.dev.mac)
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| | TO: Mark Abrams
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Mark, I have gotten your email. I have a few comments for you but all of your emails keep getting bounced back to me. I assume you are subscribed to this list. Have you figured out how to post to it? First, you have to setup yourself as a new user: (...) (23 years ago, 12-Feb-02, to lugnet.cad.dev.mac)
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| | A comprehensive LDraw object model
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There is currently a discussion brewing on developing some LDraw frameworks that would make it easy for programmers (even me!) to write LDraw applications in Java, c++, python, and perl. Check it out here: (URL) here is a template of the object (...) (23 years ago, 12-Feb-02, to lugnet.cad.dev.mac)
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| | Re: OS 8.6
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(...) I have been suggesting some directions hoping others would pick one up that they liked. Most of the directions were suggested to me by developers who I haven't heard from since they suggested the idea, so I am just assuming they have lost (...) (23 years ago, 12-Feb-02, to lugnet.cad.dev.mac)
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| | Re: A comprehensive LDraw object model
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(...) OK. This is sounding very yummy. When can we start using the frameworks. (...) Nonsense. I got to work and home just fine today, and I even found parking right across from where they had the opening ceremonies. :-) James (23 years ago, 12-Feb-02, to lugnet.cad.dev)
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| | Re: A comprehensive LDraw object model
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(...) Could you give us an example? By looking at what you've written, I don't understand if one needs an ending tag, or not, to complete the '0 DETAIL' command. Where in the text of the file would this go? How would it look? Thanks a lot. Much (...) (23 years ago, 11-Feb-02, to lugnet.cad.dev)
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| | Re[2]: Movement and friction
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Earlier on Mon, 28 Jan 2002 23:28:01 GMT on lugnet.cad.dev Ross Crawford<rcrawford@csi.com> wrote: ---...--- RC> I can see one limitation - the fact that technic axles are actually RC> significantly smaller than the holes in the bricks (round holes, (...) (23 years ago, 12-Feb-02, to lugnet.cad.dev.lcd)
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| | More on BrickDraw3D OO design
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I had to close that post before I could mention where all that discussion was going. Briefly, I have been trying from the start to design BrickDraw3D's C++ classes to separate geometry and graphics from the application framework (in this case (...) (23 years ago, 11-Feb-02, to lugnet.cad.dev.mac)
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| | Re: Movement and friction
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I haven't commented substantially on LCD, so maybe I should. I am contemplating an algorithm that will find all of the possible stud-insertion points on a part. The obvious way to do this is to recognize the tube or enclosing box with their (...) (23 years ago, 11-Feb-02, to lugnet.cad.dev.lcd)
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| | Re: Movement and friction
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(...) I think it probably is. The situations I'm thinking about are: 1. axles in technic bricks, which fit your "no friction" model; 2. the light grey low-friction pins, which could also fit the "no friction" model (with regard rotation); 3. the (...) (23 years ago, 11-Feb-02, to lugnet.cad.dev.lcd)
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| | Re: Movement and friction
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(...) I think it probably is. The situations I'm thinking about are: 1. axles in technic bricks, which fit your "no friction" model; 2. the light grey low-friction pins, which could also fit the "no friction" model (with regard rotation); 3. the (...) (23 years ago, 11-Feb-02, to lugnet.cad.dev.lcd)
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| | Re: A comprehensive LDraw object model
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(...) Well again BFC is only useful for culling surfaces that face away from you. It doesn't really do anything for faces that face you but are blocked by other faces. When I talked about top, left, right, etc, I was envisioning some system by which (...) (23 years ago, 11-Feb-02, to lugnet.cad.dev)
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| | Re: OS 8.6
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My classification into 5 possibilities was only meant to be an overview of what had been suggested so far, so that people could say what they were interested in. Personally I think there should be several programs, with separate code bases, and this (...) (23 years ago, 11-Feb-02, to lugnet.cad.dev.mac)
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| | Re: Movement and friction
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(...) Welcome in my brain, Barney: I was writing about gravity and inertia in this very hour. The approach you describe may be usable, but as for myself, I'm talking in the LMPL proposal about a tensile strength instead. I see some difference. (...) (23 years ago, 11-Feb-02, to lugnet.cad.dev.lcd)
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| | Re: A comprehensive LDraw object model
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"Kyle McDonald" <kmcdonald@bigfoot.com> skrev i meddelandet news:3C671582.801040...oot.com... (...) If the parts are BFC compliant, there's no need to tag for 'top', 'left' etc. as this information is already there in the surface normal (with much (...) (23 years ago, 11-Feb-02, to lugnet.cad.dev)
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| | Re: Movement and friction
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I was thinking of friction as a simple on/off property: connections with friction only move during construction, whereas connections without are free to move under gravity or inertia or other forces during animation of the final model. Is this too (...) (23 years ago, 11-Feb-02, to lugnet.cad.dev.lcd)
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| | Re: OS 8.6
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In lugnet.cad.dev.mac, Don Heyse writes: <snip> (...) As a long time owner, user and developer of mac software, it is my opinion that OS X should not be an exclusive goal. In my mind the goals should be 8.6, 9.x and X. Becuase of some of the (...) (23 years ago, 11-Feb-02, to lugnet.cad.dev.mac)
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| | Re: Movement and friction
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(...) For the time being, Barney, the problem is that if we will have a database at all. Lugnet.CAD.Dev was very enthusiastic when we presented the idea. All wonders endure three days, this was the very example, after the three days came silence. (...) (23 years ago, 11-Feb-02, to lugnet.cad.dev.lcd)
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| | Re: LDraw.org Tutorials - Categorization, Storage, Indexing, etc...
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(...) I agree on PDF: it is small, searchable (you can even create an index of multiple PDF-files which you can search), multi-platform, you can add links, bookmarks, wadda ye want more? Second choice would be html... Well, I'm going back to do my (...) (23 years ago, 11-Feb-02, to lugnet.cad.dev.org.ldraw)
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| | Re: OS 8.6
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Hi Don, OS X is great for Unix-style development. I use it at work for that. However there isn't a decent debugger (gdb doesn't count.) Nor are there memory-bounds checker tools or any of the other niceties we take for granted elsewhere. CodeWarrior (...) (23 years ago, 11-Feb-02, to lugnet.cad.dev.mac)
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| | Re: LDraw.org Tutorials - Categorization, Storage, Indexing, etc...
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(...) analog for a win help file? I guess a man page, perhaps... Are you suggesting keeping all the tutorials in multiple file formats? yah, that could be done, I guess - esp if there was an easy way, to take a single file, and run it through (...) (23 years ago, 11-Feb-02, to lugnet.cad.dev.org.ldraw)
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