 | | Re: Formalizing a method for handling synthesizable parts
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(...) Thanks Philo, Springs are always part of larger LEGO component, right? Shock absorbers and large pneumatic pumps come to mind. Are there other places they are used? Kevin (...) (22 years ago, 14-Sep-02, to lugnet.cad.dev)
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| | Re: LPub - LEGO Publication made easy!
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I worked on the RIS book that Syngress is going to publish and so I had extensive experience working with LPub. This tool really is amazing. Kevin has put a LOT of work into this program (I know, I bugged him with many questions :) ) and it shows. I (...) (22 years ago, 14-Sep-02, to lugnet.cad, lugnet.cad.dev, lugnet.inst)
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| | Re: LPub - LEGO Publication made easy!
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(...) anyone who creates .ldr/.dat files to download this tool and give it a whirl! Jake --- Jake McKee LEGO Enthusiast Webmaster - BI Portal (URL) (22 years ago, 14-Sep-02, to lugnet.cad, lugnet.cad.dev, lugnet.inst)
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| | Re: Preview of a new ldraw editor "sort of"
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Has anyone tryed this program? (...) (22 years ago, 14-Sep-02, to lugnet.cad.dev)
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| | Re: BrickDraw3D bleeda
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(...) I got ambitious and refactored the class which intermediates between DAT format and my geometry model. Now that that is done I can get on with extracting stuff from text dragged in from a text editor, and adding color and other data to dragged (...) (22 years ago, 14-Sep-02, to lugnet.cad.dev.mac)
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| | Re: Formalizing a method for handling synthesizable parts
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How about, instead of specifying an entire curve, to specify the stiffness of each joint and use iterative solving to arrange the elements between endpoints? Adding constraints with other pieces would follow after that. (22 years ago, 13-Sep-02, to lugnet.cad.dev)
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| | Re: Detemining Bad Vertex Sequence
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Hi, I've created a simple web page with some examples of the output of my program. There you will find the remaining primitives that hadn't been certified yet and all the technic bricks certified with my program. (URL) Steve, could you put them at (...) (22 years ago, 13-Sep-02, to lugnet.cad.dev)
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| | Re: Formalizing a method for handling synthesizable parts
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Looks great ! Springs should probably be included too as they have ends with something variable in between... Philo www.philohome.com (22 years ago, 13-Sep-02, to lugnet.cad.dev)
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| | Re: Formalizing a method for handling synthesizable parts
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Larry, Yes, I'm glad you mentioned string. It is similar to both bands and tubes. I'm not much of a mathematical theoretician, so I'll probably need some help designing the algorithms, but I can code like a madman. Kevin "Larry Pieniazek" (...) (22 years ago, 14-Sep-02, to lugnet.cad.dev)
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| | Re: Formalizing a method for handling synthesizable parts
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(...) I think this would be very nifty! (...) One other type of flexible part is string. Taut string should conform to the shape of whatever it is wound on, leave tangentially, and have a linear path to the other end. Slack string should conform to (...) (22 years ago, 13-Sep-02, to lugnet.cad.dev)
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| | Re: LDGLite and XFree86 4.2?
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(...) I'm not sure if MESA-demos (I just looked it up) is part of XFree86-devel. I suspect not. (...) I don't know about that. Perhaps MESA-lib is closely tied because of the intermingling of X and OpenGL protocols, but the higher level windowing (...) (22 years ago, 13-Sep-02, to lugnet.cad.dev)
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| | Re: LDGLite and XFree86 4.2?
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(...) XFree86-devel is already installed. (...) I will see if I can get that to work, but I would expect it to be rather closely tied to the rest of the XFree86-package. Play well, Jacob -- Bregnerod (a LEGO town): (URL) (22 years ago, 13-Sep-02, to lugnet.cad.dev)
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| | Formalizing a method for handling synthesizable parts
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I'm relatively new to the LDRAW CAD world, but am very impressed with all the work that has been done. It is amazing that we have such a huge parts database to work with. I've been working on a tool for publishing LDRAW based designs. It has been in (...) (22 years ago, 14-Sep-02, to lugnet.cad.dev) !
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| | Re: LDGLite and XFree86 4.2?
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(...) That's not going to do it. You seem to be missing the glut library which is not a core OpenGL library, but a widely distributed toolkit that's used for most of the example programs. Ldglite uses this extensively to open the window, get the (...) (22 years ago, 13-Sep-02, to lugnet.cad.dev)
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| | LDGLite and XFree86 4.2?
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I use a Linux system where I do not have system administrator rights, but I would still like to compile and use LDGLite on it. My problem is that the system has XFree86 version 4.2 installed, and the names of some of the OpenGL/Mesa files seem to (...) (22 years ago, 13-Sep-02, to lugnet.cad.dev)
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| | Re: Detemining Bad Vertex Sequence
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(...) Yes - "Poll, silent update" - that's the option - it refreshes for me (400Mhz Celeron) every one to two seconds. Not sure if you can control the poll frequency, though. Lars, can you answer this? Chris (22 years ago, 13-Sep-02, to lugnet.cad.dev)
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| | Re: Detemining Bad Vertex Sequence
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(...) Thanks... I am having trouble with these instructions, maybe I'm not running the right versions of things? I have LDAO 2.1.8 and L3Lab 1.2. I'm not sure what the autofresh option is... when I launch LDAO editor on my part, I set the viewer to (...) (22 years ago, 13-Sep-02, to lugnet.cad.dev)
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| | Re: BrickDraw3D bleeda
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(...) I bit the bullet and created a 'string' object for every line recently. (...) yeah, just to parse a line of DAT takes multiple inheritance now. AND there is a weird "result" class you must supply with methods MakeComment, MakeLine, (...) (22 years ago, 12-Sep-02, to lugnet.cad.dev.mac)
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| | Re: BrickDraw3D bleeda
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(...) Hopefully this is a more sensible challange than some of the causes I've adopted. DOS versions? What was I thinking? Every now and then I still have to fight the urge to waste more time on that one. (...) Gotta love those trusty old C string (...) (22 years ago, 12-Sep-02, to lugnet.cad.dev.mac)
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| | Re: Preview of a new ldraw editor "sort of"
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(...) (22 years ago, 12-Sep-02, to lugnet.cad.dev)
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| | Preview of a new ldraw editor "sort of"
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I decided to release a preview on what I'm making so far is called edraw is a new editor for making LDR files with a new system powered by ldglite it uses ldglite's off-screen system so is not real time but I belive it will allow PC's with litle (...) (22 years ago, 12-Sep-02, to lugnet.cad.dev)
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| | Re: Ldglite sourcing STDIN not working under Windows 2000?
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(...) I suppose that's as good a reason as any. Actually It's kinda neat to finally find a compelling reason for the single pass, render as you go, ldlite parser. Pipes are just too cool! On the other hand, the user won't be able to spin the model (...) (22 years ago, 12-Sep-02, to lugnet.cad.dev)
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| | Re: Ldglite sourcing STDIN not working under Windows 2000?
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(...) Hmm. Supplying '--' does make a difference, but only in the error messages I get. :) (...) I was going to poke around with making a utility that would give the user a file polygon-by-polygon, and have them respond with whether the winding was (...) (22 years ago, 12-Sep-02, to lugnet.cad.dev)
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| | Re: BrickDraw3D bleeda
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(...) I take that as a challenge! actually dragging a group is frightening but I think I can just do it (graphically) right now I've got no color support whatsoever - everything is blue. (...) I see strlen() and strtok() are still with us. I must (...) (22 years ago, 12-Sep-02, to lugnet.cad.dev.mac)
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| | Re: Ldglite sourcing STDIN not working under Windows 2000?
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(...) Well I suppose I could say the problem is on the side of the keyboard where your chair is, but that wouldn't be completely true. According to the readme.txt file you need to give ldglite the -- command line option to use stdin. However I'm (...) (22 years ago, 12-Sep-02, to lugnet.cad.dev)
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| | Re: BrickDraw3D bleeda
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(...) What's a "bleeda"? Bleeding edge? If you really want to keep up with the bleeding edge, you're gonna have ta support dragging in a nicely colored set of parts from a peeron inventory page. Heh, heh! Take a peek at the latest main.c and (...) (22 years ago, 12-Sep-02, to lugnet.cad.dev.mac)
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| | Ldglite sourcing STDIN not working under Windows 2000?
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Has anyone gotten the Windows version of ldglite to read from standard input? When I do something like: type \ldraw\parts\3001.dat | ldglite I expect ldglite to render a 2x4 brick. Instead, ldglite reports that it can't find file " ". Anyone have (...) (22 years ago, 12-Sep-02, to lugnet.cad.dev)
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| | Re: Detemining Bad Vertex Sequence
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(...) Right. There are definitely situations in ldraw parts that won't fit the nice all-polygons-in-a-mesh model. That's why I said that auto-rewind should be an 'option'. Meaning, the user can turn it off. Although for a part to be BFC compliant, (...) (22 years ago, 12-Sep-02, to lugnet.cad.dev)
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| | Re: Detemining Bad Vertex Sequence
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(...) Well, my program does exactly this when it finds the correct winding of one polygon. (...) Well, I remember this thread, where Leonardo said that it created such a program: (URL) It's a long and old thread, so, search for the word "green" two (...) (22 years ago, 12-Sep-02, to lugnet.cad.dev)
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| | Re: Detemining Bad Vertex Sequence
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(...) I'm not so sure this is completely true because we allow overlapping and intersecting polygons. In fact, there is nothing which prevents a single polygon face from being partly on the outside and partly on the inside. You can't automagically (...) (22 years ago, 12-Sep-02, to lugnet.cad.dev)
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| | Re: Detemining Bad Vertex Sequence
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(...) What would be especially good is if there was an option to test and flip adjacent polygons. Once the winding of one polygon is known, adjacent polygons can be automatically wound correctly. So you click one red polygon, and all the polygons (...) (22 years ago, 12-Sep-02, to lugnet.cad.dev)
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| | BrickDraw3D bleeda
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Now parts dragging is implemented for the model! It is at last possible to build. And to save files. I have solved several nasty bugs too. So expect a release in a day. Not so much a "beta" as a "bleeda". -Erik (22 years ago, 12-Sep-02, to lugnet.cad.dev.mac)
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| | Re: Detemining Bad Vertex Sequence
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(...) I use LDAO in combination with L3Lab. - Ensure your dat file has a "0 BFC CERTIFY CW" - Set the "stop at cursor" option in the LDAO editor. - Set the mytest6 and autofresh options L3Lab (and leave the BFC option on) - Step through the file in (...) (22 years ago, 12-Sep-02, to lugnet.cad.dev)
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| | Re: Detemining Bad Vertex Sequence
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(...) I would like to identify if a much simpler program exists... given a red/green render like L3Lab mytest6 can produce and a way to tell which quad/tri goes with which render, let me point at a quad/tri and just reverse the order of the vertices (...) (22 years ago, 12-Sep-02, to lugnet.cad.dev)
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| | Re: Detemining Bad Vertex Sequence
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(...) Are you talking about the algorithm or the program? If you are talking about the algorithm, you are right! Determining the bad vertex sequence isn't the problem of my program because I have only to run it in the beginning, and only for each (...) (22 years ago, 11-Sep-02, to lugnet.cad.dev)
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| | Re: Detemining Bad Vertex Sequence
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(...) Does it need to be any faster? (22 years ago, 11-Sep-02, to lugnet.cad.dev)
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| | Detemining Bad Vertex Sequence
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Hi, I've created a program to automaticaly BFC certify ldraw parts. Before release this program, I need to make more tests and improve its performace. Two things that I must fix before trying to certify any part, is correct the bad vertex sequence (...) (22 years ago, 11-Sep-02, to lugnet.cad.dev)
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| | Re: Autoroute!=Towing, right?
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(...) In Denmark it would be "Motorvej" meaning limited to vehichels driving at a higher speed than 60 km/hour (no tractors, no mopeds, no bicycles), and where there are no crossing roads (thus the bridge, indicating crossing roads are at another (...) (22 years ago, 11-Sep-02, to lugnet.db.brictionary, lugnet.cad.dev)
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| | Re: Autoroute!=Towing, right?
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(...) In australia, we would probobly call this thing a highway (22 years ago, 10-Sep-02, to lugnet.db.brictionary, lugnet.cad.dev)
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| | Re: Autoroute!=Towing, right?
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(...) Sorry, I misinterpretted the pattern - I thought it was a variation of the general icon, not the actual icon itself. (...) Good point. (...) But this 4215a hasn't been modeled in LDraw, right? (...) Good question. Steve (22 years ago, 10-Sep-02, to lugnet.db.brictionary, lugnet.cad.dev)
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