 | | Re: LDraw coordinate system driving me crazy
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(...) Google uses the right handed system but indeed rotated by 90 degrees, LDraw also uses the right handed system but 180 degrees rotated. It should not matter how you show the model, the coordinates are interchangeable, but if you want to use (...) (18 years ago, 19-Nov-06, to lugnet.cad.dev)
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| | Re: LDraw coordinate system driving me crazy
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Tim Gould wrote: > It is still a right-handed system. The handedness is unchanged by rotation (in (...) So the original designer of the LDraw program just decided to use this orientation of the right handed system. if so then it starts making more (...) (18 years ago, 19-Nov-06, to lugnet.cad.dev)
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| | Re: LDraw coordinate system driving me crazy
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(...) That looks like a correct mapping to me. Unless I'm mistaken the red and orange are on the same sides in both pictures. The unwrapped boxes are definitely identical and unless you've moved them in one or the other the whole thing is right. Tim (18 years ago, 19-Nov-06, to lugnet.cad.dev, FTX)
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| | Re: LDraw coordinate system driving me crazy
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Hi, Here's my box test model in SketchUp. (The above model is the same model unfolded.) (URL) When I export this model to a .dat and open it in LDView, the green side is the top-view, blue is the front view (as expected), and I would expect the (...) (18 years ago, 19-Nov-06, to lugnet.cad.dev, FTX)
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| | Re: LDraw coordinate system driving me crazy
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(...) In LDraw +z is backwards, not forwards or more strictly +Z points away from the camera when X is right and -Y is up. Tim (18 years ago, 19-Nov-06, to lugnet.cad.dev, FTX)
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| | Re: LDraw coordinate system driving me crazy
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(...) I've been having difficulty with importing/exporting .dat files from SketchUp. In SketchUp, if you stand at the Origin; X is right, Y is forward, and Z is up. The LDraw Primitives Reference ((URL)) says the LDraw axes are: X is right, Y is (...) (18 years ago, 19-Nov-06, to lugnet.cad.dev, FTX)
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| | Re: LDraw coordinate system driving me crazy
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(...) It is still a right-handed system. The handedness is unchanged by rotation (in ldraws case 180*x from standard). Tim (18 years ago, 19-Nov-06, to lugnet.cad.dev)
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| | Re: LDraw coordinate system driving me crazy
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As I understand it, LDraw has negative y in the up direction, which is neither right nor left handed, but something else entirely. I don't know that it has a name. James (18 years ago, 19-Nov-06, to lugnet.cad.dev)
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| | Re: LDraw coordinate system driving me crazy
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(...) I've always understood it is: X positive is right X negative is left Y Positive is bottom Y Negative is top z Positive is back z negative is front In fact you can show this by adding a brick in MLCad and moving it around, watching how the X, Y (...) (18 years ago, 19-Nov-06, to lugnet.cad.dev)
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| | LDraw coordinate system driving me crazy
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Hello all, I'm having difficulties with the ldraw coordinate system. As fas I understood it it's Right handed, just like OpenGL. So X positive is right X negative is left Y Positive is top Y Negative is bottom z Positive is front z negative is back (...) (18 years ago, 19-Nov-06, to lugnet.cad.dev)
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| | BFC extension ratified by the LSC
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The LDraw Standards Committee (LSC) has ratified the Back Face Culling (BFC) language extension. The de-facto BFC standard was adopted by the LSC as their working draft (see (URL) and we have since been working to clarify and/or remove any (...) (18 years ago, 9-Nov-06, to lugnet.announce, lugnet.cad.dat.parts, lugnet.cad.dev.org.ldraw)
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| | Contributor Agreement License details
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Hi all, Well it's been a long time coming but we now have a version of the Contributor Agreement (CA) license and readme to be distributed alongside new versions of the parts library. I'd like to take this opportunity to thank all those who have (...) (18 years ago, 4-Nov-06, to lugnet.cad.dev.org.ldraw, lugnet.announce) !!
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| | MOTM / SOTM Voting For November Is Now Open
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We're pleased to announce that voting for the November 2006 Model of the Month and Scene of the Month Contests is now open. Visit the voting page to cast your vote: (URL) inform me of any errors you may encounter. Note: If you get a error page, try (...) (18 years ago, 4-Nov-06, to lugnet.cad, lugnet.cad.dev.org.ldraw, lugnet.announce)
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| | Re: Non-CA parts rewrite
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(...) We just got an affirmation from Bernd Munding, author of 3839a.dat - Plate 1 x 2 with Handles Type 1. Like John Jensen's Technic Bucket 10 x 8 also this part has been rewritten (URL) for the record: if you wanna contact Bernd please use his (...) (18 years ago, 1-Nov-06, to lugnet.cad.dev.org.ldraw)
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| | Motion to move the LSC elections passes
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With a total of 12 voters who "agreed" and none who "disagreed", the Motion to move the LSC elections from July to October: Begin of motion ---...--- Recurring Dates * October 1 - Annual summary published. Call for nominations. * October 14 - All (...) (18 years ago, 1-Nov-06, to lugnet.announce, lugnet.cad, lugnet.cad.dev.org.ldraw, FTX)
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| | Re: Non-CA parts rewrite
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(...) I agree. Posted in Mar 2006 this was not a re-write for CA-purposes, but an improvement and BFC addition. The original author still deserves credit. Header edited . Chris (18 years ago, 31-Oct-06, to lugnet.cad.dev.org.ldraw)
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| | RE: Non-CA parts rewrite
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If I remember correctly, Guy's file uses a lot more primitives, etc, etc, etc than the original, so I would say add the credit to the file on the Tracker. Can the admins do this with a header edit? (18 years ago, 30-Oct-06, to lugnet.cad.dev.org.ldraw)
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| | Re: Non-CA parts rewrite
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(...) Use John's original work. Or add a credit for John to the new file. Steve (18 years ago, 30-Oct-06, to lugnet.cad.dev.org.ldraw)
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| | Re: Non-CA parts rewrite
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(...) We've got an affirmation from John Jensen for 2951.dat - Technic Bucket 10 x 8 but it looks like Guy Vivan was faster! The rewrite is already on the PT: (URL) and just needs to certified by the admins. Which action should be taken?? w. (18 years ago, 30-Oct-06, to lugnet.cad.dev.org.ldraw)
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| | Re: L3P Launcher version .8
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(...) Thanks. I have uploaded a Universal Binary too. (URL) (18 years ago, 24-Oct-06, to lugnet.cad.dev.mac)
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| | Re: Non-CA parts rewrite
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(...) Submitted to PT admin (18 years ago, 22-Oct-06, to lugnet.cad.dev.org.ldraw)
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| | LDraw.org is temporarely LDraw.org is temporarily not available
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Hi, you might wonder why LDraw.org is currently showing just a blank page. We were upgrading to Postnuke .763 to support the new Postnuke theme templating engine when something went the wrong way. We are currently working to fix the problem and (...) (18 years ago, 19-Oct-06, to lugnet.cad, lugnet.cad.dev.org.ldraw, lugnet.announce)
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| | LSC adopts "de-facto" BFC standard as the draft standard
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The LDraw Standards Committee (LSC) has adopted the "de-facto" Back Face Culling (BFC) standard ((URL) as their draft standard. We are now working on clarifying a few minor ambiguities in the draft standard so that it can be ratified as the official (...) (18 years ago, 15-Oct-06, to lugnet.announce, lugnet.cad.dat.parts, lugnet.cad.dev.org.ldraw)
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| | LDraw.org MOTM/SOTM Relaunch
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I'm pleased to announce the relaunch of LDraw.org's MOTM/SOTM contest. Moving the curatorship has caused some trouble, but now we are back on track and open submissions to MOTM/SOTM once again. Have a look at: (URL) the rules and submit you model or (...) (18 years ago, 14-Oct-06, to lugnet.cad, lugnet.announce, lugnet.cad.dev.org.ldraw)
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| | Motion to move the LSC elections: Call for Ratification
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Since the motion to move the LSC elections has been posted (URL) and publicly discussed, and since by peoples' silence, there appear to be no more lingering objections, the Steering Committee hereby calls for a community vote to ratify the motion (...) (18 years ago, 14-Oct-06, to lugnet.cad, lugnet.cad.dev.org.ldraw, lugnet.announce)
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| | Re: Question to parts authors about BFC CERTIFY
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In lugnet.cad.dev, Travis Cobbs wrote: > So, my question is this: should I remove this warning from LDView for commands > that contain options in addition to CERTIFY and CW/CCW? I definitely think that > it's appropriate to warn when multiple (...) (18 years ago, 12-Oct-06, to lugnet.cad.dat.parts, lugnet.cad.dev)
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| | Question to parts authors about BFC CERTIFY [DAT]
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As many parts authors are aware, LDView produces a warning if it finds more than one instance of the CERTIFY option among the BFC commands in one file. For example, the following will produce a warning on the second BFC command: 0 BFC CERTIFY CCW 1 (...) (18 years ago, 12-Oct-06, to lugnet.cad.dat.parts, lugnet.cad.dev)
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| | Re: New parts header format validated by the LSC
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LOL, I think it'll be totally free from bugs before I have even time to THINK about making new parts ;) Anyways, it's a relief that I don't have to worry about this too at the moment... CYA sometime next summer Cheers NB (18 years ago, 9-Oct-06, to lugnet.cad.dat.parts, lugnet.cad.dev.org.ldraw)
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| | Re: Part 3650a
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Here's a resurrection of an OLD thread... :-) I've recently begun to store all my TECHNIC sets, which range from about 1988 to present, all have been stored MISB (well, OK, they've been stored in the original box after I opened, inventoried by bag, (...) (18 years ago, 8-Oct-06, to lugnet.cad.dev)
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| | Re: Non-CA parts rewrite
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(...) Submitted to admins (18 years ago, 8-Oct-06, to lugnet.cad.dev.org.ldraw)
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| | Re: New parts header format validated by the LSC
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Niels Bugge schrieb: (...) You can give my new program DATHeader (Windows) a try to maintain the correct header. First Bug fixes are made, so I think it could be useful for you. cu MikeHeide (18 years ago, 8-Oct-06, to lugnet.cad.dat.parts, lugnet.cad.dev.org.ldraw)
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| | Re: Motion to move the LSC elections: Call for Public Discussion and Consensus
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(...) I have no objections to this change. One thing I would add would be a statement about the fact that the dates may flex a few days in either direction due to the personal schedules (read: real life events) of the site admins. -Orion (18 years ago, 8-Oct-06, to lugnet.cad.dev.org.ldraw)
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| | Re: Motion to move the LSC elections: Call for Public Discussion and Consensus
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(...) Thank you Willy for extending the time frames. /Lars (18 years ago, 7-Oct-06, to lugnet.cad.dev.org.ldraw)
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| | Re: Motion to move the LSC elections: Call for Public Discussion and Consensus
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(...) Shifting the dates from July/August to October/November makes sense to me, as the election then doesn't clash with summer holidays. I also have no objection to serving the extra three months this time around. William (18 years ago, 7-Oct-06, to lugnet.cad.dev.org.ldraw)
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| | Re: New parts header format validated by the LSC
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(...) Yes, as an author you will need to worry about it for newly submitted parts, because the Parts Tracker submit process will start checking for adherence to this. We will take care of the existing officlal library and the files currently on the (...) (18 years ago, 7-Oct-06, to lugnet.cad.dat.parts, lugnet.cad.dev.org.ldraw, FTX)
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| | Re: New parts header format validated by the LSC
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I'm sorry if this question has ben brought up in other threads, but I'm really streached thin with real life business at the moment and can't really follow the pt or lugnet (at least for the next half year). ...I'd just like to know if this header (...) (18 years ago, 6-Oct-06, to lugnet.cad.dat.parts, lugnet.cad.dev.org.ldraw, FTX)
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| | Re: Parts Releases and the CA
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With 1/3 of the non-ca parts in the library/tracker left to be re-written, the list of non-ca authors is as follows Name (number of parts authored) Chris Alano (5) Eric D'Aragon (1) Howard Lande (1) Kevin Bane (8) Luis E. Fernandez (10) Tim Romine (...) (18 years ago, 6-Oct-06, to lugnet.cad.dev.org.ldraw)
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| | Re: Non-CA parts rewrite
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In need of re-writing (total 33) Type Number PT? Name parts 2464.dat N Brick 3 x 3 x 2 Facet Bottom parts 2494p01.dat N Glass for Window 1 x 4 x 5 with 5 Stripes parts 2500c01.dat N Electric Light & Sound Brick 1 x 8 Front Lights parts 2542.dat N (...) (18 years ago, 6-Oct-06, to lugnet.cad.dev.org.ldraw)
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| | Re: Non-CA parts rewrite
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(...) Resubmitted 2336p35 and 2336p36 and associated parts. Tim (18 years ago, 5-Oct-06, to lugnet.cad.dev.org.ldraw)
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| | Re: Bug in LDGlite?
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(...) My first guess would be the -z-6000 arg. I think this places the near clipping plane way back behind the camera. What you want to do is put it in front of the camera, as far out as you can without clipping the model, so you squeeze the space (...) (18 years ago, 5-Oct-06, to lugnet.cad.dev)
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