 | | 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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