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 CAD / Development / *14571 (-20)
  Re: LDraw coordinate system driving me crazy
 
(...) 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)
 
  Re: LDraw coordinate system driving me crazy
 
(...) 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)
 
  Re: LDraw coordinate system driving me crazy
 
(...) 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)
 
  Re: LDraw coordinate system driving me crazy
 
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)
 
  Re: LDraw coordinate system driving me crazy
 
(...) 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)
 
  LDraw coordinate system driving me crazy
 
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)
 
  BFC extension ratified by the LSC
 
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)
 
  Contributor Agreement License details
 
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) !! 
 
  MOTM / SOTM Voting For November Is Now Open
 
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)  
 
  Re: Non-CA parts rewrite
 
(...) 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)
 
  Motion to move the LSC elections passes
 
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)  
 
  Re: Non-CA parts rewrite
 
(...) 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)
 
  RE: Non-CA parts rewrite
 
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)
 
  Re: Non-CA parts rewrite
 
(...) 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)
 
  Re: Non-CA parts rewrite
 
(...) 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)
 
  Re: L3P Launcher version .8
 
(...) Thanks. I have uploaded a Universal Binary too. (URL) (18 years ago, 24-Oct-06, to lugnet.cad.dev.mac)
 
  Re: Non-CA parts rewrite
 
(...) Submitted to PT admin (18 years ago, 22-Oct-06, to lugnet.cad.dev.org.ldraw)
 
  LDraw.org is temporarely LDraw.org is temporarily not available
 
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)
 
  LSC adopts "de-facto" BFC standard as the draft standard
 
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)
 
  LDraw.org MOTM/SOTM Relaunch
 
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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