 | | 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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