[SOLVED!] coordinate-handedness confusion

[SOLVED!] coordinate-handedness confusion
What coordinate system do lDraw parts ACTUALLY use? The documentation *says* "Right handed with -y up", but shows a picture of a left-handed -y up coordinate axis.

Further - how would I go about translating the matrix to a left-handed +y-up format? I am trying to read ldr files inside of UE4, and the typical method of flopping the y/z coords and negating x/y/z is not working.
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[SOLVED!] coordinate-handedness confusion - by KristyB - 2021-08-28, 12:31

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