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Update coordinate system and units section with forward convention. #1147

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merged 3 commits into from Nov 28, 2017
Merged

Update coordinate system and units section with forward convention. #1147

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23ff5b4
Update coordinate system and units section with forward convention.
bghgary Nov 7, 2017
81fbd9b
Add coordinate system figure
bghgary Nov 15, 2017
d9122b7
Add axis labels to coordinates figure
bghgary Nov 27, 2017
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4 changes: 3 additions & 1 deletion specification/2.0/README.md
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Expand Up @@ -241,7 +241,9 @@ For property names, glTF uses [camel case](http://en.wikipedia.org/wiki/CamelCas

## Coordinate System and Units

glTF uses a right-handed coordinate system, that is, the cross product of X and Y yields Z. glTF defines the y axis as up.
glTF uses a right-handed coordinate system, that is, the cross product of +X and +Y yields +Z. glTF defines +Y as up. The front of a glTF asset faces +Z.

![](figures/coordinate-system.png)

The units for all linear distances are meters.

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