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Geometry Light? (Which Transform)


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I have a headlight lens mesh I want to turn into a geometry light.

I create an area light and then change it's type to Geometry.

I pick the headlight mesh for the geometry slot of the light.

 

So which transform is now valid? The lamp object or the mesh object?

 

Can I just place my geometry lights at world origin and light will successfully emit from the faces of the reference geometry?

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There is parameter "Transform Into This Object" on the Geometry Light. If it's turned off transformation of the Light is used. If it's turned on transformation of the Geometry Object is used (transform of the Light is ignored).

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