Point Light

 

The lights page has more detail about the controls. The additional attributes are shown below.

As well as honoring the standard Maya point light attributes, the Attribute Editor will also show the following attributes under the Arnold group:

 

Radius

The radius of the light's spherical surface. Although the name of this light is 'point' for historical reasons, it really is an emissive sphere, unless radius is set to zero, in which case it becomes a true point light of no physical size.

 

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