Hi David - I agree, however the Image node used for the IBL is a standard Octane Image node, that would usually be UV mapped onto geometry. Perhaps a better option would be to have an Image node which was just for IBL Images used for the Texture of a Texture Environment, which would not have the UV Transform pin. You could submit this to Otoy as a Feature Request if you feel strongly enough about it.I and my colleges find the separation of UV and projection transform not so reasoned.
UV-Transform is always available even if you have another projection. UV-Transform should be under the Projection node.
It would be even better, if UV-Transform was grey, when the projection is not UV.
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