importing illuminance contour back to SketchUp?


I have this question for a long time and have asked it to a number of
people with a negative answer, and I can't remember if I have asked the
forum, but here it goes: is there a way that we can import the illuminance
contour back to SketchUp?

We use SketchUp as the interface to Radiance, but the missing piece that we
missed from Ecotect is the ability to import back the illuminance values on
the grid back into the 3D model, so that the contour can be put into the 3D