> Considering that map type 7 is stated as being specifically
> for Paul Debevec spherical light probes, I wonder what exactly
> is going on in the renderer....

I don't think it's a problem of this map type... I used Debevec's
HDR Shop program to convert the map to a spherical map, and mapped
it with map_type 1... same problem. I think the problem is that this
map has some very small, very bright spots. As far as I understand
the concept of radiosity, it's not very well suited to simulate point
light sources. After applying a gaussian blur to the map, the effect
disappeared almost completely.

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