Vray and odd HDR files
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Recently a coworker was going to a site to photograph it, and asked me about shooting HDR environment maps. I'm not especially skilled at this, mostly I've applied maps I found on the net and shot a mirror ball once or twice.
He was going with an 8mm circular fisheye. So I ran through a quick explanation of taking multiple exposures at each panorama stop and sent him on his way.
Either I messed up the explanation or he misunderstood me, but what he came back with was multiple exposures taken with camera pointed straight up. So I have an HDR file of a circular image - you can see 360 deg around the camera at the perimeter of the circle, and the center is blue sky.
Is there any way I can convert this to a format vray will accept for backgrounds and IBL?
Thanks in advance.
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