On 11-03-10 06:19 AM, Bart van Andel wrote:
You're not insane, but this really isn't a bug. There's no photometric optimization going on here, Hugin is just handling exposure like it should. When it reads EV 12 in a source image, but the output image is set to 15 EV, it correctly applies a curve to the brightness value of the input image to get it to match with the selected output EV. What you want is to bypass this correct behavior, which can indeed be accomplished by setting every EV to the same value. Any value will do, 0 is just as right as 12, or PI, or whatever you like.

I agree that the current behavior is correct, with one caveat: When images are identified as belonging to stacks on the Images tab, hugin should apply the same curve to all members of a stack, instead of treating them individually. As things currently stand, hugin's default behavior is to coerce the over- and under-exposed layers in a project with exposure bracketing to the same exposure as the middle layer, so dumping the EXIF values by resetting the input and output exposures to 0 (or 12 or PI ...) is mandatory.

Cheers,
BBB

--
Bob Bright
Vancouver Island Digital Imaging
(250) 857-9887
bbbri...@victoriavr.ca
http://VictoriaVR.ca


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