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[Bug 678963] Re: EV value 8 steps off with a "linear" camera

To: hugin-devs@xxxxxxxxxxxxxxxxxxx
From: rew <678963@xxxxxxxxxxxxxxxxxx>
Date: Tue, 30 Nov 2010 08:52:49 -0000
Reply-to: Bug 678963 <678963@xxxxxxxxxxxxxxxxxx>
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Yuv's question stands.

** Changed in: hugin
       Status: New => Incomplete

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EV value 8 steps off with a "linear" camera
https://bugs.launchpad.net/bugs/678963
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Status in Hugin - Panorama Tools GUI: Incomplete

Bug description:
(This was with May 2008 "CVS-like" version.)

When I switch the "camera sensor model" (or whatever it is called) to "linear" in the exposure-related tab, then optimize the exposure, and go to the preview window, I can (as usual) tune the EV compensation value.  However, the value which makes the preview window "good" is about 8-9 steps off the value which is "good" for the finally created image (e.g., one requires EV9.67, and another EV1).

Observed on Windows; maybe it is related to a "wrong byteorder" somewhere in the pipeline?

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