Problem solved....

> From: Chris Kallie <[email protected]>
> Date: March 7, 2012 8:55:44 PM PST
> 
> Hi Greg,
> 
> You are right about ISO 200 on the D90, and adding -ISO to the script worked! 
> Thanks a million!!!
> 
> -Chris
> 
> On 3/7/12 10:40 PM, Gregory J. Ward wrote:
>> 
>> Hi Chris,
>> 
>> Your image was shot with a Nikon D90 with an "extended ISO" setting of 100.  
>> This messes up dcraw a bit and it doesn't store the ISO value in the usual 
>> way.  You can avoid this problem by shooting with ISO 200, which is the 
>> lowest native sensor gain on the D90, or (I believe) by adding -ISO to the 
>> @exiftags setting near the top of the raw2hdr script.
>> 
>> Try it!
>> 
>> -Greg
>> 
>>> From: Chris Kallie <[email protected]>
>>> Date: March 7, 2012 8:15:34 PM PST
>>> 
>>> Hi Greg,
>>> 
>>> Attached is an image of a Bangerter filter with the camera pointed at a 
>>> makeshift delta function. We are essentially digitizing a physical filter 
>>> to convolve with regular camera and radiance hdr images. So far it has been 
>>> working well, but with the recent LED discussion, I thought I'd try to 
>>> improve the accuracy of the model...
>>> 
>>> Thanks for all your help! I am amazed at your dedication and responsiveness!
>>> -Chris
>>> 
>>> On 3/7/12 10:05 PM, Gregory J. Ward wrote:
>>>> 
>>>> Hi Chris,
>>>> 
>>>> Unfortunately, it seems that either the version of Exiftool you got isn't 
>>>> working right, or the input images are missing information.  You should 
>>>> send me a copy of one of your NEF input images in a private message and 
>>>> I'll have a look at it.
>>>> 
>>>> Using a different response function will not solve the problem.
>>>> 
>>>> I have not written any papers on Photosphere or hdrgen.  You'll just have 
>>>> to refer to the anyhere.com website, I'm afraid.
>>>> 
>>>> Best,
>>>> -Greg

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