As I recall, the order is reverse between Photosphere and hdrgen. If the R 
response is from your Photosphere file is
7.135383e-03,-3.556814e-02,2.441168e+00,-5.786777e+00,4.462320e+00

it should be a "mirror image" in hdrgen:
4.462320e+00, -5.786777e+00, 2.441168e+00, -3.556814e-02, 7.135383e-03

Mehlika


On Mon, 13 May 2013, Michael Martinez wrote:

> The rsp looks good - nice and smooth, which makes sense as Photosphere seems 
> to have no trouble with these values. I also tried straight decimal format, 
> and still no luck...
>
> Very curious...
>
>
>
>
> On May 13, 2013, at 1:31 PM, Axel Jacobs wrote:
>
>> Right, so we are on the right track--hdrgen no longer rejects the RSP.
>>
>> Next question is: how good is the RSP? Try plotting it. If it is smooth and 
>> monotonic, without any kinks in it, it's a good one. Otherwise, try 
>> generating it from a different sequence. The 5D is used a lot on WebHDR:
>> http://www.jaloxa.eu/webhdr/cameras/Canon__Canon_EOS_5D.shtml
>> How does your RSP compare with the averaged one? Note that there is no 
>> quality control, and even 'wonky' ones make it into the average.
>>
>> Axel
>>
>>
>>
>> On 05/13/2013 09:21 PM, Michael Martinez wrote:
>>> Using a 4 in front of the Photosphere numbers like this:
>>>
>>> 4 7.135383e-03 -3.556814e-02 2.441168e+00 -5.786777e+00 4.462320e+00
>>> 4 4.543790e-03  3.363440e-02 1.917460e+00 -4.660105e+00 3.792747e+00
>>> 4 3.956902e-03  3.244581e-02 1.827308e+00 -4.505138e+00 3.729707e+00
>>>
>>> unfortunately results in a wonky HDR with garbage luminance values and
>>> strage visual artifacts - see screen shot here
>>> <https://dl.dropboxusercontent.com/u/28677369/Screen%20shot%202013-05-13%20at%201.17.33%20PM.png>.
>>>
>>>
>>> compared to a screenshot of the photosphere created HDR
>>> <https://dl.dropboxusercontent.com/u/28677369/Screen%20shot%202013-05-13%20at%201.17.55%20PM.png>
>>>
>>>
>>>
>>>
>>>
>>> On May 13, 2013, at 1:05 PM, Axel Jacobs wrote:
>>>
>>>> Oops,
>>>>
>>>> try '4 ', not '6 ' as per my last post.
>>>>
>>>> Embarrassingly yours
>>
>>
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