[HDRI] calibrating HDR pictures with real world luminance

[Blochi]

Thank you for that explanation.
My Nikon does support Adobe RGB, and that sounds like a good  
compromise of speed and quality. I will do some testing with RAW, too.

Christian


Am 27.09.2006 um 02:15 schrieb Gregory J. Ward:

> No problem.  I also meant to respond to Christian's question about  
> color gamut.  While it's true that some colors may fall outside the  
> RGB gamut of sRGB and/or Radiance RGBE files, this is mostly  
> restricted to saturated purples and aquamarines.  Red, orange, and  
> fairly saturated green are well-covered in an HDR image.  If you  
> want to capture a larger color gamut, I recommend shooting in Adobe  
> RGB if your camera supports it or shooting RAW and converting to  
> Adobe RGB in Photoshod, then combining exposures with the latest  
> version of Photosphere (1.6.5), writing the file out either as  
> OpenEXR or TIFF to avoid gamut clamping.  (Versions before 1.6.3  
> dated 8/19/2006 didn't support Adobe RGB properly.)
>
> -Greg
>
>> From: "Bernhard Vogl" <bvogl at gmx.at>
>> Date: September 27, 2006 9:47:33 AM BDT
>>
>> GRegory,
>>
>> Thanks for your elucidation about WB! Now i'm able to understand  
>> my 'observations' :-)
>>
>> Regards
>> Bernhard
>
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