Ah ha!! That's the trick... Things look great now. Many thanks, both to Axel and Mehlika.
MM On May 13, 2013, at 3:36 PM, Mehlika Inanici wrote: > > > 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 >>> >>> >>> _______________________________________________ >>> HDRI mailing list >>> [email protected] >>> http://www.radiance-online.org/mailman/listinfo/hdri >> >> >> _______________________________________________ >> HDRI mailing list >> [email protected] >> http://www.radiance-online.org/mailman/listinfo/hdri >> > > > > _______________________________________________ > HDRI mailing list > [email protected] > http://www.radiance-online.org/mailman/listinfo/hdri _______________________________________________ HDRI mailing list [email protected] http://www.radiance-online.org/mailman/listinfo/hdri
