Erik's post came in after Mehlika's because he got caught in the moderator trap -- his e-mail was not "on the list."
My apologies for not answering the original post, but I was on a plane or two.... Cheers, -Greg > From: Erik Reinhard <[email protected]> > Date: May 13, 2013 2:24:48 PM PDT > > Hi All, > > I am not entirely sure that I remember this correctly, but I once looked at > these > camera curves in photosphere for the purpose of plotting them. I seem to > recall > that the coefficients are reversed relative to how you might expect them. > > It may be worth trying to reverse the order of the coefficients, so for the > first of > the three lines this would be: > > 4 4.462320e+00 -5.786777e+00 2.441168e+00 -3.556814e-02 7.135383e-03 > > Hope this helps. > > Cheers, > Erik > > > > On May 13, 2013, at 10:31 PM, Axel Jacobs <[email protected]> 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
