Hi They never look great - colour wise, (content wise can be fantastic). In the past I've found its the conversion from their mov(?) file - (nothing to do with quicktime movs) that can go screwy. Usually you can get better results going back to that and reconvert.
H ________________________________ From: Ned Wilson <ned.wil...@scanlinevfx.com> To: Nuke user discussion <nuke-users@support.thefoundry.co.uk> Sent: Thu, 23 June, 2011 22:16:53 Subject: Re: [Nuke-users] linear to AlexaV3LogC math While we're on the subject of digital motion picture cameras and colorspaces that they store data in, do any of you have any experience working with the Phantom camera? I'm getting frames from the Phantom that look desaturated and cyan, but I'm not sure exactly how to go about putting them in the proper colorspace. On 6/23/2011 1:48 PM, Torax Unga wrote: and Deke... thank you > > > ________________________________ From: Torax Unga <tungau...@yahoo.com> >To: Ivan Busquets <ivanbusqu...@gmail.com>; Nuke user > >discussion <nuke-users@support.thefoundry.co.uk> >Sent: Thursday, June 23, 2011 1:43 PM >Subject: Re: [Nuke-users] linear to AlexaV3LogC math > > >Thanks Ivan and Donat... this is great help. > > > ________________________________ From: Ivan Busquets <ivanbusqu...@gmail.com> >To: Torax Unga <tungau...@yahoo.com>; Nuke user >discussion ><nuke-users@support.thefoundry.co.uk> >Sent: Thursday, June 23, 2011 1:37 PM >Subject: Re: [Nuke-users] linear to AlexaV3LogC math > > >Based on that formula, the reverse should be: > >x>0.0106232?(log10((x + 0.00937677) / 0.18)*0.2471896) + >0.385537:(((x+ 0.00937677) / 0.18) + 0.04378604) * >0.9661776 > >Where 0.0106232 comes from solving the second part of >the >equation using the threshold value (0.1496582) > >(0.149658 / 0.9661776 - 0.04378604) * 0.18 - 0.00937677 >= >0.0106232 > > > > > > >On Wed, Jun 22, 2011 at 11:28 AM, Torax Unga ><tungau...@yahoo.com> wrote: > >Keeping it going with the math questions. >> >>If this is the math for going from AlexaV3LogC >>to >>Linear: >> >>(x > 0.1496582 ? pow(10.0, (x - 0.385537) / >>0.2471896) : x / 0.9661776 - 0.04378604) * 0.18 >>- >>0.00937677 >> >>What's the math to revers it? linear to >>AlexaV3LogC. >> >>Gracias! >> >> >> >> >>_______________________________________________ >>Nuke-users mailing list >>Nuke-users@support.thefoundry.co.uk, http://forums.thefoundry.co.uk/ >>http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users >> > > > > > > _______________________________________________ Nuke-users mailing list >Nuke-users@support.thefoundry.co.uk, http://forums.thefoundry.co.uk/ >http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users
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