On Tue, Dec 21, 2010 at 4:34 PM, Jason Belec <jasonbe...@rogers.com> wrote:
> You can also work the default QC output to match (closely) and apply that > to everything coming in. Ran into this in the past myself. > > > What would be imminently useful is solid, factual, info from Apple about how to work around the color issue correctly (if this is *even possible*), instead of "fudge it til it looks right", or "buy product X". Colorspace issues, Quicktime, CI problems, etc., in OS X is totally nuts, and it needs to be resolved. -GT > > On 2010-12-21, at 4:52 PM, vade <dokt...@mac.com> wrote: > > FCP does not use ColorSync to display video, it has its own color > correction and gamma correction routines depending if you are running 601 or > 709 formatted video. Quartz Composer, Quicktime and most other apps use > ColorSync. > > If you have QT 7 installed on your system FCP installs a separate > preference called Final Cut Studio Color Compatibility in to the QT prefs. > Enable it, and Quicktime now uses the same color lookup as Final Cut Pro > does. Open your comp, it should, hopefully, look the same. > > But this is almost certainly a color conversion routine. > > > On Dec 21, 2010, at 1:32 PM, Patrick Sheffield wrote: > > The original image came from a BetaSP tape, but it doesn't matter - I see > the same difference in all material. > > I didn't include a composition as all I'm doing is taking an input image > and the Screen blend node and running it into both inputs, then the result > to a billboard. If I do the same thing in FCP/Motion (place an image on > V1/V2 with V2 set to Screen composite mode), the result is considerably > different. I don't think Quartz is doing it wrong, I just need to figure out > what FCP/Motion are actually doing... > > regards, > > Patrick > > On Dec 21, 2010, at 10:16 AM, George Toledo wrote: > > No composition? > > This makes it hard to discern. > > Try using Billboard, and adjusting native core image in settings, to see if > that makes a difference. > > Where are these images coming from? They both have edge crud... is this > from the screengrab? It looks like a gamma difference (but maybe not). Is > that happening because the FCP image is coming from something that is > already run through a codec? > > -GT > > On Tue, Dec 21, 2010 at 1:08 PM, Patrick Sheffield <<psheffi...@earthlink.net> > psheffi...@earthlink.net> wrote: > >> >> ...between how Quartz Composer processes the Screen blend mode and how >> Final Cut Pro and Motion do it? >> >> This is an image screened over itself in Final Cut Pro/Motion: >> >> >> >> >> And in Quartz Composer: >> >> >> >> >> In Quartz Composer it's flatter and considerably more red than FCP. >> >> If I perform a Screen Blend (the inverse of the multiplication of the >> inverse), I get the same result as Quartz, but I need to figure out what >> FCP/Motion are doing differently. >> >> Does anyone have any insight? >> >> Thanks, >> >> Patrick Sheffield >> Sheffield Softworks >> >> >> _______________________________________________ >> Do not post admin requests to the list. They will be ignored. >> Quartzcomposer-dev mailing list (<Quartzcomposer-dev@lists.apple.com> >> Quartzcomposer-dev@lists.apple.com) >> Help/Unsubscribe/Update your Subscription: >> <http://lists.apple.com/mailman/options/quartzcomposer-dev/gtoledo3%40gmail.com> >> http://lists.apple.com/mailman/options/quartzcomposer-dev/gtoledo3%40gmail.com >> >> This email sent to <gtole...@gmail.com>gtole...@gmail.com >> > > > > -- > George Toledo > <gtole...@gmail.com>gtole...@gmail.com > <http://www.georgetoledo.com/>www.georgetoledo.com > > The information contained in this E-mail and any attachments may be > confidential. > If you have received this E-mail in error, please notify us immediately by > telephone or return E-mail. > You should not use or disclose the contents of this E-mail or any of the > attachments for any purpose or to any persons. > > > _______________________________________________ > Do not post admin requests to the list. They will be ignored. > Quartzcomposer-dev mailing list (<Quartzcomposer-dev@lists.apple.com> > Quartzcomposer-dev@lists.apple.com) > Help/Unsubscribe/Update your Subscription: > > <http://lists.apple.com/mailman/options/quartzcomposer-dev/doktorp%40mac.com> > http://lists.apple.com/mailman/options/quartzcomposer-dev/doktorp%40mac.com > > This email sent to <dokt...@mac.com>dokt...@mac.com > > > _______________________________________________ > Do not post admin requests to the list. They will be ignored. > Quartzcomposer-dev mailing list (Quartzcomposer-dev@lists.apple.com) > Help/Unsubscribe/Update your Subscription: > > http://lists.apple.com/mailman/options/quartzcomposer-dev/jasonbelec%40rogers.com > > This email sent to <jasonbe...@rogers.com>jasonbe...@rogers.com > > > _______________________________________________ > Do not post admin requests to the list. They will be ignored. > Quartzcomposer-dev mailing list (Quartzcomposer-dev@lists.apple.com) > Help/Unsubscribe/Update your Subscription: > > http://lists.apple.com/mailman/options/quartzcomposer-dev/gtoledo3%40gmail.com > > This email sent to gtole...@gmail.com > -- George Toledo gtole...@gmail.com www.georgetoledo.com The information contained in this E-mail and any attachments may be confidential. If you have received this E-mail in error, please notify us immediately by telephone or return E-mail. You should not use or disclose the contents of this E-mail or any of the attachments for any purpose or to any persons.
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