Re: Re: [Nuke-users] Analyze Brightness in a Region of Pixels to drive Grade Node

2012-05-13 Thread Paul Schoen
Hey, thanks for the useful input using the curve tool as well as the blurring the rectangle-trick. I messed around with the curve tool with something like this CurveTool1.intensitydata.r/CurveTool1.intensitydata.r(start_frame)(in my case 1) and put in the gain of the grade node. But because the

Re: Re: [Nuke-users] Analyze Brightness in a Region of Pixels to drive Grade Node

2012-05-13 Thread Howard Jones
Similar topic... FWIW You can also use a similar technique to remove camera dirt etc, which is behind the sensorClean tool (after a similar discussion a few years ago) http://www.nukepedia.com/gizmos/gizmo-downloads/filter/sensorclean/ In this case you have a dirty held frame, a cleaned

Re: [Nuke-users] Analyze Brightness in a Region of Pixels to drive Grade Node

2012-05-12 Thread James Etherington
The curve tool does this, Cheers Sent from my iPhone On 12 May 2012, at 13:26, Paul Schoen dottore.pa...@gmail.com wrote: Hello, this is my first post to the mailing list, so I hopefully get everything right in explaining my particular problem: I have a composite of a Background in

Re: [Nuke-users] Analyze Brightness in a Region of Pixels to drive Grade Node

2012-05-12 Thread Randy Little
The curve tool does it sort of. pixel analyzer was live. Using average luma in curve tool but you have to pre analyze which is probably fine in your case. Randy S. Little http://www.rslittle.com On Sat, May 12, 2012 at 5:45 AM, James Etherington james.ethering...@gmail.com wrote: The curve

Re: [Nuke-users] Analyze Brightness in a Region of Pixels to drive Grade Node

2012-05-12 Thread James Rowell
Hi Paul, There may be a tool that already does what I'm about to describe, but I've done something like what (I think) you want in the past by cropping to the small area that you want to analyse then put a sufficient blur on that small area to smooth it all out, then reformat the small crop up

Re: Re: [Nuke-users] Analyze Brightness in a Region of Pixels to drive Grade Node

2012-05-12 Thread Eetu Martola
From : James RowellSubject : Re: [Nuke-users] Analyze Brightness in a Region of Pixels to drive Grade NodeHi Paul,There may be a tool that already does what I'm about to describe, but I've done something like what (I think) you want in the past by cropping to the