Hi J

You did right, the sampler tool is what you need and unfortunately is looks
like your monitor is picky :(

A

On Tue, Jan 13, 2015 at 11:58 PM, Jason P Nguyen <[email protected]>
wrote:

> Damn,  it might be the monitor.  Moved the viewer to my dell monitor and
> it doesn't look banding at all.
> Viewer pref is float.
>
> Hey Adrian,  which curve type in the curve tool do I need to sample,
> intensity, exposure,  or Luma? They all just gave me rob numbers w/o the
> visual curve. . I plugged the sampler node under the ramp instead,  and it
> gave visual graph.  Looks smooth . . So I would say the monitor,  even on
> client's side
>
> Thanks all.
>
> J
> On Jan 13, 2015 3:49 PM, "Adrian Cruceru" <[email protected]>
> wrote:
>
>> Sorry about the advice on the curve tool, you need the sampler instead,
>> if will quickly show you if you have real banding in the actual data which
>> is simply repeating pixels nothing more.
>> You can test the sampler with a ramp and a posterize tool too see what
>> banding will look like in  the analyzed curve
>> Hope it helps
>>
>> Cheers
>>
>> Adrian
>>
>> On Tue, Jan 13, 2015 at 11:34 PM, chris <[email protected]> wrote:
>>
>>> On 1/13/15 at 11:23 PM, [email protected] (Jason P Nguyen) wrote:
>>>
>>>> The client also saw the banding from the grad i had on a sky.
>>>>
>>>
>>> hmm, are you seeing banding in the ramp/mask falloff or in the sky?
>>>
>>> if it's only in the sky it could well be an issue with the footage (8bit
>>> and/or compressed).  if you see it in the alpha itself then most likely a
>>> screen issue, but as others have said, plotting a curve is a good way to
>>> make sure.
>>>
>>> chris
>>>
>>>
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>>
>>
>>
>> --
>> Adrian Cruceru
>> df(x)
>>
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>
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-- 
Adrian Cruceru
df(x)
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