Where's the overhead?  Info on a roto node and rotopaint both says

'Total Memory Usage: 0B'

On 1 April 2015 at 11:08, Randy Little <randyslit...@gmail.com> wrote:

> huh?   output can be whatever you tell it.   Pre-Multiply is directly
> under output.  Set output to none and premult to RGBA and you get your RGB
> input Premulted by whatever roto you have drawn in the node with only 2
> nodes instead of  3.
> If you set paint node up the same way it does the same thing.   You just
> don't get the overhead of the rest of the paint stuff being loaded into
> it.
>
> Randy S. Little
> http://www.rslittle.com/
> http://www.imdb.com/name/nm2325729/
>
>
>
> On Tue, Mar 31, 2015 at 5:57 PM, Ergin SANAL <erginsa...@gmail.com> wrote:
>
>> it works without premultipication, need to choose source as background
>> and replace the alpha. premult is distractive time to time.. cheerz
>>
>>
>>
>> On Wed, Apr 1, 2015 at 12:46 AM, Randy Little <randyslit...@gmail.com>
>> wrote:
>>
>>> Roto node will output RGBA (or anything) I premult inside the roto node
>>> all the time so its just inline no extra premult step.  (not always a best
>>> practice fyi) but I do it :-/
>>>
>>> Randy S. Little
>>> http://www.rslittle.com/
>>> http://www.imdb.com/name/nm2325729/
>>>
>>>
>>>
>>> On Tue, Mar 31, 2015 at 5:30 PM, Ergin SANAL <erginsa...@gmail.com>
>>> wrote:
>>>
>>>> rotopaint's  output is rgba and roto's is only a.
>>>> that means with rotopaint, nuke has to deal with 3 more channels.
>>>> maybe thats why there are some performance issues.
>>>> actually there are no difference between 2 nodes except output channels
>>>> and place of the sliders. (feather,opacity etc.)
>>>>
>>>>
>>>>
>>>> On Wed, Apr 1, 2015 at 12:23 AM, Randy Little <randyslit...@gmail.com>
>>>> wrote:
>>>>
>>>>> clean UI.   No accidental painting.  bigger memory footprint maybe?
>>>>>
>>>>> Randy S. Little
>>>>> http://www.rslittle.com/
>>>>> http://www.imdb.com/name/nm2325729/
>>>>>
>>>>>
>>>>>
>>>>> On Tue, Mar 31, 2015 at 2:21 PM, Ron Ganbar <ron...@gmail.com> wrote:
>>>>>
>>>>>> No idea about performance, but I do love the fact that when I use the
>>>>>> O hotkey instead of the P hotkey, I can immediately start drawing a 
>>>>>> shape,
>>>>>> as the Bezier tool is on by default.
>>>>>>
>>>>>>
>>>>>>
>>>>>> Ron Ganbar
>>>>>> email: ron...@gmail.com
>>>>>> tel: +44 (0)7968 007 309 [UK]
>>>>>>      +972 (0)54 255 9765 [Israel]
>>>>>> url: http://ronganbar.wordpress.com/
>>>>>>
>>>>>> On Tue, Mar 31, 2015 at 9:14 PM, Simon Björk <bjork.si...@gmail.com>
>>>>>> wrote:
>>>>>>
>>>>>>> For some reason I always reach for the RotoPaint node instead of the
>>>>>>> regular Roto node. I'm not sure why I got into this habit, but it might 
>>>>>>> be
>>>>>>> (if I'm not mistaken) that the RotoPaint node was introduced before the
>>>>>>> Roto node back in 6.0.
>>>>>>>
>>>>>>> Anyway, does anyone know if there's a difference in
>>>>>>> performance/stability when doing just regular roto? We've all had or
>>>>>>> problems with the RotoPaint node over the last couple of versions, but I
>>>>>>> have never actually compared the two nodes to see if one is "better" 
>>>>>>> than
>>>>>>> the other.
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> -------------------------------
>>>>>>> Simon Björk
>>>>>>> Compositor/TD
>>>>>>>
>>>>>>> +46 (0)70-2859503
>>>>>>> www.bjorkvisuals.com
>>>>>>>
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>>>>>>>
>>>>>>
>>>>>>
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>>>>>
>>>>>
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