If i understand your question correctly, couldnt you create a noop or such
with an expression that adds the values from each Frame by grabbing the
values using a tange from 0 to current Frame?

Peter

On Saturday, October 19, 2013, Mark Nettleton wrote:

>  Thanks Dan! I'll test it out.
>
> On 10/18/2013 02:53 PM, Dan Rosen wrote:
>
> Hey Mark,
>
>  I wrote this Python script to snap Geo to an Axis and set keys per
> frame. I think this predated the same feature being included with Nuke
> nowadays. I haven't used it for a while, but I remember it was important to
> use threading and some sleep delays to get it to properly step through and
> compute.
>
>  You can set it up to change the values of your nodes instead of setting
> keys.
>
>
>
> On Fri, Oct 18, 2013 at 1:49 PM, Mark Nettleton 
> <[email protected]<javascript:_e({}, 'cvml', '[email protected]');>
> > wrote:
>
>> Is it possible to write a for loop in nuke, that executes every frame?
>>
>> For example, I have set of nodes that do something based on value n. I
>> want to loop thru those nodes, each time increasing n, to an arbitrary
>> value, then accumulate the results of all those operations.
>>
>> Thanks!
>>
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>
>
>
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>

-- 
Peter Hartwig
Freelance VFX artist
www.spyfactory.tv
--------------------------
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