Not sure if this covers your scenario exactly but maybe its helpful in some
way:
set cut_paste_input [stack 0]version 8.0 v5Read { inputs 0 format "1067 1600 0
0 1067 1600 1 " first 4984 last 5002 origfirst 4984 origlast 5002 origset true
name Read1}Grade { multiply {{"input0.first / 100"}} name Grade1}ModifyMetaData
{ metadata { {set input/firstFrame "\[value input.multiply]"} } name
ModifyMetaData1}ViewMetaData { metadatafilter input/firstFrame name
ViewMetaData1}Grade { white {{"\[metadata input/firstFrame]"}} name Grade2}
> From: [email protected]
> Date: Sun, 27 Jul 2014 18:49:32 +1000
> To: [email protected]
> Subject: [Nuke-users] passing values down the stream
>
> hey all
>
> if I have a node "my_first_node" connected to a Read node and I am calling a
> value via input0.first and doing and expression to get a different value,
> then I have connected to "my_first_node" another node "my_second_node" and
> want to be able to call again the value "firs" from the Read node, how do i
> do this?
>
> I dont want to use the explicit name of the node with the value I am trying
> to access
> Is there a way to add the value to metaData and pass it down the stream as
> you would an extra channel.
>
> I could us modify and add a key say" input/firstFrame" but how do I get the
> "input/firstFrame" key to pick up that info when its connect to the read node
> I tried adding expression to the value (maybe I am putting the wrong thing
> in) but then the value only become the string of the expression.
>
> cheers all
> -adam
>
>
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