Dropdown menu colour change

Community Beginner ,
Sep 09, 2022 Sep 09, 2022

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Hi all. I am trying to use a dropdown menu control to change the colour of an imported EPS within AE. Can someone help? Tried Expression controls>dropdown menu control and added colour 1, 2 and 3. But this is where I get lost! Does it need a fill Effect>Generate Fill applied beforehand and if so is it a matter of pickwhipping but then how do I choose what the colours are? Any help appreciated.

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Community Expert ,
Sep 09, 2022 Sep 09, 2022

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This is not directly possible. The expression values have to be referenced against a second list or array inside the expression itself. All the dropdown does is to provide a value or index. And yes, of course you need to connect it to something that actually can generate a fill liek an effect or e.g. a fill control after converting the logo to a shape layer. Expressions themselves cannot change pixel data. So assuming you have three colors, it could look something like this:

 

myDrop=thisComp.layer("XYZ").effect("Dropdown")("Dropdown");

myColA=[0,0,1];
myColB=[1,0,1];
myColC=[1,0.5,1];

myCols=[myColA,myColB,myColC];

myOut=myCols(myDrop);

[myOut[0],myOut[1],myOut[2]]

 

Of course you need to adjust the references and colors to suit your setup.

 

Mylenium

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