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wildownes2
Inspiring
November 17, 2015
Answered

thisProperty expression

  • November 17, 2015
  • 2 replies
  • 2141 views

‌I understand I can use thisProperty to get the index of a property, but is there a way to get the index of the shape group my opacity is inside? Sort of like an thisProperty.parent.index or something

    Correct answer Dan Ebberts

    It's going to be something like:

    thisProperty.propertyGroup(4)

    .propertyGroup lets you travel up the property hierarchy, with the number specified being the number of levels you're moving up. One thing that can help is to pickwhip to your property from a text layer's source text expression to create an expression like this:

    p = thisComp.layer("Shape Layer 1").content("Group 1").content("Rectangle 1").transform.opacity;

    p.propertyGroup(4).name

    That way you can see what the different levels are (sometimes they're not all visible)  to make sure you've got the right one.

    Dan

    2 replies

    W
    wildownes2Author
    Inspiring
    November 17, 2015

    Thank you so much!  I thought I'd have to wait more than 20 minutes for that answer!

    ‌

    D
    Dean Mellis
    Participating Frequently
    March 30, 2017

    Dan, Is there a way to drill one layer down to target a property inside another group? 

    The propertyGroup() function goes up one level but I cannot find any way to go down one level in the hierarchy.

    D
    Dean Mellis
    Participating Frequently
    March 30, 2017

    Maybe you could supply an example of what you mean. In general, you could go up using propertyGroup() until you get to a common ancestor, then go down the other branch from there by name.

    Dan


    Thanks for your quick response Dan. I actually found an answer on another one of your pages.

    This is what I meant. You can just put a number in parentheses after content. I couldn't find the answer to this anywhere. I guess it was just obvious to everyone in the world except me.

    theNextIndex = thisProperty.propertyGroup(2).propertyIndex + 1;

    xPos = thisComp.layer(index).content(theNextIndex).transform.position[0] + 11;

    Dan Ebberts
    Community Expert
    Dan EbbertsCommunity ExpertCorrect answer
    Community Expert
    November 17, 2015

    It's going to be something like:

    thisProperty.propertyGroup(4)

    .propertyGroup lets you travel up the property hierarchy, with the number specified being the number of levels you're moving up. One thing that can help is to pickwhip to your property from a text layer's source text expression to create an expression like this:

    p = thisComp.layer("Shape Layer 1").content("Group 1").content("Rectangle 1").transform.opacity;

    p.propertyGroup(4).name

    That way you can see what the different levels are (sometimes they're not all visible)  to make sure you've got the right one.

    Dan

    J
    Jamie Northrup
    Participating Frequently
    August 24, 2023

    Thank you so very much Dan!

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