• Adobe After Effects Expressions

  Ho to read layer name from slider control?

  Posted by Hadi Kot on February 11, 2019 at 10:27 am

  Hi i want to read expression layer name from a slider controller,
  it try this but it din’t help
  txt =effect(“Slider Control”)(“Slider”).value);
  thisComp.layer(“index=txt”).effect(“TOP”)(“Checkbox”);

  so want i need is if i change the slider value from 1 to 2 the expression get the value from the layer (2) and like this

  i appreciate your help

  txt =effect("Slider Control")("Slider").value);
thisComp.layer("index=txt").effect("TOP")("Checkbox");

  Hadi Kot replied 7 years, 3 months ago 3 Members · 4 Replies
• 4 Replies

• 

  James Ronan

  February 11, 2019 at 1:32 pm

  Hey

  Try something like this:

  
layIndex = parseInt(effect("Slider Control")("Slider").value);
thisComp.layer(layIndex).effect("TOP")("Checkbox");

• 

  Hadi Kot

  February 11, 2019 at 2:46 pm

  Thanks James,, really it read the layer number and not the layer name, but anyway it help i just need to be sure my layers are in the right order

  many thanks ..
• 

  Alex Printz

  February 11, 2019 at 3:22 pm

  Try this:

  lay = effect("Slider Control")(1).value;
layNam = String(lay.toFixed(0));
thisComp.layer(layNam).effect("TOP")(1);

  Alex Printz
  Mograph Designer
• 

  Hadi Kot

  February 11, 2019 at 5:33 pm

  Thanks Alex it work perfect ☺

Reply to this Discussion! Login or Sign Up