• Adobe After Effects Expressions

  Expression result must be of dimension 2, not 1

  Posted by Aditya Prakash on March 10, 2020 at 12:02 am

  Following the tutorial on using Trapcode Sound Keys given at

  https://www.redgiant.com/tutorial/episode-46-music-visualization-with-trapcode-suite/

  I was trying to enter the expression exactly given in the tutorial (shown below), however, I continue to get the error “Expression result must be of dimension 2, not 1”. I tried to search the Internet and folks mentioned that I should be using square brackets instead of round brackets, but that does not help and changes the error. Any ideas on how to fix this?

  The expression I was trying was:

  a = thisComp.layer(“Sound Keys”).effect(“Sound Keys”)(“Output 1”);

  a = thisComp.layer("Sound Keys").effect("Sound Keys")("Output 1");
b = thisComp.layer("Sound Keys").effect("Sound Keys")("Output 2");
c = thisComp.layer("Sound Keys").effect("Sound Keys")("Output 3");

  y = a + b + c;


  Aditya Prakash replied 6 years, 6 months ago 2 Members · 2 Replies
• 2 Replies

• 

  Dan Ebberts

  March 10, 2020 at 12:24 am

  It looks like you left off the last line:

  value – [0,y]

  Dan
• 

  Aditya Prakash

  March 10, 2020 at 12:34 am

  Oh my, I feel so embarrassed. This is shown in the tutorial too, but after writing what i did, it started to throw the error and i just did not move forward in the video.

  Thank-you so very much 🙂

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