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Activity Forums Adobe After Effects How do I get to this step in the tutorial?

  • How do I get to this step in the tutorial?

    Posted by David Riquelme on January 28, 2009 at 4:32 am

    Been doing this tutorial, but I get stuck.
    Tut: https://library.creativecow.net/articles/ebberts_dan/noise.php

    I have created the solid, and then do I double click into that to create a circle mask?

    Also, I don’t know how to enter the properties, how do I get to the screen where it asks to enter the properties?

    ////////////////

    Add this expression to the Position Property:

    numRows = 10;
    numCols = 10;

    row = Math.floor((index – 1)/numCols);
    col = (index – 1)%numCols;
    x = col*width + width/2;
    y = row*height + height/2;
    xOffset = (this_comp.width – numCols*width)/2;
    yOffset = (this_comp.height – numRows*height)/2;

    [x,y,position[2]] + [xOffset,yOffset,0]

    //////////

    Thanks for any help 🙂

    Paul Hennell replied 17 years, 6 months ago 2 Members · 1 Reply
  • 1 Reply
  • Paul Hennell

    January 28, 2009 at 1:00 pm

    To make a circle mask you can double click on the circle mask icon (Left of the pen) on the toolbar. (If you can’t see the circle mask tool you need to click and hold on the square mask tool, to see all the available mask shape options.)

    The property question looks like your first foray into expressions; expressions are incredibly powerful, and incredibly useful, but somewhat hidden away until you need them. To add an expression to any property, Alt + click on the animation stop-watch symbol and a new line will appear where you can add your expressions.


    Only in after effects do children get to pick and whip their parents.
    https://hennell-online.co.uk

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