Creating Script for Text that Increases in Opacity from Y Axis?

[Roland R. kahlenberg]

See if this works for you. You can tweak the InPointSensitivity and MidPointOpacitySensitivity values for more control over when the dissolve starts and ends.

SourcePos = transform.position[1];
InPointSensitivity = 100;
MidPointOpacitySensitivity = -150;
MidPointOpacity = height/2+MidPointOpacitySensitivity;
InPointOpacity = height+InPointSensitivity;
linear(SourcePos,InPointOpacity,MidPointOpacity,100,0)

HTH
RoRK

Intensive mocha & AE Training in Singapore and Other Dangerous Locations

Imagineer Systems (mocha) Certified Instructor
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[Andreas Sizynski]

thanks for the headsup! and where in the text layer am I entering these values?

For example, am I entering SourcePos = transform.pos[1]; in an Animator 1 drop down in the Text Layer, or am I straight up entering SourcePos = transform.pos[1] into the standard Position effect in the standard Transform drop down menu?

But where would I enter this? “InPointSensitivity = 100;
MidPointOpacitySensitivity = -150;
MidPointOpacity = height/2+MidPointOpacitySensitivity;
InPointOpacity = height+InPointSensitivity;
linear(SourcePos,InPointOpacity,MidPointOpacity,100,0)”

[Roland R. kahlenberg]

You paste the entire script into the Opacity property. The script works based on the position keyframes, specifically the y-position of your text layer. There is no need for Text Animators.

HTH
RoRK

Intensive mocha & AE Training in Singapore and Other Dangerous Locations

Imagineer Systems (mocha) Certified Instructor
& Adobe After Effects ACE/ACI (version 7)

[Andreas Sizynski]

So how do InPointSensitivity and MidPointOpacitySensitivity values determine when the thing dissolves?

Right now, using the script, the Opacity is stuck at 82% from beginning of the timeline to end, and scrubbing the timeline reveals no change in this opacity value.

An Artist interested in the past, stuck in the present.

[Roland R. kahlenberg]

You have to animate the position of the Text Layer. The script will automatically animate the Opacity value. It seems like you’ve not animated the position of the Text Layer.

HTH
RoRK

Intensive mocha & AE Training in Singapore and Other Dangerous Locations

Imagineer Systems (mocha) Certified Instructor
& Adobe After Effects ACE/ACI (version 7)

[Andreas Sizynski]

To be clear, I am trying to keep the text layer itself in a static position.

I am only trying to animate the directional opacity of the text, not it’s position. A good example would be the motion graphic for this youtube clip:
https://www.youtube.com/watch?v=WVAJBR07ryQ

Not just the stroke, but the actual directional opacity of NODE’s fill is essentially what I want to reproduce (except the opacity directionally going upwards, not downwards as seen in the clip).

An Artist interested in the past, stuck in the present.

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[Roland R. kahlenberg]

It’s a 12-minute + video! Do you actually know which part of the video the effect appears?

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[Andreas Sizynski]

yes, it is the intro motion graphic NODE from 00:00 to 00:01.

Note how the fill in the letters making up the word NODE have a directional opacity property (I think that’s what that is). Thats the essence of the effect I am trying to create.