Rounded values of AE setValueAtTime script?

Hi guys,.

I'm just getting started with extendScript, and I ran a question.

I'm trying to set a keyframe to a value (admittedly) large, After Effects sets a value that is different from the value that I. It seems to be snapping more rounded and incoherently.

For example, the values I put in the script, and what After Effects is layer on keyframe

1248304.6823 1248304.625

-4720535.9958 - 4720536

4092748.7335 4092748.75

You can see it seems to be 'registration' values in de.025 increments, but it does so inconsistently with a value to another. Is there a setting that I can put in the script to force it to use the actual value I want?

What is strange is that if I copy and paste these values into After Effects directly on keyframes, it rounds up to 3 significant figures, as I expect.

Is it all just because my numbers are too big? And if so, why the After Effects has no problem with the values?

Ideas or ideas would be very appreciated!

for (var i = 1; i & lt; = app.project.numItems; i ++) {}

If (app.project.item (i) instanceof CompItem) {}

model var = app.project.item (i);

var textName = comp.layers.addText ('test');

textName.threeDLayer = true;

textName.position.setValueAtTime (0, [1248304.6823,-4720535.9958, 4092748.7335]);

}

}

Zewt! You are a hero!

I took an approach changed to your idea:

I put int and decimal fractions of value as the positions on two null objects.

Then I used an expression on the camera.position to combine these two values.

Finally, I used this script I linked to convert expressions camera.position in keyframes and remove NULL values.

That way I would create two distinct null objects and do not create two for each axis (x, y, z).

In addition, the control slider has a limit of 1 000 000-1 000 000 which was not enough for what I had.

For one in the future (or maybe me) who may fall on this solution.

// Creating project
var project = app.newProject();
// Creating comp
var comp = project.items.addComp('untitled', 1920, 1080, 1, 15, 30);
// Open the comp
comp.openInViewer();

// Create a camera
var cameraLayer = comp.layers.addCamera( 'Camera', [
  '${this.model.width / 2}',
  '${this.model.height / 2}'
] );

var cameraPosition  = cameraLayer.position;

var positionInts = comp.layers.addNull();
positionInts.name = 'positionInts';
positionInts.threeDLayer = true;

var positionDecimals = comp.layers.addNull();
positionDecimals.name = 'positionDecimals';
positionDecimals.threeDLayer = true;

// Set the int of all your values on the positionInts null
positionInts.position.setValuesAtTimes(
    [0, 1, 2], [
        [4518810, -71312864, -2158705],
        [4522482, -71308958, -2158292],
        [4533658, -71297341, -2157044]
    ]
);
// Set the decimal of all values on the positionDecimals null
positionDecimals.position.setValuesAtTimes(
    [0, 1, 2], [
        [0.6400621915236115, -0.80026875436306, -0.5924631282687187],
        [0.0393883166834712, -0.00048755109310150146, -0.32361961202695966],
        [0.004953828640282154, -0.6714665293693542, -0.026646549347788095]
    ]
);

// Create an expression on the camera position
cameraPosition.expression = '[ thisComp.layer("positionInts").transform.position[0] + thisComp.layer("positionDecimals").transform.position[0] , thisComp.layer("positionInts").transform.position[1] + thisComp.layer("positionDecimals").transform.position[1], thisComp.layer("positionInts").transform.position[2] + thisComp.layer("positionDecimals").transform.position[2] ];';

// Bake all the expression keyframes
function convertToKeyframes(theProperty) {
    if (theProperty.canSetExpression && theProperty.expressionEnabled) {
        theProperty.selected = true;
        app.executeCommand(app.findMenuCommandId("Convert Expression to Keyframes"));
        theProperty.selected = false;
    }
}

convertToKeyframes( cameraPosition );

Thanks again for your contribution!

Tags: After Effects

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