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Adding an expression to a path
I can’t work out the right object name for a path I’ve created, which I need to add an expression to. Here’s the code I’ve got:
</p><p> function createShape(targetComp) {</p><p> return targetComp.layers.addShape();</p><p> }</p><p> function createShapeGroup(shape) {</p><p> return shape.property("Contents").addProperty("ADBE Vector Group");</p><p> }</p><p></p><p></p><p> function createPath(group) {</p><p> return group.property("Contents").addProperty("ADBE Vector Shape - Group");</p><p> }</p><p>[...]</p><p> var comp = getActiveComp();</p><p> var shp = createShape(comp);</p><p> shp.name = ("Curve");</p><p> var curvgrp = createShapeGroup(shp);</p><p> curvgrp.name = ("CurveGrp");</p><p> var curv = createPath(curvgrp);</p><p></p><p></p><p>This works, and adds a path in a group called CurveGrp, on a shape layer called Curve.
But how do I add an expression to this path? I’ve tried these options, and none of them work:
</p><p>curv.content("Path 1").expression = "[...]";</p><p>curv.content("Path").expression = "[...]";</p><p>curv.path.expression = "[...]";</p><p> curv.content("ADBE Vector Shape").expression = "[...]";<br></p><p></p><p></p><p> -
5 Replies
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I should clarify – this is an AE script rather than an expression.
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Try this one:
curv.property("Path").expression = "value"; -
Thanks Dan. That doesn’t work though sadly, neither does
curv.property("Path 1").expression =...The hierarchy on the layer is Contents > CurveGrp > Path 1 > Path, if that helps.
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That’s surprising because I’m running your code and it works for me:
function getActiveComp(){
var theComp = app.project.activeItem;
if (theComp == undefined){
var errorMsg = localize("$$$/AE/Script/CreatePathNulls/ErrorNoComp=Error: Please select a composition.");
alert(errorMsg);
return null
}
return theComp
}
function createShape(targetComp) {
return targetComp.layers.addShape();
}
function createShapeGroup(shape) {
return shape.property("Contents").addProperty("ADBE Vector Group");
}
function createPath(group) {
return group.property("Contents").addProperty("ADBE Vector Shape - Group");
}
var comp = getActiveComp();
var shp = createShape(comp);
shp.name = ("Curve");
var curvgrp = createShapeGroup(shp);
curvgrp.name = ("CurveGrp");
var curv = createPath(curvgrp);
curv.property("Path").expression = "value"; -
So weird. I just tried that again and it didn’t work. I did, however, make it work using a slightly hacky workaround, going from further back up the tree:
</p><p>cg = shp.property("Contents").property("CurveGrp").property("Contents");<br> cg.property("Path 1").property("Path").expression = "value";</p><p></p><p>
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