I don't have a particularly great understanding of expressions(just got this from Dan Ebberts), so there might be something obvious that I'm missing here. Any ideas why? Or would anyone have a alternative workflow or workaround that could do it? (I don't get an error, but the strokes just expand or compress with the scale). Last updated on Motion tracking overview and resources With motion tracking, you can track the movement of an object and then apply the tracking data for that movement to another objectsuch as another layer or an effect control pointto create compositions in which images and effects follow the motion. However, the upper/inner box needs to have keep a constant height, and I'd like to be able to resize the larger/outer into a variety of shapes, rather than just the current 16:9 shape.īut if I try and seperate the scale width from height and alter either independantly, the expression doesn't seem to work. Now if I scale either of the boxes(or both together with a null) this works fine, and stroke is maintained. I've made two rectangle shape layers of the same stroke, and applied the following expression to stroke width of both: I'm trying to figure out how to scale the height and width independently, while maintaining stroke width. I've created a two concentric boxes, meant to look like a computer/browser window(first image).
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