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Stroke width expression?
Hi,
I’m trying to use this expression to keep stroke widths on shapes looking consistent no matter if the shape is scaled up or down.
https://battleaxe.tumblr.com/post/101945073972/maintain-stroke-weight-expression
When I put then in the stroke width and don’t change any of the variables, I get the error: “Error at line 0 in property ‘Stroke Width’ of layer 15…invalid numeric result (divide by zero?)”
When I substitute a number for 0 I get “Error at line 1 in property ‘Stroke Width’ of layer 15… index 5 out of range for stream of dimension 2.”
What am I missing here?
s = transform.scale[4];
scaleFactor = 100/s;
value*scaleFactor; -
7 Replies
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It should work fine like this unless you let the layer’s x scale get set to zero somehow:
s = transform.scale[0];
scaleFactor = 100/s;
value*scaleFactor;Dan
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I found out it was because my stroke was set to 4, it doesn’t work for a stroke that’s set to anything below 5. I don’t know why?
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It should. What’s the scale?
Dan
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Actually that may not be the problem. Initially I was trying to do this on a layer that was brought in from Illustrator and converted to a shape layer. When it started “working” was when I created a new shape layer and had put the stroke width in as 5.
The layer from illustrator has multiple Groups in it. Maybe that has to do with it? -
Hard to say without seeing it.
Dan
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When I delete groups from a shape layer so there’s only one, it works. I get a Line 0 error, but it works when I preview it. Is there a way for me to do this on a layer with multiple groups in it?
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Sorry for the multiple replies. I applied it to every Group in the layer and get both those error message. BUT I prerendered it and it seems to work fine. I don’t get it, but at least it’s working!
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