Shapes not snapping to pixel grid / grid and rulers pixel units not matching

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  • Updated 11 months ago
I have a problem with shapes not snapping to the pixel grid properly in photoshop. In preferences, I have set up "snap vector tools and transforms to pixel grid", but it appears not to work properly. When I transform, I have noticed that shapes sometimes are placed in between pixels, causing blurry lines. 

When you export the coordinates (using an external script) they reveal that the anchor points are actually not in the correct position. Instead of having a coordinate of 64, they can be at 65 or in some cases on 63.99. In a zoomed out mode, it's not noticable, but when you zoom in, the shape starts appearing and behaving strange. The anchor points and edges appear not on the line of the fill (image 1), and if you try to click the anchor point in this mode, you can't "catch" it. Sometimes, a new outline appears, making it look as if you have a second shape (which actually doesn't appear to exist at all), as shown in image 2. 

Another part of the problem is that the grid which is set up in pixels with 1 subdivision is not matching what appears the be the actual pixel grid, that the rulers and other elements are conforming to. 
Both grid and rulers are set up to use pixels as units. 

As you can see from the images, the shape fills and pixels seem to follow the pixels shown in the rulers, but the grid does not use the same "pixels". 

This is causing some trouble for our pipe line as we cannot trust the shape paths to be in the correct position for coordinate export. 

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Photo of Emma Ströberg

Emma Ströberg

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Posted 11 months ago

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