P: CS6 - 90° Image rotation sometimes causes layers to shift by a pixel

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Contributor ,
Nov 14, 2012 Nov 14, 2012

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Layers shift by a pixel when using Image->Image Rotation-> 90° CW when the following two conditions are met:
1) Canvas size is an even number of pixels in one dimension and odd in the other.
2) Layer is not touching the top or right edge with the odd pixel dimension.



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LEGEND ,
Nov 19, 2012 Nov 19, 2012

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...and you have the snap to pixel option on in preferences -- because without that option, they'd move to half pixel boundaries.

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Contributor ,
Nov 19, 2012 Nov 19, 2012

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I don't have snap to pixel enabled. And these are bitmaps. And the same thing happens in CS5.

The issue is that someone does some cloning on a new layer on an image, then later rotates the whole image by 90CW or CCW, and the cloning layer becomes misaligned.

It does the same thing regardless of the snap to pixel setting.

I understand why this happens if I'm just rotating a subset of the layers, but it shouldn't behave this way when rotating the whole image/document.

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LEGEND ,
Nov 19, 2012 Nov 19, 2012

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The preference appplies to bitmaps when transformed.

Ok, if that happened in CS5, then it's something different and we'll have to investigate.

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Adobe Employee ,
Nov 21, 2012 Nov 21, 2012

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Hi David,

I can reproduce this. I'll go ahead and log it in our bug database.

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