Rotation issue in Photoshop CS6

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  • Updated 6 years ago
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  • (Edited)
I have a persistent image rotation problem in Photoshop CS6. When I rotate a layer using the free transform tool or the rotate tool, if there are horizontal or vertical lines, they become very jagged - that is it looks as though anti-aliasing hasn't been applied. However, when I go Image:rotate and rotate the whole image by an arbitrary amount, there are no jaggies.
Mac OS 10.7.4; 2x2.4 Quad Core Intel Xeon; 24 GB Ram. ATI Radeon HD 5770 OpenGL Engine.
This occurs even if I turn off 'Use Graphics Processor' in Preferences:Performance.
How can I fix this? It is even showing up in my panoramas that have used photomerge??
This doesn't happen on my laptop which makes me think it is something to do with the graphics card - but how can that be when I turn off 'use graphics processor"?
Laptop is: Macbook Pro; OS 10.7.4; 4gb ram; 2.4 Ghz intel core 2 duo; Graphics = NVIDIA Geforce 320m open gl engine
I couldn't get your Add image button to accept a jpg from my desktop OR to accept the following creative cloud html: https://creative.adobe.com/file/f34a9...
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John Doogan

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Posted 6 years ago

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Chris Cox

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Check the free transform options bar - where you can set the type of interpolation.
I'll bet it's set to Nearest Neighbor, and that is remembered in your preferences.

The rotation menu commands will use the interpolation set in preferences (which is probably bicubic).
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John Doogan

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Dang!! Such a simple solution. Thanks very much!!

As a side note - it seems this is connected to Photomerge as I first noticed the problem appearing in stitched images that had some rotation applied.