I've noticed that in Photoshop, when using the transform tool the shape actually loses quality.

Zoomed-in result using the transform tool:

Zoomed-in result using the transform tool

Zoomed-in result using the shape menu toolbar:

Shape menu toolbar Zoomed-in result using the shape menu toolbar

What's the reason for this behavior? And is it possible to get the transform tool to have the same result as the Shape menu toolbar?

  • are you transforming vector or raster elements? – DA01 Jun 12 '14 at 22:25
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    You can correct me if I'm wrong but I believe a Shape is a vector. – smaili Jun 12 '14 at 22:29
  • Are you transforming both shapes at the same time? – ntgCleaner Jun 12 '14 at 23:08
  • Nope, just a single shape. Just create a shape with a Stroke and Fill, then Cmd+T, drag out, apply the transform, then zoom in and you should see a loss in quality. Unless it's just me, then I'll know at least it's not a bug in PS. – smaili Jun 12 '14 at 23:14
  • Well it seems you don't have a perfect square, are you dragging from the corner? or from edges? If you drag from a corner with a shape that is not square, it will try to fudge the perfect aspect ratio - which will leave those ghosted lines – ntgCleaner Jun 12 '14 at 23:43

If you use Photoshop CS6 and later you can turn on "Snap vector Tools and Transform to Pixel Grid". Open preferences Ctrl+K and find it at the end of the list.

  • Thanks for the tip Vnovak! Unfortunately that preference was already selected. – smaili Jun 12 '14 at 20:10
  • Strange case.. Are you transforming manually? Via dragging of controls? – Vnovak Jun 12 '14 at 20:50
  • Yes I am. Cmd+T then drag. – smaili Jun 12 '14 at 20:59
  • Looks like some bug. In this case it really snaps to pixel grid. – Vnovak Jun 12 '14 at 21:22
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    So is there any way to transform without losing quality? For now I'm just using the Shape toolbar but it's definitely more convenient to be able to freely drag. – smaili Jun 12 '14 at 21:24

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