Photoshop resize circularly

Is there a way to do this circular resize of a pattern in photoshop (flat image) ?
(I only want to resize the green disk, without changing the size of the interior white disk and without losing details of the green disk, just flatting them)

enter image description here


This can be done here are 4 approaches that work. No apprach is simple to do but its possible. I will describe the conceptually easiest option.

Option1: Using polar coordinates

  1. Use the offset filter to move your circle center exactly to the middle of your document.
  2. Apply polar coordinates.
  3. Select the region that is now a strip in your image and scale it down.
  4. Apply inverse polar
  5. Inverse the offset


Source : Link , Question Author : Eric Hz , Answer Author : joojaa

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