Rotate Blue image every 5 degree

[rich2005]

(12-17-2019, 09:38 PM)AmazingGimp Wrote: I have one of these image below here.
I would like to select the blue area, and rotate it every 30 degree. For every rotate, i would like it to be a separate layer. Is there any script to do this?

5⁰ or 30⁰ ? Let you sort that out

An alternative nearly in line with your request, you need to make a new layer with the tick. 

For a series of rotated layers, an old script-fu script-fu-copy-rotate-nLayer.scm from the defunct plugin-registry site:
Select your 'tick' apply the script (bottom of select menu)   screenshot https://i.imgur.com/bZjPa6t.jpg  gives this: https://i.imgur.com/GaEIaP6.jpg
As an animated gif in combine mode



For a single tick to rotate, combine the background with the layers Using another old script sg-combine-bg.scm as: https://i.imgur.com/tzYYHR6.jpg  and as an animated gif in replace mode:



Both those scripts attached. Unzip, put in your Gimp profile scripts folder 
C:\Users\"yourname"\AppData\Roaming\GIMP\2.10\scripts