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continuous rotate? spin-in-place?

Apr 8, 2011, 05:57
Post: #1
continuous rotate? spin-in-place?
I have not been able to find a way to spin an object about its center, smearing it out in the process.

I'm trying to make a circle which is white in the center, falling off to black on the edges, following a specific contour. I could use Gradient to make a rectangle and cut a narrow line out of the Gradient which I would then like to spin-about its white endpoint.

It would make a nice effect to take any image and rotate-while-smearing around some point and through some angle.

Has anyone seen this? Thanks.
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Apr 8, 2011, 06:34 (This post was last modified: Apr 8, 2011 06:35 by ofnuts.)
Post: #2
RE: continuous rotate? spin-in-place?
Filters/Blur/Motion blur/ with "radial" option. It blurs both sides of the object but an adequate selection and a blend with the original sharp object can fix this.

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Apr 8, 2011, 16:39
Post: #3
RE: continuous rotate? spin-in-place?
Instead of creating a linear gradient and then trying to spin it around, why not just do it as a radial gradient in the first place? Once you have the blend tool set up with the gradient you want to use, just change the shape to radial. Now click in the center of where you want your gradient circle and drag out to the edge, using the control key to keep the line straight. You can then use the ellipse select tool to select the circular area you want. Now invert the selection and hit the delete key to erase everything outside the circle. It should look like my attachment, is that about what you where looking for?
   

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Apr 9, 2011, 01:55
Post: #4
RE: continuous rotate? spin-in-place?
Gradient has a RADIAL!? (personal moment to sob quietly)

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And thank you GIMP developers!
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