Concentric Circle Selections

L
Posted By
Liv
Jun 11, 2005
Views
328
Replies
3
Status
Closed
Using PS6

Open New.
I would then like to create a tire-shaped area.
Using the elliptical marquee tool and its constraint (centre/out), I draw the small inner circle. Is there any way I can add a larger outer circle
marquee selection having both selections appearing simultaneously while I paint in the area between them? Any alternate way(s) of doing the same thing?
Thanks for any help.
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Y
YrbkMgr
Jun 12, 2005
One idea is to create an alpha channel out of your first selection, then transform it (Select|Transform)to make it larger (or smaller) and make an alpha channel out of that. Then you can load the larger alpha channel as a selection, and subtract the smaller alpha channel; optionally create a third alpha channel out of this one and size it if necessary using Select|Transform.

Peace,
Tony
MV
Mathias_Vejerslev
Jun 12, 2005
First make the outer ring, then hold Alt while starting the inner circle, followed by alt-shift (dragging from centre).
ML
Mike_Logan
Jun 12, 2005
I start with the outer circle and fill it. Then with it still selected I use Select>Modify>Contract as often as necessary then hit delete. One doughnut ready for use !!!

Sometimes the above commands do not produce an inner circle that is true enough, so a little repair work is necessary.

Cheap – but cheerful !!!

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