In article <1hk4zce.fhumjcgh23ysN%>,
(Johan W. Elzenga) wrote:
Make a perfect circle with the eliptical marquee tool by holding the shift key. Then choose 'Make work path' from the path pallette and set the tolerance to the lowest value (0.5 pixels). That should give you a perfectly round path.
Nope; not even close. Try it.
If you do this, the resulting path will be quite jagged. This is to be expected, if you understand what a selection is.
A selection is a pixel-based object. A perfectly round selection is not possible; because the selection itself is made of pixels, and because pixels are square, a selection that is curved will always be "stairstepped." Setting a very low tolerance on the path makes the problem worse, as it causes the path to follow the stairstepping faithfully.
To make a perfectly round path, use the Ellipse tool. When you click on the Ellipse tool (or any Shape tool), you can tell it to make a path by clicking on the Paths button in the Options bar. The Paths button is the one that looks like a square with a pen icon over it. On the Options bar, it is the center button in the group of three buttons on the left-hand side.
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