by Renee Dustman
There’s more to the Rectangular Marquee tool than meets the eye. Select it from the Tools panel, and then just click the appropriate button on the tool options bar to create a new selection, add to a selection, delete a selection, or intersect with another selection, as shown in Figure A. To smooth the edges of a selection, enter a pixel value in the Feather text box. Your only other option is to choose Normal, Fixed Size, or Fixed Aspect Ratio from the Style pop-up menu. Choose Normal to create a random selection, choose Fixed Size to create a selection of a specific size, or choose Fixed Aspect Ratio to create a selection that maintains its width-to-height proportions, regardless of size.
To resize an existing selection, choose Select > Transform Selection or -click (right-click in Windows) inside the selection and choose Transform Selection from the resulting shortcut menu. Click and drag the resulting handles to resize or rotate the selection, as shown in Figure B. Click the Commit Transform (Return) button on the tool options bar to apply the transformation.
Another way to resize a selection is to click the Edit[…]