The Marquee tools are used to select a rectangular or elliptical region of the image.
Holding down certain keys while dragging modifies the selection behaviour.
Key | Behaviour |
---|---|
Shift | Restricts the selection to a square (or circle) |
Ctrl | Adds the new selection to the existing selection |
Alt | Subtracts the new selection from the existing selection |
Note: The Ctrl and Alt modifiers cannot be used together.
The selection types in the options palette allow you to restrict the selection dimensions.
Type | Description |
---|---|
Normal | The selection is unrestricted. |
Fixed Aspect Ratio | The aspect ratio (ratio of width to height) of the selection is restricted to the dimensions specified in the options palette. |
Fixed Size | The selection size is fixed and is equal to the dimensions specified in the options palette. |