Using the Selection Brush Tool you can define a selection by painting on your page.
By default the Selection Brush Tool is set to expand the selection to include similar colour value pixels to those selected, even if these are not directly painted. In other words, the selection will grow up to high contrast edges within the image.
The number of pixels selected is determined by the size (width) of the brush in two ways:
This makes selecting an area of similar colour and tone effortless.
As an alternative to the expansion method detailed above, the Selection Brush Tool also has a non-expansion method of selection. This method will only select pixels which are under the brush when the stroke is painted.
With the Selection Brush Tool selected:
With the Selection Brush Tool selected, do any of the following:
See the note below for details.