Epson Photo Plus - PhotoPlus Color Photo Scanner User's Guide download pdf (Page 106)

94 Manipulating Images

Add

Subtract

Intersect

For Rectangle and Ellipse Selection tools, the Context toolbar additionally lets

you set a Fixed Size or Fixed Aspect, or number of Rows or Columns (Rectangle

Selection Tool only) in advance of creating your selection—great if you have a

clear idea of the selection area required!

Using the Selection Brush Tool is a simple way to create a brush-based selection.

For a more sophisticated selection method, utilizing full brush control and

painting in grayscale for degrees of selectiveness, use Paint to Select mode. (See

Paint to Select mode on p. 99.)

Selecting layer opacity/transparency

New layers are transparent (they have an alpha channel), but once you've placed

pixels on the layer you'll be able to select between the layer's pixels (i.e., their

opacity) and remaining transparency.

To create a selection from a layer's opacity/transparency:

For selection of Opacity: In the Layers tab, Ctrl-click on the layer’s image

thumbnail.

For selection of Transparency: As above, but additionally select Invert

from the Select menu.

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Epson Photo Plus - PhotoPlus Color Photo Scanner User's Guide Page 106