Epson Photo Plus - PhotoPlus Color Photo Scanner User's Guide download pdf (Page 44)

32 Layers and Masks

You can create any number of new

layers in your image. Each new one

appears on top of the currently active

layer, comprising a stack that you can

view and manipulate with the Layers

tab. We call these additional layers

standard layers to differentiate them

from the Background layer. Standard

layers behave like transparent sheets

through which the underlying layers

are visible.

In the example on p. 31, the standard layers Surfer Girl, Beach, and Sky are

arranged foreground to background by their position in the layer stack, with the

Background layer not being used.

Other types of layers also exist in PhotoPlus:

Shape layers are specifically designed to keep drawn lines and shapes

(including QuickShapes) separate from the other layers so that they remain

editable. (See Drawing and editing lines and shapes; p. 145)

Text layers, work like Shape layers, but are intended exclusively for Text.

(See Creating and editing text; p. 142)

Adjustment layers apply corrective image adjustments to lower layers. (See

Using adjustment layers; p. 54)

Filter layers, are much like standard layers, but you can apply one or more

filter effects to the layer without permanently altering layer content. You

also have full control over effects in the future. (See Using filter layers;

p. 68)

For now though we're concerned mainly with the Background and standard

layers.

A key distinction is that pixels on the Background layer are always opaque, while

those on standard layers can vary in opacity (or transparency—another way of

expressing the same property). That’s because standard layers have a "master"

Opacity setting that you can change at any time (with on-screen real-time

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Epson Photo Plus - PhotoPlus Color Photo Scanner User's Guide Page 44