Serif ECD518624M Datasheet download pdf (Page 160)

152 Layers and Masks

2. Read the value shown for "O" (Opacity) on the HintLine (e.g., O:80%).

The readout updates constantly, showing the opacity value of each

pixel under the cursor.

For more useful hints and tips about using opacity, see PhotoPlus help.

Using depth maps

Depth maps let you add remarkable 3D realism to ordinary images. A standard

"flat" image, of course, has only two dimensions: X and Y, or width and height.

Adding a depth map to a layer gives you an extra channel that stores

information for a third (Z-axis or depth) dimension, in effect adding "volume" to

the image. It's as if the original image acquires a surface with peaks and valleys—

and you can play with the elevation of the landscape to achieve different visual

results.

The example opposite was created simply by painting

in white (on a green background) with a fuzzy brush

on the depth map.

Changes on the "map" layer produce the effect of

highs and lows in the "surface"... it's like using a 3D

brush!

You can also combine depth maps with pre-defined 3D effects hosted in the

Instant Effects tab to create fascinating surfaces and textures—simply click on a

thumbnail from one of the tab's categorized galleries with your layer containing

the depth map selected, e.g.

Elements -

Fire Storm

Abstract -

Plasma

Stone -

Polished Stone

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Serif ECD518624M Datasheet Page 160