Page 56 - Adobe Photoshop and Dreamviewer 2021

11. Choose Select>Inverse.
To remove the area around the lightning, you have to select everything other than what Note:
you originally selected — in other words, the inverse of the previous selection.
Press Command/Con-
trol-Shift-I to invert the
active selection.
Marching ants surround
the image edge and the
original selection.

The area between the
two marquees is the
current selection.

12. With the Lightning layer selected in the Layers panel, press Delete/Backspace.
Selection marquees are not particular to a specific layer. You have to make sure the

correct layer is active before you use the selection to perform some action.

Only the active layer is
affected by the deletion.

Pixels in the selection
area are permanently
removed from the layer.

13. Choose Select>Deselect to turn off the active selection (marching ants).

14. Save the fi le and continue to the next exercise.

Understanding the Lasso Tool Variations

The Polygonal Lasso tool creates selections
with straight lines, anchoring a line each time you
click. To close a selection area, click the fi rst point Polygonal Lasso
tool cursor
in the selection.
The Magnetic Lasso tool snaps to high- Click each spot
contrast edges. You can use the Options bar to to anchor the
control the way Photoshop detects edges: selection line.
• Width is the distance from the edge the
cursor can be and still detect edges; set this
higher to move the cursor farther from edges.
Magnetic Lasso
• Contrast is how different the foreground can tool cursor
be from the background and still be detected;
if there is a sharp distinction between the fore-
ground and background, you can set this value Drag near the
higher. edges of the object
and the selection
• Frequency is the number of points that will snaps to the edges.
be created to make the selection; setting this
number higher creates fi ner selections, while setting it lower creates smoother edges.

68 Project 1: Composite Movie Ad