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Manipulating Images 47<br />
For Rectangle and Ellipse Selection tools, the Context toolbar additionally lets you<br />
set a Fixed Size or Fixed Aspect, or number of Rows or Columns (Rectangle<br />
Selection Tool only) in advance of creating your selection—great if you have a clear<br />
idea of the selection area required!<br />
You may want to uncheck Antialias on the Context toolbar to produce more<br />
jagged selection edges—however default operation will always smooth edges.<br />
The Text Selection Tool lets you create a selection in the form of text. Click<br />
with the tool to display the Text cursor. Type your text, format as needed, and click<br />
OK.<br />
Using the Magnetic Selection Tool<br />
The Magnetic Selection Tool makes it easy to<br />
isolate part of an image where there's already a bit of an<br />
edge showing. You simply trace around the edge, and<br />
<strong>PhotoPlus</strong> snaps the selection marquee to the nearest<br />
dramatic colour change.<br />
To use the Magnetic Selection tool:<br />
1. Click once on the image to place a starting node along an edge.<br />
2. With the mouse button, trace along the edge; the marquee line follows the<br />
nearest edge. At regular distances, nodes automatically appear along the line.<br />
Only the portion of the line beyond the last node remains adjustable.<br />
On the Context toolbar, you can adjust the tool's Frequency (distance between<br />
automatic nodes) and Contrast (edge sensitivity) for best results. As a shortcut,<br />
press the up and down arrow keys (or use your mouse's spinwheel) to adjust the<br />
contrast setting on the fly.<br />
1. To add a node manually (for example, at a corner), click once.<br />
2. To back up, press Delete to undo recent nodes one at a time; repeat as needed.<br />
To clear the marquee and start over, press Esc.<br />
3. To temporarily switch to the Polygon selection tool, hold down the Ctrl key.<br />
4. To close the selection region, double-click or click again on the starting node.