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For this example, use trails to create search segments:
1. Start editing.
2. Display your trails layer.
3. Although a trail may appear as a single line, it may actually
be made up of a series of connected lines that would not
be visible otherwise. In GIS terms, these individual lines are
segments that make up the entire line. This is important to
know because if you select a segment with the Edit tool, it
may not select the entire segment of the trail you need to
create an assignment. Review the ArcGIS 10 Resource Center
topic A quick tour of editing to better understand how to do
this.
4. Using the Selection tool, select the trails that need to be
assigned to a single segment. Use the Edit tool and hold
down either Ctrl or Shift while clicking to select all trail
segments.
Figure 2-44
MapSAR User’s Manual July, 2012
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Chapter 2: Tutorial