Edit/Alignments/Trace

(This functionality is available with the Computations module)

Extends an alignment object by automatically tracing along lines contiguous with the alignment.

Trace Alignment dialog box

Item	Used to
Alignment:	Select the alignment which is to be extended.
Trace in Both Directions:	Select whether the trace will extend in both directions.
Apply:	Commence the trace operation and extend the alignment as it proceeds.
Accept:	Accept the currently highlighted line as the required trace direction when more than one trace direction is available.
Reject:	Reject the currently highlighted line as the required trace direction when more than one trace direction is available. An alternative trace line will then be highlighted.
Abort:	Ends the current trace operation.