=== Tracer Window ===

A tracer window displays the value of a selected entity as a line graph.

[[Image(tracer.jpg)]]
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Fig.1.  A full-size tracer showing the value of of entity "S" and "P"
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[[Image(tracer_s.jpg)]]
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Fig.2. The compact sized version of the same tracer as Fig.1 using HideGUI button



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