Tracing Points

Tracing Points

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You can select one or more points to see a trace of their path when dragging or moving the diagram. Here are the steps:

  • select the point(s) to trace
  • right-click to get the Context menu
  • Select Point Properties / Point Trace / Yes

Click-and-drag or animate the drawing to see the trace.  When you click again (or animate again) the last trace disappears and a new one is created.  The difference between constructing a Locus and drawing a Point Trace is the Locus creates a mathematical expression, a Point Trace does not.

A nice example of the Point Trace is the pantograph.

trace pt 1    trace pt 2 

The trace color can be changed from the Context menu under Line Properties / Line Color.