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## Drawing : Tracer

This class is included as part of the file Drawing.tz.
To use this class in a simulation, include the line "@use Drawing."

### Class description:

> Tracer is a subclass of drawing that can be used to trace the motion of an agent over time. By default, it has an instruction limit of 50000 and the color is black, but these and other variables can be controlled using methods available in Drawing.

### Class methods:

> - trace

`trace agent theAgent (object)`

> Sets the tracer to follow theAgent.

Documentation created Thu Jul 3 18:18:12 2008