With this function, the user can create a Tract by selection polylines and/or regions on the screen.

When the user clicks Define Tract by Polyines/Region, the dialog will clear and the user will be
asked to Select Tract Boundary(ies).  User can select one or multiple polyline(s) and/or
region(s).  If multiple polylines and/or regions are selected, the number will be reflected by the
Units value in any Land Use Summary. When the selection is finished, a new dialog box
will appear and the user will be asked to select the Tract Type  to apply to the new Tract.

After selecting the Tract Type, theuser will be prompted to Enter Tract Name.  This will be
the unique identifier for the new Tract.

Upon entering a vaid name and hitting OK, the new Tract will be added to the Currently Defined Tracts list and
will be included in any Land Use Summary that is displayed.

This function is identical to the Define Tract by Polyline(s) function accessible from
the drop-down menu.