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# 2.2.13.3.5 Cornu Track Describe Fields

Ctl Pt
  The positions of the two Bezier control points. These will only be adjustable if the end they control is not attached to another track.
End Angle
  Each end has an angle which is set by the control arm at that end - this is a read-only field
End Radius
  Each end has an radius which is driven by the curve shape - this is a read-only field
End Pt
  Each End Point has a position. It can only be set if the Track is not joined at that end.
Center
  Each End shows the center of the curve of the end segment - this is a read-only field. If the radius is zero, the field will show {0,0}.
Minimum Radius
  This is the approximate smallest radius along the curve based on curve fitting to the Bezier.

Most commands return to Properties mode then they terminate unless the command is sticky (Section 2.10.8).

Note: the Default Command radio button on the Command Options (Section 2.10.2) dialog controls whether the Properties or the Select (Section 2.2.16) command is used as the default command.