Spectra Precision FAST Survey Reference Manual - Manual (Page 208)

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When you are certain that you have selected the desired polyline, press OK, and the graphic screen presents the area.
Since the point-defined area is a straight point inverse, the advantage of the pick polyline approach is that the polyline
may contain arcs.
At the end of each area calculation, you are asked if you would like to “Write result to raw file?” This will write a line
in the raw file as "Calculate area of polyline 602,606,605,603,602: Area = 119507.5654SF, 2.7435 acres." For
point-defined figures in metric, the raw file record presents square meters.
Intersections
This command allows for the calculation and storing of points based upon standard surveying practices of
Bearing-Bearing, Bearing-Distance, or Distance-Distance Intersection calculations. Data can be entered manually or
defined by selecting points from a point list or map. The kind of intersection calculation to be performed determines the
number of possible solutions. With a Bearing-Bearing calculation, there will be only one possible solution.
Bearing-Distance, and Distance-Distance calculations will have two possible solutions prompting the user to pick the
desired solution. Note that in intersection calculations of Bearing-Distance and Distance-Distance there may be no
solution for the input data. In these cases, FAST Survey will display the message, "No Valid Solution."
From the COGO Menu, select Intersections. Fill out the appropriate data fields to perform the desired calculation.
The Enter key moves forward through the edit boxes. The current Angle setting in Job Settings, Units, dictates