Spectra Precision Survey Pro v4.5 Ranger Reference Manual - Manual (Page 378)

Survey Pro Reference Manual
R-370
Predetermined Area
Cogo Predetermined Area .
The Predetermined Area routine will take a boundary with one
open side and compute the location of a line that will enclose the
boundary with a specified area using the Hinge Method or the
Parallel Method.
The Hinge Method computes the location of the side of a
boundary that can pivot on a fixed point.
The Parallel Method computes the location of one side of a four-
sided boundary where the computed side is parallel to a
stationary side of the boundary.
The top-left field is used to enter the desired area of the
specified boundary. In the next field, select the units entered
from the dropdown list.
Hinge: solves the boundary using the Hinge Method when
selected.
Parallel: solves the boundary using the Parallel Method when
selected.
Tap Polyline… : allows you to tap an existing polyline from a
map view to define the fixed sides of the boundary.
Note: a boundary has two fixed sides and one side defined by a
direction when using the Hinge Method. It has one fixed side and two
sides defined by a direction when using the Parallel Method.
3 2
1
4 (hinge)
?
Hinge Method
3 2
?
1
4
Parallel Method