Spectra Precision Survey Pro v4.5 Recon and Nomad Reference Manual - Manual (Page 398)

Survey Pro Reference Manual
R-390
Spiral Layout
Curve Spiral .
The Spiral Layout screen is used to compute station locations on a
spiral curve.
Radius: is the radius of the circular curve.
Spiral Length: is the length along the spiral curve from
TS to SC.
TS station: is the station at the TS point.
; Interval : When checked, is the spiral arc distance
that is added or subtracted from the Current Station using
the Sta + and Sta – buttons.
Current Station: is the station on the curve that is
computed.
Solve : solves and displays the details for the specified
spiral curve.
Sta - : decreases the Current Station by the specified
Interval.
Sta + : increases the Current Station by the specified Interval.
Layout : computes the location of the Current Station.