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Stake spiral and offset – Spectra Precision Survey Pro v3.80 Recon iPAQ Reference Manual User Manual

Page 147

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Stakeout Menu

R-141

Stake Spiral and Offset

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The Stake Spiral and Offset screen allows you to stake stations at
fixed intervals on a spiral curve, or at an offset to it.

Start Point

: is the point associated with the beginning of

the spiral curve. This can either be the TS or the CS,
which is specified later in this screen (see below).

7DQJHQW $]P | 7DQJHQW %HDULQJ : defines the tangent

azimuth or bearing at the entrance to the spiral

5DGLXV | 'HJUHH $UF | 'HJUHH &KRUG : defines the

radius, degree arc, or degree chord of the curve,
respectively.

Length

: is the length of the spiral curve.

Begin Station

: is the station associated with the

Start

Point

.

Turn

: defines if the curve turns toward the

Left

or

Right

from the point of view of the

Start Point

.

Spiral

: defines the direction of the spiral curve by the following

options:

TS to SC

: the spiral begins at the tangent (Tangent to Spiral)

and ends at the circular curve (Spiral to Curve).

CS to ST

: the spiral begins at the circular curve (Curve to

Spiral) and ends at the tangent (Spiral to Tangent).