Spectra-precision Survey Pro v4.5 Ranger Reference Manual Manuale Utente Pagina 384

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Survey Pro Reference Manual
R-376
Curve Solution
Curve Curve Solution.
The Curve Solution screen provides detailed information on a curve
when two parts of the curve are known.
The first known part of the curve is defined by
one of the following:
Radius : is the distance from the radius
point to the curve.
Delta : is the deflection angle.
Degree Arc : is the deflection angle that
results in a 100-ft. arc length.
Degree Chord : is the deflection angle that
results in a 100-ft. chord length.
The second known part of the curve is defined by one of the following:
Delta : is the deflection angle.
Length : is the arc length.
Chord : is the chord length.
Tangent : is the distance from the PC or PT to the PI.
Mid Ordinate : is the distance between the curve and the chord at
the center of the curve’s length.
External : The minimum distance between the PI and the curve.
Solve : Computes the details for the horizontal curve.
Layout… : Opens the Horizontal Curve Layout screen (Page R-381)
where points can be created so the curve can be staked in the field.
Traverse… : Opens the Traverse on Curve screen (Page R-388).
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