Spectra-precision Survey Pro v4.5 Ranger Reference Manual Manuel d'utilisateur Page 74

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Survey Pro Reference Manual
R-66
Note, if <End> is selected in the list, the <-Insert button will change
to an <-Append button to indicate that additional points will be
appended to the end of the list.
Screen Four – Add/Edit Curve
The fourth screen is used to modify a selected polyline segment that
occurs between two points. A horizontal, vertical, and/or spiral curve
can be applied to the polyline segment.
Adding a Horizontal Curve
Tap the Arc / Spiral tab.
Curve: must be set to Arc to enter a horizontal curve.
Radius | Delta | Degree Arc | Degree Chord : allows you to
specify the radius of the curve using a variety of methods.
Turn: specifies if the curve turns toward the
Right or Left as you occupy the initial point and
face the end point.
Arc: specifies if the arc of the curve is Small
(less than 180°) or Large (greater than 180°).
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