•
Chainage
•
Elevation
7.10.3 Creating a New Alignment
An alignment is a set of data that can be used to describe and determine the
exact location of a road centerline. It describes the whole road in terms of
elements of the road, including starting point, straight line, curve and spiral.
Create horizontal and vertical road alignment les with the basic eld software
and upload them onto the instrument.
Alternatively, horizontal and vertical road alignments can be created onboard
the instrument.
1. Select Road Dene from the Road menu.
2. Select:
•
Dene H Alignment
•
Select Element or Cross point
•
Edit H Alignment
•
Dene V Alignment
•
Edit V Alignment
☞
Using a horizontal alignment le is mandatory.
☞
Using a vertical alignment le is not mandatory. A height can be
dened manually instead.
Key Description
Back To return to the last active screen.
Straight To insert a straight into a horizontal alignment.
Available in Exist Element when the start point has been
dened.
Curve To insert a curve into a horizontal alignment.
Available in Exist Element when the start point has been
dened.
Spiral To insert a spiral into a horizontal alignment.
Available in Exist Element when the start point has been
dened.
OK To accept the selection.
Description of elds
For Start point
Field Option Description
Chainage: Editable eld Stake number of the starting point on road
centerline.
Characters such as “K”, “k” or “+” are
not allowed. Example: K2+224.224 must be
2224.224.
E : Editable eld Easting of the start point of the horizontal
alignment.
N : Editable eld Northing of the start point of the horizontal
alignment.
Description
Access
Start point
and
Exist Element
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