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Field
Ref offset
Ref height
diff
Surface
grade ratio
Square off-
set
Square
slope dist
CL height
diff
CL height
CL radius
CL type
CL offset
CL tangent
Width
Nearest hz
tangent
point
656
Description
Horizontal offset from the line of the surface grade used as
reference. Depends on Ref line and is identical to Right off-
set or Left offset.
Height difference from the line of the surface grade used as
reference. Depends on Ref line and is identical to Right
height diff or Left height diff.
Slope ratio of the surface grade.
Offset from the surface grade, perpendicular to the surface
grade.
Slope distance from the slope reference line to the current
position perpendicular to the slope. The slope distance is
always at the same grade as the defined or current slope. If
the current position is above or below the slope, the slope
distance is projected square to the slope. The slope distance
is calculated to the defined reference point.
The Square slope dist is measured from the current posi-
tion to the reference line.
Height difference from the centreline.
Height of the centreline at the current chainage.
Radius of the centreline at the current chainage.
Element type of the centreline.
Perpendicular horizontal offset from the centreline. This field
is independent of the chosen settings for Help me navigate
and Navigational arrow types in Road Settings, Graphics
page.
Tangent direction of the centreline at the current chainage.
Horizontal width of the surface grade.
The chainage difference between the measured point and
the nearest tangent point of the design is displayed. The
nearest tangent point is the start/end point of a road seg-
ment.
a b
Road_099
a
Vertical alignment
b
Horizontal alignment
Only tangent points are detected. A tangent point is the
start/end point of a road segment.
Roads - General
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