Key Description
Store To save the displayed values without executing a distance
measurment.
OK To accept the selection.
Description of elds
Field Option Description
E : Editable eld Easting of the point of intersection.
N : Editable eld Northing of the point of intersection.
Radius: Editable eld Curvature radius of the circular curve corres-
ponding to the point of intersection. The
curvature radius at the end must be input as
0.
Positive when right along the forward direc-
tion of the alignment.
Negative when turning left along the forward
direction of the alignment.
A1: Editable eld The parameter A dening the spiral at the
beginning.
Positive when the spiral is turning right along
the forward direction of the alignment.
Negative when the spiral is turning left along
the forward direction of the alignment.
A2: Editable eld The parameter A dening the spiral at the
end.
Positive when the spiral is turning right along
the forward direction of the alignment.
Negative when the spiral is turning left along
the forward direction of the alignment.
The vertical alignment consists of a set of intersecting points, including chain-
age, height, and length of an element.
Key Description
Back To return to the last active screen.
OK To save the data entry and proceed to enter the value of
the next element.
Description of elds
Field Option Description
Chainage: Editable eld Start chainage of the vertical alignment.
Elevation: Editable eld The end elevation of the straight.
Length: Editable eld Using the length of the straight.
☞
The length at the start and end
of the vertical alignment must be
zero.
Dene V Alignment
72 Apps