Line/Arc Methods
Description
Calculate line offset point
Calculates the coordinates of a new point
after input of station and offset values in
relation to a line.
Elements that must be known are
•
coordinates of two points.
•
offsets.
OR
•
coordinates of one point.
•
bearing and distance from one point.
•
offsets.
The coordinates of the known points
•
can be taken from the job.
•
can be measured during the COGO calcu-
lation.
•
can be entered.
Calculate arc base point
Calculates the coordinates of the base point,
station and offset of a point in relation to an
arc.
Elements that must be known are
•
coordinates of three points
•
coordinates of an offset point
OR
•
coordinates of two points
•
radius to the two points
•
coordinates of an offset point
The coordinates of the known points
•
can be taken from the job.
•
can be measured during the COGO calcu-
lation.
•
can be entered.
Calculate line base point
Calculates the base point, station and offset
of a point in relation to a line.
Elements that must be known are
•
coordinates of two points and an offset
point.
OR
•
coordinates of one point and an offset
point
•
bearing and distance from one point
The coordinates of the known points
•
can be taken from the job.
•
can be measured during the COGO calcu-
lation.
•
can be entered.
Segment an arc
This method is similar to
Segment a line
.
See the following row.
COGO
495
