89
Line Adjustment
The line adjustment program allows adjusting single
level lines. Any two points of the line can be defined
as control points. The fixed heights of the control
points can be entered. The program calculates the
misclosure and adjusts and records all points of the
line.
to start the line adjustment program.
DNA-Dde 45
<DEFLT.>
to reset the default parameters for
Meth.
,
a, b
and
Adj.
Job:
to select a job containing level lines.
Line:
to select a level line in the current job. Lines recor-
ded with the line leveling program can be adjusted.
The symbol "
7
" is displayed if no line to adjust is
available.
Meth.:
Two methods are available to adjust the level line.
The selected method is also used to calculate the
closing tolerance:
•
by Distance:
Closing tolerance =
with L = total line
length or
•
by Station:
Closing tolerance =
, with n = total
number of stations
a and b:
General used parameters to calculate the closure
tolerance according to the formulas above.
a
b
L
⋅
+
a
n
⋅