Field
Option
Description
Offset box
Editable field
The offset to the right of base point is posi-
tive.
Base east-
ing
,
Base north-
ing
and
Base height
Editable field
The coordinates of the base point, either
from the job or from a surveyed point.
Base direc-
tion
Editable field
The orientation of the local coordinate sys-
tem (azimuth).
The following steps describe the stakeout of two reference pegs from a centre-
line chainage and offset.
a
b
c
d e-
e+
f
f
Road_093
a
Centreline
b
Defined chainage
c
Stake offset
d
Base point
e
Base distance, positive (e+),
negative (e-)
f
Peg to stake out
1.
Define the base point for the box/base stakeout using
Offset
and
Height offset
from the page.
2.
Press
Fn
Tools
to access the toolbox.
3.
Select
Box / base definition
.
Press
OK
to continue to the next panel.
4.
The position defined by
Stake chainage
and
Offset
is used as
Base chainage
and
Base offset
when accessing
Box / base defi-
nition
for the first time within a stakeout session.
5.
Similar to the stakeout of individual points in the toolbox. The Box/
Base functionality calculates the new point to stake out and changes
the values of
Stake chainage
and
Offset
.
6.
To avoid these values being used as the next base point when
accessing the box/base menu, press
Base
in the Box/Base Definition
panel. The values of the base point freeze when pressing the key.
Base
is now replaced by
Clear
. If a different base had been defined
before, use
Define
to overwrite the values before pressing
Base
.
7.
Define the
Distance box
and
Offset box
. Both follow the same
rules as used for the definition of offsets and chainages in general.
Offset to the right = positive; distance in direction of increasing
chainage = positive.
8.
Press
OK
to continue to the next panel.
9.
The values of
Stake chainage
and
Offset
are adjusted accordingly.
10.
The fields
Difference in chainage
,
Difference in offset
and
Dif-
ference in height
guide you to the new position to stake out.
Press
Fn
Tools
to access toolbox.
Example
Roads - Road
777
