To place a supportline centered on the active
alignment, use the following procedure
You must have an
active bridge unit and alignment to place a supportline.
This tool assumes a
pier that is centered on the alignment. The length, location (station), and
orientation (skew) of the supportline must be specified.
-
Either:
On the
Home ribbon tab, select the
tool in the
Support Line group
or
key in
bmgeom
supportline
placebymidpoint
-
In the
Place SupportLine By Midpoint tool
settings dialog:
-
Type the
Skew Angle value if not normal to the
alignment
-
Type supportline
Length.
Note: If you do
not specify a length, then the distance away from the alignment where
you data point will be taken as half the supportline length.
-
Type the
Station.
Note: If you do
not specify a station, then the point on the alignment closes to where
you data point will be taken as the station.
- (Optional)
Select a
Direction Mode and
Feature Definition.
- (Optional)
Input a
Horizontal Offset
distance to graphically position the support line left
(-ve) or right(+ve) of the alignment intersection.
-
In the view window:
-
Data point to accept the station.
Data point again to accept the length.
If you did not specify a Length and Station in the
tool settings, your data point will determine these values.
Tip: The
tool gives you a dynamic preview of the supportline with the current tool
settings and mouse pointer location (if some tool settings are not locked).
The supportline is
placed.
