Graphics Programs Reference
In-Depth Information
Figure 3-15:
Sight distance analysis
indicators for sight pins
Sight Pin: Sight Regions
This is the
region that is analyzed for obstructions.
It is shown in several colors with orange
representing obstructions.
Sight Pin: Sight Lines
If no
obstruction is present, a sight line is a
straight line from the sight pin to the end
of the sight distance. If there is an
obstruction, additional lines will appear
indicating the first and last lines along
which the obstruction is encountered.
Sight Pin: Distance Line
This is a
black line with an arrowhead at the end
that follows the path of the lane. The tip
of the arrow indicates the required sight
distance from the sight pin.
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