2.0

Table Of Contents
Inserting Daylight Points in the Drawing
79
4 Select the polyline.
The command then creates breaklines between the polyline vertices and
daylight points, displaying the X,Y,Z coordinates of the end points of each
breakline as well as the color of the line.
NOTE
The breaklines created with this command are not placed into the drawing.
You can import the breaklines into the drawing by using the Import
Breaklines command in the Terrain Model Explorer.
The polyline footprint and the daylight line can also be defined as breaklines
using the Terrain Model Explorer, but this isnt necessary if the vertex spacing is
close together.
The following illustration shows how breaklines are created between the
polyline vertices and their daylight points:
Create breaklines between vertices and daylight points
Drawing a Daylight Polyline
You can draw the resultant daylight polyline that connects the daylight points.
This is a 3D polyline that represents the match line of the slopes to the surface.
It can be used as a breakline and/or a border in surface definition. It can also be
used to represent a work limit line.
To draw a daylight polyline
1 Use the Create Multiple or Create Single command to calculate daylighting for a
polyline using multiple or single slopes.
For more information, see Calculating Daylight Points Based on a Single Slope
and Calculating Daylight Points Based on Multiple Slopes in this chapter.
2 From the Grading menu, choose Daylighting ä Daylight Polyline.
The command draws the polyline connecting the daylight points. If there are
gaps in the polyline, these are regions where the slopes could not match into
the surface.