The daylight feature allows you to digitize a line where the existing layer meets the
proposed layer. You can create daylight lines only in the proposed layer.
When you change a line to a daylight line, Viewpoint
Estimating samples elevations in the
existing layer and applies those elevations along the daylight line in the proposed layer.
Use the following procedure to apply daylight lines to a drawing.
-
Open a job in the Manage Earthwork Estimates screen.
Note: To open a job in the Manage Earthwork Estimates screen, click in the All Tasks pane. Click Open Existing Job. Then select the job you want to open, and click
OK.
-
Select the Takeoff tab, if
it is not already active.
-
In the Active
Layer field on the toolbar, click
to select the
proposed layer. Note that you can only daylight proposed lines.
-
Click Point or
Trace on the speedbar.
Tip: You can use the Align to Image

tool to improve speed and accuracy during digitizing.
When you digitize a drawing with the Align to Image tool activated,
Viewpoint
Estimating aligns the takeoff
line to the closest black pixel. You can set the default sensitivity of the tool
in Preferences. You can press and hold Shift to turn Align to Image on and off
as you digitize a drawing.
Note: When digitizing against a colored background,
turn OFF the Align to Image tool.
-
Digitize a line where the
existing layer meets the proposed.
Note: You can also select a line you have already
digitized and change it to a daylight line. Additionally, you can also daylight a
site perimeter by selecting Daylight in the Area’s
Properties popup window.
-
Click Finished
on the speedbar.
-
Click Prop
.
-
Select the Daylight
checkbox. The Elevation column displays daylight for all the points along that
line.
-
Click OK. Note
that the line is labeled daylight.