Graphics Programs Reference
In-Depth Information
manholes to be labeled with their top elevations. When the annotation is very
uniform, Point Label Styles can be employed to provide the desired labels
automatically.
Description Keys
As discussed, it takes a lot of points to capture several acres of land effectively.
To make things even more challenging, field crews often use abbreviated ver-
sions of descriptions to represent points, such as EP for edge of pavement, CLRD
for centerline of road, and so on. The result is hundreds or even thousands of
points all clumped together and labeled with cryptic abbreviated descriptions.
Description keys solve this problem by automatically sorting the points onto the
appropriate layers, rewriting the abbreviated descriptions to full-length descrip-
tions, and automatically applying point styles to control the appearance of the
points. For example, a description key takes a point coded as PP, places it on the
utility layer, displays it as a power pole, and rewrites the description to say POWER
POLE. Imagine the time saved when this is done automatically for 10,000 points.
Certification
Objective
Exercise 3.4: Configure and Apply a
Description Key
In this exercise, you'll configure a description key for the tree points in your draw-
ing. You'll apply the description key and observe the automation that it enables.
If you haven't already done so, go to the topic's web page at www.sybex.com/
go/civil3d2015essentials and download the files for Chapter 3. Unzip the files
to the correct location on your hard drive according to the instructions in the
introduction. Then, follow these steps:
1. Open the drawing named Description Keys.dwg located in the
Chapter 03 class data folder.
2. Click the Settings tab of the Toolspace, and expand Point 
Description Key Sets.
3. Right-click Essentials, and select Edit Keys.
4. Click the cell in the Style column for code TR* to open the Point
Style dialog box.
5. Select Tree as the point style, and click OK.
6. Click the green check mark to dismiss Panorama.
7. Click the Prospector tab, and then click Points.
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