Autodesk CIVIL3D - CIVILDESIGNCOMP 2007 SLM CD Tutorials Manual page 165

2 Right-click the Standard network style. Click Edit.
3 In the Network Style dialog box, click the Components tab.
4 Under Error Ellipse, set the Error Ellipse Scale Factor to 10000.00.
5 Click OK.
Run the least squares analysis
1 In Toolspace, on the Survey tab, expand the Survey Databases
1 Networks collection. Right-click the network Survey Network 1. Click
Least Squares Analysis
2 In the Least Squares Analysis dialog box, under Input, specify the
following parameters:
Create Input File: Selected
Input File Name: Survey Network 1
Network Adjustment Type: 3-Dimensional
Use the default values for the other settings.
3 Click OK. If prompted, click Yes to overwrite the existing Network File.
The analysis runs, the network and drawing updates, and the following
files are displayed in the ASCII text editor:
<survey network>.lsi: Displays the initial station coordinates and
elevations. The angle and distance information for each station, as
well as the standard errors for angles and distances are also displayed.
<survey network>.lso: Displays the results of the calculations as well
as the adjusted coordinate information.
4 When you have finished reviewing the least squares calculation data,
close the text files.
5 To view an error ellipse, on the Survey tab, select the Survey Network
1 Control Points collection. In the list view, right-click 2. Click Zoom
To.
The drawing zooms to the point and ellipse.
To continue this tutorial, go to
154).
Exercise 3: Performing Least Squares Analysis | 153
Perform Analysis.
Exercise 4: Translating a Survey Database
Survey
(page