Least Squares Analysis Dialog Box

Use this dialog box specify Least Squares settings. The settings default to the setting in the Survey Database Settings for Least Squares.

Input

Create Input File

Specifies that the Input file name is created, or overwritten if it already exists, in the <Working folder>\<Project>\Survey\<Network> folder.

Input File Name

Specifies name of the least squares input file. If the Create Input File property is checked, the input file name (without the *.lsi extension) can be entered in the combo box, or an existing input file can be selected from the list. If an existing input file is selected it is overwritten with new content.

Network Adjustment Type

Changes the default network adjustment type of the least analysis performed on the survey network. Specify one of the following:

• 2-Dimensional: The input file contains content to perform a 2-dimensional least squares analysis.
• 3-Dimensional: The input file contains content to perform a 3-dimensional least squares analysis.

Note: This property is enabled if the Create Input File property is checked.

Procedure

Maximum Number of Iterations

Specifies the number of iterations of least squares analysis that is performed on the network.

Coordinate Convergence

Specifies the default coordinate convergence of the least squares analysis performed on the survey network.

Confidence Level

Specifies the confidence level of the least squares analysis performed on the survey network.

Perform Blunder Detection

Specify Yes to perform Blunder Detection on the least squares analysis performed on the survey network.

Update Survey Database

Specify Yes to update the Survey Database with the adjusted coordinates from the analysis.