Line

The Line tool fits a line to the profile and measures the deviations from the best-fitted line. The sensor compares the measurement value with the values in Min and Max to yield a decision. For more information on decisions, see Decisions.

For information on adding, managing, and removing tools and measurements, as well as detailed descriptions of settings common to most tools, see Tools Panel.

Measurements, Features, and Settings

Measurements
Measurement	Illustration
Standard Deviation Finds the best-fitted line and measures the standard deviation of the data points from the line.
Min Error Finds the best-fitted line and measures the minimum error from the line (the maximum distance below the line).
Max Error Finds the best-fitted line and measures the maximum error from the line (the maximum distance above the line).
Percentile Finds the best-fitted line and measures the range (in Z) that covers a percentage of points around the line.
Offset Finds the best-fitted line and returns the intersection point between that line and the Z axis.
Angle Finds the best-fitted line and returns the angle relative to the X axis.
Min Error X Min Error Z Finds the best-fitted line and returns the X or Z position of the minimum error from the line (the maximum distance below the line).
Max Error X Max Error Z Finds the best-fitted line and returns the X or Z position of the maximum error from the line (the maximum distance above the line).

Features
Type	Description
Line	The fitted line.
Error Min Point	The point of minimum error.
Error Max Point	The point of maximum error.

For more information on geometric features, see Geometric Features.

Parameters
Parameter	Description
Source	The sensor, or combination of sensors, that provides data for the tool's measurements. For more information, see Source.
Stream	The data that the tool will apply measurements to. This setting is only displayed when data from another tool is available as input for this tool.
Region	The region to which the tool's measurements will apply. For more information, see Regions.
Fitting Regions	Determines which data Gocator uses to fit the line over the profile. When Fitting Regions is enabled, Gocator uses the data indicated by one of the following options: All Data: All of the data in the profile is used to fit the line. 1 Region: Data from a fitting region you define in the data viewer is used to fit the line. 2 Regions: Data from two fitting regions you define is used to fit the line. When Fitting Regions is disabled, to fit the line, Gocator uses the measurement region if Region is enabled, or the entire profile if Region is disabled. When Fitting Regions is enabled and 1 Region or 2 Regions is selected, you can set the region (or regions) graphically in the data viewer, or you can expand the feature using the expand button () and enter the values in the fields. For more information on regions, see Regions.
Percent (Percentile measurement only)	The specified percentage of points around the best-fitted line.
Filters	The filters that are applied to measurement values before they are output. For more information, see Filters.
Decision	The Max and Min settings define the range that determines whether the measurement tool sends a pass or fail decision to the output. For more information, see Decisions.

Anchoring
Anchor	Description
X or Z	Lets you choose the X or Z measurement of another tool to use as a positional anchor for this tool.

A measurement must be enabled in the other tool for it to be available as an anchor. The anchor measurement should also be properly configured before using it as an anchor.

For more information on anchoring, see Measurement Anchoring.