Disable Derived Measure Fields (Location Referencing)

Summary

Disables fields that store the derived network route ID, route name, and measure fields.

This tool doesn't delete the derived measure fields; it only removes the derived measure fields' information from the Lrs_Metadata table.

Usage

• You can use the tool on an empty event feature class or an event feature class that has loaded records.

Parameters

Dialog

Label	Explanation	Data Type
LRS Event Feature Class	An existing event feature class or feature layer that is registered to an LRS.	Feature Layer

Derived Output

Label	Explanation	Data Type
Updated Input Feature Class	The updated feature layer for the event.	Feature Layer

Python

arcpy.locref.DisableDerivedMeasureFields(in_feature_class)

Name	Explanation	Data Type
in_feature_class	An existing event feature class or feature layer that is registered to an LRS.	Feature Layer

Derived Output

Name	Explanation	Data Type
out_feature_class	The updated feature layer for the event.	Feature Layer

Code sample

DisableDerivedMeasureFields example 1 (Python window)

The following Python window script demonstrates how to use the DisableDerivedMeasureFields tool in immediate mode.

# Name: DisableDerivedMeasureFields_ex1.py
# Description: Disable fields that store the derived network route id, route name and measure fields.
# Requires: ArcGIS Location Referencing

# Check out license
arcpy.checkOutExtension("LocationReferencing")

# Import Location Referencing toolbox
arcpy.ImportToolbox("C:\Program Files\ArcGIS\Pro\Resources\ArcToolBox\Toolboxes\Location Referencing Tools.tbx")

# tool variables 
in_feature_class = r"c:\DisableDerivedMeasureFields\Py\APR.gdb\LRS\EventFeatureClass"

# Set current workspace
arcpy.env.workspace = r"c:\DisableDerivedMeasureFields\Py\APR.gdb\LRS\EventFeatureClass"

# Execute the tool
arcpy.DisableDerivedMeasureFields_locref(in_feature_class)

# Check in license
arcpy.CheckInExtension('LocationReferencing')

DisableDerivedMeasureFields example 2 (stand-alone script)

The following script demonstrates how to use the DisableDerivedMeasureFields tool in a stand-alone Python script.

# Name: DisableDerivedMeasureFields_ex2.py
# Description: Disable fields that store the derived network route id, route name and measure fields.
# Requires: ArcGIS Location Referencing

# Import arcpy module
import arcpy

# Check out license
arcpy.checkOutExtension("LocationReferencing")

# Local variables:
in_feature_class = r"c:\DisableDerivedMeasureFields\Py\APR.gdb\LRS\EventFeatureClass"

# Execute the tool
arcpy.DisableDerivedMeasureFields_locref(in_feature_class)

# Check in license
arcpy.CheckInExtension('LocationReferencing')

Environments

This tool does not use any geoprocessing environments.

Licensing information

• Basic: Requires ArcGIS Location Referencing
• Standard: Requires ArcGIS Location Referencing
• Advanced: Requires ArcGIS Location Referencing