Set Cluster Tolerance (Data Management)


Sets the cluster tolerance of a topology.


  • You cannot alter the cluster tolerance for a topology if the topology has been registered as versioned.

  • Changing the cluster tolerance will require the entire topology be validated.

  • For more information about cluster tolerance, see Topology in ArcGIS


SetClusterTolerance(in_topology, cluster_tolerance)
ParameterExplanationData Type

The topology for which you want to change the cluster tolerance.

Topology Layer

The value to be set as the cluster tolerance property of the selected topology. If you enter a value of zero, the default or minimum cluster tolerance will be applied to the topology.


Derived Output

NameExplanationData Type

The updated topology.

Topology Layer

Code sample

SetClusterTolerance example (stand-alone script)

The following stand-alone script demonstrates how to use the SetClusterTolerance function.

# Name:
# Description: Updates the cluster tolerance property on a topology

# Import system modules
import arcpy

arcpy.SetClusterTolerance_management("D:/Calgary/Trans.mdb/Streets/Street_Topo", 0.00015)


This tool does not use any geoprocessing environments.

Licensing information

  • Basic: No
  • Standard: Yes
  • Advanced: Yes

Related topics