Difference Task Activity


Uses the ArcGIS Geometry Service to construct the set-theoretic difference between a collection of graphics and a specified geometry.

Inheritance Hierarchy:



This activity allows you compute the difference between geometries.

In a Workflow:

You would use this activity to compute the difference between geometries.


Name Description

In Arguments


The network credentials that are sent to the host and used to authenticate the request.

Custom Parameters

Additional parameters to include in the request.

Disable Client Caching

If true, adds a timestamp parameter (_ts) to the request to prevent it from being loaded from the application's cache.

Geometry Service Url

The URL of the ArcGIS Server Geometry service. For example: http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Geometry/GeometryServer.


A collection of points, multipoints, polylines or polygons.


A single geometry of any type, of dimension equal to or greater than the elements of the FeatureSet.


The token for accessing a secured geometry service.

Proxy Url

The URL to proxy the request through.


Display Name


You can change the name of an activity to one that describes what it does. A descriptive name can make a workflow easier to interpret and maintain.

Out Arguments


The resulting graphics with the computed differences.

Version Information:

Supported from: Geocortex Essentials 3.7.

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Documentation Version 4.14