Lengths Task Activity

Description:

Uses the ArcGIS Geometry Service to calculate the lengths of polylines.

Inheritance Hierarchy:

Function:

This activity computes the lengths of a collection of polylines using the specified units.

In a Workflow:

After performing a query to obtain a set of linear features, this activity can be used to compute the lengths of the features.

Properties:

Name	Description
In Arguments
Calculation Type	The type of calculation to perform (Planar, Geodesic, PreserveShape).
Credentials	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.
Geodesic	If polylines are in a geographic coordinate system, then geodesic needs to be set to `true` in order to calculate the ellipsoidal shortest distance between each pair of the vertices in the polylines. If `LengthUnit` is not specified, the output is returned in meters.
Graphics	The graphics used to calculate lengths.
Length Unit	The length unit in which the perimeters of polygons must be calculated. If the length unit is not specified, the units are derived from the spatial reference of the first geometry.
Geometry Service Url	The URL of the ArcGIS Server Geometry service. For example: `http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Geometry/GeometryServer`.
Token	The token for accessing a secure ArcGIS task.
Proxy Url	The URL to proxy the request through.
Misc
Display Name	LengthsTask 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
Results	The calculated lengths.

Version Information:

Supported from: Geocortex Essentials 3.8.