Extract Point Activity

Description:

Extracts a point at a specified index along a length-indexed line.

Inheritance Hierarchy:

System.Object
  System.Activities.Activity
    System.Activities.CodeActivity
      Geocortex.Workflow.Activities.ExtractPoint

Function:

This activity allows you to perform linear referencing to extract point features.

In a Workflow:

You would use this activity to obtain a point on a line feature based on an index value. For example: extract the coordinate of a pipeline at Kilometer marker 2.75.

Properties:

Name Description

In Arguments

Line

The length indexed line to extract the point from.

Index

The index of the desired point along the line (the distance along the line). If the index is out of range, the first or last point on the line is returned.

Misc

Display Name

ExtractPoint

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

Result

The calculated point along the line.

Version Information:

Supported from: Geocortex Essentials 3.8.

© 2019 Latitude Geographics Group Ltd. All Rights Reserved.

Documentation Version 4.11