Convert Lines to Points Data Function for Spotfire

Please download the Convert Lines to Points Data Function for Spotfire® from the exchange. 

Overview

This geospatial feature converts line geometries to a set of points. It extracts points from single or multiple-line geometries. All vertices are extracted, as well as points along a specified interval (granularity).  The download contains a data function you can import into your own .dxp and a template you can bring your own data into. 

Details about the data function

Programing Language: TERR
Required Packages: wkb, SF, geosphere, dplyr
Inputs:

• identifier - Select a column with identifier values in your data table.

• geometry - Select a column with line geometries to extract points from

• interval - Specify the maximum distance (in meters) between each point

Outputs:

• output - A new data table containing latitude and longitude coordinates extracted from given line geometries. A "Measure" column is included with the distance along the line, in meters.

Reference Info

• For an overall overview of the GeoAnalytics or Location Analytics capabilities of Spotfire please also review this page.
• Useful Geospatial Data Functions for Spotfire