Draw Circular Radius Data Function for Spotfire® 1.1.0

Overview

Data function to draw circles with fixed radius on a Spotfire® map. The centers of the circles are specified by columns of geographic coordinates. The radius of the circles is given as a single value. The circle must be added as a Feature Layer using the coordinate reference system EPSG:4326 - WGS84. Requires package 'geosphere'. Written in R code.

Installing the data function

Follow the online guide available here to register a data function in Spotfire.

Configuring the data function

Each data function may require inputs from the Spotfire analysis and will return outputs to the Spotfire analysis. For each data function, these need to be configured once the data function is registered. To learn about how to configure data functions in Spotfire please view this video:

For more information on Spotfire visit the Spotfire training page.

Data function library

There exists a large number of data functions covering various features. Feel free to review what is available on the Data Function Library. For geospatial functionalities, we recommend reviewing this article.