Area of Polygons Data Function for Spotfire® 1.1.0

Overview

Calculates the areas of polygons. The polygons must be specified in longitude/latitude coordinates. May take significant time to complete on large numbers of polygons. Requires packages wkb, sp, geosphere. Written in R code.

More details about this data function can be found here.

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.