This object holds the settings for creating a heatmap as well as an iterator for the input data. Most of the command line processing is

Creates a movie showing the data appearing on the heatmap.

An abstract sparse matrix, with data stored as {coord : value}.

Delegates a reader based on each filename extension.

Abstract base class for file readers.

GPX track file reader

Uses a linear falloff, essentially turning a point into a cone.

Reads files containing one space-separated coordinate pair per line, with optional point weight as third term.

ESRI Shapefile reader