Maps

(more maps here...)

Denton County Election Results

2016 Presidential election results from Denton County, precinct level.

United States Post Offices Over Time

Animation showing post office establishment over time in the contiguous U.S.

U.S. Post Office Establishments

Created using Python (gdal/ogr, Shapely, scipy, and Cairo).

Texas Population By County Over Time

Animation visualizing population growth and decline in Texas counties. Each dot represents 5,000 people. Counties shaded green are growing. Counties shaded red are declining.

Texas Population By County

Created using Python (gdal/ogr, Shapely, and Cairo).

The Big Empty: Population Over Time

Video illustrating population changes in the Texas Big Empty over time using dot densities.

The Big Empty: Population Over Time

Created using Python (gdal/ogr, Shapely, scipy, and Cairo).

Texas Wheat Yields by USDA Region Over Time

Video made using USDA wheat crop data for Texas through 2007. Regions are colored relative to local maxima, meaning that the more vibrant the color, the nearer the maximum for the given region.

Texas Wheat Yields Over Time

Created using Python (gdal/ogr, Shapely, scipy, and Cairo).

Interpolated Settlement Dates for Contiguous U.S., Post Offices as Proxy

Spatial interpolation of U.S. settlement dates using post office data.

U.S. Settlement Dates

Created using Python (ogr, matplotlib)

VFR, A Vector Feature Renderer with Embedded Lua

A program written in C (using ogr and cairo) for rendering maps from the command-line. It embeds the Lua interpreter for processing and styling of map features and labels. A work in progress.

VFR