Digital Elevation Models (DEMs) are data files that provide height information about different locations on the planet or moon. In this project I used a DEM for Mars provided by the United States ...

A seamlessly-repeating pattern fill can be an attractive background for your company website as well as fliers, business cards and other documents. Creating such a pattern can however be quite tricky ...

Gimp is normally used to create or manipulate images files, but can also work with PDFs if you understand how it works and what it's limits are. If you’ve never used Gimp—a free image editor available ...

Although I already made a geologic map of Mars and open-sourced the code, this moon map was much more difficult because the geologic data was split into six different datasets. Each dataset had unique ...