Interactive maps

Interactive maps

Spatial stories shaped through data, terrain, and careful craft.

Explore the canvas

Drag or use the arrow keys to move. Scroll, pinch, or use + / − to zoom.

Press 0 or use Recenter to return home. Open a postcard to flip it and view the project.

Average Color of California

Sep 2026 · Interactive maps

Every California county subdivision filled with the mean color of its land in NASA satellite imagery, a frame per day for a year. Snow comes and goes on the Sierra; green hills turn tan by summer.

Client: Personal. Tools: Python, NumPy, GeoPandas.

Average Color of California, interactive maps by Gordon Tu