Remember you will need to install the Arduino SoftPWM library for this code to work! SoftPWM is a wiring framework (and Arduino) Library to produce PWM signals on any arbitrary Arduino pin (including analog pins).
Getting Started with Controlling 12v LEDs with N-Channel Mosfets & Arduino
Various Raster Maps Used in the Project
Original Black & White Mercator Map Silhouette
Detailed Gall Map Showing Realistic Colors
Gall Map with Simplified Color Separation
Various Raster City Light Maps Used in the Project