The user interface at a glance

NDunes' user interface is centered around a main window. There's only one display window active at a time, this is the main drawing area. By default, it shows up a brown flat soil with a sun & sky lighting. The most important items that can be found around it are (going counterclockwise from the upper right corner):

Customizable parameters (shortcuts, keyboard controls, various software options) can be found in the Tools/Options panel.