GrooveRadar

GrooveRadar is a pentagon whose points collapse/expand based on stepchart data.

Labels
Each label has  and   commands in the form of   (where   is X or Y).

Label commands have changed between versions:

StepMania 5
The GrooveRadar is not automatically available in themes. The default theme lacks an implementation of it, but soda*sweets2 (a port of pop*candy2) has one: It should be noted that this implementation adds the radar base on its own; you don't need to actually do this, since the GrooveRadar itself loads the radar base graphic.