Coverage path planner Grid based sweep This is a 2D grid based sweep coverage path planner simulation: Spiral Spanning Tree This is a 2D grid based spiral spanning tree coverage path planner simulation: Spiral-STC: An On-Line Coverage Algorithm of Grid Environments by a Mobile Robot Wavefront path This is a 2D grid based wavefront coverage path planner simulation: Planning paths of complete coverage of an unstructured environment by a mobile robot