collider/OccupancyBBXSizeQuery Service

# center of the query box in global frame
geometry_msgs/Point center
# Size of the axis-aligned bounding box around the center (complete edge length!)
geometry_msgs/Point size
---
# centers of all occupied voxels
geometry_msgs/Point[] occupied

# centers of all free voxels
geometry_msgs/Point[] free

# resolution of the octree = side length of all returned voxels
float64 resolution