Hey,

#503 https://gitlab.com/whitebox-aero/whitebox/-/work_items/503
#438 https://gitlab.com/whitebox-aero/whitebox/-/work_items/438
#511 https://gitlab.com/whitebox-aero/whitebox/-/work_items/511
#479 https://gitlab.com/whitebox-aero/whitebox/-/work_items/479
Reviewed & tested.

Thanks,
Avinash S.