fastmaRching

Fast Marching Method (FMM) first developed by Sethian (1996) , and further extended by including a second-order approximation, the first-arrival rule, additive weights, and non-homogeneous domains following Silva and Steele (2012) doi:10.1142/S0219525911003293 and Silva and Steele (2014) doi:10.1016/j.jas.2014.04.021.