get total thickness
Examples
s = as_stratcol(c(0.5, 1, 0.3, 0.7), c("sand", "shale", "sand", "shale"), L_unit = "m")
total_thickness(s) # returns 2.5
#> [1] 2.5
get total thickness
s = as_stratcol(c(0.5, 1, 0.3, 0.7), c("sand", "shale", "sand", "shale"), L_unit = "m")
total_thickness(s) # returns 2.5
#> [1] 2.5