Generates the main path length to a basin's terminal path.
get_pathlength(x)data.frame containing pathlength for each ID
source(system.file("extdata", "walker_data.R", package = "nhdplusTools"))
fl <- dplyr::select(prepare_nhdplus(walker_flowline, 0, 0),
ID = COMID, toID = toCOMID, length = LENGTHKM)
#> Warning: removing geometry
#> Warning: Removed 0 flowlines that don't apply.
#> Includes: Coastlines, non-dendritic paths,
#> and networks with drainage area less than 0 sqkm, and drainage basins smaller than 0
get_pathlength(fl)
#> ID pathlength
#> 1 5329303 0.000
#> 2 5329293 1.195
#> 3 5329305 1.777
#> 4 5329317 5.797
#> 5 5329315 10.240
#> 6 5329339 12.924
#> 7 5329343 17.710
#> 8 5329357 18.742
#> 9 5329365 22.345
#> 10 5329373 25.484
#> 11 5329385 28.463
#> 12 5329821 30.379
#> 13 5329395 31.511
#> 14 5329397 33.519
#> 15 5329389 34.700
#> 16 5329435 35.130
#> 17 5329313 12.924
#> 18 5329311 14.870
#> 19 5329817 16.043
#> 20 5329323 20.855
#> 21 5329325 21.822
#> 22 5329327 21.496
#> 23 5329347 22.473
#> 24 5329291 1.777
#> 25 5329363 25.484
#> 26 5329819 26.764
#> 27 5329359 29.649
#> 28 5329333 10.240
#> 29 5329371 18.742
#> 30 5329375 22.345
#> 31 5329377 24.666
#> 32 5329379 24.666
#> 33 5329399 24.748
#> 34 5329405 24.748
#> 35 5329427 30.379
#> 36 5329413 31.511
#> 37 5329419 33.519
#> 38 5329391 35.130
#> 39 5329407 35.306
#> 40 5329387 34.700
#> 41 5329415 27.521
#> 42 5329355 29.649
#> 43 5329337 17.710
#> 44 5329335 21.496
#> 45 5329345 22.878
#> 46 5329341 22.878
#> 47 5329321 22.473
#> 48 5329841 23.494
#> 49 5329815 27.094
#> 50 5329319 20.855
#> 51 5329309 16.043
#> 52 5329307 14.870
#> 53 5329299 5.797
#> 54 5329297 7.206
#> 55 5329295 1.195
#> 56 5329849 35.779
#> 57 5329393 35.306
#> 58 5329871 38.554
#> 59 5329383 36.172
#> 60 5329847 27.173
#> 61 5329845 27.173
#> 62 5329843 26.943