This is a function required in overline(). It identifies whether sets of lines overlap (beyond shared points) or not.

islines(g1, g2)

Arguments

g1

A spatial object

g2

A spatial object

See also

Examples

if (FALSE) { rnet <- overline(routes_fast[c(2, 3, 22), ], attrib = "length") plot(rnet) lines(routes_fast[22, ], col = "red") # line without overlaps islines(routes_fast[2, ], routes_fast[3, ]) islines(routes_fast[2, ], routes_fast[22, ]) # sf implementation islines(routes_fast_sf[2, ], routes_fast_sf[3, ]) islines(routes_fast_sf[2, ], routes_fast_sf[22, ]) }