seam_rip | R Documentation |
Remove Edges along a Boundary
seam_rip(adj, shp, admin, seam, epsg = 3857)
adj |
zero indexed adjacency graph |
shp |
tibble where admin column is found |
admin |
quoted name of administrative unit column |
seam |
units to rip the seam between by removing adjacency connections |
epsg |
numeric EPSG code to planarize to. Default is 3857. |
adjacency list
data('rockland')
data('orange')
data('nrcsd')
o_and_r <- rbind(orange, rockland)
o_and_r <- o_and_r %>%
geo_filter(nrcsd) %>%
geo_trim(nrcsd)
adj <- adjacency(o_and_r)
seam_rip(adj, o_and_r, 'county', c('071', '087'))
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