Description Usage Arguments Examples
Raw (non-vectorized) query of LAGOS GIS
1 | query_gis_(gis_path = lagosnegis_path(), query, crs = albers_conic())
|
gis_path |
file path |
query |
SQL string |
crs |
coordinate reference system string or epsg code |
1 2 3 4 5 6 7 8 9 10 11 12 13 | ## Not run:
res <- query_gis_(query = "SELECT * FROM IWS WHERE lagoslakeid IN ('7010');")
# query nested hucs
hu4 <- query_gis("HU4", "ZoneID", c("HU4_5"))
hu8s <- query_gis_(query = "SELECT * FROM HU8 WHERE HUC8 LIKE '0415%';")
# query multiple nested hucs
hu4s <- query_gis("HU4", "ZoneID", c("HU4_5", "HU4_6"))
hu8s <- query_gis_(query = paste0("SELECT * FROM HU8 WHERE ",
paste0("HUC8 LIKE '", hu4s$HUC4, "%'", collapse = " OR ")))
## End(Not run)
|
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