Description Usage Arguments Examples
Query LAGOS GIS
1 2 3 4 5 6 7 | query_gis(
layer,
id_name = NULL,
ids = NULL,
crs = albers_conic(),
gis_path = lagosnegis_path()
)
|
layer |
character layer name |
id_name |
selection column |
ids |
feature ids to select |
crs |
character projection info defaults to lagosnegis_path() |
gis_path |
character path to LAGOSNE GIS gpkg |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 | ## Not run:
library(sf)
st_layers(lagosnegis_path())
library(gdalUtils)
ogrinfo(lagosnegis_path(), "HU12", so = TRUE)
states <- query_gis("STATE")
library(mapview)
state <- query_gis("STATE", "State_Name", "Michigan")
res_iws <- query_gis("IWS", "lagoslakeid", c(34352))
res_lake <- query_gis("LAGOS_NE_All_Lakes_4ha", "lagoslakeid", 34352)
res_pnt <- query_gis("LAGOS_NE_All_Lakes_4ha_POINTS", "lagoslakeid", 34352)
mapview(state) + mapview(res_iws) + mapview(res_lake) + mapview(res_pnt)
res <- query_gis("IWS", "lagoslakeid", c(7010))
res <- query_gis("HU12", "ZoneID", c("HU12_1"))
res <- query_gis("HU8", "ZoneID", c("HU8_100"))
res <- query_gis("HU4", "ZoneID", c("HU4_5"))
# query multiple feature ids
res <- query_gis("IWS", "lagoslakeid", c(7010, 1))
## End(Not run)
|
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.