Description Usage Arguments Details Value
Get zones geometry from the database
1 2 | extract_zones(db, tbl_name = "ALLZONES", wkt_col = "WKTSURFACE",
proj4string = "+proj=lcc +lat_1=43 +lat_2=45.5 +lat_0=41.75 +lon_0=-120.5 +x_0=399999.9999999999 +y_0=0 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=ft +no_defs")
|
db |
class |
tbl_name |
chr. The name of the table in |
wkt_col |
chr. The name of the column in |
proj4string |
chr. The proj4 string for the
|
This function extracts the geography for the zones from the scenario
database. It automatically reprojects the data to WGS84 using st_transform
.
a SpatialPolygonsDataFrame
in WGS84 lat long coordinates.
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