save_to: Save a Layer and its Style to a GeoPackage or PostGIS...
| save_to | R Documentation |
Save a Layer and its Style to a GeoPackage or PostGIS Database
Description
This function saves a layer and its style to a GeoPackage file or a PostGIS database. The destination is determined by the 'to' argument.
Usage
save_to(clo, to, database, schema, layer_name)
## S3 method for class 'clc'
save_to(clo, to, database = NULL, schema = "public", layer_name = NULL)
Arguments
clo |
A 'clc' object. |
to |
A data destination for the output. This can be: - A string representing the path to a GeoPackage file. - A 'DBI' database connection object to a PostGIS database, created using [RPostgres::dbConnect()]. |
database |
A string, database name, only in case the destination is in PostGIS. |
schema |
A string, schema name, only in case the destination is in PostGIS. Defaults to ''public''. |
layer_name |
A character string specifying the name of the layer in the output. If 'NULL', the name of the input 'layer' is used. |
Details
The function overwrites the table if it already exists.
Value
clo A 'clc' object.
See Also
Other CLC class functions:
as_raster(),
clc(),
copy_to(),
cut_to_extent(),
get_colors.clc(),
get_levels.clc(),
get_raster(),
plot_clc(),
prepare_plot()
Examples
source_gpkg <- system.file("extdata", "clc.gpkg", package = "clc")
clo <- clc(source = source_gpkg, layer_name = "clc")
# ex1
out_gpkg <- tempfile(fileext = ".gpkg")
sink(tempfile())
clo <- clo |>
save_to(out_gpkg)
sink()
## Not run:
# ex2
conn <- RPostgres::dbConnect(
RPostgres::Postgres(),
dbname = 'exampledb',
host = 'localhost',
port = '5432',
user = 'user',
password = 'password'
)
clo <- clo |>
save_to(conn, 'exampledb')
## End(Not run)
