read_ext: Read GDAL vector data

In mdsumner/basf: Plot Simple Features with 'base' Sensibilities

Read GDAL vector data

Description

Read vector shape data with optional extent filter.

Usage

read_ext(x, ext = NULL, ...)

Arguments

x	used as 'sf::st_read()“ dsn argument
ext	optional extent (as per raster package)
...	arguments passed to 'sf::st_read()'

Details

The extent coordinates must be in the same projection as the source, or the result could be wrong.

Uses the 'sf' package to pass the extent down to GDAL's ExecuteSQL as WKT, use anything with an extent that the 'raster' package understands.

Value

sf object, see 'sf::st_read()'

Examples

## Not run: 
\donttest{
# read_ext("myshapefile", raster::extent(100, 120, -40, -30))
}

## End(Not run)

mdsumner/basf documentation built on Sept. 11, 2022, 1:08 p.m.