st_sfc

sfc_POINT

sfc_LINESTRING

sfc_POLYGON

sfc_MULTIPOINT

sfc_MULTILINESTRING

sfc_MULTIPOLYGON

sfc_GEOMETRYCOLLECTION

Create simple feature geometry list column, set class, and add coordinate reference system and precision

Support for simple features, a standardized way to
encode spatial vector data. Binds to 'GDAL' for reading and writing
data, to 'GEOS' for geometrical operations, and to 'PROJ' for
projection conversions and datum transformations. Uses by default the 's2'
package for spherical geometry operations on ellipsoidal (long/lat) coordinates.

Edzer Pebesma

Simple Features for R

Roger Bivand

Etienne Racine

Michael Sumner

Ian Cook

Tim Keitt

Robin Lovelace

Hadley Wickham

Jeroen Ooms

Kirill Müller

Thomas Lin Pedersen

Dan Baston

Dewey Dunnington

sfc function

<dl><dt>...</dt>
<dd>zero or more simple feature geometries (objects of class <code>sfg</code>), or a single list of such objects; <code>NULL</code> values will get replaced by empty geometries.</dd>
<dt>crs</dt>
<dd>coordinate reference system: integer with the EPSG code, or character with proj4string</dd>
<dt>precision</dt>
<dd>numeric; see st_as_binary</dd>
<dt>check_ring_dir</dt>
<dd>see st_read</dd>
<dt>dim</dt>
<dd>character; if this function is called without valid geometries, this argument may carry the right dimension to set empty geometries</dd></dl>

Arguments

Create simple feature geometry list column — sfc

<dl>

<dt>...</dt>
<dd>zero or more simple feature geometries (objects of class <code>sfg</code>), or a single list of such objects; <code>NULL</code> values will get replaced by empty geometries.</dd>


<dt>crs</dt>
<dd>coordinate reference system: integer with the EPSG code, or character with proj4string</dd>


<dt>precision</dt>
<dd>numeric; see st_as_binary</dd>


<dt>check_ring_dir</dt>
<dd>see st_read</dd>


<dt>dim</dt>
<dd>character; if this function is called without valid geometries, this argument may carry the right dimension to set empty geometries</dd>

</dl>

Create simple feature geometry list column

sfc: Create simple feature geometry list column

Description

Usage

Value

Arguments

Details

Examples