g_centroid {gdalraster} | R Documentation |
Compute the centroid of a geometry
Description
g_centroid()
returns a vector of point X, point Y.
Usage
g_centroid(wkt)
Arguments
wkt |
Character. OGC WKT string for a simple feature geometry. |
Details
The GDAL documentation states "This method relates to the SFCOM
ISurface::get_Centroid()
method however the current implementation based
on GEOS can operate on other geometry types such as multipoint, linestring,
geometrycollection such as multipolygons. OGC SF SQL 1.1 defines the
operation for surfaces (polygons). SQL/MM-Part 3 defines the operation for
surfaces and multisurfaces (multipolygons)."
Value
Numeric vector of length 2 containing the centroid (X, Y).
[Package gdalraster version 1.11.1 Index]