Distance from points
The function calculates the distance from a set of points to all cells of a RasterLayer.
The distance unit is in meters if the RasterLayer is not projected (
+proj=longlat) and in map units (typically meters) when it is projected.
distanceFromPoints(object, xy, filename='', ...)
- Raster object
- matrix of x and y coordinates, or a SpatialPoints* object.
- character. Optional filename for the output RasterLayer
- Additional arguments as for
r <- raster(ncol=36,nrow=18) xy = c(0,0) dist <- distanceFromPoints(r, xy) #plot(dist)
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