spCentroid: spCentroid
In RRemelgado/fieldRS: Remote Sensing Field Work Tools

Description Usage Arguments Details Value See Also Examples

Aggregates a spatial object into regions.

1	spCentroid(x)

`x`	An object of class SpatialPoints or SpatialPolygons.

Returns the centroid of each element in x.

A spatialPointsDataFrame object.

ecDistance

{

require(raster)

# read raster data
r <- brick(system.file("extdata", "ndvi.tif", package="fieldRS"))

# read field data
data(fieldData)

# derive centroids
c <- spCentroid(fieldData)

# plot polygons and compare with centroids
plot(fieldData)
points(c, col="red")

}