vect2rast.SpatialPoints: Converts points to rasters

In plotKML: Visualization of Spatial and Spatio-Temporal Objects in Google Earth

Description

Converts object of class "SpatialPoints*" to a raster map, and (optional) writes it to an external file (GDAL-supported formats; it used the SAGA GIS format by default).

Usage

vect2rast.SpatialPoints(obj, fname = names(obj)[1], cell.size, bbox, 
      file.name, silent = FALSE, method = c("raster", "SAGA")[1], FIELD = 0, 
      MULTIPLE = 1, LINE_TYPE = 0, GRID_TYPE = 2, ... )

Arguments

obj	"SpatialPoints*" object
fname	target variable name in the "data" slot
cell.size	(optional) grid cell size in the output raster map
bbox	(optional) output bounding box (class "bbox") for cropping the data
file.name	(optional) file name to export the resulting raster map
silent	logical; specifies whether to print any output of processing
method	character; specifies the gridding method
FIELD	character; SAGA GIS argument attribute table field number
MULTIPLE	character; SAGA GIS argument method for multiple values — [0] first, [1] last, [2] minimum, [3] maximum, [4] mean
LINE_TYPE	character; SAGA GIS argument method for rasterization — [0] thin, [1] thick
GRID_TYPE	character; SAGA GIS argument for coding type — [0] integer (1 byte), [1] integer (2 byte), [2] integer (4 byte), [3] floating point (4 byte), [4] floating point (8 byte)
...	additional arguments that can be passed to the raster::rasterize command

Value

Returns an object of type "SpatialGridDataFrame".

Author(s)

Tomislav Hengl

See Also

vect2rast

Examples

## Not run: 
library(sp)
data(meuse)
coordinates(meuse) <- ~x+y
# point map:
x <- vect2rast(meuse, fname = "om")
data(SAGA_pal)
sp.p <- list("sp.points", meuse, pch="+", cex=1.5, col="black")
spplot(x, col.regions=SAGA_pal[[1]], sp.layout=sp.p)

## End(Not run)

plotKML documentation built on April 27, 2021, 3:01 p.m.