GEOmap (version 1.5-8)

subsetTOPO: Subset a Topo map

Description

Extract a subset of a topo DEM

Usage

subsetTOPO(TOPO, ALOC)

Arguments

TOPO

DEM list including x,y,z

ALOC

list including LAT LON vectors for extracting an array from the DEM

Value

• x
  vector x-coordinates
• y
  vector y-coordinates
• z
  2D matrix of elevations

Details

Used for extracting a subset of ETOPO5 or ETOPO2

See Also

GEOTOPO

Examples

library(geomapdata)
data(ETOPO5)
PLOC=list(LON=c(137.008, 141.000),LAT=c(34.000, 36.992),
            x=c(137.008, 141.000), y=c(34.000, 36.992) )


JAPANtopo = subsetTOPO(ETOPO5, PLOC)