Combine Regions

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Description

Combines a list of several regions of a map object in boundary format into a single region.

Usage

1
fuse(map, regions, name)

Arguments

map

Map object in boundary format that should be modified.

regions

Vector of regions to be combined

name

Name that should be given to the region arising from fusing the specified regions.

Value

Map object in boundary format with the specified regions combined.

Author(s)

Nadja Klein

See Also

read.bnd,write.bnd

Examples

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require("gpclib")
library("maptools")
gpclibPermit()
map <- read.bnd(system.file("examples/germany9301.bnd", package="BayesX"))
drawmap(map=map, drawnames=TRUE)

#vector of regions to be combined 
regions <- c("1056","1060","1061")
#new name of combined region
newname <- "1"
newmap <- fuse(map,regions,newname)
drawmap(map=newmap,drawnames=TRUE)

#vector of regions to be combined
germany <- read.bnd(system.file("examples/germany.bnd", package="BayesX"))
drawmap(map=germany, drawnames=TRUE)
regions <- c("9371","9373","9374","9471","9472","9474","9574")
#new name of combined region
newname <- "1"
newmap <- fuse(germany,regions,newname)
drawmap(map=newmap,drawnames=TRUE)