sp2WB

From maptools v0.9-8 by Roger Bivand

Export SpatialPolygons object as S-Plus map for WinBUGS

The function exports an sp SpatialPolygons object into a S-Plus map format to be import by WinBUGS.

Keywords: spatial

Usage

sp2WB(map, filename, Xscale = 1, Yscale = Xscale, plotorder = FALSE)

Arguments

map: a SpatialPolygons object
filename: file where output is written
Xscale, Yscale: scales to be written in the output file
plotorder: default=FALSE, if TRUE, export polygons in plotting order

References

http://www.mrc-bsu.cam.ac.uk/wp-content/uploads/geobugs12manual.pdf

Examples

# NOT RUN {
xx <- readShapePoly(system.file("shapes/sids.shp", package="maptools")[1],
 IDvar="FIPSNO", proj4string=CRS("+proj=longlat +ellps=clrk66"))
plot(xx, border="blue", axes=TRUE, las=1)
tf <- tempfile()
sp2WB(as(xx, "SpatialPolygons"), filename=tf)
xxx <- readSplus(tf, proj4string=CRS("+proj=longlat +ellps=clrk66"))
all.equal(xxx, as(xx, "SpatialPolygons"), tolerance=.Machine$double.eps^(1/4),
 check.attributes=FALSE)
# }
# NOT RUN {
x <- readAsciiGrid(system.file("grids/test.ag", package="maptools")[1])
xp <- as(x, "SpatialPixelsDataFrame")
pp <- as(xp, "SpatialPolygons")
td <- tempdir()
sp2WB(pp, filename=file.path(td, "test.map"))
# }

Documentation reproduced from package maptools, version 0.9-8, License: GPL (>= 2)

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