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"))
# }
Community examples
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