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msg01522
2010 May 06
1
extracting coordinates from SpatialPolygonsDataFrame using slot functions
In converting some older code:
## builds an OWIN to generate a set of points on a grid within the OWIN object:
bdry <- read.shape( "../../data/boundary.shp" )
outline.verts <- bdry$Shapes[[2]]$verts[1:bdry$Shapes[[2]]$Pstart[2],]
outline.order <- nrow( outline.verts ) : 2
bdry.poly <- vector( 2, mode="list" )
bdry.poly[[1]] <- list(