Combine strokes in a GEOmap list
GEOmap.CombineStrokes(MAP, SEL)
MAP
: GEOmap listSEL
: index of strokes to be combinedStokes are combined in the order designated by the SEL index vector. The direction of the strokes is not modified - this may have to be fixed so that strokes align properly.
GEOmap list - STROKES: Metadata for strokes
Jonathan M. Leesjonathan.lees@unc.edu
GEOmap.cat, GEOmap.Extract, GEOmap.CombineStrokes, list.GEOmap
data(coastmap) SEL = which(coastmap$STROKES$nam=="Caribbean") CAR = GEOmap.Extract(coastmap, SEL, INOUT="in" ) plotGEOmap(CAR, MAPstyle=3, NUMB=TRUE) CAR2 = GEOmap.CombineStrokes(CAR, SEL =c(6:15) ) plotGEOmap(CAR2, MAPstyle=3, MAPcol='red' , add=TRUE)
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