force counter-clockwise polygons
Assure that the nodes of outer rings of polygons are in counter-clockwise order.
## S4 method for signature 'SpatVector' forceCCW(x)
x
: SpatVector of polygonsSpatVector
p <- vect("POLYGON ((2 45, 2 55, 18 55, 18 45, 2 45))") pcc <- forceCCW(p) geom(pcc, wkt=TRUE)
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