SpatialLines or
SpatialLinesDataFrame from
lists of Slines objects and data.frame'sSpatialLines(SlineList)
SpatialLinesDataFrame(sl, data)
as.SpatialLines.SLDF(SLDF)data.frame; the number of rows in data
should equal the number of Slines elements in slSpatialLines returns object of class SpatialLines;
SpatialLinesDataFrame returns object of class SpatialLinesDataFrame