rsaga.contour(in.grid, out.shapefile, zstep, zmin, zmax, vertex = "xy", env = rsaga.env(), ...).sgrd)"xy" (or 0). Only available with SAGA GIS 2.1.3+. "xy"
"xyz"rsaga.envrsaga.geoprocessorintern argument passed to the rsaga.geoprocessor. For intern=FALSE it is a numerical error code (0: success), or otherwise (the default) a character vector with the module's console output.
rsaga.geoprocessor