... By default no contours are labeled; use -A to anotate all contours. ... CYLINDRICAL PROJECTIONS: -Jc lon0 / lat0 / scale (Cassini) -Jj lon0 / scale (Miller) -Jm scale (Mercator - Greenwich and Equator as origin) -Jm lon0 / lat0 / scale (Mercator - Give meridian and standard parallel) -Joa lon0 / lat0 / azimuth / scale (Oblique Mercator - point and azimuth) -Job lon0 / lat0 / lon1 / lat1 / scale (Oblique Mercator - two points) -Joc lon0 / lat0 / lonp / latp / ...