>>> to the directory where the command 'Svector.sh' is given, >>> the user may specify >>> * title >>> * font >>> * zooming >>> * vector spec.s (size, distance, curly/regular vectors) >>> * plot size limits >>> for geographical maps: >>> * names of longitude & latitude variables >>> * map projection >>> * coastline detail level >>> (look up, or copy, this file to edit your own 'userdef' file). >>> >>> >>> Example: >>> ======== >>> >>> Svector.sh 4dmap hydrography.nc u v u_btrop v_btrop 1 10 >>> will produce vectors on a lon-lat grid w/ a map, of >>> the sums 'u'+'u_btrop' and 'v'+'v_btrop' in the >>> x- and y-directions, respectively; 'u' and 'v' will be >>> extracted at the first first node in the third dimension >>> (usually the top vertical level) and the tenth node in >>> the fourth dimension (usually time step no. 10), >>> whereas 'u_btrop' and 'v_btrop' are extracted at the >>> tenth node in their third dimension; all variables >>> will be read from the file 'hydrography.nc' >>> >>> >>> Terminating.