Mapping from differences without geographic coordinates

    # create a pseudo-map:
    dif2coo pa.dif > pa.coo
    mapsetup -l pa.coo
    mv out.trn pa.trn

    # you need: pa.lbl

    # use it to make a cluster map
    cluster -wm pa.dif > pa.clu
    mapclust pa.cfg pa.clu 4 > pa4.eps
    # see also: pa4-map.eps

    # use it to make a ccc map
    mapccc pa.cfg pa.dif > pa.eps
    # see also: pa-map.eps

    # create a pseudo-map:
    dif2coo de.dif > de.coo
    mapsetup -l de.coo
    mv out.trn de.trn

    # you need: de.lbl

    # use it to make a cluster map
    cluster -wm de.dif > de.clu
    mapclust de.cfg de.clu 8 > de8.eps
    # see also: de8-map.eps

    # use it to make a ccc map
    mapccc de.cfg de.dif > de.eps
    # see also: de-map.eps