new mapplot slicing method
new mapplot slicing method

vlas-sokolov/pyspeckit,dinossimpson/pyspeckit,bsipocz/pyspeckit,mikelum/pyspeckit,bsipocz/pyspeckit,keflavich/pyspeckit,keflavich/pyspeckit,pyspeckit/pyspeckit,allisony/pyspeckit,e-koch/pyspeckit,pyspeckit/pyspeckit,low-sky/pyspeckit,jpinedaf/pyspeckit,vlas-sokolov/pyspeckit,dinossimpson/pyspeckit,allisony/pyspeckit,keflavich/pyspeckit-obsolete,mikelum/pyspeckit,e-koch/pyspeckit,jpinedaf/pyspeckit,low-sky/pyspeckit