require "numru/ggraph"
include NumRu
gphys = GPhys::IO.open('PotTemp.nc', 'PotTemp')
DCL.gropn(4)
DCL.sgpset('lcntl', false) #; DCL.uzfact(0.7)
GGraph.set_fig( 'itr'=> 1 )
GGraph.tone( gphys.cut('lon'=>0).cut('lat'=>0).cut('sig'=>1..0.6).cut('time'=>65-0.05..67+0.05), true, 'exchange'=>true )
GGraph.color_bar
DCL.grcls