Sort3d:   claudio@sodom.stanford.edu   Mon Jan  5 13:34:04 2009
	 	n2_grid=4 o2_grid=1 d2_grid=1 label2_grid="trace_in_bin"

	 	n3_grid=641 o3_grid=-8000 d3_grid=25 label3_grid="offset"

	 	n4_grid=600 o4_grid=50 d4_grid=50 label4_grid="sx"

		sets next: in="/scr1/claudio/junk8.H@@@@@"
		data_format="xdr_int"