>> sr2section(Data(1:500,61:120)',0,.5/1000,-1,'r',[],30,200) >> sr2section(Data(1:500,61:120)',0,.5/1000,-1,'r',[1:30,25.5:1:55.5],30,200) [Data,SegyTraceHeaders,SegyHeader]=ReadSegy('1005.sgy');