segdreader.py 文件源码

def isSEGD (self, expected_manufactures_code=0) :
        '''   Check to see if we are a Fairfield SEG-D file.   '''
        ret = False
        try :
            c = self.read_general_header_block_1 ()
            self.FH.seek (0)
            if c['manufactures_code'] == expected_manufactures_code :
                ret = True
            else :
                if self.FH != None : self.FH.close ()
        except Exception as e :
            raise InputsError (e.message)

        return ret

#
#   Mix in's
#