def __init__(self, arg, x=None, y=None, tracenumbers=None, copyFrom=None):
"""
Input:
filename: The name of the 2D data file
"""
if isinstance(arg, basestring):
filename = arg
infile = BinaryFile(filename, 'rb')
self._read_header(infile)
self._read_traces(infile)
infile.close()
else:
if x is None or y is None:
raise ValueError('When creating a new data2d object, '\
'x and y must both be specified.')
self._new_file(arg, x, y, tracenumbers, copyFrom)
def write(self, outfile):
if isinstance(outfile, basestring):
outfile = BinaryFile(outfile, 'wb')
self._write_header(outfile)
self._write_traces(outfile)
outfile.close()
def __init__(self, filename, mode):
self.filename = filename
self.mode = mode
self._file = BinaryFile(self.filename, self.mode)
