def open(self, filename='', runName='test'):
if filename == '':
filename = datetime.datetime.now().isoformat() + '.h5'
if self.is_open == True:
self.close()
self.fd = AntRawDataAccess(filename, runName + '/' + SPARKSUBDIRECTORY)
self.fdP = AntParsedDataAccess(filename,
runName + '/' + SPARKSUBDIRECTORY)
self.is_open = True
