fdisc=MEDCouplingFieldDiscretization.New(self.discSpatial2[discr])
meshId=np.memmap(fd,dtype='int32',mode='r',offset=int(pos),shape=(1)).tolist()[0]-1
if meshId >= len( mcmeshes ):
fdisc=MEDCouplingFieldDiscretization.New(self.discSpatial2[discr])
meshId=np.memmap(fd,dtype='int32',mode='r',offset=int(pos),shape=(1)).tolist()[0]-1
if meshId >= len( mcmeshes ):