I would recommend not using dolfin-convert, as it is no longer maintained. How about using meshio, see Transitioning from mesh.xml to mesh.xdmf, from dolfin-convert to meshio for a detailed instruction.
I would recommend not using dolfin-convert, as it is no longer maintained. How about using meshio, see Transitioning from mesh.xml to mesh.xdmf, from dolfin-convert to meshio for a detailed instruction.