How to convert msh file to xdmf and load it into dolfin-x?

[Karo]

Thanks for reply dokken,
Now I am trying to follow this tutorial as you mentioned:

Transitioning from mesh.xml to mesh.xdmf, from dolfin-convert to meshio

@fforteneto, After some help from @nschloe, the following code will work with the newest meshio: import meshio msh = meshio.read("mesh.msh") for cell in msh.cells: if cell.type == "triangle": triangle_cells = cell.data elif cell.type == "tetra": tetra_cells = cell.data for key in msh.cell_data_dict["gmsh:physical"].keys(): if key == "triangle": triangle_data = msh.cell_data_dict["gmsh:physical"][key] elif key == "tetra": tetra_data = msh.cell_da…

and it is working for triangle cell type properly.

test.msh file:

is converted to test.xdmf file:

.

Is this method expandable on quadrilateral elements?