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Solving issue #2 #7

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Solving issue #2 #7

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19 changes: 11 additions & 8 deletions meshing/convert_vtu_and_vtp.py
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Original file line number Diff line number Diff line change
Expand Up @@ -16,7 +16,7 @@
try:
import meshio
except:
raise ImportError("Could not find meshio, please install by running" + \
raise ImportError("Could not find meshio, please install by running" +
" pip install meshio")


Expand Down Expand Up @@ -135,16 +135,17 @@ def convert_to_dolfin_xdmf(vtp_path, vtu_path, output_path, global_node_ID_name,
vtp_global_node_ID = msh_vtp.point_data[global_node_ID_name] - 1

# Map the values from the surface to the mesh
N = msh_vtp.cells["triangle"].shape[0]
cells = msh_vtp.cells["triangle"].flatten()
N = len(msh_vtp.cells[0].data) # number of cells
cells = msh_vtp.cells[0].data.flatten()
mapped_cells = vtp_global_node_ID[cells].reshape((N, 3))
cell_data = msh_vtp.cell_data["triangle"][face_ID_name]
cell_data = msh_vtp.cell_data[face_ID_name]

# Write the boundary markers
facet_path = output_path.replace(".xdmf", "_facet_markers.xdmf")
meshio.write(facet_path, meshio.Mesh(points=msh_vtu.points,
cells={"triangle": mapped_cells},
cell_data={"triangle": {face_ID_name: cell_data}}))
cells=[("triangle", mapped_cells)],
cell_data={"triangle": cell_data},
field_data={"triangle": {face_ID_name: cell_data}}))


def read_command_line():
Expand All @@ -171,9 +172,11 @@ def read_command_line():
if not args.output_path.endswith(".xdmf"):
raise NameError("The output path to have an .xdmf extension")
if not args.vtp_path.endswith(".vtp"):
raise NameError("The input path to the VTP file has to have an .vtp extension")
raise NameError(
"The input path to the VTP file has to have an .vtp extension")
if not args.vtu_path.endswith(".vtu"):
raise NameError("The input path to the VTU file has to have an .vtu extension")
raise NameError(
"The input path to the VTU file has to have an .vtu extension")

return args.__dict__

Expand Down