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Added the link mesh option to write_data_wrapper #264

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Merged
adperezm merged 1 commit into from
Mar 19, 2026
Merged

Added the link mesh option to write_data_wrapper #264

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11 changes: 9 additions & 2 deletions pysemtools/io/wrappers.py
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Original file line number Diff line number Diff line change
Expand Up @@ -151,7 +151,7 @@ def read_data(comm, fname: str, keys: list[str], parallel_io: bool = False, dtyp

return data

def write_data(comm, fname: str, data_dict: dict[str, np.ndarray], parallel_io: bool = False, dtype = np.single, msh: Union[Mesh, list[np.ndarray]] = None, write_mesh:bool=False, distributed_axis: int = 0, uniform_shape: bool = False):
def write_data(comm, fname: str, data_dict: dict[str, np.ndarray], parallel_io: bool = False, dtype = np.single, msh: Union[Mesh, list[np.ndarray]] = None, write_mesh:bool=False, fname_of_mesh_file: str = None, distributed_axis: int = 0, uniform_shape: bool = False):
"""
Write data to a file

Expand All @@ -170,6 +170,8 @@ def write_data(comm, fname: str, data_dict: dict[str, np.ndarray], parallel_io:
The mesh object to write to a fld file, by default None
write_mesh : bool, optional
Only valid for writing fld files
fname_of_mesh_file : str, optional
The name of the file containing the mesh to be linked - This is necessary only for vtkhdf
distributed_axis : int, optional
The axis along which the data is distributed, by default 0
uniform_shape : bool, optional
Expand Down Expand Up @@ -224,7 +226,12 @@ def write_data(comm, fname: str, data_dict: dict[str, np.ndarray], parallel_io:
raise ValueError("A mesh object must be provided to write a vtkhdf file")

file = VTKHDFFile(comm, fname, "w", parallel_io)
file.write_mesh_data(msh[0], msh[1], msh[2], distributed_axis=distributed_axis)
if write_mesh:
file.write_mesh_data(msh[0], msh[1], msh[2], distributed_axis=distributed_axis)
elif fname_of_mesh_file is not None:
file.link_to_existing_mesh(fname_of_mesh_file)
else:
raise ValueError("For a vtkhdf, you need to write the mesh or link to an existing one. Select write_mesh=True or provide the fname_of_mesh_file")

for key in data_dict.keys():
file.write_point_data(key, data_dict[key].astype(dtype), distributed_axis=distributed_axis)
Expand Down
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