This snippet exemplifies how to export a 3D array into ParaView without the need of writing a VTK file. This is a classical approach to export large volumes of data preferred in highly performing computational (HPC) scenarios. ( like reading/writing [10,000]^3 arrays )
This example outputs 3 files: the geometry.h5, the field.h5, and the solution.xmf. The 3 files are required to be in the same folder. But for opening the array in ParaView/Visit, only the *.xmf file is initially required. ParaView/VisIt will then load the two h5-files.
More details are found inside the script. Happy coding! ;D
Manuel A. Diaz (2021). Matlab 3D array to ParaView (via HDF5 + XDMF) (https://www.mathworks.com/matlabcentral/fileexchange/82043-matlab-3d-array-to-paraview-via-hdf5-xdmf), MATLAB Central File Exchange. Retrieved .
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