Is it necessary that it be VTK format or can it be PETSc's binary format or a different mesh format? VTK (be it legacy .vtk or the XML-based .vtu, etc.) is a bad format for parallel reading, no matter how much effort might go into an implementation.
"Kevin G. Wang" <kevi...@vt.edu> writes: > Good morning everyone. > > I use the following functions to output parallel vectors --- "globalVec" in > this example --- to VTK files. It works well, and is quite convenient. > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > PetscViewer viewer; > PetscViewerVTKOpen(PetscObjectComm((PetscObject)*dm), filename, > FILE_MODE_WRITE, &viewer); > VecView(globalVec, viewer); > PetscViewerDestroy(&viewer); > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > Now, I am trying to do the opposite. I would like to read the VTK files > generated by PETSc back into memory, and assign each one to a Vec. Could > someone let me know how this can be done? > > Thanks! > Kevin > > > -- > Kevin G. Wang, Ph.D. > Associate Professor > Kevin T. Crofton Department of Aerospace and Ocean Engineering > Virginia Tech > 1600 Innovation Dr., VTSS Rm 224H, Blacksburg, VA 24061 > Office: (540) 231-7547 | Mobile: (650) 862-2663 > URL: https://www.aoe.vt.edu/people/faculty/wang.html > Codes: https://github.com/kevinwgy
