[Me/P] Parallel XDMF is not supported msg

Stub for parallel xdmf implementation is removed

MeshLib/IO/XDMF/writeXdmf.cpp

@@ -14,7 +14,6 @@
 #include "writeXdmf.h"
 
 #include <vtkNew.h>
-#include <vtkPXdmf3Writer.h>
 #include <vtkSmartPointer.h>
 #include <vtkXdmf3Writer.h>
 
@@ -26,33 +25,15 @@ namespace IO
 {
 bool writeXdmf3(const MeshLib::Mesh& mesh, std::string const& file_name)
 {
-#ifdef USE_PETSC
-    int rank;
-    MPI_Comm_rank(PETSC_COMM_WORLD, &rank);
-    int mpi_size;
-    MPI_Comm_size(PETSC_COMM_WORLD, &mpi_size);
-    vtkSmartPointer<vtkPXdmf3Writer> writer =
-        vtkSmartPointer<vtkPXdmf3Writer>::New();  // open file handle
-
-#else
     vtkSmartPointer<vtkXdmf3Writer> writer =
         vtkSmartPointer<vtkXdmf3Writer>::New();  // open file handle
-#endif
 
     writer->SetFileName(file_name.c_str());
     vtkNew<MeshLib::VtkMappedMeshSource> vtkSource;
     vtkSource->SetMesh(&mesh);
     vtkSource->Update();
     writer->SetInputData(vtkSource->GetOutput());
-
-#ifdef USE_PETSC
-    writer->SetGhostLevel(1);
-    writer->SetNumberOfPieces(num_partitions);
-    writer->SetStartPiece(rank);
-    writer->SetEndPiece(rank);
-#endif
     writer->Write();
-    // close file handle
     return 0;
 }
 }  // end namespace IO

ProcessLib/Output/CreateOutput.cpp

@@ -31,20 +31,28 @@ std::unique_ptr<Output> createOutput(
 {
     DBUG("Parse output configuration:");
 
-    OutputTypes const output_type = [](auto type)
+    OutputTypes const output_type = [](auto output_type)
     {
         try
         {
-
-            const std::map<std::string, OutputTypes> outputType_to_enum=
-                {{"VTK",OutputTypes::vtk}, {"XDMF", OutputTypes::xdmf}};
-            return outputType_to_enum.at(type);
+            const std::map<std::string, OutputTypes> outputType_to_enum = {
+                {"VTK", OutputTypes::vtk}, {"XDMF", OutputTypes::xdmf}};
+            auto type = outputType_to_enum.at(output_type);
+
+#ifdef USE_PETSC
+            if (type == ProcessLib::OutputTypes::xdmf)
+            {
+                OGS_FATAL("Parallel XDMF output is not supported (yet).");
+            }
+#endif
+
+            return type;
         }
         catch (std::out_of_range& e)
         {
             OGS_FATAL("No supported file type provided. Read `{:s}' from <output><type> \
                 in prj File. Supported: VTK, XDMF.",
-                type);
+                output_type);
         }
     //! \ogs_file_param{prj__time_loop__output__type}
     }(config.getConfigParameter<std::string>("type"));