#undef VTKPV3FOAM_DUALPORT to disable dual-port output for paraview reader

src/paraview-plugins/PV3FoamReader/PV3FoamReader/vtkPV3FoamReader.cxx

@@ -50,6 +50,7 @@ vtkPV3FoamReader::vtkPV3FoamReader()
 
     output0_  = NULL;
 
+#ifdef VTKPV3FOAM_DUALPORT
     // Add second output for the Lagrangian
     this->SetNumberOfOutputPorts(2);
     vtkMultiBlockDataSet *lagrangian = vtkMultiBlockDataSet::New();
@@ -57,6 +58,7 @@ vtkPV3FoamReader::vtkPV3FoamReader()
 
     this->GetExecutive()->SetOutputData(1, lagrangian);
     lagrangian->Delete();
+#endif
 
     TimeStepRange[0] = 0;
     TimeStepRange[1] = 0;
@@ -319,15 +321,6 @@ int vtkPV3FoamReader::RequestData
         )
     );
 
-    vtkMultiBlockDataSet* lagrangianOutput = vtkMultiBlockDataSet::SafeDownCast
-    (
-        outputVector->GetInformationObject(1)->Get
-        (
-            vtkMultiBlockDataSet::DATA_OBJECT()
-        )
-    );
-
-
     if (Foam::vtkPV3Foam::debug)
     {
         cout<< "update output with "
@@ -376,7 +369,21 @@ int vtkPV3FoamReader::RequestData
 
 #else
 
-    foamData_->Update(output, lagrangianOutput);
+#ifdef VTKPV3FOAM_DUALPORT
+    foamData_->Update
+    (
+        output,
+        vtkMultiBlockDataSet::SafeDownCast
+        (
+            outputVector->GetInformationObject(1)->Get
+            (
+                vtkMultiBlockDataSet::DATA_OBJECT()
+            )
+        );
+    );
+#else
+    foamData_->Update(output, output);
+#endif
 
     if (ShowPatchNames)
     {

src/paraview-plugins/PV3FoamReader/vtkPV3Foam/vtkPV3Foam.C

@@ -465,7 +465,6 @@ void Foam::vtkPV3Foam::Update
         cout<< "<beg> Foam::vtkPV3Foam::Update - output with "
             << output->GetNumberOfBlocks() << " and "
             << lagrangianOutput->GetNumberOfBlocks() << " blocks\n";
-
         output->Print(cout);
         lagrangianOutput->Print(cout);
         printMemory();
@@ -504,8 +503,10 @@ void Foam::vtkPV3Foam::Update
         reader_->UpdateProgress(0.7);
     }
 
+#ifdef VTKPV3FOAM_DUALPORT
     // restart port1 at block=0
     blockNo = 0;
+#endif
     convertMeshLagrangian(lagrangianOutput, blockNo);
 
     reader_->UpdateProgress(0.8);

src/paraview-plugins/PV3FoamReader/vtkPV3Foam/vtkPV3Foam.H

@@ -71,6 +71,8 @@ SourceFiles
 #include "PrimitivePatchInterpolation.H"
 #include "volPointInterpolation.H"
 
+#undef VTKPV3FOAM_DUALPORT
+
 // * * * * * * * * * * * * * Forward Declarations  * * * * * * * * * * * * * //
 
 class vtkDataArraySelection;