ENH: output finiteArea patchID with foamToVTK -with-ids

- can be quite useful for debugging/orientation with complex
  geometries

applications/utilities/postProcessing/dataConversion/foamToVTK/convertAreaFields.H

@@ -5,7 +5,7 @@
     \\  /    A nd           | www.openfoam.com
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
-    Copyright (C) 2018-2022 OpenCFD Ltd.
+    Copyright (C) 2018-2023 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM, distributed under GPL-3.0-or-later.
@@ -52,7 +52,7 @@ if (doFiniteArea)
                 outputDir/regionDir/"finite-area"
               / "finiteArea" + timeDesc
             ),
-            Pstream::parRun()
+            UPstream::parRun()
         );
         Info<< "    Area      : "
             << args.relativePath(writer.output()) << nl;
@@ -62,10 +62,10 @@ if (doFiniteArea)
         writer.writeTimeValue(timeValue);
         writer.writeGeometry();
 
-        // Optionally with (cellID, faceLabels, procID) fields
+        // Optionally with (cellID, patchID, faceLabels, procID) fields
         writer.beginCellData
         (
-            (withMeshIds ? 2 + (writer.parallel() ? 1 : 0) : 0)
+            (withMeshIds ? 3 + (writer.parallel() ? 1 : 0) : 0)
           + nAreaFields
         );
 
@@ -76,6 +76,16 @@ if (doFiniteArea)
             // Use global indexed values for the 'cell' ids
             writer.writeCellData("cellID", identity(procAddr.range()));
 
+            // The patch ids can also be quite useful
+            const polyBoundaryMesh& pbm = areaMesh.mesh().boundaryMesh();
+
+            labelList patchIds
+            (
+                areaMesh.mesh().boundaryMesh().patchID(areaMesh.faceLabels())
+            );
+
+            writer.writeCellData("patchID", patchIds);
+
             // Use proc-local data for faceLabels
             // (confusing enough already without renumbering)
             writer.writeCellData("faceLabels", areaMesh.faceLabels());
@@ -95,7 +105,7 @@ if (doFiniteArea)
 
         writer.close();
 
-        if (Pstream::master())
+        if (UPstream::master())
         {
             // Add to file-series and emit as JSON
 

applications/utilities/postProcessing/dataConversion/foamToVTK/convertLagrangian.H

@@ -30,7 +30,7 @@ if (doLagrangian)
         nameOp<fileName>()
     );
 
-    if (Pstream::parRun())
+    if (UPstream::parRun())
     {
         // Synchronise cloud names
         Pstream::combineReduce(cloudNames, ListOps::uniqueEqOp<word>());
@@ -78,7 +78,7 @@ if (doLagrangian)
                 outputDir/regionDir/cloud::prefix
               / cloudName/cloudName + timeDesc
             ),
-            Pstream::parRun()
+            UPstream::parRun()
         );
 
         Info<< "    Lagrangian: "
@@ -101,7 +101,7 @@ if (doLagrangian)
 
         writer.close();
 
-        if (Pstream::master())
+        if (UPstream::master())
         {
             // Add to file-series and emit as JSON
 

applications/utilities/postProcessing/dataConversion/foamToVTK/convertProcessorPatches.H

@@ -71,9 +71,8 @@ Description
 
     label nPatchWriters = 0;
 
-    List<wordList> procPatchNames(Pstream::nProcs());
+    List<wordList> procPatchNames(UPstream::nProcs());
-
+    procPatchNames[UPstream::myProcNo()].resize(patchIds.size());
-    procPatchNames[Pstream::myProcNo()].resize(patchIds.size());
 
     for (const label patchId : patchIds)
     {
@@ -87,13 +86,13 @@ Description
             nearCellValue,
             (
                 vtmOutputBase
-              / subDirNaming(Pstream::myProcNo())
+              / subDirNaming(UPstream::myProcNo())
               / pp.name()
             ),
             false  // This MUST be non-parallel (serial only)
         );
 
-        procPatchNames[Pstream::myProcNo()][nPatchWriters] = pp.name();
+        procPatchNames[UPstream::myProcNo()][nPatchWriters] = pp.name();
 
         writer->writeTimeValue(timeValue);
         writer->writeGeometry();
@@ -111,10 +110,10 @@ Description
         for (vtk::patchWriter& writer : patchWriters)
         {
             // Optionally with patchID, procID, neighID fields
-            // - use Pstream::parRun() not writer.parallel() !!
+            // - use UPstream::parRun() not writer.parallel() !!
             writer.beginCellData
             (
-                (withMeshIds ? 1 + (Pstream::parRun() ? 2 : 0) : 0)
+                (withMeshIds ? 1 + (UPstream::parRun() ? 2 : 0) : 0)
               + nVolFields
             );
 
@@ -158,10 +157,10 @@ Description
 
     const label nProcPatches = returnReduce(nPatchWriters, sumOp<label>());
 
-    if (Pstream::master() && nProcPatches)
+    if (UPstream::master() && nProcPatches)
     {
         Info<< "Wrote " << nProcPatches << " processor boundaries from "
-            << Pstream::nProcs() << " processes" << nl;
+            << UPstream::nProcs() << " processes" << nl;
 
 
         // Collect individual boundaries into a vtm file

applications/utilities/postProcessing/dataConversion/foamToVTK/convertSurfaceFields.H

@@ -82,7 +82,7 @@ Description
                     outputDir/regionDir
                   / "surface-fields"/"surfaceFields" + timeDesc
                 ),
-                Pstream::parRun()
+                UPstream::parRun()
             );
 
             Info<< "    Surface   : "
@@ -103,7 +103,7 @@ Description
 
             writer.close();
 
-            if (Pstream::master())
+            if (UPstream::master())
             {
                 // Add to file-series and emit as JSON
 
@@ -173,7 +173,7 @@ Description
                   / (meshProxy.useSubMesh() ? meshProxy.name() : fz.name())
                   + timeDesc
                 ),
-                Pstream::parRun()
+                UPstream::parRun()
             );
 
             Info<< "    FaceZone  : "
@@ -199,7 +199,7 @@ Description
 
             writer.close();
 
-            if (Pstream::master())
+            if (UPstream::master())
             {
                 // Add to file-series and emit as JSON
 

applications/utilities/postProcessing/dataConversion/foamToVTK/convertTopoSet.H

@@ -39,7 +39,7 @@ if (faceSetName.size())
         set,
         writeOpts,
         outputName,
-        Pstream::parRun()
+        UPstream::parRun()
     );
 
     wroteTopoSet = true;
@@ -67,7 +67,7 @@ if (pointSetName.size())
         set,
         writeOpts,
         outputName,
-        Pstream::parRun()
+        UPstream::parRun()
     );
 
     wroteTopoSet = true;

applications/utilities/postProcessing/dataConversion/foamToVTK/convertVolumeFields.H

@@ -103,7 +103,7 @@ Description
               ? vtmOutputBase
               : (vtmOutputBase / "internal")
             ),
-            Pstream::parRun()
+            UPstream::parRun()
         );
 
         // No sub-block for internal
@@ -158,7 +158,7 @@ Description
                 )
               : (vtmOutputBase / "boundary")
             ),
-            Pstream::parRun()
+            UPstream::parRun()
         );
 
         // No sub-block for one-patch
@@ -213,7 +213,7 @@ Description
                     )
                   : (vtmOutputBase / "boundary" / pp.name())
                 ),
-                Pstream::parRun()
+                UPstream::parRun()
             );
 
             if (!nPatchWriters)
@@ -432,7 +432,7 @@ Description
 
     // Collective output
 
-    if (Pstream::master())
+    if (UPstream::master())
     {
         // Naming for vtm, file series etc.
         fileName outputName(vtmOutputBase);

applications/utilities/postProcessing/dataConversion/foamToVTK/foamToVTK.C

@@ -203,7 +203,7 @@ labelList getSelectedPatches
         {
             continue;
         }
-        else if (Pstream::parRun() && bool(isA<processorPolyPatch>(pp)))
+        else if (UPstream::parRun() && bool(isA<processorPolyPatch>(pp)))
         {
             break; // No processor patches for parallel output
         }
@@ -499,7 +499,7 @@ int main(int argc, char *argv[])
 
     if (args.found("processor-fields"))
     {
-        if (!Pstream::parRun())
+        if (!UPstream::parRun())
         {
             Info<< "Ignoring processor patch writing in serial"
                 << nl << endl;
@@ -689,7 +689,7 @@ int main(int argc, char *argv[])
 
     const fileName outputDir(args.globalPath()/vtkDirName);
 
-    if (Pstream::master())
+    if (UPstream::master())
     {
         // Overwrite or create the VTK/regionName directories.
         // For the default region, this is simply "VTK/"
@@ -832,7 +832,7 @@ int main(int argc, char *argv[])
         }
 
         // Emit multi-region vtm
-        if (Pstream::master() && regionNames.size() > 1)
+        if (UPstream::master() && regionNames.size() > 1)
         {
             fileName outputName
             (