ENH: use prefix when displaying group,patch names for paraview selection

- easier to detect the implicit grouping

applications/utilities/postProcessing/graphics/PVReaders/PVFoamReader/vtkPVFoam/vtkPVFoam.C

@@ -240,7 +240,7 @@ void Foam::vtkPVFoam::updateMeshPartsStatus()
 
 Foam::word Foam::vtkPVFoam::getPartName(const int partId)
 {
-    return getFirstWord(reader_->GetPartArrayName(partId));
+    return getFoamName(reader_->GetPartArrayName(partId));
 }
 
 
@@ -649,7 +649,7 @@ void Foam::vtkPVFoam::renderPatchNames
 
     if (show && meshPtr_)
     {
-        // get the display patches, strip off any suffix
+        // get the display patches, strip off any prefix/suffix
         hashedWordList selectedPatches = getSelected
         (
             reader_->GetPartSelection(),

applications/utilities/postProcessing/graphics/PVReaders/PVFoamReader/vtkPVFoam/vtkPVFoamUpdateInfo.C

@@ -192,7 +192,7 @@ void Foam::vtkPVFoam::updateInfoLagrangian
         // Add cloud to GUI list
         arraySelection->AddArray
         (
-            (cloudDirs[cloudi] + " - lagrangian").c_str()
+            ("lagrangian/" + cloudDirs[cloudi]).c_str()
         );
         ++rangeLagrangian_;
     }
@@ -246,7 +246,7 @@ void Foam::vtkPVFoam::updateInfoPatches
             }
 
             // Valid patch if nFace > 0 - add patch to GUI list
-            const string dpyName = groupName + " - group";
+            const string dpyName = "group/" + groupName;
             arraySelection->AddArray(dpyName.c_str());
             ++rangePatches_;
 
@@ -262,7 +262,7 @@ void Foam::vtkPVFoam::updateInfoPatches
                         {
                             enabledEntriesSet.insert
                             (
-                                pp.name() + " - patch"
+                                "patch/" + pp.name()
                             );
                         }
                     }
@@ -285,7 +285,7 @@ void Foam::vtkPVFoam::updateInfoPatches
                     // Add patch to GUI list
                     arraySelection->AddArray
                     (
-                        (pp.name() + " - patch").c_str()
+                        ("patch/" + pp.name()).c_str()
                     );
                     ++rangePatches_;
                 }
@@ -360,7 +360,7 @@ void Foam::vtkPVFoam::updateInfoPatches
                 const auto& groupName = iter.key();
                 const auto& patchIDs  = iter.object();
 
-                const string dpyName = groupName + " - group";
+                const string dpyName = "group/" + groupName;
                 arraySelection->AddArray(dpyName.c_str());
                 ++rangePatches_;
 
@@ -376,7 +376,7 @@ void Foam::vtkPVFoam::updateInfoPatches
                     {
                         enabledEntriesSet.insert
                         (
-                            names[patchId] + " - patch";
+                            "patch/" + names[patchId]
                         );
                     }
                 }
@@ -395,7 +395,7 @@ void Foam::vtkPVFoam::updateInfoPatches
                     {
                         arraySelection->AddArray
                         (
-                            (names[patchi] + " - patch").c_str()
+                            ("patch/" + names[patchi]).c_str()
                         );
                         ++rangePatches_;
                     }
@@ -449,7 +449,7 @@ void Foam::vtkPVFoam::updateInfoZones
     {
         arraySelection->AddArray
         (
-            (namesLst[elemI] + " - cellZone").c_str()
+            ("cellZone/" + namesLst[elemI]).c_str()
         );
         ++rangeCellZones_;
     }
@@ -472,7 +472,7 @@ void Foam::vtkPVFoam::updateInfoZones
     {
         arraySelection->AddArray
         (
-            (namesLst[elemI] + " - faceZone").c_str()
+            ("faceZone/" + namesLst[elemI]).c_str()
         );
         ++rangeFaceZones_;
     }
@@ -495,7 +495,7 @@ void Foam::vtkPVFoam::updateInfoZones
     {
         arraySelection->AddArray
         (
-            (namesLst[elemI] + " - pointZone").c_str()
+            ("pointZone/" + namesLst[elemI]).c_str()
         );
         ++rangePointZones_;
     }
@@ -554,7 +554,7 @@ void Foam::vtkPVFoam::updateInfoSets
     (
         arraySelection,
         objects,
-        " - cellSet"
+        "cellSet/"
     );
 
     rangeFaceSets_.reset(arraySelection->GetNumberOfArrays());
@@ -562,7 +562,7 @@ void Foam::vtkPVFoam::updateInfoSets
     (
         arraySelection,
         objects,
-        " - faceSet"
+        "faceSet/"
     );
 
     rangePointSets_.reset(arraySelection->GetNumberOfArrays());
@@ -570,7 +570,7 @@ void Foam::vtkPVFoam::updateInfoSets
     (
         arraySelection,
         objects,
-        " - pointSet"
+        "pointSet/"
     );
 
     if (debug)

applications/utilities/postProcessing/graphics/PVReaders/foamPv/foamPvCore.C

@@ -164,7 +164,7 @@ Foam::hashedWordList Foam::foamPvCore::getSelected
     {
         if (select->GetArraySetting(i))
         {
-            selected.append(getFirstWord(select->GetArrayName(i)));
+            selected.append(getFoamName(select->GetArrayName(i)));
         }
     }
 
@@ -185,7 +185,7 @@ Foam::hashedWordList Foam::foamPvCore::getSelected
     {
         if (select->GetArraySetting(i))
         {
-            selected.append(getFirstWord(select->GetArrayName(i)));
+            selected.append(getFoamName(select->GetArrayName(i)));
         }
     }
 
@@ -295,17 +295,29 @@ void Foam::foamPvCore::setSelectedArrayEntries
 }
 
 
-Foam::word Foam::foamPvCore::getFirstWord(const char* str)
+Foam::word Foam::foamPvCore::getFoamName(const std::string& str)
 {
-    if (str)
+    if (str.size())
     {
-        label n = 0;
+        std::string::size_type beg = str.rfind('/');
-        while (str[n] && word::valid(str[n]))
+        if (beg == std::string::npos)
         {
-            ++n;
+            beg = 0;
         }
-        // don't need to re-check for invalid chars
+        else
-        return word(str, n, false);
+        {
+            ++beg;
+        }
+
+        std::string::size_type end = beg;
+
+        while (str[end] && word::valid(str[end]))
+        {
+            ++end;
+        }
+
+        // Already checked for valid/invalid chars
+        return word(str.substr(beg, beg+end), false);
     }
     else
     {

applications/utilities/postProcessing/graphics/PVReaders/foamPv/foamPvCore.H

@@ -180,7 +180,7 @@ public:
     (
         vtkDataArraySelection* select,
         const IOobjectList& objects,
-        const std::string& suffix = string::null
+        const std::string& prefix = string::null
     );
 
 
@@ -191,14 +191,16 @@ public:
         vtkDataArraySelection* select
     );
 
-    //- Retrieve the current selections as a wordHashSet
+    //- Retrieve the current selections as a hashedWordList,
+    //  while stripping off any prefix or suffix
     static hashedWordList getSelected
     (
         vtkDataArraySelection* select
     );
 
 
-    //- Retrieve a sub-list of the current selections
+    //- Retrieve a sub-list of the current selections as a hashedWordList,
+    //  while stripping off any prefix or suffix
     static hashedWordList getSelected
     (
         vtkDataArraySelection* select,
@@ -228,8 +230,9 @@ public:
     );
 
 
-    //- Extract up to the first non-word characters
+    //- Extract the first word characters after a slash
-    static word getFirstWord(const char* str);
+    static word getFoamName(const std::string& str);
+
 
     //- Simple memory used debugging information
     static void printMemory();

applications/utilities/postProcessing/graphics/PVReaders/foamPv/foamPvCoreTemplates.C

@@ -60,20 +60,20 @@ Foam::label Foam::foamPvCore::addToSelection
 (
     vtkDataArraySelection *select,
     const IOobjectList& objects,
-    const std::string& suffix
+    const std::string& prefix
 )
 {
     const wordList names = objects.sortedNames(Type::typeName);
 
     forAll(names, i)
     {
-        if (suffix.empty())
+        if (prefix.empty())
         {
             select->AddArray(names[i].c_str());
         }
         else
         {
-            select->AddArray((names[i] + suffix).c_str());
+            select->AddArray((prefix + names[i]).c_str());
         }
     }