ENH: old-time field: avoid reading in postprocessing mode. Fixes #1228.

applications/utilities/preProcessing/mapFields/MapConsistentVolFields.H

@@ -58,8 +58,8 @@ void MapConsistentVolFields
         Info<< "    interpolating " << fieldIter()->name()
             << endl;
 
-        // Read field
-        fieldType fieldSource(*fieldIter(), meshSource);
+        // Read field. Do not auto-load old-time field
+        fieldType fieldSource(*fieldIter(), meshSource, false);
 
         IOobject fieldTargetIOobject
         (
@@ -73,7 +73,7 @@ void MapConsistentVolFields
         if (fieldTargetIOobject.typeHeaderOk<fieldType>(true))
         {
             // Read fieldTarget
-            fieldType fieldTarget(fieldTargetIOobject, meshTarget);
+            fieldType fieldTarget(fieldTargetIOobject, meshTarget, false);
 
             // Interpolate field
             meshToMesh0Interp.interpolate

applications/utilities/preProcessing/mapFields/MapVolFields.H

@@ -68,14 +68,15 @@ void MapVolFields
         {
             Info<< "    interpolating " << fieldIter()->name() << endl;
 
-            // Read field fieldSource
-            fieldType fieldSource(*fieldIter(), meshSource);
+            // Read field fieldSource. Do not auto-load old-time fields
+            fieldType fieldSource(*fieldIter(), meshSource, false);
 
-            // Read fieldTarget
+            // Read fieldTarget. Do not auto-load old-time fields
             fieldType fieldTarget
             (
                 fieldTargetIOobject,
-                meshTarget
+                meshTarget,
+                false
             );
 
             // Interpolate field

applications/utilities/preProcessing/mapFieldsPar/MapVolFields.H

@@ -143,7 +143,7 @@ void MapVolFields
 
     for (const word& fieldName : fieldNames)
     {
-        const fieldType fieldSource(*(objects[fieldName]), meshSource);
+        const fieldType fieldSource(*(objects[fieldName]), meshSource, false);
 
         IOobject targetIO
         (
@@ -158,7 +158,7 @@ void MapVolFields
             Info<< "    interpolating onto existing field "
                 << fieldName << endl;
 
-            fieldType fieldTarget(targetIO, meshTarget);
+            fieldType fieldTarget(targetIO, meshTarget, false);
 
             interp.mapSrcToTgt(fieldSource, cop, fieldTarget);
 

applications/utilities/preProcessing/setFields/setFields.C

@@ -90,7 +90,7 @@ bool setCellFieldType
             << fieldHeader.headerClassName()
             << " " << fieldName << endl;
 
-        fieldType field(fieldHeader, mesh);
+        fieldType field(fieldHeader, mesh, false);
 
         const Type& value = pTraits<Type>(fieldValueStream);