ENH: disable ensightWrite, vtkWrite function objects in post-process mode

- prevents accidental overwrite of runtime conversions.

tutorials/incompressible/simpleFoam/motorBike/system/ensightWrite

@@ -10,8 +10,8 @@ ensightWrite
     // Fields to output (words or regex)
     fields  (U p "(k|epsilon|omega)");
 
-    writeControl  writeTime;
-    writeInterval 1;
+    writeControl    writeTime;
+    writeInterval   1;
 }
 
 // ************************************************************************* //

tutorials/incompressible/simpleFoam/windAroundBuildings/system/controlDict

@@ -50,6 +50,7 @@ runTimeModifiable true;
 
 functions
 {
+    #include "ensightWrite"
     #include "vtkWrite"
 }
 

tutorials/incompressible/simpleFoam/windAroundBuildings/system/ensightWrite

@@ -0,0 +1,18 @@
+// -*- C++ -*-
+// Minimal example of using the ensight write function object.
+// Many more options possible
+ensightWrite
+{
+    type    ensightWrite;
+    libs    ("libutilityFunctionObjects.so");
+    log     true;
+
+    // Fields to output (words or regex)
+    fields  (U p "(k|epsilon|omega)");
+
+    //- Write more frequent than fields
+    writeControl    timeStep;
+    writeInterval   5;
+}
+
+// ************************************************************************* //