From 9531212f14d7e8cb4e21c9e71db69437dbf21956 Mon Sep 17 00:00:00 2001
From: Mark Olesen <Mark.Olesen@esi-group.com>
Date: Tue, 8 May 2018 09:16:00 +0200
Subject: [PATCH] ENH: disable ensightWrite, vtkWrite function objects in
 post-process mode

- prevents accidental overwrite of runtime conversions.
---
 .../utilities/ensightWrite/ensightWrite.C      |  9 +++++++++
 .../utilities/vtkWrite/vtkWrite.C              |  9 +++++++++
 .../simpleFoam/motorBike/system/ensightWrite   |  4 ++--
 .../windAroundBuildings/system/controlDict     |  1 +
 .../windAroundBuildings/system/ensightWrite    | 18 ++++++++++++++++++
 5 files changed, 39 insertions(+), 2 deletions(-)
 create mode 100644 tutorials/incompressible/simpleFoam/windAroundBuildings/system/ensightWrite

diff --git a/src/functionObjects/utilities/ensightWrite/ensightWrite.C b/src/functionObjects/utilities/ensightWrite/ensightWrite.C
index c3b927ff97..d9d0170369 100644
--- a/src/functionObjects/utilities/ensightWrite/ensightWrite.C
+++ b/src/functionObjects/utilities/ensightWrite/ensightWrite.C
@@ -85,6 +85,15 @@ Foam::functionObjects::ensightWrite::ensightWrite
     dirName_("ensightWrite"),
     consecutive_(false)
 {
+    if (postProcess)
+    {
+        // Disable for post-process mode.
+        // Emit as FatalError for the try/catch in the caller.
+        FatalError
+            << type() << " disabled in post-process mode"
+            << exit(FatalError);
+    }
+
     read(dict);
 }
 
diff --git a/src/functionObjects/utilities/vtkWrite/vtkWrite.C b/src/functionObjects/utilities/vtkWrite/vtkWrite.C
index efc490d4c9..f5d28883ca 100644
--- a/src/functionObjects/utilities/vtkWrite/vtkWrite.C
+++ b/src/functionObjects/utilities/vtkWrite/vtkWrite.C
@@ -56,6 +56,15 @@ Foam::functionObjects::vtkWrite::vtkWrite
     selectFields_(),
     dirName_("VTK")
 {
+    if (postProcess)
+    {
+        // Disable for post-process mode.
+        // Emit as FatalError for the try/catch in the caller.
+        FatalError
+            << type() << " disabled in post-process mode"
+            << exit(FatalError);
+    }
+
     read(dict);
 }
 
diff --git a/tutorials/incompressible/simpleFoam/motorBike/system/ensightWrite b/tutorials/incompressible/simpleFoam/motorBike/system/ensightWrite
index 2630bdc3b6..6e609b30d2 100644
--- a/tutorials/incompressible/simpleFoam/motorBike/system/ensightWrite
+++ b/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;
 }
 
 // ************************************************************************* //
diff --git a/tutorials/incompressible/simpleFoam/windAroundBuildings/system/controlDict b/tutorials/incompressible/simpleFoam/windAroundBuildings/system/controlDict
index 2f6bf24381..05cc58fa59 100644
--- a/tutorials/incompressible/simpleFoam/windAroundBuildings/system/controlDict
+++ b/tutorials/incompressible/simpleFoam/windAroundBuildings/system/controlDict
@@ -50,6 +50,7 @@ runTimeModifiable true;
 
 functions
 {
+    #include "ensightWrite"
     #include "vtkWrite"
 }
 
diff --git a/tutorials/incompressible/simpleFoam/windAroundBuildings/system/ensightWrite b/tutorials/incompressible/simpleFoam/windAroundBuildings/system/ensightWrite
new file mode 100644
index 0000000000..2345202b8e
--- /dev/null
+++ b/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;
+}
+
+// ************************************************************************* //