From 3e19b35b220960ada18356ef5d0accb703fba944 Mon Sep 17 00:00:00 2001
From: graham <g.macpherson@opencfd.co.uk>
Date: Thu, 29 Apr 2010 20:00:39 +0100
Subject: [PATCH] BUG: InteractionLists.  Not writing wall faces obj file when
 there are none.  using correct timePath.

---
 .../basic/InteractionLists/InteractionLists.C     | 15 ++++++++++++---
 .../basic/InteractionLists/InteractionLists.H     |  1 +
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/src/lagrangian/basic/InteractionLists/InteractionLists.C b/src/lagrangian/basic/InteractionLists/InteractionLists.C
index e878f4cc2b..83ab477ee4 100644
--- a/src/lagrangian/basic/InteractionLists/InteractionLists.C
+++ b/src/lagrangian/basic/InteractionLists/InteractionLists.C
@@ -1032,13 +1032,22 @@ void Foam::InteractionLists<ParticleType>::prepareWallDataToRefer()
 template<class ParticleType>
 void Foam::InteractionLists<ParticleType>::writeReferredWallFaces() const
 {
-    fileName objDir = mesh_.time().timeName()/cloud::prefix/cloud_.name();
+    if (referredWallFaces_.empty())
+    {
+        return;
+    }
+
+    fileName objDir = mesh_.time().timePath()/cloud::prefix;
 
     mkDir(objDir);
 
-    OFstream str(objDir /"referredWallFaces.obj");
+    fileName objFileName = "referredWallFaces.obj";
 
-    Info<< "    Writing " << str.name() << endl;
+    OFstream str(objDir/objFileName);
+
+    Info<< "    Writing "
+        << mesh_.time().timeName()/cloud::prefix/objFileName
+        << endl;
 
     label offset = 1;
 
diff --git a/src/lagrangian/basic/InteractionLists/InteractionLists.H b/src/lagrangian/basic/InteractionLists/InteractionLists.H
index ea107a41cf..77da111828 100644
--- a/src/lagrangian/basic/InteractionLists/InteractionLists.H
+++ b/src/lagrangian/basic/InteractionLists/InteractionLists.H
@@ -67,6 +67,7 @@ SourceFiles
 #include "treeDataCell.H"
 #include "treeDataFace.H"
 #include "mapDistribute.H"
+#include "volFields.H"
 #include "Random.H"
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //