From 7c2cbbb2660ca90f2f35ccb823bb6e54ae0dae6e Mon Sep 17 00:00:00 2001
From: mattijs <mattijs@hunt.opencfd.co.uk>
Date: Mon, 24 Nov 2008 16:35:45 +0000
Subject: [PATCH] parallel fix

---
 src/engine/ignition/ignitionSite.C | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/engine/ignition/ignitionSite.C b/src/engine/ignition/ignitionSite.C
index 26b084456c..1df145f582 100644
--- a/src/engine/ignition/ignitionSite.C
+++ b/src/engine/ignition/ignitionSite.C
@@ -37,14 +37,17 @@ namespace Foam
 
 void ignitionSite::findIgnitionCells(const fvMesh& mesh)
 {
+    // Bit tricky: generate C and V before shortcutting if cannot find
+    // cell locally. mesh.C generation uses parallel communication.
+    const volVectorField& centres = mesh.C();
+    const scalarField& vols = mesh.V();
+
     label ignCell = mesh.findCell(location_);
     if (ignCell == -1)
     {
         return;
     }
 
-    const volVectorField& centres = mesh.C();
-    const scalarField& vols = mesh.V();
     scalar radius = diameter_/2.0;
 
     cells_.setSize(1);