ENH: Add usage information for snappyHexMesh -overwrite option.

Make debug optional.

- minor wording changes in the messages

applications/utilities/mesh/generation/snappyHexMesh/snappyHexMesh.C

@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 1991-2009 OpenCFD Ltd.
+    \\  /    A nd           | Copyright (C) 1991-2010 OpenCFD Ltd.
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -56,11 +56,6 @@ scalar getMergeDistance(const polyMesh& mesh, const scalar mergeTol)
 {
     const boundBox& meshBb = mesh.bounds();
     scalar mergeDist = mergeTol * meshBb.mag();
-    scalar writeTol = std::pow
-    (
-        scalar(10.0),
-       -scalar(IOstream::defaultPrecision())
-    );
 
     Info<< nl
         << "Overall mesh bounding box  : " << meshBb << nl
@@ -68,17 +63,27 @@ scalar getMergeDistance(const polyMesh& mesh, const scalar mergeTol)
         << "Absolute matching distance : " << mergeDist << nl
         << endl;
 
-    if (mesh.time().writeFormat() == IOstream::ASCII && mergeTol < writeTol)
+    // check writing tolerance
+    if (mesh.time().writeFormat() == IOstream::ASCII)
     {
-        FatalErrorIn("getMergeDistance(const polyMesh&, const scalar)")
+        const scalar writeTol = std::pow
-            << "Your current settings specify ASCII writing with "
+        (
-            << IOstream::defaultPrecision() << " digits precision." << endl
+            scalar(10.0),
-            << "Your merging tolerance (" << mergeTol << ") is finer than this."
+            -scalar(IOstream::defaultPrecision())
-            << endl
+        );
-            << "Please change your writeFormat to binary"
+
-            << " or increase the writePrecision" << endl
+        if (mergeTol < writeTol)
-            << "or adjust the merge tolerance (-mergeTol)."
+        {
-            << exit(FatalError);
+            FatalErrorIn("getMergeDistance(const polyMesh&, const dictionary&)")
+                << "Your current settings specify ASCII writing with "
+                << IOstream::defaultPrecision() << " digits precision." << nl
+                << "Your merging tolerance (" << mergeTol
+                << ") is finer than this." << nl
+                << "Change to binary writeFormat, "
+                << "or increase the writePrecision" << endl
+                << "or adjust the merge tolerance (mergeTol)."
+                << exit(FatalError);
+        }
     }
 
     return mergeDist;
@@ -107,7 +112,7 @@ void writeMesh
             mesh.time().path()/meshRefiner.timeName()
         );
     }
-    Info<< "Written mesh in = "
+    Info<< "Wrote mesh in = "
         << mesh.time().cpuTimeIncrement() << " s." << endl;
 }
 
@@ -115,7 +120,11 @@ void writeMesh
 
 int main(int argc, char *argv[])
 {
-    argList::addBoolOption("overwrite");
+    argList::addBoolOption
+    (
+        "overwrite",
+        "overwrite existing mesh files"
+    );
 #   include "setRootCase.H"
 #   include "createTime.H"
     runTime.functionObjects().off();
@@ -126,7 +135,6 @@ int main(int argc, char *argv[])
 
     const bool overwrite = args.optionFound("overwrite");
 
-
     // Check patches and faceZones are synchronised
     mesh.boundaryMesh().checkParallelSync(true);
     meshRefinement::checkCoupledFaceZones(mesh);
@@ -173,7 +181,7 @@ int main(int argc, char *argv[])
     // layer addition parameters
     const dictionary& layerDict = meshDict.subDict("addLayersControls");
 
-
+    // absolute merge distance
     const scalar mergeDist = getMergeDistance
     (
         mesh,
@@ -181,17 +189,16 @@ int main(int argc, char *argv[])
     );
 
 
-
     // Debug
     // ~~~~~
 
-    const label debug(readLabel(meshDict.lookup("debug")));
+    const label debug = meshDict.lookupOrDefault<label>("debug", 0);
     if (debug > 0)
     {
-        meshRefinement::debug = debug;
+        meshRefinement::debug   = debug;
         autoRefineDriver::debug = debug;
-        autoSnapDriver::debug = debug;
+        autoSnapDriver::debug   = debug;
-        autoLayerDriver::debug = debug;
+        autoLayerDriver::debug  = debug;
     }
 
 
@@ -272,7 +279,7 @@ int main(int argc, char *argv[])
 
     meshRefiner.write
     (
-        debug&meshRefinement::OBJINTERSECTIONS,
+        debug & meshRefinement::OBJINTERSECTIONS,
         mesh.time().path()/meshRefiner.timeName()
     );
 
@@ -357,9 +364,9 @@ int main(int argc, char *argv[])
     // Now do the real work -refinement -snapping -layers
     // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-    Switch wantRefine(meshDict.lookup("castellatedMesh"));
+    const Switch wantRefine(meshDict.lookup("castellatedMesh"));
-    Switch wantSnap(meshDict.lookup("snap"));
+    const Switch wantSnap(meshDict.lookup("snap"));
-    Switch wantLayers(meshDict.lookup("addLayers"));
+    const Switch wantLayers(meshDict.lookup("addLayers"));
 
     if (wantRefine)
     {
@@ -465,7 +472,7 @@ int main(int argc, char *argv[])
 
     Info<< "End\n" << endl;
 
-    return(0);
+    return 0;
 }
 
 

src/dynamicMesh/motionSmoother/motionSmoother.C

@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 1991-2009 OpenCFD Ltd.
+    \\  /    A nd           | Copyright (C) 1991-2010 OpenCFD Ltd.
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -34,14 +34,9 @@ License
 #include "meshTools.H"
 #include "OFstream.H"
 
-namespace Foam
+// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
-{
 
-// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+defineTypeNameAndDebug(Foam::motionSmoother, 0);
-
-defineTypeNameAndDebug(motionSmoother, 0);
-
-}
 
 
 // * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
@@ -738,7 +733,7 @@ Foam::tmp<Foam::scalarField> Foam::motionSmoother::movePoints
     // Correct for 2-D motion
     if (twoDCorrector_.required())
     {
-        Info<< "Correct-ing 2-D mesh motion";
+        Info<< "Correcting 2-D mesh motion";
 
         if (mesh_.globalData().parallel())
         {

src/mesh/autoMesh/autoHexMesh/autoHexMeshDriver/autoHexMeshDriver.C

@@ -459,16 +459,16 @@ void Foam::autoHexMeshDriver::writeMesh(const string& msg) const
             mesh_.time().path()/meshRefiner.timeName()
         );
     }
-    Info<< "Written mesh in = "
+    Info<< "Wrote mesh in = "
         << mesh_.time().cpuTimeIncrement() << " s." << endl;
 }
 
 
 void Foam::autoHexMeshDriver::doMesh()
 {
-    Switch wantRefine(dict_.lookup("doRefine"));
+    const Switch wantRefine(dict_.lookup("doRefine"));
-    Switch wantSnap(dict_.lookup("doSnap"));
+    const Switch wantSnap(dict_.lookup("doSnap"));
-    Switch wantLayers(dict_.lookup("doLayers"));
+    const Switch wantLayers(dict_.lookup("doLayers"));
 
     Info<< "Do refinement : " << wantRefine << nl
         << "Do snapping   : " << wantSnap << nl