ENH: cyclicPolyPatch: have local 'matchTolerance' entry in dictionary

applications/utilities/mesh/manipulation/createPatch/createPatch.C

@@ -526,13 +526,6 @@ int main(int argc, char *argv[])
     // Whether to synchronise points
     const Switch pointSync(dict.lookup("pointSync"));
 
-
-    // Set the matching tolerance so we can read illegal meshes
-    scalar tol = readScalar(dict.lookup("matchTolerance"));
-    Info<< "Using relative tolerance " << tol
-        << " to match up faces and points" << nl << endl;
-    coupledPolyPatch::matchTol = tol;
-
 #   include "createNamedPolyMesh.H"
 
     const word oldInstance = mesh.pointsInstance();

applications/utilities/mesh/manipulation/createPatch/createPatchDict

@@ -34,16 +34,12 @@ FoamFile
 // This will usually fail upon loading:
 //  "face 0 area does not match neighbour 2 by 0.0100005%"
 //  " -- possible face ordering problem."
-// - change patch type from 'cyclic' to 'patch' in the polyMesh/boundary file.
-// - loosen match tolerance to get case to load
+// - in polyMesh/boundary file:
+//      - loosen matchTolerance of all cyclics to get case to load
+//      - or change patch type from 'cyclic' to 'patch'
 // - regenerate cyclic as above
 
 
-// Tolerance used in matching faces. Absolute tolerance is span of
-// face times this factor. To load incorrectly matches meshes set this
-// to a higher value.
-matchTolerance 1E-3;
-
 // Do a synchronisation of coupled points after creation of any patches.
 // Note: this does not work with points that are on multiple coupled patches
 //       with transformations.
@@ -67,6 +63,12 @@ patches
             transform rotational;
             rotationAxis (1 0 0);
             rotationCentre (0 0 0);
+            // transform translational;
+            // separationVector (1 0 0);
+
+            // Optional non-default tolerance to be able to define cyclics
+            // on bad meshes
+            //matchTolerance 1E-2;
         }
 
         // How to construct: either from 'patches' or 'set'