ENH: sampledCuttingPlane: user specifiable merge tolerance

applications/utilities/postProcessing/sampling/sample/sampleDict

@@ -206,6 +206,8 @@ surfaces
         //exposedPatchName fixedWalls;  // Optional: zone only
 
         // regularise      false;    // Optional: do not simplify
+        // mergeTol        1e-10;    // Optional: fraction of mesh bounding box
+                                     // to merge points (default=1e-6)
     }
     constantIso
     {
@@ -216,6 +218,8 @@ surfaces
         isoValue        0.5;
         interpolate     false;
         regularise      false;              // do not simplify
+        // mergeTol        1e-10;    // Optional: fraction of mesh bounding box
+                                     // to merge points (default=1e-6)
     }
 
     triangleCut
@@ -234,6 +238,8 @@ surfaces
         //exposedPatchName fixedWalls;  // Optional: zone only
 
         // regularise      false;    // Optional: do not simplify
+        // mergeTol        1e-10;    // Optional: fraction of mesh bounding box
+                                     // to merge points (default=1e-6)
     }
 
     distance
@@ -249,6 +255,8 @@ surfaces
         distance        0.0;
 
         interpolate     false;
+        // mergeTol        1e-10;    // Optional: fraction of mesh bounding box
+                                     // to merge points (default=1e-6)
     }
 
     triSurfaceSampling

src/sampling/sampledSurface/sampledCuttingPlane/sampledCuttingPlane.C

@@ -229,7 +229,8 @@ void Foam::sampledCuttingPlane::createGeometry()
             cellDistance,
             pointDistance_,
             0.0,
-            regularise_
+            regularise_,
+            mergeTol_
         )
         //new isoSurfaceCell
         //(
@@ -237,7 +238,8 @@ void Foam::sampledCuttingPlane::createGeometry()
         //    cellDistance,
         //    pointDistance_,
         //    0.0,
-        //    regularise_
+        //    regularise_,
+        //    mergeTol_
         //)
     );