Storing and reinserting surface conformation instead of recalculating at each

iteration. Rebuilding every 10 steps as a hard-coded experiment.

applications/utilities/mesh/generation/cvMesh/cvMesh.C

@@ -63,7 +63,7 @@ int main(int argc, char *argv[])
 
         mesh.move();
 
-        mesh.conformToSurface();
+        // mesh.conformToSurface();
     }
 
     mesh.writeMesh();

src/conformalVoronoiMesh/conformalVoronoiMesh/conformalVoronoiMesh.C

@@ -74,6 +74,7 @@ Foam::conformalVoronoiMesh::conformalVoronoiMesh
     storedSizes_(),
     storedAlignments_(),
     sizeAndAlignmentTree_(),
+    surfaceConformationVertices_(),
     initialPointsMethod_
     (
         initialPointsMethod::New
@@ -105,6 +106,8 @@ Foam::conformalVoronoiMesh::conformalVoronoiMesh
 
     conformToSurface();
 
+    storeSurfaceConformation();
+
     if(cvMeshControls().objOutput())
     {
         writePoints("allInitialPoints.obj", false);
@@ -1314,6 +1317,61 @@ void Foam::conformalVoronoiMesh::addSurfaceAndEdgeHits
 }
 
 
+void Foam::conformalVoronoiMesh::storeSurfaceConformation()
+{
+    Info<< nl << "    Storing surface conformation." << endl;
+
+    surfaceConformationVertices_.setSize
+    (
+        number_of_vertices() - startOfSurfacePointPairs_
+    );
+
+    label surfPtI = 0;
+
+    for
+    (
+        Triangulation::Finite_vertices_iterator vit = finite_vertices_begin();
+        vit != finite_vertices_end();
+        vit++
+    )
+    {
+        if (vit->index() >= startOfSurfacePointPairs_)
+        {
+            if (!vit->pairPoint())
+            {
+                FatalErrorIn("storeSurfaceConformation()")
+                    << "Trying to store a vertex that is not a surface point"
+                    << exit(FatalError);
+            }
+
+            surfaceConformationVertices_[surfPtI] = Vb(vit->point());
+
+            surfaceConformationVertices_[surfPtI].index() =
+            vit->index() - startOfSurfacePointPairs_;
+
+            surfaceConformationVertices_[surfPtI].type() =
+            vit->type() - startOfSurfacePointPairs_;
+
+            surfPtI++;
+        }
+    }
+
+    Info<< "    Stored " << surfaceConformationVertices_.size()
+        << " vertices" << endl;
+}
+
+
+void Foam::conformalVoronoiMesh::reinsertSurfaceConformation()
+{
+    Info<< nl << "    Reinserting stored surface conformation" << endl;
+
+    forAll(surfaceConformationVertices_, v)
+    {
+        insertVb(surfaceConformationVertices_[v], startOfSurfacePointPairs_);
+    }
+}
+
+
 void Foam::conformalVoronoiMesh::calcDualMesh
 (
     pointField& points,
@@ -2559,8 +2617,28 @@ void Foam::conformalVoronoiMesh::move()
     reinsertFeaturePoints();
     startOfInternalPoints_ = number_of_vertices();
 
+    timeCheck();
+
     Info<< nl << "    Reinserting entire tessellation" << endl;
     insertPoints(pointsToInsert);
+
+    timeCheck();
+
+    if (runTime_.timeIndex() % 10 == 0)
+    {
+        Info<< nl << "    Rebuilding surface conformation "
+            << "HARD CODED TO EVERY 10 STEPS" << endl;
+
+        conformToSurface();
+        storeSurfaceConformation();
+    }
+    else
+    {
+        startOfSurfacePointPairs_ = number_of_vertices();
+        reinsertSurfaceConformation();
+    }
+
+    timeCheck();
 }
 
 

src/conformalVoronoiMesh/conformalVoronoiMesh/conformalVoronoiMesh.H

@@ -132,6 +132,10 @@ class conformalVoronoiMesh
         //- Search tree for size and alignment lookup points
         mutable autoPtr<indexedOctree<treeDataPoint> > sizeAndAlignmentTree_;
 
+        //- Store the surface and feature edge conformation locations to be
+        //  reinserted
+        List<Vb> surfaceConformationVertices_;
+
         //- Method for inserting initial points.  Runtime selectable.
         autoPtr<initialPointsMethod> initialPointsMethod_;
 
@@ -200,8 +204,9 @@ class conformalVoronoiMesh
             const vector& n
         );
 
-        //- Insert a Vb (a typedef of CGAL::indexedVertex<K>)
+        //- Insert a Vb (a typedef of CGAL::indexedVertex<K>) with the
-        inline void insertVb(const Vb& v);
+        //  possibility of an offset for the index and the type
+        inline void insertVb(const Vb& v, label offset = 0);
 
         //- Insert pairs of points on the surface with the given normals, at the
         //  specified spacing
@@ -362,6 +367,14 @@ class conformalVoronoiMesh
             autoPtr<indexedOctree<treeDataPoint> >& edgeLocationTree
         ) const;
 
+        //- Store the surface conformation with the indices offset to be
+        //  relative to zero
+        void storeSurfaceConformation();
+
+        //- Reinsert the surface conformation re-offsetting indices to be
+        //  relative to new number of internal vertices
+        void reinsertSurfaceConformation();
+
         //- Dual calculation
         void calcDualMesh
         (

src/conformalVoronoiMesh/conformalVoronoiMesh/conformalVoronoiMeshI.H

@@ -202,7 +202,7 @@ inline void Foam::conformalVoronoiMesh::insertPointPair
 }
 
 
-inline void Foam::conformalVoronoiMesh::insertVb(const Vb& v)
+inline void Foam::conformalVoronoiMesh::insertVb(const Vb& v, label offset)
 {
     const Point& Pt(v.point());
 
@@ -218,8 +218,16 @@ inline void Foam::conformalVoronoiMesh::insertVb(const Vb& v)
     }
     else
     {
-        vh->index() = v.index();
+        vh->index() = v.index() + offset;
-        vh->type() = v.type();
+
+        if (v.pairPoint())
+        {
+            vh->type() = v.type() + offset;
+        }
+        else
+        {
+            vh->type() = v.type();
+        }
     }
 }