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ENH: Improved parallel intersection testing.

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This commit is contained in:
graham
2011-06-20 17:25:53 +01:00
parent 4c48cc92e2
commit 338c5c5fa7
1 changed files with 45 additions and 44 deletions
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89
src/mesh/conformalVoronoiMesh/conformalVoronoiMesh/conformalVoronoiMeshConformToSurface.C
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@ -727,10 +727,15 @@ void Foam::conformalVoronoiMesh::buildParallelInterfaceIntersection
// End points of dual edges. Some of these values will not be used,
// i.e. for edges with non-real vertices.
pointField dE0(number_of_facets(), vector::zero);
pointField dE1(number_of_facets(), vector::zero);
DynamicList<Foam::point> dE0;
DynamicList<Foam::point> dE1;
label fI = 0;
PackedBoolList testFacetIntersection(number_of_facets(), false);
// Index outer (all) Delaunauy facets for whether they are potential
// intersections, index (inner) the list of tests an results.
label fIInner = 0;
label fIOuter = 0;
for
(
@ -744,29 +749,35 @@ void Foam::conformalVoronoiMesh::buildParallelInterfaceIntersection
// If either Delaunay cell at the end of the Dual edge is infinite,
// skip.
if (is_infinite(c1) || is_infinite(c2))
if (!is_infinite(c1) && !is_infinite(c2))
{
continue;
// The Delaunauy cells at either end of the dual edge need to be
// real, i.e. all vertices form part of the internal or boundary
// definition
if
(
c1->internalOrBoundaryDualVertex()
&& c2->internalOrBoundaryDualVertex()
)
{
Foam::point a = topoint(dual(c1));
Foam::point b = topoint(dual(c2));
// Only if the dual edge cuts the boundary of this processor is
// it going to tbe counted.
if (decomposition_().findLineAny(a, b).hit())
{
dE0.append(a);
dE1.append(b);
testFacetIntersection[fIOuter] = true;
}
}
}
// The Delaunauy cells at either end of the dual edge need to be real,
// i.e. all vertices form part of the internal or boundary definition
if
(
c1->internalOrBoundaryDualVertex()
&& c2->internalOrBoundaryDualVertex()
)
{
dE0[fI] = topoint(dual(c1));
dE1[fI] = topoint(dual(c2));
fI++;
}
fIOuter++;
}
dE0.setSize(fI);
dE1.setSize(fI);
timeCheck("buildParallelInterfaceIntersection before intersectsProc");
// Preform intersections in both directions, as there is no sense
@ -776,7 +787,8 @@ void Foam::conformalVoronoiMesh::buildParallelInterfaceIntersection
timeCheck("buildParallelInterfaceIntersection after intersectsProc");
fI = 0;
// Reset counter
fIOuter = 0;
// Relying on the order of iteration of facets being the same as before
for
@ -789,23 +801,11 @@ void Foam::conformalVoronoiMesh::buildParallelInterfaceIntersection
const Cell_handle c1(fit->first);
const Cell_handle c2(c1->neighbor(fit->second));
// If either Delaunay cell at the end of the Dual edge is infinite,
// skip.
if (is_infinite(c1) || is_infinite(c2))
// Pre-tested facet intersection potential
if (testFacetIntersection[fIOuter])
{
continue;
}
// The Delaunauy cells at either end of the dual edge need to be real,
// i.e. all vertices form part of the internal or boundary definition
if
(
c1->internalOrBoundaryDualVertex()
&& c2->internalOrBoundaryDualVertex()
)
{
const Foam::point a = dE0[fI];
const Foam::point b = dE1[fI];
const Foam::point a = dE0[fIInner];
const Foam::point b = dE1[fIInner];
scalar hitDistSqr = GREAT;
label closestHitProc = -1;
@ -813,9 +813,9 @@ void Foam::conformalVoronoiMesh::buildParallelInterfaceIntersection
// Find the closest intersection with the other background meshes
// of the other processors in each direction, finding the closest.
forAll(intersectionForward[fI], iFI)
forAll(intersectionForward[fIInner], iFI)
{
const pointIndexHit& info = intersectionForward[fI][iFI];
const pointIndexHit& info = intersectionForward[fIInner][iFI];
if (info.hit())
{
@ -830,9 +830,9 @@ void Foam::conformalVoronoiMesh::buildParallelInterfaceIntersection
}
}
forAll(intersectionReverse[fI], iRI)
forAll(intersectionReverse[fIInner], iRI)
{
const pointIndexHit& info = intersectionReverse[fI][iRI];
const pointIndexHit& info = intersectionReverse[fIInner][iRI];
if (info.hit())
{
@ -929,8 +929,10 @@ void Foam::conformalVoronoiMesh::buildParallelInterfaceIntersection
}
}
fI++;
fIInner++;
}
fIOuter++;
}
referVertices
@ -1012,7 +1014,6 @@ void Foam::conformalVoronoiMesh::buildParallelInterfaceInfluence
);
// Reset counters
cIInner = 0;
cIOuter = 0;
// Relying on the order of iteration of cells being the same as before