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bb tolerances

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This commit is contained in:
mattijs
2009-03-12 13:41:50 +00:00
parent 77a80dd5e7
commit cd107e764a
5 changed files with 60 additions and 27 deletions
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4
src/meshTools/directMapped/directMappedPolyPatch/directMappedPolyPatch.C
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@ -209,7 +209,7 @@ void Foam::directMappedPolyPatch::findSamples
// patch faces
const labelList patchFaces(identity(pp.size()) + pp.start());
const treeBoundBox patchBb
treeBoundBox patchBb
(
treeBoundBox(pp.points(), pp.meshPoints()).extend
(
@ -217,6 +217,8 @@ void Foam::directMappedPolyPatch::findSamples
1E-4
)
);
patchBb.min() -= point(ROOTVSMALL, ROOTVSMALL, ROOTVSMALL);
patchBb.max() += point(ROOTVSMALL, ROOTVSMALL, ROOTVSMALL);
autoPtr<indexedOctree<treeDataFace> > boundaryTree
(

1
src/meshTools/indexedOctree/indexedOctree.C
View File

@ -26,7 +26,6 @@ License
#include "indexedOctree.H"
#include "linePointRef.H"
// #include "triSurface.H"
#include "meshTools.H"
#include "OFstream.H"

14
src/meshTools/meshSearch/meshSearch.C
View File

@ -460,8 +460,10 @@ const Foam::indexedOctree<Foam::treeDataFace>& Foam::meshSearch::boundaryTree()
}
treeBoundBox overallBb(mesh_.points());
Random rndGen(123456);
overallBb.extend(rndGen, 1E-4);
overallBb.min() -= point(ROOTVSMALL, ROOTVSMALL, ROOTVSMALL);
overallBb.max() += point(ROOTVSMALL, ROOTVSMALL, ROOTVSMALL);
boundaryTreePtr_ = new indexedOctree<treeDataFace>
(
@ -471,7 +473,7 @@ const Foam::indexedOctree<Foam::treeDataFace>& Foam::meshSearch::boundaryTree()
mesh_,
bndFaces // boundary faces only
),
overallBb.extend(rndGen, 1E-3), // overall search domain
overallBb, // overall search domain
8, // maxLevel
10, // leafsize
3.0 // duplicity
@ -492,6 +494,10 @@ const Foam::indexedOctree<Foam::treeDataCell>& Foam::meshSearch::cellTree()
//
treeBoundBox overallBb(mesh_.points());
Random rndGen(123456);
overallBb.extend(rndGen, 1E-4);
overallBb.min() -= point(ROOTVSMALL, ROOTVSMALL, ROOTVSMALL);
overallBb.max() += point(ROOTVSMALL, ROOTVSMALL, ROOTVSMALL);
cellTreePtr_ = new indexedOctree<treeDataCell>
(
@ -522,6 +528,10 @@ const Foam::indexedOctree<Foam::treeDataPoint>&
//
treeBoundBox overallBb(mesh_.cellCentres());
Random rndGen(123456);
overallBb.extend(rndGen, 1E-4);
overallBb.min() -= point(ROOTVSMALL, ROOTVSMALL, ROOTVSMALL);
overallBb.max() += point(ROOTVSMALL, ROOTVSMALL, ROOTVSMALL);
cellCentreTreePtr_ = new indexedOctree<treeDataPoint>
(

40
src/meshTools/searchableSurface/triSurfaceMesh.C
View File

@ -352,17 +352,24 @@ const Foam::indexedOctree<Foam::treeDataTriSurface>&
{
if (tree_.empty())
{
treeBoundBox bb(points(), meshPoints());
// Random number generator. Bit dodgy since not exactly random ;-)
Random rndGen(65431);
// Slightly extended bb. Slightly off-centred just so on symmetric
// geometry there are less face/edge aligned items.
treeBoundBox bb
(
treeBoundBox(points(), meshPoints()).extend(rndGen, 1E-4)
);
bb.min() -= point(ROOTVSMALL, ROOTVSMALL, ROOTVSMALL);
bb.max() += point(ROOTVSMALL, ROOTVSMALL, ROOTVSMALL);
tree_.reset
(
new indexedOctree<treeDataTriSurface>
(
treeDataTriSurface(*this),
bb.extend(rndGen, 1E-4), // slightly randomize bb
bb,
10, // maxLevel
10, // leafsize
3.0 // duplicity
@ -379,8 +386,6 @@ const Foam::indexedOctree<Foam::treeDataEdge>&
{
if (edgeTree_.empty())
{
treeBoundBox bb(localPoints());
// Boundary edges
labelList bEdges
(
@ -395,6 +400,15 @@ const Foam::indexedOctree<Foam::treeDataEdge>&
// Random number generator. Bit dodgy since not exactly random ;-)
Random rndGen(65431);
// Slightly extended bb. Slightly off-centred just so on symmetric
// geometry there are less face/edge aligned items.
treeBoundBox bb
(
treeBoundBox(points(), meshPoints()).extend(rndGen, 1E-4)
);
bb.min() -= point(ROOTVSMALL, ROOTVSMALL, ROOTVSMALL);
bb.max() += point(ROOTVSMALL, ROOTVSMALL, ROOTVSMALL);
edgeTree_.reset
(
new indexedOctree<treeDataEdge>
@ -406,7 +420,7 @@ const Foam::indexedOctree<Foam::treeDataEdge>&
localPoints(), // points
bEdges // selected edges
),
bb.extend(rndGen, 1E-4), // slightly randomize bb
bb, // bb
8, // maxLevel
10, // leafsize
3.0 // duplicity
@ -463,8 +477,11 @@ void Foam::triSurfaceMesh::findNearest
forAll(samples, i)
{
static_cast<pointIndexHit&>(info[i]) =
octree.findNearest(samples[i], nearestDistSqr[i]);
static_cast<pointIndexHit&>(info[i]) = octree.findNearest
(
samples[i],
nearestDistSqr[i]
);
}
}
@ -504,8 +521,11 @@ void Foam::triSurfaceMesh::findLineAny
forAll(start, i)
{
static_cast<pointIndexHit&>(info[i]) =
octree.findLineAny(start[i], end[i]);
static_cast<pointIndexHit&>(info[i]) = octree.findLineAny
(
start[i],
end[i]
);
}
}

26
src/meshTools/triSurface/triSurfaceSearch/triSurfaceSearch.C
View File

@ -50,19 +50,21 @@ triSurfaceSearch::triSurfaceSearch(const triSurface& surface)
surface_(surface),
treePtr_(NULL)
{
treeBoundBox treeBb(surface_.points(), surface_.meshPoints());
// Random number generator. Bit dodgy since not exactly random ;-)
Random rndGen(65431);
scalar tol = 1E-6 * treeBb.avgDim();
point& bbMin = treeBb.min();
bbMin.x() -= tol;
bbMin.y() -= tol;
bbMin.z() -= tol;
point& bbMax = treeBb.max();
bbMax.x() += 2*tol;
bbMax.y() += 2*tol;
bbMax.z() += 2*tol;
// Slightly extended bb. Slightly off-centred just so on symmetric
// geometry there are less face/edge aligned items.
treeBoundBox treeBb
(
treeBoundBox(surface_.points(), surface_.meshPoints()).extend
(
rndGen,
1E-4
)
);
treeBb.min() -= point(ROOTVSMALL, ROOTVSMALL, ROOTVSMALL);
treeBb.max() += point(ROOTVSMALL, ROOTVSMALL, ROOTVSMALL);
treePtr_.reset
(