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min distance correction

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This commit is contained in:
mattijs
2009-02-26 22:43:53 +00:00
parent aabf0eff4d
commit e0da094bb3
1 changed files with 23 additions and 22 deletions
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45
src/meshTools/searchableSurface/searchableSurfaceCollection.C
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@ -59,43 +59,44 @@ void Foam::searchableSurfaceCollection::findNearest
List<pointIndexHit> hitInfo(samples.size());
const scalarField localMinDistSqr(samples.size(), GREAT);
forAll(subGeom_, surfI)
{
// Transform then divide
tmp<pointField> localSamples = cmptDivide
(
transform_[surfI].localPosition
(
samples
),
transform_[surfI].localPosition(samples),
scale_[surfI]
);
subGeom_[surfI].findNearest(localSamples, minDistSqr, hitInfo);
subGeom_[surfI].findNearest(localSamples, localMinDistSqr, hitInfo);
forAll(hitInfo, pointI)
{
if (hitInfo[pointI].hit())
{
minDistSqr[pointI] = magSqr
(
hitInfo[pointI].hitPoint()
- localSamples()[pointI]
);
// Rework back into global coordinate sys. Multiply then
// transform
nearestInfo[pointI] = hitInfo[pointI];
nearestInfo[pointI].rawPoint() =
transform_[surfI].globalPosition
point globalPt = transform_[surfI].globalPosition
(
cmptMultiply
(
cmptMultiply
(
nearestInfo[pointI].rawPoint(),
scale_[surfI]
)
);
nearestSurf[pointI] = surfI;
hitInfo[pointI].rawPoint(),
scale_[surfI]
)
);
scalar distSqr = magSqr(globalPt - samples[pointI]);
if (distSqr < minDistSqr[pointI])
{
minDistSqr[pointI] = distSqr;
nearestInfo[pointI].setPoint(globalPt);
nearestInfo[pointI].setHit();
nearestInfo[pointI].setIndex(hitInfo[pointI].index());
nearestSurf[pointI] = surfI;
}
}
}
}