// Locate point on patch. Returns (mesh) point label.
label findPoint(const primitivePatch& pp, const point& nearPoint)
{
const pointField& points = pp.points();
const labelList& meshPoints = pp.meshPoints();
// Find nearest and next nearest
scalar minDistSqr = GREAT;
label minI = -1;
scalar almostMinDistSqr = GREAT;
label almostMinI = -1;
forAll(meshPoints, i)
{
label pointI = meshPoints[i];
scalar distSqr = magSqr(nearPoint - points[pointI]);
if (distSqr < minDistSqr)
{
almostMinDistSqr = minDistSqr;
almostMinI = minI;
minDistSqr = distSqr;
minI = pointI;
}
else if (distSqr < almostMinDistSqr)
{
almostMinDistSqr = distSqr;
almostMinI = pointI;
}
}
// Collect all topological information about a point on a patch.
// (this information is the patch faces using the point and the relative
// position of the point in the face)
void Foam::globalPoints::addToSend
(
const primitivePatch& pp,
const label patchPointI,
const procPointList& knownInfo,
DynamicList<label>& patchFaces,
DynamicList<label>& indexInFace,
DynamicList<procPointList>& allInfo
)
{
label meshPointI = pp.meshPoints()[patchPointI];
// Add all faces using the point so we are sure we find it on the
// other side.
const labelList& pFaces = pp.pointFaces()[patchPointI];
forAll(pFaces, i)
{
label patchFaceI = pFaces[i];
const face& f = pp[patchFaceI];
patchFaces.append(patchFaceI);
indexInFace.append(findIndex(f, meshPointI));
allInfo.append(knownInfo);
}