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parallel CheckOverlapping

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This commit is contained in:
Joachim Schöberl 2019-10-02 23:39:25 +02:00
parent f0eae10a24
commit 0dd913fc20
2 changed files with 87 additions and 111 deletions
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195
libsrc/meshing/meshclass.cpp
View File

@ -3688,131 +3688,104 @@ namespace netgen
{
static Timer t("Mesh::CheckOverlappingBoundary"); RegionTimer reg(t);
int i, j, k;
Point3d pmin, pmax;
GetBox (pmin, pmax);
BoxTree<3> setree(pmin, pmax);
NgArray<int> inters;
BoxTree<3, SurfaceElementIndex> setree(pmin, pmax);
// NgArray<SurfaceElementIndex> inters;
bool overlap = 0;
bool incons_layers = 0;
/*
for (i = 1; i <= GetNSE(); i++)
SurfaceElement(i).badel = 0;
*/
for (Element2d & el : SurfaceElements())
el.badel = false;
for (i = 1; i <= GetNSE(); i++)
for (SurfaceElementIndex sei : Range(SurfaceElements()))
{
const Element2d & tri = SurfaceElement(i);
const Element2d & tri = SurfaceElement(sei);
Point3d tpmin (Point(tri[0]));
Point3d tpmax (tpmin);
Box<3> box(Box<3>::EMPTY_BOX);
for (PointIndex pi : tri.PNums())
box.Add (Point(pi));
for (k = 1; k < tri.GetNP(); k++)
{
tpmin.SetToMin (Point (tri[k]));
tpmax.SetToMax (Point (tri[k]));
}
Vec3d diag(tpmin, tpmax);
tpmax = tpmax + 0.1 * diag;
tpmin = tpmin - 0.1 * diag;
setree.Insert (tpmin, tpmax, i);
box.Increase(1e-3*box.Diam());
setree.Insert (box, sei);
}
for (i = 1; i <= GetNSE(); i++)
{
const Element2d & tri = SurfaceElement(i);
Point3d tpmin (Point(tri[0]));
Point3d tpmax (tpmin);
for (k = 1; k < tri.GetNP(); k++)
{
tpmin.SetToMin (Point (tri[k]));
tpmax.SetToMax (Point (tri[k]));
}
setree.GetIntersecting (tpmin, tpmax, inters);
for (j = 1; j <= inters.Size(); j++)
{
const Element2d & tri2 = SurfaceElement(inters.Get(j));
if ( (*this)[tri[0]].GetLayer() != (*this)[tri2[0]].GetLayer())
continue;
if ( (*this)[tri[0]].GetLayer() != (*this)[tri[1]].GetLayer() ||
(*this)[tri[0]].GetLayer() != (*this)[tri[2]].GetLayer())
{
incons_layers = 1;
cout << "inconsistent layers in triangle" << endl;
}
const netgen::Point<3> *trip1[3], *trip2[3];
for (k = 1; k <= 3; k++)
{
trip1[k-1] = &Point (tri.PNum(k));
trip2[k-1] = &Point (tri2.PNum(k));
}
if (IntersectTriangleTriangle (&trip1[0], &trip2[0]))
{
overlap = 1;
PrintWarning ("Intersecting elements "
,i, " and ", inters.Get(j));
(*testout) << "Intersecting: " << endl;
(*testout) << "openelement " << i << " with open element " << inters.Get(j) << endl;
cout << "el1 = " << tri << endl;
cout << "el2 = " << tri2 << endl;
cout << "layer1 = " << (*this)[tri[0]].GetLayer() << endl;
cout << "layer2 = " << (*this)[tri2[0]].GetLayer() << endl;
for (k = 1; k <= 3; k++)
(*testout) << tri.PNum(k) << " ";
(*testout) << endl;
for (k = 1; k <= 3; k++)
(*testout) << tri2.PNum(k) << " ";
(*testout) << endl;
for (k = 0; k <= 2; k++)
(*testout) << *trip1[k] << " ";
(*testout) << endl;
for (k = 0; k <= 2; k++)
(*testout) << *trip2[k] << " ";
(*testout) << endl;
(*testout) << "Face1 = " << GetFaceDescriptor(tri.GetIndex()) << endl;
(*testout) << "Face1 = " << GetFaceDescriptor(tri2.GetIndex()) << endl;
/*
INDEX_3 i3(tri.PNum(1), tri.PNum(2), tri.PNum(3));
i3.Sort();
for (k = 1; k <= GetNSE(); k++)
{
const Element2d & el2 = SurfaceElement(k);
INDEX_3 i3b(el2.PNum(1), el2.PNum(2), el2.PNum(3));
i3b.Sort();
if (i3 == i3b)
{
SurfaceElement(k).badel = 1;
}
}
*/
SurfaceElement(i).badel = 1;
SurfaceElement(inters.Get(j)).badel = 1;
}
}
}
std::mutex m;
// for (SurfaceElementIndex sei : Range(SurfaceElements()))
ParallelForRange
(Range(SurfaceElements()), [&] (auto myrange)
{
for (SurfaceElementIndex sei : myrange)
{
const Element2d & tri = SurfaceElement(sei);
Box<3> box(Box<3>::EMPTY_BOX);
for (PointIndex pi : tri.PNums())
box.Add (Point(pi));
setree.GetFirstIntersecting
(box.PMin(), box.PMax(),
[&] (SurfaceElementIndex sej)
{
const Element2d & tri2 = SurfaceElement(sej);
if ( (*this)[tri[0]].GetLayer() != (*this)[tri2[0]].GetLayer())
return false;
if ( (*this)[tri[0]].GetLayer() != (*this)[tri[1]].GetLayer() ||
(*this)[tri[0]].GetLayer() != (*this)[tri[2]].GetLayer())
{
incons_layers = 1;
cout << "inconsistent layers in triangle" << endl;
}
const netgen::Point<3> *trip1[3], *trip2[3];
for (int k = 0; k < 3; k++)
{
trip1[k] = &Point (tri[k]);
trip2[k] = &Point (tri2[k]);
}
if (IntersectTriangleTriangle (&trip1[0], &trip2[0]))
{
overlap = 1;
lock_guard<std::mutex> guard(m);
PrintWarning ("Intersecting elements "
,int(sei), " and ", int(sej));
(*testout) << "Intersecting: " << endl;
(*testout) << "openelement " << sei << " with open element " << sej << endl;
cout << "el1 = " << tri << endl;
cout << "el2 = " << tri2 << endl;
cout << "layer1 = " << (*this)[tri[0]].GetLayer() << endl;
cout << "layer2 = " << (*this)[tri2[0]].GetLayer() << endl;
for (int k = 1; k <= 3; k++)
(*testout) << tri.PNum(k) << " ";
(*testout) << endl;
for (int k = 1; k <= 3; k++)
(*testout) << tri2.PNum(k) << " ";
(*testout) << endl;
for (int k = 0; k <= 2; k++)
(*testout) << *trip1[k] << " ";
(*testout) << endl;
for (int k = 0; k <= 2; k++)
(*testout) << *trip2[k] << " ";
(*testout) << endl;
(*testout) << "Face1 = " << GetFaceDescriptor(tri.GetIndex()) << endl;
(*testout) << "Face1 = " << GetFaceDescriptor(tri2.GetIndex()) << endl;
SurfaceElement(sei).badel = 1;
SurfaceElement(sej).badel = 1;
}
return false;
});
}
});
// bug 'fix'
if (incons_layers) overlap = 0;

3
libsrc/meshing/meshtype.hpp
View File

@ -270,6 +270,9 @@ namespace netgen
SurfaceElementIndex & operator+= (int inc) { i+=inc; return *this; }
void DoArchive (Archive & ar) { ar & i; }
};
inline void SetInvalid (SurfaceElementIndex & id) { id = -1; }
inline bool IsInvalid (SurfaceElementIndex & id) { return id == -1; }
inline istream & operator>> (istream & ist, SurfaceElementIndex & pi)
{