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PointIndex in delaunay

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This commit is contained in:
Joachim Schoeberl 2024-12-23 21:42:22 +01:00
parent 73bcb1bd29
commit 0a8db69aa7
3 changed files with 57 additions and 38 deletions
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74
libsrc/meshing/delaunay.cpp
View File

@ -42,11 +42,11 @@ namespace netgen
return 3;
}
INDEX_3 GetFace (int i) const
PointIndices<3> GetFace (int i) const
{
return INDEX_3 (pnums[deltetfaces[i][0]],
pnums[deltetfaces[i][1]],
pnums[deltetfaces[i][2]]);
return { pnums[deltetfaces[i][0]],
pnums[deltetfaces[i][1]],
pnums[deltetfaces[i][2]] };
}
void GetFace (int i, Element2d & face) const
@ -372,10 +372,10 @@ namespace netgen
}
else
{
INDEX_3 i3 = tempels.Get(helind).GetFace (k);
const Point<3> & p1 = mesh[PointIndex (i3.I1())];
const Point<3> & p2 = mesh[PointIndex (i3.I2())];
const Point<3> & p3 = mesh[PointIndex (i3.I3())];
PointIndices<3> i3 = tempels.Get(helind).GetFace (k);
const Point<3> & p1 = mesh[i3[0]];
const Point<3> & p2 = mesh[i3[1]];
const Point<3> & p3 = mesh[i3[2]];
Vec<3> n = Cross (p2-p1, p3-p1);
n /= n.Length();
@ -613,9 +613,12 @@ namespace netgen
for (auto & face : adfront->Faces())
for (PointIndex pi : face.Face().PNums())
usep[pi] = true;
/*
for (size_t i = oldnp + PointIndex::BASE;
i < np + PointIndex::BASE; i++)
*/
for (auto i : mesh.Points().Range().Modify(oldnp, -4))
usep[i] = true;
for (PointIndex pi : mesh.LockedPoints())
@ -682,24 +685,25 @@ namespace netgen
while (np % prims[i] == 0) i++;
prim = prims[i];
}
// for (PointIndex pi = mesh.Points().Begin(); pi < mesh.Points().End()-4; pi++)
for (PointIndex pi : mesh.Points().Range().Modify(0, -4))
mixed[pi] = PointIndex ( (prim * pi) % np + PointIndex::BASE );
// mixed[pi] = PointIndex ( (prim * pi) % np + PointIndex::BASE );
mixed[pi] = (prim * (pi-IndexBASE<PointIndex>()+1)) % np + IndexBASE<PointIndex>() ;
Array<DelaunayTet> newels;
// for (PointIndex pi = mesh.Points().Begin(); pi < mesh.Points().End()-4; pi++)
for (PointIndex pi : mesh.Points().Range().Modify(0, -4))
{
if (pi % 1000 == 0)
if ((pi-IndexBASE<PointIndex>()) % 1000 == 0)
{
if (pi % 10000 == 0)
if ((pi-IndexBASE<PointIndex>()) % 10000 == 0)
PrintDot ('+');
else
PrintDot ('.');
}
multithread.percent = 100.0 * pi / np;
multithread.percent = 100.0 * (pi-IndexBASE<PointIndex>()) / np;
if (multithread.terminate)
break;
@ -719,7 +723,7 @@ namespace netgen
}
for (int i = tempels.Size(); i >= 1; i--)
if (tempels.Get(i)[0] <= 0)
if (!tempels.Get(i)[0].IsValid())
tempels.DeleteElement (i);
PrintDot ('\n');
@ -745,7 +749,7 @@ namespace netgen
{
static Timer tdegenerated("Delaunay - remove degenerated"); RegionTimer rt(tdegenerated);
NgBitArray badnode(points.Size());
TBitArray<PointIndex> badnode(points.Size());
badnode.Clear();
int ndeg = 0;
@ -767,13 +771,15 @@ namespace netgen
double h = v1.Length() + v2.Length() + v3.Length();
if (fabs (vol) < 1e-8 * (h * h * h) &&
(el[0] <= np && el[1] <= np &&
el[2] <= np && el[3] <= np) ) // old: 1e-12
(el[0] < IndexBASE<PointIndex>()+np &&
el[1] < IndexBASE<PointIndex>()+np &&
el[2] < IndexBASE<PointIndex>()+np &&
el[3] < IndexBASE<PointIndex>()+np) ) // old: 1e-12
{
badnode.Set(el[0]);
badnode.Set(el[1]);
badnode.Set(el[2]);
badnode.Set(el[3]);
badnode.SetBitAtomic(el[0]);
badnode.SetBitAtomic(el[1]);
badnode.SetBitAtomic(el[2]);
badnode.SetBitAtomic(el[3]);
ndeg++;
(*testout) << "vol = " << vol << " h = " << h << endl;
}
@ -803,7 +809,7 @@ namespace netgen
static Timer topenel("Delaunay - find openel"); RegionTimer rt(topenel);
// find surface triangles which are no face of any tet
BitArray bnd_points( mesh.GetNP() + PointIndex::BASE );
TBitArray<PointIndex> bnd_points( mesh.GetNP() + PointIndex::BASE );
bnd_points.Clear();
for (int i = 1; i <= mesh.GetNOpenElements(); i++)
@ -849,7 +855,7 @@ namespace netgen
for(auto ei : tets_with_3_bnd_points)
for(auto j : Range(4))
{
auto i3_ = tempels[ei].GetFace (j);
PointIndices<3> i3_ = tempels[ei].GetFace (j);
ngcore::IVec<3> i3 = {i3_[0], i3_[1], i3_[2]};
if(bnd_points[i3[0]] && bnd_points[i3[1]] && bnd_points[i3[2]])
{
@ -865,7 +871,7 @@ namespace netgen
for (int i = 1; i <= mesh.GetNOpenElements(); i++)
{
const Element2d & tri = mesh.OpenElement(i);
ngcore::IVec<3> i3(tri[0], tri[1], tri[2]);
ngcore::IVec<3,PointIndex> i3(tri[0], tri[1], tri[2]);
i3.Sort();
if(!face_table.Used(i3))
openels.Append(i);
@ -883,7 +889,7 @@ namespace netgen
table.Add(tri[2], openel_i);
}, mesh.GetNP());
ngcore::BitArray badnode(mesh.GetNP()+PointIndex::BASE);
TBitArray<PointIndex> badnode(mesh.GetNP()+PointIndex::BASE);
badnode.Clear();
ngcore::ParallelForRange(openels.Size(), [&] (auto myrange) {
@ -941,8 +947,8 @@ namespace netgen
double h = v1.Length() + v2.Length() + v3.Length();
if (fabs (vol) < 1e-4 * (h * h * h)) // old: 1e-12
{
badnode.SetBitAtomic(pi2);
badnode.SetBitAtomic(pi3);
badnode.SetBitAtomic(pi2);
badnode.SetBitAtomic(pi3);
}
break;
}
@ -1106,7 +1112,7 @@ namespace netgen
*/
for (const Element2d & tri : mesh.OpenElements())
{
INDEX_3 i3 (tri[0], tri[1], tri[2]);
PointIndices<3> i3 (tri[0], tri[1], tri[2]);
i3.Sort();
boundaryfaces.PrepareSet (i3);
}
@ -1114,7 +1120,7 @@ namespace netgen
for (int i = 1; i <= mesh.GetNOpenElements(); i++)
{
const Element2d & tri = mesh.OpenElement(i);
INDEX_3 i3 (tri[0], tri[1], tri[2]);
PointIndices<3> i3 (tri[0], tri[1], tri[2]);
i3.Sort();
boundaryfaces.Set (i3, 1);
}
@ -1136,7 +1142,7 @@ namespace netgen
*/
for (const DelaunayTet & el : tempels)
{
INDEX_4 i4(el[0], el[1], el[2], el[3]);
PointIndices<4> i4(el[0], el[1], el[2], el[3]);
i4.Sort();
elsonpoint.IncSizePrepare (i4.I1());
elsonpoint.IncSizePrepare (i4.I2());
@ -1147,7 +1153,7 @@ namespace netgen
for (int i = 0; i < tempels.Size(); i++)
{
const DelaunayTet & el = tempels[i];
INDEX_4 i4(el[0], el[1], el[2], el[3]);
PointIndices<4> i4(el[0], el[1], el[2], el[3]);
i4.Sort();
elsonpoint.Add (i4.I1(), i+1);
elsonpoint.Add (i4.I2(), i+1);
@ -1176,7 +1182,7 @@ namespace netgen
if (hel[0] == pi)
{
INDEX_3 i3(hel[0], hel[1], hel[2]);
PointIndices<3> i3(hel[0], hel[1], hel[2]);
if (!boundaryfaces.Used (i3))
{
@ -1191,7 +1197,7 @@ namespace netgen
{
hel.Invert();
hel.NormalizeNumbering();
INDEX_3 i3i(hel[0], hel[1], hel[2]);
PointIndices<3> i3i(hel[0], hel[1], hel[2]);
INDEX_2 i2(i, j);
faceht.Set (i3i, i2);
}

17
libsrc/meshing/meshtype.hpp
View File

@ -234,7 +234,6 @@ namespace netgen
friend bool operator== (PointIndex a, PointIndex b);
friend bool operator!= (PointIndex a, PointIndex b);
*/
public:
constexpr PointIndex (t_invalid inv) : i(PointIndex::BASE-1) { ; }
// PointIndex & operator= (const PointIndex &ai) { i = ai.i; return *this; }
@ -258,7 +257,6 @@ namespace netgen
void DoArchive (Archive & ar) { ar & i; }
};
/*
inline PointIndex operator+ (PointIndex pi, int i) { return PointIndex(pi.i+i); }
inline PointIndex operator+ (PointIndex pi, size_t i) { return PointIndex(pi.i+i); }
@ -321,6 +319,21 @@ namespace netgen
template <size_t J>
PointIndex get() const { return PointIndex(INDEX_3::operator[](J)); }
};
template <> class PointIndices<4> : public INDEX_4
{
public:
PointIndices () = default;
PointIndices (INDEX_4 i4) : INDEX_4(i4) { ; }
PointIndices (PointIndex i1, PointIndex i2, PointIndex i3, PointIndex i4) : INDEX_4(i1,i2,i3,i4) { ; }
PointIndex operator[] (int i) const { return PointIndex(INDEX_4::operator[](i)); }
PointIndex & operator[] (int i) { return reinterpret_cast<PointIndex&>(INDEX_4::operator[](i)); }
using INDEX_4::Sort;
// static PointIndices Sort(PointIndex i1, PointIndex i2, PointIndex i3, PointIndex i4) { return INDEX_4::Sort(i1, i2, i3, i4); }
template <size_t J>
PointIndex get() const { return PointIndex(INDEX_4::operator[](J)); }
};
}
namespace std

4
libsrc/occ/occgenmesh.cpp
View File

@ -300,7 +300,7 @@ namespace netgen
}
for(const auto& vert : geom.GetFaceVertices(geom.GetFace(k-1)))
{
PointIndex pi = vert->nr + 1;
PointIndex pi = vert->nr + IndexBASE<PointIndex>();
if(glob2loc[pi] == 0)
{
auto gi = occface.Project(mesh[pi]);
@ -398,7 +398,7 @@ namespace netgen
}
for(const auto& vert : geom.GetFaceVertices(geom.GetFace(k-1)))
{
PointIndex pi = vert->nr + 1;
PointIndex pi = vert->nr + IndexBASE<PointIndex>();
if(glob2loc[pi] == 0)
{
auto gi = occface.Project(mesh[pi]);