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copy localh tree (but skip parts outside of bounding box)

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This commit is contained in:
Matthias Hochsteger 2021-07-13 17:19:03 +02:00
parent 8baccf0a08
commit d997ac0bbe
4 changed files with 57 additions and 4 deletions
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48
libsrc/meshing/localh.cpp
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@ -130,6 +130,54 @@ namespace netgen
return lh;
}
unique_ptr<LocalH> LocalH :: CopyRec ( const Box<3> & bbox, GradingBox *current )
{
static Timer t("LocalH::Copy with bounding box"); RegionTimer rt(t);
auto lh = make_unique<LocalH>(boundingbox, grading, dimension);
std::map<GradingBox*, GradingBox*> mapping;
lh->boxes.SetAllocSize(boxes.Size());
for(auto i : boxes.Range())
{
auto & b = *boxes[i];
auto h = b.H2();
Vec<3> vh = {h,h,h};
Box<3> box( b.PMid() - vh, b.PMid() + vh);
if(!box.Intersect(bbox))
continue;
lh->boxes.Append(new GradingBox());
auto & bnew = *lh->boxes.Last();
bnew.xmid[0] = b.xmid[0];
bnew.xmid[1] = b.xmid[1];
bnew.xmid[2] = b.xmid[2];
bnew.h2 = b.h2;
bnew.hopt = b.hopt;
bnew.flags = b.flags;
mapping[&b] = &bnew;
}
for(auto i : boxes.Range())
{
auto & b = *boxes[i];
if(mapping.count(&b)==0)
continue;
auto & bnew = *mapping[&b];
for(auto k : Range(8))
{
if(b.childs[k] && mapping.count(b.childs[k]))
bnew.childs[k] = mapping[b.childs[k]];
}
if(b.father && mapping.count(b.father))
bnew.father = mapping[b.father];
}
lh->root = mapping[root];
return lh;
}
void LocalH :: Delete ()
{
root->DeleteChilds();

3
libsrc/meshing/localh.hpp
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@ -99,6 +99,7 @@ namespace netgen
~LocalH();
///
unique_ptr<LocalH> Copy();
unique_ptr<LocalH> Copy( const Box<3> & bbox ) { return CopyRec(bbox, root); }
///
void Delete();
///
@ -191,6 +192,8 @@ namespace netgen
///
void ConvexifyRec (GradingBox * box);
unique_ptr<LocalH> CopyRec( const Box<3> & bbox, GradingBox * current );
friend ostream & operator<< (ostream & ost, const LocalH & loch);
};

2
libsrc/meshing/meshfunc.cpp
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@ -68,7 +68,7 @@ namespace netgen
ret[i].mesh = make_unique<Mesh>();
auto & m = *ret[i].mesh;
m.SetLocalH(mesh.GetLocalH());
// m.SetLocalH(mesh.GetLocalH()->Copy());
ipmap[i].SetSize(num_points);
ipmap[i] = PointIndex::INVALID;

8
libsrc/meshing/meshing3.cpp
View File

@ -1109,6 +1109,7 @@ void Meshing3 :: PrepareBlockFillLocalH (Mesh & mesh,
adfront -> CreateTrees();
double maxh = 0;
Box<3> bounding_box(Box<3>::EMPTY_BOX);
for (int i = 1; i <= adfront->GetNF(); i++)
{
@ -1117,6 +1118,7 @@ void Meshing3 :: PrepareBlockFillLocalH (Mesh & mesh,
{
const Point3d & p1 = adfront->GetPoint (el.PNumMod(j));
const Point3d & p2 = adfront->GetPoint (el.PNumMod(j+1));
bounding_box.Add(p1);
double hi = Dist (p1, p2);
if (hi > maxh) maxh = hi;
@ -1126,9 +1128,9 @@ void Meshing3 :: PrepareBlockFillLocalH (Mesh & mesh,
if (mp.maxh < maxh) maxh = mp.maxh;
// auto loch_ptr = mesh.LocalHFunction().Copy();
// auto & loch = *loch_ptr;
auto & loch = mesh.LocalHFunction();
auto loch_ptr = mesh.LocalHFunction().Copy(bounding_box);
auto & loch = *loch_ptr;
// auto & loch = mesh.LocalHFunction();
bool changed;
static Timer t1("loop1");