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modernize STL-meshing

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This commit is contained in:
Joachim Schöberl 2018-07-29 12:03:56 +02:00
parent ba620a5b41
commit d7bf88e0cd
7 changed files with 117 additions and 78 deletions
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6
libsrc/gprim/geomobjects.hpp
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@ -229,6 +229,12 @@ namespace netgen
}
}
Box (const Point<D> & p1, const Point<D> & p2, const Point<D> & p3)
: Box(p1,p2)
{
Add (p3);
}
enum EB_TYPE { EMPTY_BOX = 1 };
Box ( EB_TYPE et )
{

1
libsrc/stlgeom/stlgeom.cpp
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@ -62,6 +62,7 @@ void STLMeshing (STLGeometry & geom,
STLGeometry :: ~STLGeometry()
{
for (auto p : atlas) delete p;
delete edgedata;
delete ref;
}

2
libsrc/stlgeom/stlgeom.hpp
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@ -26,6 +26,7 @@
namespace netgen
{
/*
inline int IsInArray(int n, const Array<int>& ia)
{
return ia.Contains(n);
@ -37,6 +38,7 @@ namespace netgen
list.Append(x);
return true;
}
*/
extern DLL_HEADER MeshingParameters mparam;

3
libsrc/stlgeom/stlgeomchart.cpp
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@ -818,7 +818,8 @@ void STLGeometry :: GetDirtyChartTrigs(int chartnum, STLChart& chart,
if (GetChartNr(tn2) != chartnum && outercharttrigs.Get(tn2) != chartnum) {problem = 1;}
}
if (problem && !IsInArray(j,dirtytrigs))
// if (problem && !IsInArray(j,dirtytrigs))
if (problem && !dirtytrigs.Contains(j))
{
dirtytrigs.Append(j);
cnt++;

24
libsrc/stlgeom/stlgeommesh.cpp
View File

@ -1174,14 +1174,18 @@ void STLGeometry :: RestrictHChartDistOneChart(int chartnum, Array<int>& acttrig
{
Point3d p3p1 = GetPoint(np1);
Point3d p3p2 = GetPoint(np2);
if (AddIfNotExists(limes1,np1))
// if (AddIfNotExists(limes1,np1))
if (!limes1.Contains(np1))
{
limes1.Append(np1);
plimes1.Append(p3p1);
plimes1trigs.Append(t);
plimes1origin.Append(np1);
}
if (AddIfNotExists(limes1,np2))
// if (AddIfNotExists(limes1,np2))
if (!limes1.Contains(np2))
{
limes1.Append(np2);
plimes1.Append(p3p2);
plimes1trigs.Append(t);
plimes1origin.Append(np2);
@ -1226,8 +1230,20 @@ void STLGeometry :: RestrictHChartDistOneChart(int chartnum, Array<int>& acttrig
Point3d p3p1 = GetPoint(np1);
Point3d p3p2 = GetPoint(np2);
if (AddIfNotExists(limes2,np1)) {plimes2.Append(p3p1); plimes2trigs.Append(t);}
if (AddIfNotExists(limes2,np2)) {plimes2.Append(p3p2); plimes2trigs.Append(t);}
// if (AddIfNotExists(limes2,np1)) {plimes2.Append(p3p1); plimes2trigs.Append(t);}
// if (AddIfNotExists(limes2,np2)) {plimes2.Append(p3p2); plimes2trigs.Append(t);}
if (!limes2.Contains(np1))
{
limes2.Append(np1);
plimes2.Append(p3p1);
plimes2trigs.Append(t);
}
if (!limes2.Contains(np2))
{
limes2.Append(np2);
plimes2.Append(p3p2);
plimes2trigs.Append(t);
}
chart.AddOLimit(twoint(np1,np2));
for (int di = 1; di <= divisions; di++)

120
libsrc/stlgeom/stltool.cpp
View File

@ -609,40 +609,62 @@ STLTopEdge :: STLTopEdge (int p1, int p2, int trig1, int trig2)
STLChart :: STLChart(STLGeometry * ageometry)
{
charttrigs = new Array<int> (0,0);
outertrigs = new Array<int> (0,0);
ilimit = new Array<twoint> (0,0);
olimit = new Array<twoint> (0,0);
// charttrigs = new Array<int> (0,0);
// outertrigs = new Array<int> (0,0);
// ilimit = new Array<twoint> (0,0);
// olimit = new Array<twoint> (0,0);
geometry = ageometry;
if ( stlparam.usesearchtree == 1)
searchtree = new BoxTree<3> (geometry->GetBoundingBox().PMin() - Vec3d(1,1,1),
geometry->GetBoundingBox().PMax() + Vec3d(1,1,1));
{
Box<3> box = geometry->GetBoundingBox();
box.Increase (0.2*box.Diam()+1e-12);
searchtree = new BoxTree<3> (box);
/*
searchtree = new BoxTree<3> (geometry->GetBoundingBox().PMin() - Vec3d(1,1,1),
geometry->GetBoundingBox().PMax() + Vec3d(1,1,1));
*/
}
else
searchtree = NULL;
}
STLChart :: ~STLChart()
{
delete searchtree;
}
void STLChart :: AddChartTrig(int i)
{
// static int timer = NgProfiler::CreateTimer ("STLChart::AddChartTrig");
// NgProfiler::RegionTimer reg(timer);
charttrigs->Append(i);
charttrigs.Append(i);
const STLTriangle & trig = geometry->GetTriangle(i);
const Point3d & p1 = geometry->GetPoint (trig.PNum(1));
const Point3d & p2 = geometry->GetPoint (trig.PNum(2));
const Point3d & p3 = geometry->GetPoint (trig.PNum(3));
const Point<3> & p1 = geometry->GetPoint (trig.PNum(1));
const Point<3> & p2 = geometry->GetPoint (trig.PNum(2));
const Point<3> & p3 = geometry->GetPoint (trig.PNum(3));
/*
Point3d pmin(p1), pmax(p1);
pmin.SetToMin (p2);
pmin.SetToMin (p3);
pmax.SetToMax (p2);
pmax.SetToMax (p3);
*/
/*
Box<3> box(p1);
box.Add(p2);
box.Add(p3);
*/
Box<3> box(p1,p2,p3);
if (!geomsearchtreeon && (stlparam.usesearchtree == 1))
{searchtree->Insert (pmin, pmax, i);}
// {searchtree->Insert (pmin, pmax, i);}
{
searchtree->Insert (box, i);
}
}
void STLChart :: AddOuterTrig(int i)
@ -650,7 +672,7 @@ void STLChart :: AddOuterTrig(int i)
// static int timer = NgProfiler::CreateTimer ("STLChart::AddOuterTrig");
// NgProfiler::RegionTimer reg(timer);
outertrigs->Append(i);
outertrigs.Append(i);
const STLTriangle & trig = geometry->GetTriangle(i);
const Point3d & p1 = geometry->GetPoint (trig.PNum(1));
@ -669,11 +691,11 @@ void STLChart :: AddOuterTrig(int i)
int STLChart :: IsInWholeChart(int nr) const
{
for (int i = 1; i <= charttrigs->Size(); i++)
if (charttrigs->Get(i) == nr) return 1;
for (int i = 1; i <= charttrigs.Size(); i++)
if (charttrigs.Get(i) == nr) return 1;
for (int i = 1; i <= outertrigs->Size(); i++)
if (outertrigs->Get(i) == nr) return 1;
for (int i = 1; i <= outertrigs.Size(); i++)
if (outertrigs.Get(i) == nr) return 1;
return 0;
}
@ -688,9 +710,8 @@ void STLChart :: GetTrianglesInBox (const Point3d & pmin,
searchtree -> GetIntersecting (pmin, pmax, trias);
else
{
Box3d box1(pmin, pmax);
box1.Increase (1e-4);
Box3d box2;
Box<3> box1(pmin, pmax);
box1.Increase (1e-2*box1.Diam());
trias.SetSize(0);
@ -699,9 +720,9 @@ void STLChart :: GetTrianglesInBox (const Point3d & pmin,
{
int trignum = GetTrig(i);
const STLTriangle & trig = geometry->GetTriangle(trignum);
box2.SetPoint (geometry->GetPoint (trig.PNum(1)));
box2.AddPoint (geometry->GetPoint (trig.PNum(2)));
box2.AddPoint (geometry->GetPoint (trig.PNum(3)));
Box<3> box2(geometry->GetPoint (trig.PNum(1)),
geometry->GetPoint (trig.PNum(2)),
geometry->GetPoint (trig.PNum(3)));
if (box1.Intersect (box2))
trias.Append (trignum);
@ -712,12 +733,12 @@ void STLChart :: GetTrianglesInBox (const Point3d & pmin,
//trigs may contain the same triangle double
void STLChart :: MoveToOuterChart(const Array<int>& trigs)
{
if (!trigs.Size()) {return;}
if (!trigs.Size()) return;
for (int i = 1; i <= trigs.Size(); i++)
{
if (charttrigs->Get(trigs.Get(i)) != -1)
{AddOuterTrig(charttrigs->Get(trigs.Get(i)));}
charttrigs->Elem(trigs.Get(i)) = -1;
if (charttrigs.Get(trigs.Get(i)) != -1)
{AddOuterTrig(charttrigs.Get(trigs.Get(i)));}
charttrigs.Elem(trigs.Get(i)) = -1;
}
DelChartTrigs(trigs);
}
@ -725,27 +746,22 @@ void STLChart :: MoveToOuterChart(const Array<int>& trigs)
//trigs may contain the same triangle double
void STLChart :: DelChartTrigs(const Array<int>& trigs)
{
if (!trigs.Size()) {return;}
if (!trigs.Size()) return;
for (int i = 1; i <= trigs.Size(); i++)
{
charttrigs->Elem(trigs.Get(i)) = -1;
}
charttrigs.Elem(trigs.Get(i)) = -1;
int cnt = 0;
for (int i = 1; i <= charttrigs->Size(); i++)
for (int i = 1; i <= charttrigs.Size(); i++)
{
if (charttrigs->Elem(i) == -1)
{
cnt++;
}
if (cnt != 0 && i < charttrigs->Size())
{
charttrigs->Elem(i-cnt+1) = charttrigs->Get(i+1);
}
if (charttrigs.Elem(i) == -1)
cnt++;
if (cnt != 0 && i < charttrigs.Size())
charttrigs.Elem(i-cnt+1) = charttrigs.Get(i+1);
}
int i = charttrigs->Size() - trigs.Size();
charttrigs->SetSize(i);
int i = charttrigs.Size() - trigs.Size();
charttrigs.SetSize(i);
if (!geomsearchtreeon && stlparam.usesearchtree == 1)
{
@ -754,7 +770,7 @@ void STLChart :: DelChartTrigs(const Array<int>& trigs)
searchtree = new BoxTree<3> (geometry->GetBoundingBox().PMin() - Vec3d(1,1,1),
geometry->GetBoundingBox().PMax() + Vec3d(1,1,1));
for (int i = 1; i <= charttrigs->Size(); i++)
for (int i = 1; i <= charttrigs.Size(); i++)
{
const STLTriangle & trig = geometry->GetTriangle(i);
const Point3d & p1 = geometry->GetPoint (trig.PNum(1));
@ -767,7 +783,7 @@ void STLChart :: DelChartTrigs(const Array<int>& trigs)
pmax.SetToMax (p2);
pmax.SetToMax (p3);
searchtree->Insert (pmin, pmax, i);
searchtree->Insert (pmin, pmax, i);
}
}
}
@ -831,21 +847,17 @@ void STLBoundarySeg :: Swap ()
STLBoundary :: STLBoundary (STLGeometry * ageometry)
: // boundary(),
geometry(ageometry)
{
;
}
: geometry(ageometry)
{ ; }
void STLBoundary :: AddOrDelSegment(const STLBoundarySeg & seg)
{
int i;
int found = 0;
for (i = 1; i <= boundary.Size(); i++)
bool found = false;
for (int i = 1; i <= boundary.Size(); i++)
{
if (found) {boundary.Elem(i-1) = boundary.Get(i);}
if (boundary.Get(i) == seg) {found = 1;}
if (found) { boundary.Elem(i-1) = boundary.Get(i); }
if (boundary.Get(i) == seg) { found = true; }
}
if (!found)
{

39
libsrc/stlgeom/stltool.hpp
View File

@ -43,49 +43,50 @@ class STLChart
{
private:
STLGeometry * geometry;
Array<int>* charttrigs; // trigs which only belong to this chart
Array<int>* outertrigs; // trigs which belong to other charts
Array<int> charttrigs; // trigs which only belong to this chart
Array<int> outertrigs; // trigs which belong to other charts
BoxTree<3> * searchtree; // ADT containing outer trigs
Array<twoint>* olimit; //outer limit of outer chart
Array<twoint>* ilimit; //outer limit of inner chart
Array<twoint> olimit; //outer limit of outer chart
Array<twoint> ilimit; //outer limit of inner chart
public:
STLChart(STLGeometry * ageometry);
~STLChart();
void AddChartTrig(int i);
void AddOuterTrig(int i);
int IsInWholeChart(int nr) const;
int GetChartTrig(int i) const {return charttrigs->Get(i);}
int GetOuterTrig(int i) const {return outertrigs->Get(i);}
int GetChartTrig(int i) const {return charttrigs.Get(i);}
int GetOuterTrig(int i) const {return outertrigs.Get(i);}
//get all trigs:
int GetTrig(int i) const
{
if (i <= charttrigs->Size()) {return charttrigs->Get(i);}
else {return outertrigs->Get(i-charttrigs->Size());}
if (i <= charttrigs.Size()) {return charttrigs.Get(i);}
else {return outertrigs.Get(i-charttrigs.Size());}
}
int GetNChartT() const {return charttrigs->Size();}
int GetNOuterT() const {return outertrigs->Size();}
int GetNT() const {return charttrigs->Size()+outertrigs->Size(); }
int GetNChartT() const {return charttrigs.Size();}
int GetNOuterT() const {return outertrigs.Size();}
int GetNT() const {return charttrigs.Size()+outertrigs.Size(); }
void GetTrianglesInBox (const Point3d & pmin,
const Point3d & pmax,
Array<int> & trias) const;
void AddOLimit(twoint l) {olimit->Append(l);}
void AddILimit(twoint l) {ilimit->Append(l);}
void AddOLimit(twoint l) {olimit.Append(l);}
void AddILimit(twoint l) {ilimit.Append(l);}
void ClearOLimit() {olimit->SetSize(0);}
void ClearILimit() {ilimit->SetSize(0);}
void ClearOLimit() {olimit.SetSize(0);}
void ClearILimit() {ilimit.SetSize(0);}
int GetNOLimit() const {return olimit->Size();}
int GetNILimit() const {return ilimit->Size();}
int GetNOLimit() const {return olimit.Size();}
int GetNILimit() const {return ilimit.Size();}
twoint GetOLimit(int i) const {return olimit->Get(i);}
twoint GetILimit(int i) const {return ilimit->Get(i);}
twoint GetOLimit(int i) const {return olimit.Get(i);}
twoint GetILimit(int i) const {return ilimit.Get(i);}
//move triangles trigs (local chart-trig numbers) to outer chart
void MoveToOuterChart(const Array<int>& trigs);