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Fix for correct shells splitting when building solids.

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This commit is contained in:
emv
2015-06-30 12:22:42 +03:00
parent eafe0b9090
commit c4362927dc
2 changed files with 98 additions and 70 deletions
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2
src/BOPAlgo/BOPAlgo_MakerVolume.cxx
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@@ -244,7 +244,7 @@ void BOPAlgo_MakerVolume::MakeBox(BOPCol_MapOfShape& theBoxFaces)
//
Standard_Real aXmin, aYmin, aZmin, aXmax, aYmax, aZmax, anExt;
//
anExt = myBBox.SquareExtent() * 0.5;
anExt = sqrt(myBBox.SquareExtent()) * 0.5;
myBBox.Enlarge(anExt);
myBBox.Get(aXmin, aYmin, aZmin, aXmax, aYmax, aZmax);
//

166
src/BOPAlgo/BOPAlgo_ShellSplitter.cxx
View File

@@ -43,7 +43,8 @@ static
TopoDS_Shell& );
//
static
void RefineShell(TopoDS_Shell& theShell);
void RefineShell(TopoDS_Shell& theShell,
BOPCol_ListOfShape& aLShX);
//
static
void MapEdgesAndFaces
@@ -329,8 +330,9 @@ void BOPAlgo_ShellSplitter::SplitBlock(BOPTools_ConnexityBlock& aCB)
BOPTools_CoupleOfShape aCSOff;
BOPCol_MapOfOrientedShape AddedFacesMap;
BOPCol_IndexedDataMapOfShapeListOfShape aEFMap, aMEFP;
Handle (IntTools_Context) aContext;
//
Handle (IntTools_Context) aContext=new IntTools_Context;
aContext=new IntTools_Context;
//
const BOPCol_ListOfShape& myShapes=aCB.Shapes();
//
@@ -454,15 +456,18 @@ void BOPAlgo_ShellSplitter::SplitBlock(BOPTools_ConnexityBlock& aCB)
} // for (; aExp.More(); aExp.Next()) {
} // for (; aItS.More(); aItS.Next()) {
//
if (BRep_Tool::IsClosed(aShell)) {
aShell.Closed (Standard_True);
myLoops.Append(aShell);
}
else {
RefineShell(aShell);
if (BRep_Tool::IsClosed(aShell)) {
aShell.Closed (Standard_True);
myLoops.Append(aShell);
BOPCol_ListOfShape aLShX;
BOPCol_ListIteratorOfListOfShape aItLShX;
//
RefineShell(aShell, aLShX);
//
aItLShX.Initialize(aLShX);
for (; aItLShX.More(); aItLShX.Next()) {
TopoDS_Shell& aShX=*((TopoDS_Shell*)&aItLShX.Value());
//
if (BRep_Tool::IsClosed(aShX)) {
aShX.Closed(Standard_True);
myLoops.Append(aShX);
}
}
} // for (; aItF.More(); aItF.Next()) {
@@ -471,7 +476,8 @@ void BOPAlgo_ShellSplitter::SplitBlock(BOPTools_ConnexityBlock& aCB)
//function : RefineShell
//purpose :
//=======================================================================
void RefineShell(TopoDS_Shell& theShell)
void RefineShell(TopoDS_Shell& theShell,
BOPCol_ListOfShape& aLShX)
{
TopoDS_Iterator aIt;
//
@@ -480,12 +486,12 @@ void RefineShell(TopoDS_Shell& theShell)
return;
}
//
Standard_Integer i, aNbMEF, aNbF;
Standard_Integer i, aNbMEF, aNbF, aNbMFB;
BOPCol_IndexedDataMapOfShapeListOfShape aMEF;
TopoDS_Builder aBB;
TopExp_Explorer aExp;
BOPCol_MapOfShape aMEStop, aMFB;
BOPCol_MapIteratorOfMapOfShape aItM;
BOPCol_IndexedMapOfShape aMFB;
BOPCol_MapOfShape aMEStop, aMFProcessed;
BOPCol_ListIteratorOfListOfShape aItLF, aItLFP;
BOPCol_ListOfShape aLFP, aLFP1;
//
@@ -494,6 +500,7 @@ void RefineShell(TopoDS_Shell& theShell)
TopAbs_EDGE,
TopAbs_FACE,
aMEF);
//
aNbMEF=aMEF.Extent();
for (i=1; i<=aNbMEF; ++i) {
const TopoDS_Shape& aE=aMEF.FindKey(i);
@@ -505,68 +512,89 @@ void RefineShell(TopoDS_Shell& theShell)
}
//
if (aMEStop.IsEmpty()) {
aLShX.Append(theShell);
return;
}
//
// The first Face
const TopoDS_Shape& aF1=aIt.Value();
aMFB.Add(aF1);
aLFP.Append(aF1);
//
// Trying to reach the branch point
for (;;) {
aItLFP.Initialize(aLFP);
for (; aItLFP.More(); aItLFP.Next()) {
const TopoDS_Shape& aFP=aItLFP.Value();
//
aExp.Init(aFP, TopAbs_EDGE);
for (; aExp.More(); aExp.Next()) {
const TopoDS_Edge& aE=(*(TopoDS_Edge*)(&aExp.Current()));
if (aMEStop.Contains(aE)) {
continue;
}
//
if (BRep_Tool::Degenerated(aE)) {
continue;
}
//
const BOPCol_ListOfShape& aLF=aMEF.FindFromKey(aE);
//
aItLF.Initialize(aLF);
for (; aItLF.More(); aItLF.Next()) {
const TopoDS_Shape& aFP1=aItLF.Value();
if (aFP1.IsSame(aFP)) {
continue;
}
if (aMFB.Contains(aFP1)) {
continue;
}
aMFB.Add(aFP1);
aLFP1.Append(aFP1);
}// for (; aItLF.More(); aItLF.Next()) {
}// for (; aExp.More(); aExp.Next()) {
}// for (; aItLFP.More(); aItLFP.Next()) {
//
//
if (aLFP1.IsEmpty()) {
break;
for (; aIt.More(); aIt.Next()) {
const TopoDS_Shape& aF1=aIt.Value();
if (!aMFProcessed.Add(aF1)) {
continue;
}
//
aMFB.Clear();
aLFP.Clear();
aItLF.Initialize(aLFP1);
for (; aItLF.More(); aItLF.Next()) {
const TopoDS_Shape& aFP1=aItLF.Value();
aLFP.Append(aFP1);
//
aMFB.Add(aF1);
aLFP.Append(aF1);
//
// Trying to reach the branch point
for (;;) {
aItLFP.Initialize(aLFP);
for (; aItLFP.More(); aItLFP.Next()) {
const TopoDS_Shape& aFP=aItLFP.Value();
//
aExp.Init(aFP, TopAbs_EDGE);
for (; aExp.More(); aExp.Next()) {
const TopoDS_Edge& aE=(*(TopoDS_Edge*)(&aExp.Current()));
if (aMEStop.Contains(aE)) {
continue;
}
//
if (aE.Orientation() == TopAbs_INTERNAL) {
continue;
}
//
if (BRep_Tool::Degenerated(aE)) {
continue;
}
//
const BOPCol_ListOfShape& aLF=aMEF.FindFromKey(aE);
//
aItLF.Initialize(aLF);
for (; aItLF.More(); aItLF.Next()) {
const TopoDS_Shape& aFP1=aItLF.Value();
if (aFP1.IsSame(aFP)) {
continue;
}
if (aMFB.Contains(aFP1)) {
continue;
}
//
aMFProcessed.Add(aFP1);
aMFB.Add(aFP1);
aLFP1.Append(aFP1);
}// for (; aItLF.More(); aItLF.Next()) {
}// for (; aExp.More(); aExp.Next()) {
} // for (; aItLFP.More(); aItLFP.Next()) {
//
//
if (aLFP1.IsEmpty()) {
break;
}
//
aLFP.Clear();
aItLF.Initialize(aLFP1);
for (; aItLF.More(); aItLF.Next()) {
const TopoDS_Shape& aFP1=aItLF.Value();
aLFP.Append(aFP1);
}
aLFP1.Clear();
}// for (;;) {
//
aNbMFB=aMFB.Extent();
if (aNbMFB) {
TopoDS_Shell aShX;
aBB.MakeShell(aShX);
//
for (i=1; i<=aNbMFB; ++i) {
const TopoDS_Shape& aFB=aMFB(i);
aBB.Add(aShX, aFB);
}
aLShX.Append(aShX);
}
aLFP1.Clear();
}// for (;;) {
//
// Remove all faces before the branch point
aItM.Initialize(aMFB);
for (; aItM.More(); aItM.Next()) {
const TopoDS_Shape& aFB=aItM.Value();
aBB.Remove(theShell, aFB);
}
}//for (; aIt.More(); aIt.Next()) {
}
//=======================================================================
//function : MakeShells