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0030656: Modeling Algorithms - Change Boolean Operations algorithm to use BVH tree instead of UBTree

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Switching the Boolean Operations algorithm to use the BVH tree instead of UB tree as selection of the elements from BVH tree is usually faster.
This commit is contained in:
emv
2019-04-18 15:34:37 +03:00
committed by bugmaster
parent 0616aa9ecf
commit 9324aa2d0d
21 changed files with 805 additions and 653 deletions
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24
src/BOPAlgo/BOPAlgo_BuilderSolid.cxx
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@@ -21,9 +21,10 @@
#include <BOPAlgo_Tools.hxx>
#include <BOPTools_AlgoTools.hxx>
#include <BOPTools_AlgoTools3D.hxx>
#include <BOPTools_BoxBndTree.hxx>
#include <BOPTools_BoxTree.hxx>
#include <BOPTools_CoupleOfShape.hxx>
#include <BOPTools_Parallel.hxx>
#include <Bnd_Tools.hxx>
#include <BRep_Builder.hxx>
#include <BRep_Tool.hxx>
#include <BRepBndLib.hxx>
@@ -39,7 +40,6 @@
#include <IntTools_Context.hxx>
#include <NCollection_DataMap.hxx>
#include <NCollection_List.hxx>
#include <NCollection_UBTreeFiller.hxx>
#include <NCollection_Vector.hxx>
#include <TColStd_MapIntegerHasher.hxx>
#include <TopAbs.hxx>
@@ -443,24 +443,23 @@ void BOPAlgo_BuilderSolid::PerformAreas()
// Classify holes relatively solids
// Prepare tree filler with the boxes of the hole shells
BOPTools_BoxBndTree aBBTree;
NCollection_UBTreeFiller <Standard_Integer, Bnd_Box> aTreeFiller(aBBTree);
// Prepare tree with the boxes of the hole shells
BOPTools_BoxTree aBBTree;
Standard_Integer i, aNbH = aHoleShells.Extent();
aBBTree.SetSize (aNbH);
for (i = 1; i <= aNbH; ++i)
{
const TopoDS_Shape& aHShell = aHoleShells(i);
//
Bnd_Box aBox;
BRepBndLib::Add(aHShell, aBox);
aTreeFiller.Add(i, aBox);
aBBTree.Add(i, Bnd_Tools::Bnd2BVH(aBox));
myBoxes.Bind(aHShell, aBox);
}
// Shake TreeFiller
aTreeFiller.Fill();
// Build BVH
aBBTree.Build();
// Find outer growth shell that is most close to each hole shell
TopTools_IndexedDataMapOfShapeShape aHoleSolidMap;
@@ -476,9 +475,10 @@ void BOPAlgo_BuilderSolid::PerformAreas()
myBoxes.Bind(aSolid, aBox);
BOPTools_BoxBndTreeSelector aSelector;
aSelector.SetBox(aBox);
aBBTree.Select(aSelector);
BOPTools_BoxTreeSelector aSelector;
aSelector.SetBox(Bnd_Tools::Bnd2BVH(aBox));
aSelector.SetBVHSet (&aBBTree);
aSelector.Select();
const TColStd_ListOfInteger& aLI = aSelector.Indices();
TColStd_ListIteratorOfListOfInteger aItLI(aLI);