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0024803: improve the result of v/v interference for two vertices case

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Changes:
class BOPTools_AlgoTools
- method:
void BOPTools_AlgoTools::MakeVertex(BOPCol_ListOfShape& aLV,
                                    TopoDS_Vertex& aVnew)
has been changed.
The section for case of two vertices  has been added

Test case for issue CR24803
This commit is contained in:
pkv
2015-04-09 16:26:40 +03:00
committed by bugmaster
parent 6f7c5420f8
commit 138ac5300a
2 changed files with 127 additions and 5 deletions
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65
src/BOPTools/BOPTools_AlgoTools.cxx
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@@ -65,6 +65,7 @@
#include <BOPCol_MapOfShape.hxx>
//
#include <IntTools_ShrunkRange.hxx>
#include <Precision.hxx>
//
static
@@ -1496,13 +1497,67 @@ void BOPTools_AlgoTools::MakeVertex(BOPCol_ListOfShape& aLV,
TopoDS_Vertex& aVnew)
{
Standard_Integer aNb;
Standard_Real aTi, aDi, aDmax;
gp_Pnt aPi, aP;
gp_XYZ aXYZ(0.,0.,0.), aXYZi;
BOPCol_ListIteratorOfListOfShape aIt;
//
aNb=aLV.Extent();
if (aNb) {
if (!aNb) {
return;
}
//
else if (aNb==1) {
aVnew=*((TopoDS_Vertex*)(&aLV.First()));
return;
}
//
else if (aNb==2) {
Standard_Integer m, n;
Standard_Real aR[2], dR, aD, aEps;
TopoDS_Vertex aV[2];
gp_Pnt aP[2];
BRep_Builder aBB;
//
aEps=RealEpsilon();
for (m=0; m<aNb; ++m) {
aV[m]=(!m)?
*((TopoDS_Vertex*)(&aLV.First())):
*((TopoDS_Vertex*)(&aLV.Last()));
aP[m]=BRep_Tool::Pnt(aV[m]);
aR[m]=BRep_Tool::Tolerance(aV[m]);
}
//
m=0; // max R
n=1; // min R
if (aR[0]<aR[1]) {
m=1;
n=0;
}
//
dR=aR[m]-aR[n]; // dR >= 0.
gp_Vec aVD(aP[m], aP[n]);
aD=aVD.Magnitude();
//
if (aD<=dR || aD<aEps) {
aBB.MakeVertex (aVnew, aP[m], aR[m]);
}
else {
Standard_Real aRr;
gp_XYZ aXYZr;
gp_Pnt aPr;
//
aRr=0.5*(aR[m]+aR[n]+aD);
aXYZr=0.5*(aP[m].XYZ()+aP[n].XYZ()-aVD.XYZ()*(dR/aD));
aPr.SetXYZ(aXYZr);
//
aBB.MakeVertex (aVnew, aPr, aRr);
}
return;
}// else if (aNb==2) {
//
else { // if (aNb>2)
Standard_Real aTi, aDi, aDmax;
gp_Pnt aPi, aP;
gp_XYZ aXYZ(0.,0.,0.), aXYZi;
BOPCol_ListIteratorOfListOfShape aIt;
//
aIt.Initialize(aLV);
for (; aIt.More(); aIt.Next()) {
TopoDS_Vertex& aVi=*((TopoDS_Vertex*)(&aIt.Value()));