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0022258: [CEA 897] Bug in boolean operations on spheres external layer

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Additional check of arguments of boolean operations is added to avoid passing self-intersted objects to BOP
This commit is contained in:
vsr 2013-10-04 14:29:52 +00:00
parent 37c62a48b4
commit 437cd1debd
1 changed files with 87 additions and 18 deletions
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105
src/GEOMImpl/GEOMImpl_BooleanDriver.cxx
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@ -39,6 +39,8 @@
#include <BRepAlgoAPI_Fuse.hxx>
#include <BRepAlgoAPI_Section.hxx>
#include <BRepCheck_Analyzer.hxx>
#include <BOPAlgo_CheckerSI.hxx>
#include <BOPDS_DS.hxx>
#include <TopExp_Explorer.hxx>
#include <TopoDS_Compound.hxx>
@ -54,6 +56,13 @@
#include <Standard_ConstructionError.hxx>
#include <StdFail_NotDone.hxx>
// Comment next macro in order to avoid check of boolean operations arguments for self-intersections
#define BOP_CHECK_SELF_INTERSECTIONS
// Depth of self-intersection check (see BOPAlgo_CheckerSI::SetLevelOfCheck() for more details)
// Default value for BOPAlgo_CheckerSI gives very long computation when checking face-to-face intersections;
// here check level is decreased to more appropriate value to avoid problems with performance).
#define BOP_SELF_INTERSECTIONS_LEVEL 4
//=======================================================================
//function : GetID
//purpose :
@ -106,6 +115,22 @@ Standard_Integer GEOMImpl_BooleanDriver::Execute (TFunction_Logbook& log) const
if (!ana.IsValid())
StdFail_NotDone::Raise("Boolean operation will not be performed, because argument shape is not valid");
#ifdef BOP_CHECK_SELF_INTERSECTIONS
BOPAlgo_CheckerSI aCSI; // checker of self-interferences
aCSI.SetLevelOfCheck(BOP_SELF_INTERSECTIONS_LEVEL);
BOPCol_ListOfShape aList1, aList2;
aList1.Append(aShape1);
aList2.Append(aShape2);
aCSI.SetArguments(aList1);
aCSI.Perform();
if (aCSI.ErrorStatus() || aCSI.DS().Interferences().Extent() > 0)
StdFail_NotDone::Raise("Boolean operation will not be performed, because argument shape is self-intersected");
aCSI.SetArguments(aList2);
aCSI.Perform();
if (aCSI.ErrorStatus() || aCSI.DS().Interferences().Extent() > 0)
StdFail_NotDone::Raise("Boolean operation will not be performed, because argument shape is self-intersected");
#endif
aShape = performOperation (aShape1, aShape2, aType);
if (aShape.IsNull())
@ -127,30 +152,51 @@ Standard_Integer GEOMImpl_BooleanDriver::Execute (TFunction_Logbook& log) const
if (nbShapes > 0) {
aRefShape = Handle(GEOM_Function)::DownCast(aShapes->Value(1));
aShape = aRefShape->GetValue();
if (!aShape.IsNull()) {
BRepCheck_Analyzer anAna (aShape, Standard_True);
#ifdef BOP_CHECK_SELF_INTERSECTIONS
BOPAlgo_CheckerSI aCSI; // checker of self-interferences
aCSI.SetLevelOfCheck(BOP_SELF_INTERSECTIONS_LEVEL);
#endif
if (!anAna.IsValid()) {
StdFail_NotDone::Raise("Boolean operation will not be performed, because argument shape is not valid");
}
#ifdef BOP_CHECK_SELF_INTERSECTIONS
BOPCol_ListOfShape aList1;
aList1.Append(aShape);
aCSI.SetArguments(aList1);
aCSI.Perform();
if (aCSI.ErrorStatus() || aCSI.DS().Interferences().Extent() > 0) {
StdFail_NotDone::Raise("Boolean operation will not be performed, because argument shape is self-intersected");
}
#endif
for (i = 2; i <= nbShapes; i++) {
aRefShape = Handle(GEOM_Function)::DownCast(aShapes->Value(i));
aShape2 = aRefShape->GetValue();
anAna.Init(aShape2);
if (!anAna.IsValid()) {
StdFail_NotDone::Raise("Boolean operation will not be performed, because argument shape is not valid");
}
aShape = performOperation (aShape, aShape2, aSimpleType);
if (aShape.IsNull()) {
return 0;
}
}
}
aRefShape = Handle(GEOM_Function)::DownCast(aShapes->Value(i));
aShape2 = aRefShape->GetValue();
anAna.Init(aShape2);
if (!anAna.IsValid()) {
StdFail_NotDone::Raise("Boolean operation will not be performed, because argument shape is not valid");
}
#ifdef BOP_CHECK_SELF_INTERSECTIONS
BOPCol_ListOfShape aList2;
aList2.Append(aShape2);
aCSI.SetArguments(aList2);
aCSI.Perform();
if (aCSI.ErrorStatus() || aCSI.DS().Interferences().Extent() > 0) {
StdFail_NotDone::Raise("Boolean operation will not be performed, because argument shape is self-intersected");
}
#endif
aShape = performOperation (aShape, aShape2, aSimpleType);
if (aShape.IsNull()) {
return 0;
}
}
}
}
}
break;
@ -163,11 +209,24 @@ Standard_Integer GEOMImpl_BooleanDriver::Execute (TFunction_Logbook& log) const
if (!aShape.IsNull()) {
// check arguments for Mantis issue 0021019
BRepCheck_Analyzer anAna (aShape, Standard_True);
#ifdef BOP_CHECK_SELF_INTERSECTIONS
BOPAlgo_CheckerSI aCSI; // checker of self-interferences
aCSI.SetLevelOfCheck(BOP_SELF_INTERSECTIONS_LEVEL);
#endif
if (!anAna.IsValid()) {
StdFail_NotDone::Raise("Boolean operation will not be performed, because argument shape is not valid");
}
#ifdef BOP_CHECK_SELF_INTERSECTIONS
BOPCol_ListOfShape aList1;
aList1.Append(aShape);
aCSI.SetArguments(aList1);
aCSI.Perform();
if (aCSI.ErrorStatus() || aCSI.DS().Interferences().Extent() > 0) {
StdFail_NotDone::Raise("Boolean operation will not be performed, because argument shape is self-intersected");
}
#endif
Handle(TColStd_HSequenceOfTransient) aTools = aCI.GetShapes();
const Standard_Integer nbShapes = aTools->Length();
Standard_Integer i;
@ -183,6 +242,16 @@ Standard_Integer GEOMImpl_BooleanDriver::Execute (TFunction_Logbook& log) const
StdFail_NotDone::Raise("Boolean operation will not be performed, because argument shape is not valid");
}
#ifdef BOP_CHECK_SELF_INTERSECTIONS
BOPCol_ListOfShape aList2;
aList2.Append(aTool);
aCSI.SetArguments(aList2);
aCSI.Perform();
if (aCSI.ErrorStatus() || aCSI.DS().Interferences().Extent() > 0) {
StdFail_NotDone::Raise("Boolean operation will not be performed, because argument shape is self-intersected");
}
#endif
aShape = performOperation (aShape, aTool, BOOLEAN_CUT);
if (aShape.IsNull()) {