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occt/src/BRepAlgoAPI/BRepAlgoAPI_BuilderAlgo.cxx
2020-10-13 19:07:42 +03:00

321 lines
11 KiB
C++

// Created by: Peter KURNEV
// Copyright (c) 2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
#include <BRepAlgoAPI_BuilderAlgo.hxx>
#include <BOPAlgo_Builder.hxx>
#include <BOPAlgo_PaveFiller.hxx>
#include <BOPDS_DS.hxx>
#include <ShapeUpgrade_UnifySameDomain.hxx>
#include <TopoDS_Shape.hxx>
//=======================================================================
// function: BRepAlgoAPI_BuilderAlgo
// purpose:
//=======================================================================
BRepAlgoAPI_BuilderAlgo::BRepAlgoAPI_BuilderAlgo()
:
BRepAlgoAPI_Algo(),
myNonDestructive(Standard_False),
myGlue(BOPAlgo_GlueOff),
myCheckInverted(Standard_True),
myFillHistory(Standard_True),
myIsIntersectionNeeded(Standard_True),
myDSFiller(NULL),
myBuilder(NULL)
{}
//=======================================================================
// function: BRepAlgoAPI_BuilderAlgo
// purpose:
//=======================================================================
BRepAlgoAPI_BuilderAlgo::BRepAlgoAPI_BuilderAlgo(const BOPAlgo_PaveFiller& aPF)
:
BRepAlgoAPI_Algo(),
myNonDestructive(Standard_False),
myGlue(BOPAlgo_GlueOff),
myCheckInverted(Standard_True),
myFillHistory(Standard_True),
myIsIntersectionNeeded(Standard_False),
myBuilder(NULL)
{
myDSFiller = (BOPAlgo_PaveFiller*)&aPF;
}
//=======================================================================
// function: ~
// purpose:
//=======================================================================
BRepAlgoAPI_BuilderAlgo::~BRepAlgoAPI_BuilderAlgo()
{
Clear();
}
//=======================================================================
//function : Clear
//purpose :
//=======================================================================
void BRepAlgoAPI_BuilderAlgo::Clear()
{
BRepAlgoAPI_Algo::Clear();
if (myDSFiller && myIsIntersectionNeeded)
{
delete myDSFiller;
myDSFiller = NULL;
}
if (myBuilder)
{
delete myBuilder;
myBuilder=NULL;
}
if (myHistory)
myHistory.Nullify();
if (mySimplifierHistory)
mySimplifierHistory.Nullify();
}
//=======================================================================
//function : Build
//purpose :
//=======================================================================
void BRepAlgoAPI_BuilderAlgo::Build()
{
// Setting not done status
NotDone();
// Destroy the tools if necessary
Clear();
// If necessary perform intersection of the argument shapes
IntersectShapes(myArguments);
if (HasErrors())
return;
// Initialization of the Building tool
myBuilder = new BOPAlgo_Builder(myAllocator);
// Set arguments to builder
myBuilder->SetArguments(myArguments);
// Build the result basing on intersection results
BuildResult();
}
//=======================================================================
//function : IntersectShapes
//purpose : Intersects the given shapes with the intersection tool
//=======================================================================
void BRepAlgoAPI_BuilderAlgo::IntersectShapes(const TopTools_ListOfShape& theArgs)
{
if (!myIsIntersectionNeeded)
return;
if (myDSFiller)
delete myDSFiller;
// Create new Filler
myDSFiller = new BOPAlgo_PaveFiller(myAllocator);
// Set arguments for intersection
myDSFiller->SetArguments(theArgs);
// Set options for intersection
myDSFiller->SetRunParallel(myRunParallel);
if (myProgressScope != NULL)
{
myDSFiller->SetProgressIndicator(*myProgressScope);
}
myDSFiller->SetFuzzyValue(myFuzzyValue);
myDSFiller->SetNonDestructive(myNonDestructive);
myDSFiller->SetGlue(myGlue);
myDSFiller->SetUseOBB(myUseOBB);
// Set Face/Face intersection options to the intersection algorithm
SetAttributes();
// Perform intersection
myDSFiller->Perform();
// Check for the errors during intersection
GetReport()->Merge(myDSFiller->GetReport());
}
//=======================================================================
//function : BuildResult
//purpose : Builds the result shape
//=======================================================================
void BRepAlgoAPI_BuilderAlgo::BuildResult()
{
// Set options to the builder
myBuilder->SetRunParallel(myRunParallel);
if (myProgressScope != NULL)
{
myBuilder->SetProgressIndicator(*myProgressScope);
}
myBuilder->SetCheckInverted(myCheckInverted);
myBuilder->SetToFillHistory(myFillHistory);
// Perform building of the result with pre-calculated intersections
myBuilder->PerformWithFiller(*myDSFiller);
// Merge the warnings of the Building part
GetReport()->Merge(myBuilder->GetReport());
// Check for the errors
if (myBuilder->HasErrors())
return;
// Set done status
Done();
// Get the result shape
myShape = myBuilder->Shape();
// Fill history
if (myFillHistory)
{
myHistory = new BRepTools_History;
myHistory->Merge(myBuilder->History());
}
}
//=======================================================================
//function : SimplifyResult
//purpose :
//=======================================================================
void BRepAlgoAPI_BuilderAlgo::SimplifyResult(const Standard_Boolean theUnifyEdges,
const Standard_Boolean theUnifyFaces,
const Standard_Real theAngularTol)
{
if (HasErrors())
return;
if (!theUnifyEdges && !theUnifyFaces)
return;
// Simplification tool
ShapeUpgrade_UnifySameDomain anUnifier(myShape, theUnifyEdges, theUnifyFaces, Standard_True);
// Pass options
anUnifier.SetLinearTolerance(myFuzzyValue);
anUnifier.SetAngularTolerance(theAngularTol);
anUnifier.SetSafeInputMode(myNonDestructive);
anUnifier.AllowInternalEdges(Standard_False);
// Perform simplification
anUnifier.Build();
// Overwrite result with simplified shape
myShape = anUnifier.Shape();
// Keep simplification history
mySimplifierHistory = anUnifier.History();
if (myFillHistory)
// Merge simplification history into result history
myHistory->Merge(mySimplifierHistory);
}
//=======================================================================
//function : Modified
//purpose :
//=======================================================================
const TopTools_ListOfShape& BRepAlgoAPI_BuilderAlgo::Modified(const TopoDS_Shape& theS)
{
if (myFillHistory && myHistory)
return myHistory->Modified(theS);
myGenerated.Clear();
return myGenerated;
}
//=======================================================================
//function : Generated
//purpose :
//=======================================================================
const TopTools_ListOfShape& BRepAlgoAPI_BuilderAlgo::Generated(const TopoDS_Shape& theS)
{
if (myFillHistory && myHistory)
return myHistory->Generated(theS);
myGenerated.Clear();
return myGenerated;
}
//=======================================================================
//function : IsDeleted
//purpose :
//=======================================================================
Standard_Boolean BRepAlgoAPI_BuilderAlgo::IsDeleted(const TopoDS_Shape& theS)
{
return (myFillHistory && myHistory ? myHistory->IsRemoved(theS) : Standard_False);
}
//=======================================================================
//function : HasModified
//purpose :
//=======================================================================
Standard_Boolean BRepAlgoAPI_BuilderAlgo::HasModified() const
{
return (myFillHistory && myHistory ? myHistory->HasModified() : Standard_False);
}
//=======================================================================
//function : HasGenerated
//purpose :
//=======================================================================
Standard_Boolean BRepAlgoAPI_BuilderAlgo::HasGenerated() const
{
return (myFillHistory && myHistory ? myHistory->HasGenerated() : Standard_False);
}
//=======================================================================
//function : HasDeleted
//purpose :
//=======================================================================
Standard_Boolean BRepAlgoAPI_BuilderAlgo::HasDeleted() const
{
return (myFillHistory && myHistory ? myHistory->HasRemoved() : Standard_False);
}
//=======================================================================
//function : SectionEdges
//purpose :
//=======================================================================
const TopTools_ListOfShape& BRepAlgoAPI_BuilderAlgo::SectionEdges()
{
myGenerated.Clear();
if (myBuilder == NULL)
return myGenerated;
// Fence map to avoid duplicated section edges in the result list
TopTools_MapOfShape aMFence;
// Intersection results
const BOPDS_PDS& pDS = myDSFiller->PDS();
// Iterate on all Face/Face interferences and take section edges
BOPDS_VectorOfInterfFF& aFFs = pDS->InterfFF();
const Standard_Integer aNbFF = aFFs.Length();
for (Standard_Integer i = 0; i < aNbFF; ++i)
{
BOPDS_InterfFF& aFFi = aFFs(i);
// Section curves between pair of faces
const BOPDS_VectorOfCurve& aSectionCurves = aFFi.Curves();
const Standard_Integer aNbC = aSectionCurves.Length();
for (Standard_Integer j = 0; j < aNbC; ++j)
{
const BOPDS_Curve& aCurve = aSectionCurves(j);
// Section edges created from the curve
const BOPDS_ListOfPaveBlock& aSectionEdges = aCurve.PaveBlocks();
BOPDS_ListIteratorOfListOfPaveBlock aItPB(aSectionEdges);
for (; aItPB.More(); aItPB.Next())
{
const Handle(BOPDS_PaveBlock)& aPB = aItPB.Value();
const TopoDS_Shape& aSE = pDS->Shape(aPB->Edge());
if (!aMFence.Add(aSE))
continue;
// Take into account simplification of the result shape
if (mySimplifierHistory)
{
if (mySimplifierHistory->IsRemoved(aSE))
continue;
const TopTools_ListOfShape& aLSEIm = mySimplifierHistory->Modified(aSE);
if (!aLSEIm.IsEmpty())
{
TopTools_ListIteratorOfListOfShape aItLEIm(aLSEIm);
for (; aItLEIm.More(); aItLEIm.Next())
{
if (aMFence.Add(aItLEIm.Value()))
myGenerated.Append(aItLEIm.Value());
}
}
else
myGenerated.Append(aSE);
}
else
myGenerated.Append(aSE);
}
}
}
return myGenerated;
}