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173 lines
6.5 KiB
C++
Executable File
173 lines
6.5 KiB
C++
Executable File
// Created on: 1993-06-01
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// Created by: Didier PIFFAULT
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// Copyright (c) 1993-1999 Matra Datavision
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// Copyright (c) 1999-2012 OPEN CASCADE SAS
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//
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// The content of this file is subject to the Open CASCADE Technology Public
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// License Version 6.5 (the "License"). You may not use the content of this file
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// except in compliance with the License. Please obtain a copy of the License
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// at http://www.opencascade.org and read it completely before using this file.
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//
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// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
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// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
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//
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// The Original Code and all software distributed under the License is
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// distributed on an "AS IS" basis, without warranty of any kind, and the
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// Initial Developer hereby disclaims all such warranties, including without
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// limitation, any warranties of merchantability, fitness for a particular
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// purpose or non-infringement. Please see the License for the specific terms
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// and conditions governing the rights and limitations under the License.
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#include <BRepMesh_SelectorOfDataStructureOfDelaun.ixx>
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#include <BRepMesh_PairOfIndex.hxx>
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//=======================================================================
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//function : BRepMesh_SelectorOfDataStructureOfDelaun
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//purpose :
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//=======================================================================
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BRepMesh_SelectorOfDataStructureOfDelaun::BRepMesh_SelectorOfDataStructureOfDelaun()
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: myNodes(10, new NCollection_IncAllocator),
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myLinks(10, new NCollection_IncAllocator),
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myElements(10, new NCollection_IncAllocator),
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myFrontier(10, new NCollection_IncAllocator)
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{}
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BRepMesh_SelectorOfDataStructureOfDelaun::BRepMesh_SelectorOfDataStructureOfDelaun(const Handle(BRepMesh_DataStructureOfDelaun)& theMesh)
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: myMesh(theMesh),
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myNodes(10, myMesh->Allocator()),
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myLinks(10, myMesh->Allocator()),
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myElements(10, myMesh->Allocator()),
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myFrontier(10, myMesh->Allocator())
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{}
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void BRepMesh_SelectorOfDataStructureOfDelaun::Initialize(const Handle(BRepMesh_DataStructureOfDelaun)& theMesh)
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{
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myMesh=theMesh;
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myNodes.Clear();
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myLinks.Clear();
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myElements.Clear();
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myFrontier.Clear();
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}
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//=======================================================================
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//function : NeighboursOfNode
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//purpose :
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//=======================================================================
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void BRepMesh_SelectorOfDataStructureOfDelaun::NeighboursOf(const BRepMesh_Vertex& theNode)
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{
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NeighboursOfNode(myMesh->IndexOf(theNode));
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}
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void BRepMesh_SelectorOfDataStructureOfDelaun::NeighboursOfNode(const Standard_Integer indexNode)
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{
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BRepMesh_ListOfInteger::Iterator itL(myMesh->LinkNeighboursOf(indexNode));
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for (; itL.More(); itL.Next()) {
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const BRepMesh_PairOfIndex& aPair = myMesh->ElemConnectedTo(itL.Value());
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for(Standard_Integer j = 1, jn = aPair.Extent(); j <= jn; j++)
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myElements.Add(aPair.Index(j));
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}
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}
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//=======================================================================
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//function : NeighboursOfLink
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//purpose :
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//=======================================================================
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void BRepMesh_SelectorOfDataStructureOfDelaun::NeighboursOf(const BRepMesh_Edge& theLink)
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{
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NeighboursOfNode(theLink.FirstNode());
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NeighboursOfNode(theLink.LastNode());
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}
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void BRepMesh_SelectorOfDataStructureOfDelaun::NeighboursOfLink(const Standard_Integer indexLink)
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{
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NeighboursOf(myMesh->GetLink(indexLink));
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}
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//=======================================================================
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//function : NeighboursOfElement
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//purpose : by edge and by vertices
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//=======================================================================
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void BRepMesh_SelectorOfDataStructureOfDelaun::NeighboursOf(const BRepMesh_Triangle& theElem)
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{
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Standard_Integer v1, v2, v3, ev;
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Standard_Boolean o1, o2, o3;
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theElem.Edges(v1, v3, ev, o1, o2, o3);
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v2=myMesh->GetLink(v1).LastNode();
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v1=myMesh->GetLink(v1).FirstNode();
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ev=myMesh->GetLink(v3).LastNode();
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if (v1!=ev && v2!=ev) v3=ev;
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else v3=myMesh->GetLink(v3).FirstNode();
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NeighboursOfNode(v1);
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NeighboursOfNode(v2);
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NeighboursOfNode(v3);
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}
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void BRepMesh_SelectorOfDataStructureOfDelaun::NeighboursOfElement(const Standard_Integer indexElem)
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{
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NeighboursOf(myMesh->GetElement(indexElem));
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}
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//=======================================================================
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//function : NeighboursByEdgeOf
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//purpose : Neighbours Of an element only by edge
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//=======================================================================
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void BRepMesh_SelectorOfDataStructureOfDelaun::NeighboursByEdgeOf(const BRepMesh_Triangle& theElem)
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{
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Standard_Integer e[3], iEd;
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Standard_Boolean o1, o2, o3;
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theElem.Edges(e[0], e[1], e[2], o1, o2, o3);
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for (iEd=0; iEd<3; iEd++) {
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const BRepMesh_PairOfIndex& aPair = myMesh->ElemConnectedTo(e[iEd]);
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for(Standard_Integer j = 1, jn = aPair.Extent(); j <= jn; j++)
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myElements.Add(aPair.Index(j));
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}
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}
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//=======================================================================
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//function : NeighboursOfSelector
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//purpose :
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//=======================================================================
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void BRepMesh_SelectorOfDataStructureOfDelaun::NeighboursOf(const BRepMesh_SelectorOfDataStructureOfDelaun& /*theSelector*/)
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{}
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//=======================================================================
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//function : AddNeighbours
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//purpose :
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//=======================================================================
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void BRepMesh_SelectorOfDataStructureOfDelaun::AddNeighbours()
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{}
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//=======================================================================
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//function : Nodes
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//purpose :
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//=======================================================================
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const BRepMesh_MapOfInteger& BRepMesh_SelectorOfDataStructureOfDelaun::Nodes()const
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{return myNodes;}
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//=======================================================================
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//function : Links
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//purpose :
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//=======================================================================
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const BRepMesh_MapOfInteger& BRepMesh_SelectorOfDataStructureOfDelaun::Links()const
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{return myLinks;}
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//=======================================================================
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//function : Elements
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//purpose :
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//=======================================================================
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const BRepMesh_MapOfInteger& BRepMesh_SelectorOfDataStructureOfDelaun::Elements()const
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{return myElements;}
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//=======================================================================
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//function : FrontierLinks
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//purpose :
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//=======================================================================
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const BRepMesh_MapOfInteger& BRepMesh_SelectorOfDataStructureOfDelaun::FrontierLinks()const
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{return myFrontier;}
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