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occt/src/BRepFilletAPI/BRepFilletAPI_MakeChamfer.cxx
jgv 1d54b80764 0028828: Modeling Algorithms - New functionalities of BRepFilletAPI_MakeChamfer algorithm 
Two new functionalities have been added in BRepFilletAPI_MakeChamfer:
- constant throat (the section of chamfer is isosceles triangle, its height is constant in all sections - this is the "throat" of the weld);
- constant throat with penetration(the section of chamfer is right-angled triangle, the first of two surfaces (where is the top of the chamfer) is virtually moved inside the solid by offset operation, the apex of the section is on the intersection curve between moved surface and second surface, right angle is at the top of the chamfer, the length of the leg from apex to top is constant - this is the "throat" of the weld).

- New abstract classes BlendFunc_GenChamfer and BlendFunc_GenChamfInv have been added;
- Class BlendFunc_Chamfer is now descended from BlendFunc_GenChamfer, class BlendFunc_ChamfInv is now descended from BlendFunc_GenChamfInv.
- New class BlendFunc_ConstThroat is descended from BlendFunc_GenChamfer, new class BlendFund_ConstThroatInv is descended from BlendFunc_GenChamfInv.
- New class BlendFunc_ConstThroatWithPenetration is descended from BlendFunc_GenChamfer, new class BlendFund_ConstThroatWithPenetrationInv is descended from BlendFunc_GenChamfInv.
- Class ChFi3d_ChBuilder has now mode of chamfer that can be ClassicChamfer, ConstThroatChamfer and ConstThroatWithPenetrationChamfer.
- Two new DRAW Test Harness commands "chamf_throat" ant "chamf_throat_with_penetration" have been added for the second mode of ChBuilder.
- The interface of DRAW Test Harness command "chamf" changed for symmetric case.
2018-11-16 19:16:05 +03:00

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// Created on: 1995-06-22
// Created by: Flore Lantheaume
// Copyright (c) 1995-1999 Matra Datavision
// Copyright (c) 1999-2014 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 <BRepFilletAPI_MakeChamfer.hxx>
#include <ChFiDS_Spine.hxx>
#include <StdFail_NotDone.hxx>
#include <TopExp_Explorer.hxx>
#include <TopoDS_Edge.hxx>
#include <TopoDS_Face.hxx>
#include <TopoDS_Shape.hxx>
#include <TopoDS_Vertex.hxx>
#include <TopOpeBRepBuild_HBuilder.hxx>
#include <TopOpeBRepDS_HDataStructure.hxx>
#include <TopTools_ListIteratorOfListOfShape.hxx>
//=======================================================================
//function : BRepFilletAPI_MakeChamfer
//purpose :
//=======================================================================
BRepFilletAPI_MakeChamfer::BRepFilletAPI_MakeChamfer(const TopoDS_Shape &S):myBuilder(S)
{
}
//=======================================================================
//function : Add
//purpose :
//=======================================================================
void BRepFilletAPI_MakeChamfer::Add(const TopoDS_Edge &E )
{
myBuilder.Add(E);
}
//=======================================================================
//function : Add
//purpose :
//=======================================================================
void BRepFilletAPI_MakeChamfer::Add(const Standard_Real Dis,
const TopoDS_Edge &E)
{
myBuilder.Add(Dis, E);
}
//=======================================================================
//function : SetDist
//purpose :
//=======================================================================
void BRepFilletAPI_MakeChamfer::SetDist(const Standard_Real Dis,
const Standard_Integer IC,
const TopoDS_Face &F)
{
myBuilder.SetDist(Dis, IC, F);
}
//=======================================================================
//function : GetDist
//purpose :
//================================================================
void BRepFilletAPI_MakeChamfer::GetDist(const Standard_Integer IC,
Standard_Real& Dis) const
{
myBuilder.GetDist(IC, Dis);
}
//=======================================================================
//function : Add
//purpose :
//=======================================================================
void BRepFilletAPI_MakeChamfer::Add(const Standard_Real Dis1,
const Standard_Real Dis2,
const TopoDS_Edge &E,
const TopoDS_Face &F)
{
myBuilder.Add(Dis1,Dis2,E,F);
}
//=======================================================================
//function : SetDists
//purpose :
//=======================================================================
void BRepFilletAPI_MakeChamfer::SetDists(const Standard_Real Dis1,
const Standard_Real Dis2,
const Standard_Integer IC,
const TopoDS_Face &F)
{
myBuilder.SetDists(Dis1,Dis2,IC,F);
}
//=======================================================================
//function : Dists
//purpose :
//================================================================
void BRepFilletAPI_MakeChamfer::Dists(const Standard_Integer IC,
Standard_Real& Dis1,
Standard_Real& Dis2) const
{
Standard_Real temp1, temp2;
myBuilder.Dists(IC,temp1,temp2);
Dis1 = temp1;
Dis2 = temp2;
}
//=======================================================================
//function : Add
//purpose :
//=======================================================================
void BRepFilletAPI_MakeChamfer::AddDA(const Standard_Real Dis,
const Standard_Real Angle,
const TopoDS_Edge &E,
const TopoDS_Face &F)
{
myBuilder.AddDA(Dis, Angle, E, F);
}
//=======================================================================
//function : SetDist
//purpose :
//=======================================================================
void BRepFilletAPI_MakeChamfer::SetDistAngle(const Standard_Real Dis,
const Standard_Real Angle,
const Standard_Integer IC,
const TopoDS_Face &F)
{
myBuilder.SetDistAngle(Dis, Angle, IC, F);
}
//=======================================================================
//function : GetDistAngle
//purpose :
//================================================================
void BRepFilletAPI_MakeChamfer::GetDistAngle(const Standard_Integer IC,
Standard_Real& Dis,
Standard_Real& Angle) const
{
myBuilder.GetDistAngle(IC, Dis, Angle);
}
//=======================================================================
//function : SetMode
//purpose :
//=======================================================================
void BRepFilletAPI_MakeChamfer::SetMode(const ChFiDS_ChamfMode theMode)
{
myBuilder.SetMode(theMode);
}
//=======================================================================
//function : IsSymetric
//purpose :
//===============================================================
Standard_Boolean BRepFilletAPI_MakeChamfer::IsSymetric(const Standard_Integer IC) const
{
ChFiDS_ChamfMethod ChamfMeth = myBuilder.IsChamfer(IC);
Standard_Boolean ret = Standard_False;
if (ChamfMeth == ChFiDS_Sym) ret = Standard_True;
return ret;
}
//=======================================================================
//function : IsTwoDistances
//purpose :
//===============================================================
Standard_Boolean BRepFilletAPI_MakeChamfer::IsTwoDistances(const Standard_Integer IC) const
{
ChFiDS_ChamfMethod ChamfMeth = myBuilder.IsChamfer(IC);
Standard_Boolean ret = Standard_False;
if (ChamfMeth == ChFiDS_TwoDist) ret = Standard_True;
return ret;
}
//=======================================================================
//function : IsDistanceAngle
//purpose :
//===============================================================
Standard_Boolean BRepFilletAPI_MakeChamfer::IsDistanceAngle(const Standard_Integer IC) const
{
ChFiDS_ChamfMethod ChamfMeth = myBuilder.IsChamfer(IC);
Standard_Boolean ret = Standard_False;
if (ChamfMeth == ChFiDS_DistAngle) ret = Standard_True;
return ret;
}
//=======================================================================
//function : ResetContour
//purpose :
//===============================================================
void BRepFilletAPI_MakeChamfer::ResetContour(const Standard_Integer IC)
{
myBuilder.ResetContour(IC);
}
//=======================================================================
//function : NbContours
//purpose :
//=======================================================================
Standard_Integer BRepFilletAPI_MakeChamfer::NbContours()const
{
return myBuilder.NbElements();
}
//=======================================================================
//function : Contour
//purpose :
//=======================================================================
Standard_Integer BRepFilletAPI_MakeChamfer::Contour(const TopoDS_Edge &E)const
{
return myBuilder.Contains(E);
}
//=======================================================================
//function : NbEdges
//purpose :
//=======================================================================
Standard_Integer BRepFilletAPI_MakeChamfer::NbEdges(const Standard_Integer I)const
{
const Handle(ChFiDS_Spine)& Spine = myBuilder.Value(I);
return (Spine->NbEdges());
}
//=======================================================================
//function : Edge
//purpose :
//=======================================================================
const TopoDS_Edge& BRepFilletAPI_MakeChamfer::Edge(const Standard_Integer I,
const Standard_Integer J)const
{
const Handle(ChFiDS_Spine)& Spine = myBuilder.Value(I);
const TopoDS_Edge& E = Spine->Edges(J);
return E;
}
//=======================================================================
//function : Remove
//purpose :
//=======================================================================
void BRepFilletAPI_MakeChamfer::Remove(const TopoDS_Edge& E)
{
myBuilder.Remove(E);
}
//=======================================================================
//function : Length
//purpose :
//=======================================================================
Standard_Real BRepFilletAPI_MakeChamfer::Length(const Standard_Integer IC)const
{
return myBuilder.Length(IC);
}
//=======================================================================
//function : FirstVertex
//purpose :
//=======================================================================
TopoDS_Vertex BRepFilletAPI_MakeChamfer::FirstVertex(const Standard_Integer IC)const
{
return myBuilder.FirstVertex(IC);
}
//=======================================================================
//function : LastVertex
//purpose :
//=======================================================================
TopoDS_Vertex BRepFilletAPI_MakeChamfer::LastVertex(const Standard_Integer IC)const
{
return myBuilder.LastVertex(IC);
}
//=======================================================================
//function : Abscissa
//purpose :
//=======================================================================
Standard_Real BRepFilletAPI_MakeChamfer::Abscissa(const Standard_Integer IC,
const TopoDS_Vertex& V)const
{
return myBuilder.Abscissa(IC,V);
}
//=======================================================================
//function : RelativeAbscissa
//purpose :
//=======================================================================
Standard_Real BRepFilletAPI_MakeChamfer::RelativeAbscissa(const Standard_Integer IC,
const TopoDS_Vertex& V)const
{
return myBuilder.RelativeAbscissa(IC,V);
}
//=======================================================================
//function : ClosedAndTangent
//purpose :
//=======================================================================
Standard_Boolean BRepFilletAPI_MakeChamfer::ClosedAndTangent
(const Standard_Integer IC)const
{
return myBuilder.ClosedAndTangent(IC);
}
//=======================================================================
//function : Closed
//purpose :
//=======================================================================
Standard_Boolean BRepFilletAPI_MakeChamfer::Closed
(const Standard_Integer IC)const
{
return myBuilder.Closed(IC);
}
//=======================================================================
//function : Builder
//purpose :
//=======================================================================
Handle(TopOpeBRepBuild_HBuilder) BRepFilletAPI_MakeChamfer::Builder()const
{
return myBuilder.Builder();
}
//=======================================================================
//function : Build
//purpose :
//=======================================================================
void BRepFilletAPI_MakeChamfer::Build()
{
myBuilder.Compute();
if (myBuilder.IsDone()){
Done();
myShape = myBuilder.Shape();
//creation of the Map.
TopExp_Explorer ex;
for (ex.Init(myShape, TopAbs_FACE); ex.More(); ex.Next()) {
myMap.Add(ex.Current());
}
}
}
//=======================================================================
//function : Reset
//purpose :
//=======================================================================
void BRepFilletAPI_MakeChamfer::Reset()
{
NotDone();
myBuilder.Reset();
myMap.Clear();
}
//=======================================================================
//function : Generated
//purpose :
//=======================================================================
const TopTools_ListOfShape& BRepFilletAPI_MakeChamfer::Generated
(const TopoDS_Shape& EorV)
{
return myBuilder.Generated(EorV);
}
//=======================================================================
//function : Modified
//purpose :
//=======================================================================
const TopTools_ListOfShape& BRepFilletAPI_MakeChamfer::Modified
(const TopoDS_Shape& F)
{
myGenerated.Clear();
if (myBuilder.Builder()->IsSplit(F, TopAbs_OUT)) {
TopTools_ListIteratorOfListOfShape It(myBuilder.Builder()->Splits(F, TopAbs_OUT));
for(;It.More();It.Next()) {
myGenerated.Append(It.Value());
}
}
if (myBuilder.Builder()->IsSplit(F, TopAbs_IN)) {
TopTools_ListIteratorOfListOfShape It(myBuilder.Builder()->Splits(F, TopAbs_IN));
for(;It.More();It.Next()) {
myGenerated.Append(It.Value());
}
}
if (myBuilder.Builder()->IsSplit(F, TopAbs_ON)) {
TopTools_ListIteratorOfListOfShape It(myBuilder.Builder()->Splits(F, TopAbs_ON));
for(;It.More();It.Next()) {
myGenerated.Append(It.Value());
}
}
return myGenerated;
}
//=======================================================================
//function : IsDeleted
//purpose :
//=======================================================================
Standard_Boolean BRepFilletAPI_MakeChamfer::IsDeleted(const TopoDS_Shape& F)
{
if (myMap.Contains(F) ||
myBuilder.Builder()->IsSplit (F, TopAbs_OUT) ||
myBuilder.Builder()->IsSplit (F, TopAbs_IN) ||
myBuilder.Builder()->IsSplit (F, TopAbs_ON))
return Standard_False;
return Standard_True;
}
//=======================================================================
//function : Simulate
//purpose :
//=======================================================================
void BRepFilletAPI_MakeChamfer::Simulate(const Standard_Integer IC)
{
myBuilder.Simulate(IC);
}
//=======================================================================
//function : NbSurf
//purpose :
//=======================================================================
Standard_Integer BRepFilletAPI_MakeChamfer::NbSurf(const Standard_Integer IC)const
{
return myBuilder.NbSurf(IC);
}
//=======================================================================
//function : Sect
//purpose :
//=======================================================================
Handle(ChFiDS_SecHArray1) BRepFilletAPI_MakeChamfer::Sect(const Standard_Integer IC,
const Standard_Integer IS)const
{
return myBuilder.Sect(IC, IS);
}
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