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geom/src/GEOMImpl/GEOMImpl_ChamferDriver.cxx

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// Copyright (C) 2007-2011 CEA/DEN, EDF R&D, OPEN CASCADE
//
// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
#include <Standard_Stream.hxx>
#include <GEOMImpl_ChamferDriver.hxx>
#include <GEOMImpl_IChamfer.hxx>
#include <GEOMImpl_Types.hxx>
#include <GEOMImpl_ILocalOperations.hxx>
#include <GEOMImpl_Block6Explorer.hxx>
#include <GEOM_Function.hxx>
#include <BRepLib.hxx>
#include <BRep_Tool.hxx>
#include <BRepTools.hxx>
#include <BRepFilletAPI_MakeChamfer.hxx>
#include <ShapeFix_Shape.hxx>
#include <ShapeFix_ShapeTolerance.hxx>
#include <TopAbs.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Edge.hxx>
#include <TopoDS_Face.hxx>
#include <TopoDS_Shape.hxx>
#include <TopoDS_Iterator.hxx>
#include <TopExp.hxx>
#include <TopExp_Explorer.hxx>
#include <TopTools_MapOfShape.hxx>
#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
#include <Precision.hxx>
#include <gp_Pnt.hxx>
#include <StdFail_NotDone.hxx>
//=======================================================================
//function : GetID
//purpose :
//=======================================================================
const Standard_GUID& GEOMImpl_ChamferDriver::GetID()
{
static Standard_GUID aChamferDriver("FF1BBB42-5D14-4df2-980B-3A668264EA16");
return aChamferDriver;
}
//=======================================================================
//function : GEOMImpl_ChamferDriver
//purpose :
//=======================================================================
GEOMImpl_ChamferDriver::GEOMImpl_ChamferDriver()
{
}
//=======================================================================
//function : isGoodForChamfer
//purpose :
//=======================================================================
static Standard_Boolean isGoodForChamfer (const TopoDS_Shape& theShape)
{
if (theShape.ShapeType() == TopAbs_SHELL ||
theShape.ShapeType() == TopAbs_SOLID ||
theShape.ShapeType() == TopAbs_COMPSOLID) {
return Standard_True;
}
if (theShape.ShapeType() == TopAbs_COMPOUND) {
TopTools_MapOfShape mapShape;
TopoDS_Iterator It (theShape, Standard_False, Standard_False);
for (; It.More(); It.Next()) {
if (mapShape.Add(It.Value())) {
if (!isGoodForChamfer(It.Value())) {
return Standard_False;
}
}
}
return Standard_True;
}
return Standard_False;
}
//=======================================================================
//function : Execute
//purpose :
//=======================================================================
Standard_Integer GEOMImpl_ChamferDriver::Execute(TFunction_Logbook& log) const
{
if (Label().IsNull()) return 0;
Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
GEOMImpl_IChamfer aCI (aFunction);
Standard_Integer aType = aFunction->GetType();
TopoDS_Shape aShape;
Handle(GEOM_Function) aRefShape = aCI.GetShape();
TopoDS_Shape aShapeBase = aRefShape->GetValue();
// Check the shape type. It have to be shell
// or solid, or compsolid, or compound of these shapes.
if (!isGoodForChamfer(aShapeBase)) {
StdFail_NotDone::Raise
("Wrong shape. Must be shell or solid, or compsolid or compound of these shapes");
}
BRepFilletAPI_MakeChamfer fill (aShapeBase);
if (aType == CHAMFER_SHAPE_ALL) {
// symmetric chamfer on all edges
double aD = aCI.GetD();
TopTools_IndexedDataMapOfShapeListOfShape M;
GEOMImpl_Block6Explorer::MapShapesAndAncestors(aShapeBase, TopAbs_EDGE, TopAbs_FACE, M);
for (int i = 1; i <= M.Extent(); i++) {
TopoDS_Edge E = TopoDS::Edge(M.FindKey(i));
TopoDS_Face F = TopoDS::Face(M.FindFromIndex(i).First());
if (!BRepTools::IsReallyClosed(E, F) &&
!BRep_Tool::Degenerated(E) &&
M.FindFromIndex(i).Extent() == 2)
fill.Add(aD, E, F);
}
}
else if (aType == CHAMFER_SHAPE_EDGE || aType == CHAMFER_SHAPE_EDGE_AD) {
// chamfer on edges, common to two faces, with D1 on the first face
TopoDS_Shape aFace1, aFace2;
if (GEOMImpl_ILocalOperations::GetSubShape(aShapeBase, aCI.GetFace1(), aFace1) &&
GEOMImpl_ILocalOperations::GetSubShape(aShapeBase, aCI.GetFace2(), aFace2))
{
TopoDS_Face F = TopoDS::Face(aFace1);
// fill map of edges of the second face
TopTools_MapOfShape aMap;
TopExp_Explorer Exp2 (aFace2, TopAbs_EDGE);
for (; Exp2.More(); Exp2.Next()) {
aMap.Add(Exp2.Current());
}
// find edges of the first face, common with the second face
TopExp_Explorer Exp (aFace1, TopAbs_EDGE);
for (; Exp.More(); Exp.Next()) {
if (aMap.Contains(Exp.Current())) {
TopoDS_Edge E = TopoDS::Edge(Exp.Current());
if (!BRepTools::IsReallyClosed(E, F) && !BRep_Tool::Degenerated(E))
{
if ( aType == CHAMFER_SHAPE_EDGE )
{
double aD1 = aCI.GetD1();
double aD2 = aCI.GetD2();
fill.Add(aD1, aD2, E, F);
}
else
{
double aD = aCI.GetD();
double anAngle = aCI.GetAngle();
if ( (anAngle > 0) && (anAngle < (M_PI/2.)) )
fill.AddDA(aD, anAngle, E, F);
}
}
}
}
}
}
else if (aType == CHAMFER_SHAPE_FACES || aType == CHAMFER_SHAPE_FACES_AD) {
// chamfer on all edges of the selected faces, with D1 on the selected face
// (on first selected face, if the edge belongs to two selected faces)
int aLen = aCI.GetLength();
int ind = 1;
TopTools_MapOfShape aMap;
TopTools_IndexedDataMapOfShapeListOfShape M;
GEOMImpl_Block6Explorer::MapShapesAndAncestors(aShapeBase, TopAbs_EDGE, TopAbs_FACE, M);
for (; ind <= aLen; ind++)
{
TopoDS_Shape aShapeFace;
if (GEOMImpl_ILocalOperations::GetSubShape(aShapeBase, aCI.GetFace(ind), aShapeFace))
{
TopoDS_Face F = TopoDS::Face(aShapeFace);
TopExp_Explorer Exp (F, TopAbs_EDGE);
for (; Exp.More(); Exp.Next()) {
if (!aMap.Contains(Exp.Current()))
{
TopoDS_Edge E = TopoDS::Edge(Exp.Current());
if (!BRepTools::IsReallyClosed(E, F) &&
!BRep_Tool::Degenerated(E) &&
M.FindFromKey(E).Extent() == 2)
{
if (aType == CHAMFER_SHAPE_FACES)
{
double aD1 = aCI.GetD1();
double aD2 = aCI.GetD2();
fill.Add(aD1, aD2, E, F);
}
else
{
double aD = aCI.GetD();
double anAngle = aCI.GetAngle();
if ( (anAngle > 0) && (anAngle < (M_PI/2.)) )
fill.AddDA(aD, anAngle, E, F);
}
}
}
}
}
}
}
else if (aType == CHAMFER_SHAPE_EDGES || aType == CHAMFER_SHAPE_EDGES_AD)
{
// chamfer on selected edges with lenght param D1 & D2.
int aLen = aCI.GetLength();
int ind = 1;
TopTools_MapOfShape aMap;
TopTools_IndexedDataMapOfShapeListOfShape M;
GEOMImpl_Block6Explorer::MapShapesAndAncestors(aShapeBase, TopAbs_EDGE, TopAbs_FACE, M);
for (; ind <= aLen; ind++)
{
TopoDS_Shape aShapeEdge;
if (GEOMImpl_ILocalOperations::GetSubShape(aShapeBase, aCI.GetEdge(ind), aShapeEdge))
{
TopoDS_Edge E = TopoDS::Edge(aShapeEdge);
const TopTools_ListOfShape& aFacesList = M.FindFromKey(E);
TopoDS_Face F = TopoDS::Face( aFacesList.First() );
if (aType == CHAMFER_SHAPE_EDGES)
{
double aD1 = aCI.GetD1();
double aD2 = aCI.GetD2();
fill.Add(aD1, aD2, E, F);
}
else
{
double aD = aCI.GetD();
double anAngle = aCI.GetAngle();
if ( (anAngle > 0) && (anAngle < (M_PI/2.)) )
fill.AddDA(aD, anAngle, E, F);
}
}
}
}
else {
}
fill.Build();
if (!fill.IsDone()) {
StdFail_NotDone::Raise("Chamfer can not be computed on the given shape with the given parameters");
}
aShape = fill.Shape();
if (aShape.IsNull()) return 0;
// reduce tolerances
ShapeFix_ShapeTolerance aSFT;
aSFT.LimitTolerance(aShape, Precision::Confusion(),
Precision::Confusion(), TopAbs_SHAPE);
Handle(ShapeFix_Shape) aSfs = new ShapeFix_Shape(aShape);
aSfs->Perform();
aShape = aSfs->Shape();
// fix SameParameter flag
BRepLib::SameParameter(aShape, 1.E-5, Standard_True);
aFunction->SetValue(aShape);
log.SetTouched(Label());
return 1;
}
//=======================================================================
//function : GEOMImpl_ChamferDriver_Type_
//purpose :
//=======================================================================
Standard_EXPORT Handle_Standard_Type& GEOMImpl_ChamferDriver_Type_()
{
static Handle_Standard_Type aType1 = STANDARD_TYPE(TFunction_Driver);
if ( aType1.IsNull()) aType1 = STANDARD_TYPE(TFunction_Driver);
static Handle_Standard_Type aType2 = STANDARD_TYPE(MMgt_TShared);
if ( aType2.IsNull()) aType2 = STANDARD_TYPE(MMgt_TShared);
static Handle_Standard_Type aType3 = STANDARD_TYPE(Standard_Transient);
if ( aType3.IsNull()) aType3 = STANDARD_TYPE(Standard_Transient);
static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL};
static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_ChamferDriver",
sizeof(GEOMImpl_ChamferDriver),
1,
(Standard_Address)_Ancestors,
(Standard_Address)NULL);
return _aType;
}
//=======================================================================
//function : DownCast
//purpose :
//=======================================================================
const Handle(GEOMImpl_ChamferDriver) Handle(GEOMImpl_ChamferDriver)::DownCast(const Handle(Standard_Transient)& AnObject)
{
Handle(GEOMImpl_ChamferDriver) _anOtherObject;
if (!AnObject.IsNull()) {
if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_ChamferDriver))) {
_anOtherObject = Handle(GEOMImpl_ChamferDriver)((Handle(GEOMImpl_ChamferDriver)&)AnObject);
}
}
return _anOtherObject;
}
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