geom/src/BlockFix/BlockFix_PeriodicSurfaceModifier.cxx
2020-04-15 16:11:04 +03:00

259 lines
9.8 KiB
C++

// Copyright (C) 2007-2020 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, or (at your option) any later version.
//
// 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
//
// File: BlockFix_PeriodicSurfaceModifier.cxx
// Created: 15.12.04 10:08:50
// Author: Sergey KUUL
#include <BlockFix_PeriodicSurfaceModifier.hxx>
#include <ShapeFix_Edge.hxx>
#include <TopExp.hxx>
#include <TopoDS_Edge.hxx>
#include <TopoDS_Face.hxx>
#include <TopoDS_Vertex.hxx>
#include <TopLoc_Location.hxx>
#include <BRep_Builder.hxx>
#include <BRep_Tool.hxx>
#include <BRepTools.hxx>
#include <Geom_CylindricalSurface.hxx>
#include <Geom_SphericalSurface.hxx>
#include <Geom_Surface.hxx>
#include <Geom_Curve.hxx>
#include <Geom2d_Curve.hxx>
#include <gp_Pnt.hxx>
IMPLEMENT_STANDARD_RTTIEXT(BlockFix_PeriodicSurfaceModifier, BRepTools_Modification);
//=======================================================================
//function : BlockFix_PeriodicSurfaceModifier()
//purpose : Constructor
//=======================================================================
BlockFix_PeriodicSurfaceModifier::BlockFix_PeriodicSurfaceModifier()
{
myMapOfFaces.Clear();
myMapOfSurfaces.Clear();
}
//=======================================================================
//function : ~BlockFix_PeriodicSurfaceModifier()
//purpose : Destructor
//=======================================================================
BlockFix_PeriodicSurfaceModifier::~BlockFix_PeriodicSurfaceModifier()
{
}
//=======================================================================
//function : SetTolerance
//purpose :
//=======================================================================
void BlockFix_PeriodicSurfaceModifier::SetTolerance(const Standard_Real Tol)
{
myTolerance = Tol;
}
//=======================================================================
//function : ModifySurface
//purpose : auxiliary
//=======================================================================
static Standard_Boolean ModifySurface(const TopoDS_Face& aFace,
const Handle(Geom_Surface)& aSurface,
Handle(Geom_Surface)& aNewSurface)
{
Handle(Geom_Surface) S = aSurface;
if(S->IsKind(STANDARD_TYPE(Geom_CylindricalSurface))) {
Handle(Geom_CylindricalSurface) aCyl =
Handle(Geom_CylindricalSurface)::DownCast(S);
Standard_Real Umin, Umax, Vmin, Vmax;
BRepTools::UVBounds(aFace, Umin, Umax, Vmin, Vmax);
if (Umin < -Precision::PConfusion() || Umax > 2*M_PI + Precision::PConfusion()) {
gp_Ax3 ax3 = aCyl->Position();
gp_Ax1 NDir = ax3.Axis();
gp_Ax3 newax3 = ax3.Rotated(NDir,Umin-Precision::PConfusion());
Handle(Geom_CylindricalSurface) aNewCyl =
new Geom_CylindricalSurface(newax3,aCyl->Radius());
aNewSurface = aNewCyl;
return Standard_True;
}
}
if(S->IsKind(STANDARD_TYPE(Geom_SphericalSurface))) {
Handle(Geom_SphericalSurface) aSphere = Handle(Geom_SphericalSurface)::DownCast(S);
Standard_Real Umin, Umax, Vmin, Vmax;
BRepTools::UVBounds(aFace, Umin, Umax, Vmin, Vmax);
if (Umin < -Precision::PConfusion() || Umax > 2*M_PI + Precision::PConfusion()) {
gp_Ax3 ax3 = aSphere->Position();
gp_Ax1 NDir = ax3.Axis();
gp_Ax3 newax3 = ax3.Rotated(NDir,Umin-Precision::PConfusion());
Handle(Geom_SphericalSurface) aNewSphere = new Geom_SphericalSurface(newax3,aSphere->Radius());
aNewSurface = aNewSphere;
return Standard_True;
}
}
return Standard_False;
}
//=======================================================================
//function : NewSurface
//purpose :
//=======================================================================
Standard_Boolean BlockFix_PeriodicSurfaceModifier::NewSurface(const TopoDS_Face& F,
Handle(Geom_Surface)& S,
TopLoc_Location& L,Standard_Real& Tol,
Standard_Boolean& RevWires,
Standard_Boolean& RevFace)
{
TopLoc_Location LS;
Handle(Geom_Surface) SIni = BRep_Tool::Surface(F, LS);
if(ModifySurface(F, SIni, S)) {
RevWires = Standard_False;
RevFace = Standard_False;
L = LS;
Tol = BRep_Tool::Tolerance(F);
Standard_Integer anIndex = myMapOfSurfaces.Add(S);
myMapOfFaces.Bind(F,anIndex);
return Standard_True;
}
return Standard_False;
}
//=======================================================================
//function : NewCurve
//purpose :
//=======================================================================
Standard_Boolean BlockFix_PeriodicSurfaceModifier::NewCurve(const TopoDS_Edge& /*E*/,
Handle(Geom_Curve)& /*C*/,
TopLoc_Location& /*L*/,
Standard_Real& /*Tol*/)
{
return Standard_False;
}
//=======================================================================
//function : NewPoint
//purpose :
//=======================================================================
Standard_Boolean BlockFix_PeriodicSurfaceModifier::NewPoint(const TopoDS_Vertex& /*V*/,
gp_Pnt& /*P*/,
Standard_Real& /*Tol*/)
{
return Standard_False;
}
//=======================================================================
//function : NewCurve2d
//purpose :
//=======================================================================
Standard_Boolean BlockFix_PeriodicSurfaceModifier::NewCurve2d(const TopoDS_Edge& E,
const TopoDS_Face& F,
const TopoDS_Edge& /*NewE*/,
const TopoDS_Face& /*NewF*/,
Handle(Geom2d_Curve)& C,
Standard_Real& Tol)
{
//check if undelying surface of the face was modified
if(myMapOfFaces.IsBound(F)) {
Standard_Integer anIndex = myMapOfFaces.Find(F);
Handle(Geom_Surface) aNewSurf = Handle(Geom_Surface)::DownCast(myMapOfSurfaces.FindKey(anIndex));
Standard_Real f,l;
TopLoc_Location LC, LS;
Handle(Geom_Curve) C3d = BRep_Tool::Curve ( E, LC, f, l );
Handle(Geom_Surface) S = BRep_Tool::Surface(F, LS);
//taking into account the orientation of the seam
C = BRep_Tool::CurveOnSurface(E,F,f,l);
Tol = BRep_Tool::Tolerance(E);
BRep_Builder B;
TopoDS_Edge TempE;
B.MakeEdge(TempE);
B.Add(TempE, TopExp::FirstVertex(E));
B.Add(TempE, TopExp::LastVertex(E));
if(!C3d.IsNull())
B.UpdateEdge(TempE, Handle(Geom_Curve)::DownCast(C3d->Transformed(LC.Transformation())), Precision::Confusion());
B.Range(TempE, f, l);
Handle(ShapeFix_Edge) sfe = new ShapeFix_Edge;
Handle(Geom_Surface) STemp = Handle(Geom_Surface)::DownCast(aNewSurf->Transformed(LS.Transformation()));
TopLoc_Location LTemp;
LTemp.Identity();
Standard_Boolean isClosed = BRep_Tool::IsClosed (E, F);
Standard_Real aWorkTol = 2*myTolerance+Tol;
sfe->FixAddPCurve(TempE, STemp, LTemp, isClosed, Max(Precision::Confusion(), aWorkTol));
sfe->FixSameParameter(TempE);
//keep the orientation of original edge
TempE.Orientation(E.Orientation());
C = BRep_Tool::CurveOnSurface(TempE, STemp, LTemp, f, l);
//surface was modified
return Standard_True;
}
return Standard_False;
}
//=======================================================================
//function : NewParameter
//purpose :
//=======================================================================
Standard_Boolean BlockFix_PeriodicSurfaceModifier::NewParameter(const TopoDS_Vertex& /*V*/,
const TopoDS_Edge& /*E*/,
Standard_Real& /*P*/,
Standard_Real& /*Tol*/)
{
return Standard_False;
}
//=======================================================================
//function : Continuity
//purpose :
//=======================================================================
GeomAbs_Shape BlockFix_PeriodicSurfaceModifier::Continuity(const TopoDS_Edge& E,
const TopoDS_Face& F1,
const TopoDS_Face& F2,
const TopoDS_Edge& /*NewE*/,
const TopoDS_Face& /*NewF1*/,
const TopoDS_Face& /*NewF2*/)
{
return BRep_Tool::Continuity(E,F1,F2);
}