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occt/src/ChFiKPart/ChFiKPart_ComputeData_FilPlnCyl.cxx
abv 42cf5bc1ca 0024002: Overall code and build procedure refactoring -- automatic
Automatic upgrade of OCCT code by command "occt_upgrade . -nocdl":
- WOK-generated header files from inc and sources from drv are moved to src
- CDL files removed
- All packages are converted to nocdlpack
2015-07-12 07:42:38 +03:00

458 lines
14 KiB
C++

// Created on: 1994-02-03
// Created by: Isabelle GRIGNON
// Copyright (c) 1994-1999 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 <Adaptor3d_HSurface.hxx>
#include <ChFiDS_Spine.hxx>
#include <ChFiDS_SurfData.hxx>
#include <ChFiKPart_ComputeData.hxx>
#include <ChFiKPart_ComputeData_Fcts.hxx>
#include <ElCLib.hxx>
#include <ElSLib.hxx>
#include <Geom2d_Circle.hxx>
#include <Geom2d_Line.hxx>
#include <Geom_Circle.hxx>
#include <Geom_CylindricalSurface.hxx>
#include <Geom_Line.hxx>
#include <Geom_SphericalSurface.hxx>
#include <Geom_ToroidalSurface.hxx>
#include <gp.hxx>
#include <gp_Ax2.hxx>
#include <gp_Ax3.hxx>
#include <gp_Circ.hxx>
#include <gp_Cylinder.hxx>
#include <gp_Dir.hxx>
#include <gp_Dir2d.hxx>
#include <gp_Lin.hxx>
#include <gp_Lin2d.hxx>
#include <gp_Pln.hxx>
#include <gp_Pnt.hxx>
#include <gp_Pnt2d.hxx>
#include <gp_Vec.hxx>
#include <IntAna_QuadQuadGeo.hxx>
#include <Precision.hxx>
#include <TopOpeBRepDS_DataStructure.hxx>
//=======================================================================
//function : MakeFillet
//purpose : case cylinder/plane or plane/cylinder.
//=======================================================================
Standard_Boolean ChFiKPart_MakeFillet(TopOpeBRepDS_DataStructure& DStr,
const Handle(ChFiDS_SurfData)& Data,
const gp_Pln& Pln,
const gp_Cylinder& Cyl,
const Standard_Real fu,
const Standard_Real lu,
const TopAbs_Orientation Or1,
const TopAbs_Orientation Or2,
const Standard_Real Radius,
const gp_Lin& Spine,
const Standard_Real First,
const TopAbs_Orientation Ofpl,
const Standard_Boolean plandab)
{
//calculate the cylinder fillet.
//plane deviated from radius
gp_Ax3 AxPln = Pln.Position();
gp_Dir NorPln = AxPln.XDirection().Crossed(AxPln.YDirection());
gp_Dir NorF(NorPln);
gp_Ax3 AxCyl = Cyl.Position();
if (Or1 == TopAbs_REVERSED) { NorF.Reverse(); }
gp_Pln PlanOffset = Pln.Translated(Radius*gp_Vec(NorF));
// Parallel cylinder
Standard_Real ROff = Cyl.Radius();
if ((Or2 == TopAbs_FORWARD && Cyl.Direct()) ||
(Or2 == TopAbs_REVERSED && !Cyl.Direct()))
ROff+=Radius;
else if (Radius < ROff) {
ROff-=Radius;
}
else {
#ifdef OCCT_DEBUG
cout<<"the fillet does not pass"<<endl;
#endif
return Standard_False;
}
// intersection of the parallel plane and of the parallel cylinder.
gp_Cylinder CylOffset(Cyl.Position(),ROff);
IntAna_QuadQuadGeo LInt(PlanOffset,CylOffset,
Precision::Angular(),Precision::Confusion());
gp_Pnt OrSpine = ElCLib::Value(First,Spine);
gp_Pnt OrFillet;
gp_Dir DirFillet;
if (LInt.IsDone()) {
DirFillet = LInt.Line(1).Direction();
gp_Pnt P1 = ElCLib::Value(ElCLib::Parameter
(LInt.Line(1),OrSpine),LInt.Line(1));
if(LInt.NbSolutions() == 2){
gp_Pnt P2 = ElCLib::Value(ElCLib::Parameter
(LInt.Line(2),OrSpine),LInt.Line(2));
if (P1.SquareDistance(OrSpine) < P2.SquareDistance(OrSpine)) {
OrFillet = P1;
}
else { OrFillet = P2;}
}
else { OrFillet = P1;}
}
else {return Standard_False;}
// Construction fillet
if (DirFillet.Dot(Spine.Direction()) < 0.) {DirFillet.Reverse();}
Standard_Real UOnCyl,VOnCyl,UOnPln,VOnPln;
ElSLib::Parameters(Cyl,OrFillet,UOnCyl,VOnCyl);
Standard_Real tesp = Precision::Confusion();
if(UOnCyl < fu - tesp || UOnCyl > lu + tesp)
UOnCyl = ElCLib::InPeriod(UOnCyl,fu,fu+2*M_PI);
ElSLib::Parameters(Pln,OrFillet,UOnPln,VOnPln);
gp_Vec XDir,OtherDir;
XDir = NorF.Reversed();
OtherDir = gp_Dir(gp_Vec(OrFillet,ElSLib::Value(UOnCyl,VOnCyl,Cyl)));
if (!plandab) {
gp_Vec tmp = XDir;
XDir = OtherDir;
OtherDir = tmp;
}
gp_Ax3 AxFil (OrFillet,DirFillet,XDir);
// construction YDir to go from face1 to face2.
if ((XDir^OtherDir).Dot(DirFillet) < 0.)
AxFil.YReverse();
Handle(Geom_CylindricalSurface)
Fillet = new Geom_CylindricalSurface(AxFil,Radius);
Data->ChangeSurf(ChFiKPart_IndexSurfaceInDS(Fillet,DStr));
// FaceInterferences are loaded with pcurves and curves 3D.
// edge plane-Fillet
gp_Pnt2d PPln2d(UOnPln,VOnPln);
gp_Dir2d VPln2d(DirFillet.Dot(AxPln.XDirection()),
DirFillet.Dot(AxPln.YDirection()));
gp_Lin2d Lin2dPln(PPln2d,VPln2d);
gp_Pnt POnPln = ElSLib::Value(UOnPln,VOnPln,Pln);
gp_Lin C3d(POnPln,DirFillet);
Standard_Real UOnFillet,V;
ElSLib::CylinderParameters(AxFil,Radius,POnPln,UOnFillet,V);
if(UOnFillet > M_PI) UOnFillet = 0.;
gp_Lin2d LOnFillet(gp_Pnt2d(UOnFillet,V),gp::DY2d());
Handle(Geom_Line) L3d = new Geom_Line (C3d);
Handle(Geom2d_Line) LFac = new Geom2d_Line(Lin2dPln);
Handle(Geom2d_Line) LFil = new Geom2d_Line(LOnFillet);
gp_Pnt P;
gp_Vec deru,derv;
ElSLib::CylinderD1(UOnFillet,V,AxFil,Radius,P,deru,derv);
gp_Dir NorFil(deru.Crossed(derv));
Standard_Boolean toreverse = ( NorFil.Dot(NorPln) <= 0. );
// It is checked if the orientation of the cylinder is the same as of the plane.
if (toreverse) {Data->ChangeOrientation() = TopAbs::Reverse(Ofpl);}
else {Data->ChangeOrientation() = Ofpl;}
TopAbs_Orientation trans;
if ((toreverse && plandab) || (!toreverse && !plandab) ){
trans = TopAbs_REVERSED;
}
else {
trans = TopAbs_FORWARD;
}
if (plandab)
Data->ChangeInterferenceOnS1().
SetInterference(ChFiKPart_IndexCurveInDS(L3d,DStr),
trans,LFac,LFil);
else
Data->ChangeInterferenceOnS2().
SetInterference(ChFiKPart_IndexCurveInDS(L3d,DStr),
trans,LFac,LFil);
// edge cylinder-Fillet.
gp_Pnt2d PCyl2d(UOnCyl,VOnCyl);
gp_Dir2d DPC = gp::DY2d();
if (DirFillet.Dot(AxCyl.Direction()) < 0.) DPC.Reverse();
gp_Lin2d Lin2dCyl(PCyl2d,DPC);
gp_Pnt POnCyl = ElSLib::Value(UOnCyl,VOnCyl,Cyl);
C3d = gp_Lin(POnCyl,DirFillet);
ElSLib::CylinderParameters(AxFil,Radius,POnCyl,UOnFillet,V);
if(UOnFillet > M_PI) UOnFillet = 0.;
LOnFillet = gp_Lin2d(gp_Pnt2d(UOnFillet,V),gp::DY2d());
L3d = new Geom_Line (C3d);
LFac = new Geom2d_Line(Lin2dCyl);
LFil = new Geom2d_Line(LOnFillet);
ElSLib::CylinderD1(UOnFillet,V,AxFil,Radius,P,deru,derv);
NorFil= gp_Dir(deru.Crossed(derv));
ElSLib::CylinderD1(UOnCyl,VOnCyl,AxCyl,Cyl.Radius(),P,deru,derv);
gp_Dir NorCyl(deru.Crossed(derv));
toreverse = ( NorFil.Dot(NorCyl) <= 0. );
if ((toreverse && plandab) || (!toreverse && !plandab) ){
trans = TopAbs_FORWARD;
}
else {
trans = TopAbs_REVERSED;
}
if (plandab)
Data->ChangeInterferenceOnS2().
SetInterference(ChFiKPart_IndexCurveInDS(L3d,DStr),
trans,LFac,LFil);
else
Data->ChangeInterferenceOnS1().
SetInterference(ChFiKPart_IndexCurveInDS(L3d,DStr),
trans,LFac,LFil);
return Standard_True;
}
//=======================================================================
//function : MakeFillet
//purpose : case cylinder/plane or plane/cylinder.
//=======================================================================
Standard_Boolean ChFiKPart_MakeFillet(TopOpeBRepDS_DataStructure& DStr,
const Handle(ChFiDS_SurfData)& Data,
const gp_Pln& Pln,
const gp_Cylinder& Cyl,
const Standard_Real fu,
const Standard_Real lu,
const TopAbs_Orientation Or1,
const TopAbs_Orientation Or2,
const Standard_Real Radius,
const gp_Circ& Spine,
const Standard_Real First,
const TopAbs_Orientation Ofpl,
const Standard_Boolean plandab)
{
//calculation of the fillet (torus or sphere).
Standard_Boolean c1sphere = Standard_False;
gp_Ax3 PosPl = Pln.Position();
gp_Dir Dpnat = PosPl.XDirection().Crossed(PosPl.YDirection());
gp_Dir Dp = Dpnat;
gp_Dir Df = Dp;
if (Or1 == TopAbs_REVERSED) { Dp.Reverse(); }
if (Ofpl == TopAbs_REVERSED) { Df.Reverse(); }
gp_Pnt Or = Cyl.Location();
Standard_Real u,v;
ElSLib::PlaneParameters(PosPl,Or,u,v);
gp_Pnt2d c2dPln(u,v);
ElSLib::PlaneD0(u,v,PosPl,Or);
gp_Pnt cPln = Or;
Or.SetCoord(Or.X()+Radius*Dp.X(),
Or.Y()+Radius*Dp.Y(),
Or.Z()+Radius*Dp.Z());
gp_Pnt PtSp;
gp_Vec DSp;
// Modification for the PtSp found at the wrong side of the sewing edge.
gp_Pnt PtSp2;
gp_Vec DSp2;
Standard_Real acote = 1e-7;
ElCLib::D1(First,Spine,PtSp,DSp);
ElSLib::Parameters(Cyl,PtSp,u,v);
if ((Abs(u)<acote) || (Abs(u-(2*M_PI))<acote)){
ElCLib::D1(First+0.2,Spine,PtSp2,DSp2);
Standard_Real u2,v2;
ElSLib::Parameters(Cyl,PtSp2,u2,v2);
if (Abs(u2-u)>M_PI){
u = (2*M_PI)-u;
PtSp = ElSLib::Value(u,v,Cyl);
Standard_Real PR;
PR = ElCLib::Parameter(Spine,PtSp);
ElCLib::D1(PR,Spine,PtSp2,DSp);
}
}
// end of modif
gp_Dir Dx(gp_Vec(Or,PtSp));
Dx = Dp.Crossed(Dx.Crossed(Dp));
gp_Dir Dy(DSp);
gp_Pnt PtCyl;
gp_Vec Vu,Vv;
ElSLib::D1(u,v,Cyl,PtCyl,Vu,Vv);
gp_Dir Dc(Vu.Crossed(Vv));
if (Or2 == TopAbs_REVERSED) { Dc.Reverse(); }
gp_Dir Dz = Dp;
Standard_Real Rad,cylrad = Cyl.Radius();
Standard_Boolean dedans = (Dx.Dot(Dc) <= 0.);
if(dedans){
if (!plandab){ Dz.Reverse(); }
Rad = cylrad - Radius;
if(Abs(Rad) <= Precision::Confusion()){ c1sphere = Standard_True; }
else if(Rad < 0){
#ifdef OCCT_DEBUG
cout<<"the fillet can't pass"<<endl;
#endif
return Standard_False;
}
}
else {
if (plandab){ Dz.Reverse(); }
Rad = cylrad + Radius;
}
gp_Ax3 FilAx3(Or,Dz,Dx);
if (FilAx3.YDirection().Dot(Dy) <= 0.){ FilAx3.YReverse(); }
if(c1sphere) {
Handle(Geom_SphericalSurface)
gsph = new Geom_SphericalSurface(FilAx3,Radius);
Data->ChangeSurf(ChFiKPart_IndexSurfaceInDS(gsph,DStr));
}
else{
Handle(Geom_ToroidalSurface)
gtor = new Geom_ToroidalSurface(FilAx3,Rad,Radius);
Data->ChangeSurf(ChFiKPart_IndexSurfaceInDS(gtor,DStr));
}
// It is checked if the orientation of the fillet is the same as of faces.
gp_Pnt P,PP;
gp_Vec deru,derv;
P.SetCoord(cPln.X()+Rad*Dx.X(),
cPln.Y()+Rad*Dx.Y(),
cPln.Z()+Rad*Dx.Z());
u = 0.;
if ((dedans && plandab) || (!dedans && !plandab)){
if (c1sphere) { v = - M_PI / 2; }
else { v = 3 * M_PI / 2; }
}
else { v = M_PI / 2; }
gp_Dir norFil;
if(c1sphere){
ElSLib::SphereD1(u,v,FilAx3,cylrad,PP,deru,derv);
norFil = FilAx3.XDirection().Crossed(FilAx3.YDirection());
if(v < 0.) norFil.Reverse();
}
else{
ElSLib::TorusD1(u,v,FilAx3,Rad,Radius,PP,deru,derv);
norFil = gp_Dir(deru.Crossed(derv));
}
gp_Pnt2d p2dFil(0.,v);
Standard_Boolean toreverse = ( norFil.Dot(Df) <= 0. );
if (toreverse) { Data->ChangeOrientation() = TopAbs_REVERSED; }
else { Data->ChangeOrientation() = TopAbs_FORWARD; }
// FaceInterferences are loaded with pcurves and curves 3d.
// The plane face.
Handle(Geom2d_Circle) GCirc2dPln;
Handle(Geom_Circle) GCircPln;
gp_Ax2 circAx2 = FilAx3.Ax2();
if(!c1sphere){
ElSLib::PlaneParameters(PosPl,P,u,v);
gp_Pnt2d p2dPln(u,v);
gp_Dir2d d2d(DSp.Dot(PosPl.XDirection()),DSp.Dot(PosPl.YDirection()));
gp_Ax22d ax2dPln(c2dPln,gp_Dir2d(gp_Vec2d(c2dPln,p2dPln)),d2d);
gp_Circ2d circ2dPln(ax2dPln,Rad);
GCirc2dPln = new Geom2d_Circle(circ2dPln);
circAx2.SetLocation(cPln);
gp_Circ circPln(circAx2,Rad);
GCircPln = new Geom_Circle(circPln);
}
else {
ElSLib::PlaneParameters(PosPl,P,u,v);
gp_Pnt2d p2dPln(u,v),pbid;
if(plandab){
Data->Set2dPoints(p2dPln,p2dPln,pbid,pbid);
}
else {
Data->Set2dPoints(pbid,pbid,p2dPln,p2dPln);
}
}
gp_Lin2d lin2dFil(p2dFil,gp::DX2d());
Handle(Geom2d_Line) GLin2dFil1 = new Geom2d_Line(lin2dFil);
toreverse = ( norFil.Dot(Dpnat) <= 0. );
TopAbs_Orientation trans;
if ((toreverse && plandab) || (!toreverse && !plandab) ){
trans = TopAbs_FORWARD;
}
else {
trans = TopAbs_REVERSED;
}
if(plandab){
Data->ChangeInterferenceOnS1().
SetInterference(ChFiKPart_IndexCurveInDS(GCircPln,DStr),
trans,GCirc2dPln,GLin2dFil1);
}
else{
Data->ChangeInterferenceOnS2().
SetInterference(ChFiKPart_IndexCurveInDS(GCircPln,DStr),
trans,GCirc2dPln,GLin2dFil1);
}
// The cylindrical face.
P.SetCoord(Or.X()+cylrad*Dx.X(),
Or.Y()+cylrad*Dx.Y(),
Or.Z()+cylrad*Dx.Z());
u = 0.;
if (dedans) {
if (plandab && !c1sphere) { v = 2 * M_PI; }
else { v = 0. ; }
}
else { v = M_PI; }
p2dFil.SetCoord(u,v);
if(c1sphere){
ElSLib::SphereD1(u,v,FilAx3,cylrad,PP,deru,derv);
}
else{
ElSLib::TorusD1(u,v,FilAx3,Rad,Radius,PP,deru,derv);
}
norFil = deru.Crossed(derv);
lin2dFil.SetLocation(p2dFil);
Handle(Geom2d_Line) GLin2dFil2 = new Geom2d_Line(lin2dFil);
ElSLib::Parameters(Cyl,P,u,v);
Standard_Real tol = Precision::PConfusion();
Standard_Boolean careaboutsens = 0;
if(Abs(lu - fu - 2*M_PI) < tol) careaboutsens = 1;
if(u >= fu - tol && u < fu) u = fu;
if(u <= lu + tol && u > lu) u = lu;
if(u < fu || u > lu) u = ChFiKPart_InPeriod(u,fu,fu + 2*M_PI,tol);
ElSLib::D1(u,v,Cyl,PP,deru,derv);
gp_Dir norcyl = deru.Crossed(derv);
gp_Dir2d d2dCyl = gp::DX2d();
if( deru.Dot(Dy) < 0. ){
d2dCyl.Reverse();
if(careaboutsens && Abs(fu-u)<tol) u = lu;
}
else if(careaboutsens && Abs(lu-u)<tol) u = fu;
gp_Pnt2d p2dCyl(u,v);
gp_Lin2d lin2dCyl(p2dCyl,d2dCyl);
Handle(Geom2d_Line) GLin2dCyl = new Geom2d_Line(lin2dCyl);
circAx2.SetLocation(Or);
gp_Circ circCyl(circAx2,cylrad);
Handle(Geom_Circle) GCircCyl = new Geom_Circle(circCyl);
toreverse = ( norFil.Dot(norcyl) <= 0. );
if ((toreverse && plandab) || (!toreverse && !plandab) ){
trans = TopAbs_REVERSED;
}
else {
trans = TopAbs_FORWARD;
}
if(plandab){
Data->ChangeInterferenceOnS2().
SetInterference(ChFiKPart_IndexCurveInDS(GCircCyl,DStr),
trans,GLin2dCyl,GLin2dFil2);
}
else{
Data->ChangeInterferenceOnS1().
SetInterference(ChFiKPart_IndexCurveInDS(GCircCyl,DStr),
trans,GLin2dCyl,GLin2dFil2);
}
return Standard_True;
}