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OCCT/src/TopOpeBRepTool/TopOpeBRepTool_ShapeTool.cxx
bugmaster 7fd59977df Integration of OCCT 6.5.0 from SVN
2012-03-05 19:23:40 +04:00

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// File: TopOpeBRepTool_ShapeTool.cxx
// Created: Wed Feb 9 16:24:57 1994
// Author: Jean Yves LEBEY
// <jyl@phobox>
#include <TopOpeBRepTool_ShapeTool.ixx>
#include <BRep_Tool.hxx>
#include <TopoDS.hxx>
#include <TopAbs.hxx>
#include <ElCLib.hxx>
#include <Geom_Surface.hxx>
#include <TopLoc_Location.hxx>
#include <Precision.hxx>
#include <Standard_ProgramError.hxx>
#include <Geom2d_Curve.hxx>
#include <Geom_Curve.hxx>
#include <TopoDS_Edge.hxx>
#include <TopoDS_Face.hxx>
#include <TopoDS.hxx>
#include <gp_Dir2d.hxx>
#include <Geom2d_Line.hxx>
#include <BRepTools.hxx>
#include <TopExp_Explorer.hxx>
#include <BRepLProp_CLProps.hxx>
#include <GeomAdaptor_Surface.hxx>
#include <TopOpeBRepTool_EXPORT.hxx>
#include <TopOpeBRepTool_2d.hxx>
//=======================================================================
//function : Tolerance
//purpose :
//=======================================================================
Standard_Real TopOpeBRepTool_ShapeTool::Tolerance(const TopoDS_Shape& S)
{
if ( S.IsNull() ) return 0. ;
Standard_Real tol=0;
switch (S.ShapeType()) {
case TopAbs_FACE : tol = BRep_Tool::Tolerance(TopoDS::Face(S)); break;
case TopAbs_EDGE : tol = BRep_Tool::Tolerance(TopoDS::Edge(S)); break;
case TopAbs_VERTEX : tol = BRep_Tool::Tolerance(TopoDS::Vertex(S)); break;
default : Standard_ProgramError::Raise
("TopOpeBRepTool_ShapeTool : Shape has no tolerance"); break;
}
return tol;
}
//=======================================================================
//function : Pnt
//purpose :
//=======================================================================
gp_Pnt TopOpeBRepTool_ShapeTool::Pnt(const TopoDS_Shape& S)
{
if ( S.ShapeType() != TopAbs_VERTEX ) {
Standard_ProgramError::Raise("TopOpeBRepTool_ShapeTool::Pnt");
return gp_Pnt();
}
return BRep_Tool::Pnt(TopoDS::Vertex(S));
}
#include <Geom_OffsetCurve.hxx>
#include <Geom_TrimmedCurve.hxx>
//=======================================================================
//function : BASISCURVE
//purpose :
//=======================================================================
Handle(Geom_Curve) TopOpeBRepTool_ShapeTool::BASISCURVE(const Handle(Geom_Curve)& C)
{
Handle(Standard_Type) T = C->DynamicType();
if ( T == STANDARD_TYPE(Geom_OffsetCurve) )
return BASISCURVE(Handle(Geom_OffsetCurve)::DownCast(C)->BasisCurve());
else if ( T == STANDARD_TYPE(Geom_TrimmedCurve) )
return BASISCURVE(Handle(Geom_TrimmedCurve)::DownCast(C)->BasisCurve());
else return C;
}
Handle(Geom_Curve) TopOpeBRepTool_ShapeTool::BASISCURVE(const TopoDS_Edge& E)
{
Standard_Real f, l;
Handle(Geom_Curve) C = BRep_Tool::Curve(E, f, l);
if ( C.IsNull() ) return C;
return BASISCURVE(C);
}
#include <Geom_OffsetSurface.hxx>
#include <Geom_RectangularTrimmedSurface.hxx>
#include <Geom_SurfaceOfRevolution.hxx>
#include <Geom_SurfaceOfLinearExtrusion.hxx>
//=======================================================================
//function : BASISSURFACE
//purpose :
//=======================================================================
Handle(Geom_Surface) TopOpeBRepTool_ShapeTool::BASISSURFACE(const Handle(Geom_Surface)& S)
{
Handle(Standard_Type) T = S->DynamicType();
if ( T == STANDARD_TYPE(Geom_OffsetSurface) )
return BASISSURFACE(Handle(Geom_OffsetSurface)::DownCast(S)->BasisSurface());
else if ( T == STANDARD_TYPE(Geom_RectangularTrimmedSurface) )
return BASISSURFACE(Handle(Geom_RectangularTrimmedSurface)::DownCast(S)->BasisSurface());
else return S;
}
Handle(Geom_Surface) TopOpeBRepTool_ShapeTool::BASISSURFACE(const TopoDS_Face& F)
{
TopLoc_Location L;Handle(Geom_Surface) S = BRep_Tool::Surface(F,L);
return BASISSURFACE(S);
}
//=======================================================================
//function : UVBOUNDS
//purpose :
//=======================================================================
void TopOpeBRepTool_ShapeTool::UVBOUNDS
(const Handle(Geom_Surface)& S,
Standard_Boolean& UPeriodic,
Standard_Boolean& VPeriodic,
Standard_Real& Umin, Standard_Real& Umax,
Standard_Real& Vmin, Standard_Real& Vmax)
{
const Handle(Geom_Surface) BS = BASISSURFACE(S);
Handle(Standard_Type) T = BS->DynamicType();
if ( T == STANDARD_TYPE(Geom_SurfaceOfRevolution) ) {
Handle(Geom_SurfaceOfRevolution)
SR = Handle(Geom_SurfaceOfRevolution)::DownCast(BS);
Handle(Geom_Curve) C = BASISCURVE(SR->BasisCurve());
if (C->IsPeriodic()) {
UPeriodic = Standard_False;
VPeriodic = Standard_True;
Vmin = C->FirstParameter(); Vmax = C->LastParameter();
}
}
else if ( T == STANDARD_TYPE(Geom_SurfaceOfLinearExtrusion) ) {
Handle(Geom_SurfaceOfLinearExtrusion)
SE = Handle(Geom_SurfaceOfLinearExtrusion)::DownCast(BS);
Handle(Geom_Curve) C = BASISCURVE(SE->BasisCurve());
if (C->IsPeriodic()) {
UPeriodic = Standard_True;
Umin = C->FirstParameter(); Umax = C->LastParameter();
VPeriodic = Standard_False;
}
}
else {
UPeriodic = BS->IsUPeriodic();
VPeriodic = BS->IsVPeriodic();
BS->Bounds(Umin,Umax,Vmin,Vmax);
}
}
void TopOpeBRepTool_ShapeTool::UVBOUNDS
(const TopoDS_Face& F,
Standard_Boolean& UPeriodic, Standard_Boolean& VPeriodic,
Standard_Real& Umin, Standard_Real& Umax,
Standard_Real& Vmin, Standard_Real& Vmax)
{
TopLoc_Location L;Handle(Geom_Surface) S = BRep_Tool::Surface(F,L);
UVBOUNDS(S, UPeriodic, VPeriodic, Umin, Umax, Vmin, Vmax);
}
//=======================================================================
//function : AdjustOnPeriodic
//purpose :
//=======================================================================
void TopOpeBRepTool_ShapeTool::AdjustOnPeriodic(const TopoDS_Shape& F,
Standard_Real& u,
Standard_Real& v)
{
TopoDS_Face FF = TopoDS::Face(F);
TopLoc_Location Loc;
const Handle(Geom_Surface) Surf = BRep_Tool::Surface(FF,Loc);
// Standard_Real Ufirst,Ulast,Vfirst,Vlast;
Standard_Boolean isUperio,isVperio;
isUperio = Surf->IsUPeriodic();
isVperio = Surf->IsVPeriodic();
// exit if surface supporting F is not periodic on U or V
if (!isUperio && !isVperio) return;
Standard_Real UFfirst,UFlast,VFfirst,VFlast;
BRepTools::UVBounds(FF,UFfirst,UFlast,VFfirst,VFlast);
Standard_Real tol = Precision::PConfusion();
if (isUperio) {
Standard_Real Uperiod = Surf->UPeriod();
#ifdef DEB
Standard_Real ubid = UFfirst;
#endif
// ElCLib::AdjustPeriodic(UFfirst,UFfirst + Uperiod,tol,ubid,u);
if (Abs(u - UFfirst-Uperiod) > tol)
u = ElCLib::InPeriod(u,UFfirst,UFfirst + Uperiod);
}
if (isVperio) {
Standard_Real Vperiod = Surf->VPeriod();
#ifdef DEB
Standard_Real vbid = VFfirst;
#endif
// ElCLib::AdjustPeriodic(VFfirst,VFfirst + Vperiod,tol,vbid,v);
if (Abs(v - VFfirst-Vperiod) > tol)
v = ElCLib::InPeriod(v,VFfirst,VFfirst + Vperiod);
}
}
//=======================================================================
//function : Closed
//purpose :
//=======================================================================
Standard_Boolean TopOpeBRepTool_ShapeTool::Closed(const TopoDS_Shape& S1,
const TopoDS_Shape& S2)
{
const TopoDS_Edge& E = TopoDS::Edge(S1);
const TopoDS_Face& F = TopoDS::Face(S2);
Standard_Boolean brepclosed = BRep_Tool::IsClosed(E,F);
if ( brepclosed ) {
Standard_Integer n = 0;
for ( TopExp_Explorer x(F,TopAbs_EDGE); x.More(); x.Next() )
if ( x.Current().IsSame(E) ) n++;
if ( n < 2 ) return Standard_False;
else return Standard_True;
}
return Standard_False;
}
#ifdef DEB
Standard_IMPORT Standard_Boolean TopOpeBRepTool_GettraceVC();
Standard_IMPORT Standard_Boolean TopOpeBRepTool_GettraceNYI();
#endif
inline Standard_Boolean PARINBOUNDS(const Standard_Real par,
const Standard_Real first,
const Standard_Real last,
const Standard_Real tol)
{
Standard_Boolean b = ( ((first+tol) <= par) && (par <= (last-tol)) );
return b;
}
inline Standard_Boolean PARONBOUND(const Standard_Real par,
const Standard_Real bound,
const Standard_Real tol)
{
Standard_Boolean b = ( ((bound-tol) <= par) && (par <= (bound+tol)) );
return b;
}
Standard_Real ADJUST(const Standard_Real par,
const Standard_Real first,
const Standard_Real last,
const Standard_Real tol)
{
Standard_Real period = last - first, periopar = par;
if (PARINBOUNDS(par,first,last,tol)) {
periopar = par + period;
}
else if (PARONBOUND(par,first,tol)) {
periopar = par + period;
}
else if (PARONBOUND(par,last,tol)) {
periopar = par - period;
}
return periopar;
}
//=======================================================================
//function : PeriodizeParameter
//purpose :
//=======================================================================
Standard_Real TopOpeBRepTool_ShapeTool::PeriodizeParameter
(const Standard_Real par,
const TopoDS_Shape& EE,
const TopoDS_Shape& FF)
{
Standard_Real periopar = par;
if ( ! TopOpeBRepTool_ShapeTool::Closed(EE,FF) ) return periopar;
TopoDS_Edge E = TopoDS::Edge(EE);
TopoDS_Face F = TopoDS::Face(FF);
TopLoc_Location Loc;
const Handle(Geom_Surface) Surf = BRep_Tool::Surface(F,Loc);
Standard_Boolean isUperio = Surf->IsUPeriodic();
Standard_Boolean isVperio = Surf->IsVPeriodic();
if (!isUperio && !isVperio) return periopar;
Standard_Real Ufirst,Ulast,Vfirst,Vlast;
Surf->Bounds(Ufirst,Ulast,Vfirst,Vlast);
Standard_Real Uperiod = 0., Vperiod = 0.;
if (isUperio) Uperiod = Ulast - Ufirst;
if (isVperio) Vperiod = Vlast - Vfirst;
Standard_Real first,last,tolpc;
const Handle(Geom2d_Curve) PC = FC2D_CurveOnSurface(E,F,first,last,tolpc);
if (PC.IsNull()) Standard_ProgramError::Raise("ShapeTool::PeriodizeParameter : no 2d curve");
Handle(Standard_Type) TheType = PC->DynamicType();
if (TheType == STANDARD_TYPE(Geom2d_Line)) {
const Handle(Geom2d_Line)& HL = *((Handle(Geom2d_Line)*)&PC);
const gp_Dir2d& D = HL->Direction();
Standard_Real tol = Precision::Angular();
Standard_Boolean isoU = Standard_False, isoV = Standard_False;
if (D.IsParallel(gp_Dir2d(0.,1.),tol)) isoU = Standard_True;
else if (D.IsParallel(gp_Dir2d(1.,0.),tol)) isoV = Standard_True;
if (isoU) {
periopar = ADJUST(par,Ufirst,Ulast,tol);
}
else if (isoV) {
periopar = ADJUST(par,Vfirst,Vlast,tol);
}
#ifdef DEB
if (TopOpeBRepTool_GettraceVC()) {
cout<<"TopOpeBRepTool_ShapeTool PC on edge is ";
if (isoU) cout<<"isoU f,l "<<Ufirst<<" "<<Ulast<<endl;
else if (isoV) cout<<"isoV f,l "<<Vfirst<<" "<<Vlast<<endl;
else cout<<"not isoU, not isoV"<<endl;
cout<<"par = "<<par<<" --> "<<periopar<<endl;
}
#endif
}
// NYI : BSpline ...
return periopar;
}
//=======================================================================
//function : ShapesSameOriented
//purpose :
//=======================================================================
Standard_Boolean TopOpeBRepTool_ShapeTool::ShapesSameOriented
(const TopoDS_Shape& S1, const TopoDS_Shape& S2)
{
Standard_Boolean so = Standard_True;
Standard_Boolean sam = S1.IsSame(S2);
if (sam) {
const TopAbs_Orientation o1 = S1.Orientation();
const TopAbs_Orientation o2 = S2.Orientation();
if ((o1 == TopAbs_FORWARD || o1 == TopAbs_REVERSED) &&
(o2 == TopAbs_FORWARD || o2 == TopAbs_REVERSED)) {
so = (o1 == o2);
return so;
}
}
TopAbs_ShapeEnum t1 = S1.ShapeType(), t2 = S2.ShapeType();
if ( (t1 == TopAbs_SOLID) && (t2 == TopAbs_SOLID) ) {
so = Standard_True;
}
else if ( (t1 == TopAbs_FACE) && (t2 == TopAbs_FACE) ) {
so = FacesSameOriented(S1,S2);
}
else if ( (t1 == TopAbs_EDGE) && (t2 == TopAbs_EDGE) ) {
so = EdgesSameOriented(S1,S2);
}
else if ( (t1 == TopAbs_VERTEX) && (t2 == TopAbs_VERTEX) ) {
TopAbs_Orientation o1 = S1.Orientation();
TopAbs_Orientation o2 = S2.Orientation();
if (o1==TopAbs_EXTERNAL||o1==TopAbs_INTERNAL||o2==TopAbs_EXTERNAL||o2==TopAbs_INTERNAL)
so = Standard_True;
else
so = ( o1 == o2 );
}
return so;
}
//=======================================================================
//function : SurfacesSameOriented
//purpose :
//=======================================================================
Standard_Boolean TopOpeBRepTool_ShapeTool::SurfacesSameOriented
(const BRepAdaptor_Surface& S1,const BRepAdaptor_Surface& Sref)
{
const BRepAdaptor_Surface& S2 = Sref;
GeomAbs_SurfaceType ST1 = S1.GetType();
GeomAbs_SurfaceType ST2 = S2.GetType();
Standard_Boolean so = Standard_True;
if (ST1 == GeomAbs_Plane && ST2 == GeomAbs_Plane) {
Standard_Real u1 = S1.FirstUParameter();
Standard_Real v1 = S1.FirstVParameter();
gp_Pnt p1; gp_Vec d1u,d1v; S1.D1(u1,v1,p1,d1u,d1v);
gp_Vec n1 = d1u.Crossed(d1v);
Standard_Real u2 = S2.FirstUParameter();
Standard_Real v2 = S2.FirstVParameter();
gp_Pnt p2; gp_Vec d2u,d2v; S2.D1(u2,v2,p2,d2u,d2v);
gp_Vec n2 = d2u.Crossed(d2v);
Standard_Real d = n1.Dot(n2);
so = (d > 0.);
}
else if (ST1 == GeomAbs_Cylinder && ST2 == GeomAbs_Cylinder) {
// On peut projeter n'importe quel point.
// prenons donc l'origine
Standard_Real u1 = 0.;
Standard_Real v1 = 0.;
gp_Pnt p1; gp_Vec d1u,d1v; S1.D1(u1,v1,p1,d1u,d1v);
gp_Vec n1 = d1u.Crossed(d1v);
Handle(Geom_Surface) HS2 = S2.Surface().Surface();
HS2 = Handle(Geom_Surface)::DownCast(HS2->Transformed(S2.Trsf()));
gp_Pnt2d p22d; Standard_Real dp2;
Standard_Boolean ok = FUN_tool_projPonS(p1,HS2,p22d,dp2);
if ( !ok ) return so; // NYI : raise
Standard_Real u2 = p22d.X();
Standard_Real v2 = p22d.Y();
gp_Pnt p2; gp_Vec d2u,d2v; S2.D1(u2,v2,p2,d2u,d2v);
gp_Vec n2 = d2u.Crossed(d2v);
Standard_Real d = n1.Dot(n2);
so = (d > 0.);
}
else {
// prendre u1,v1 et projeter sur 2 pour calcul des normales
// au meme point 3d.
#ifdef DEB
if (TopOpeBRepTool_GettraceNYI()) {
cout<<"TopOpeBRepTool_ShapeTool::SurfacesSameOriented surfaces non traitees : NYI";
cout<<endl;
}
#endif
}
return so;
}
//=======================================================================
//function : FacesSameOriented
//purpose :
//=======================================================================
Standard_Boolean TopOpeBRepTool_ShapeTool::FacesSameOriented
(const TopoDS_Shape& S1, const TopoDS_Shape& Sref)
{
const TopoDS_Shape& S2 = Sref;
const TopoDS_Face& F1 = TopoDS::Face(S1);
const TopoDS_Face& F2 = TopoDS::Face(S2);
TopAbs_Orientation o1 = F1.Orientation();
TopAbs_Orientation o2 = F2.Orientation();
if ( o1 == TopAbs_EXTERNAL || o1 == TopAbs_INTERNAL ||
o2 == TopAbs_EXTERNAL || o2 == TopAbs_INTERNAL ) {
return Standard_True;
}
Standard_Boolean computerestriction = Standard_False;
BRepAdaptor_Surface BAS1(F1,computerestriction);
BRepAdaptor_Surface BAS2(F2,computerestriction);
Standard_Boolean so = F1.IsSame(F2) || SurfacesSameOriented(BAS1,BAS2);
Standard_Boolean b = so;
if ( o1 != o2 ) b = !so;
return b;
}
//=======================================================================
//function : CurvesSameOriented
//purpose :
//=======================================================================
Standard_Boolean TopOpeBRepTool_ShapeTool::CurvesSameOriented
(const BRepAdaptor_Curve& C1, const BRepAdaptor_Curve& Cref)
{
const BRepAdaptor_Curve& C2 = Cref;
GeomAbs_CurveType CT1 = C1.GetType();
GeomAbs_CurveType CT2 = C2.GetType();
Standard_Boolean so = Standard_True;
if (CT1 == GeomAbs_Line && CT2 == GeomAbs_Line) {
Standard_Real p1 = C1.FirstParameter();
gp_Dir t1,n1; Standard_Real c1; EdgeData(C1,p1,t1,n1,c1);
Standard_Real p2 = C2.FirstParameter();
gp_Dir t2,n2; Standard_Real c2; EdgeData(C2,p2,t2,n2,c2);
Standard_Real d = t1.Dot(t2);
so = (d > 0.);
}
else {
// prendre p1 et projeter sur 2 pour calcul des normales
// au meme point 3d.
#ifdef DEB
if (TopOpeBRepTool_GettraceNYI()) {
cout<<"TopOpeBRepTool_ShapeTool::CurvesSameOriented non lineaires : NYI";
cout<<endl;
}
#endif
}
return so;
}
//=======================================================================
//function : EdgesSameOriented
//purpose :
//=======================================================================
Standard_Boolean TopOpeBRepTool_ShapeTool::EdgesSameOriented
(const TopoDS_Shape& S1, const TopoDS_Shape& Sref)
{
const TopoDS_Shape& S2 = Sref;
const TopoDS_Edge& E1 = TopoDS::Edge(S1);
const TopoDS_Edge& E2 = TopoDS::Edge(S2);
TopAbs_Orientation o1 = E1.Orientation();
TopAbs_Orientation o2 = E2.Orientation();
if ( o1 == TopAbs_EXTERNAL || o1 == TopAbs_INTERNAL ||
o2 == TopAbs_EXTERNAL || o2 == TopAbs_INTERNAL ) {
return Standard_True;
}
BRepAdaptor_Curve BAC1(E1);
BRepAdaptor_Curve BAC2(E2);
Standard_Boolean so = CurvesSameOriented(BAC1,BAC2);
Standard_Boolean b = so;
if ( o1 != o2 ) b = !so;
return b;
}
//=======================================================================
//function : EdgeData
//purpose :
//=======================================================================
Standard_Real TopOpeBRepTool_ShapeTool::EdgeData
(const BRepAdaptor_Curve& BAC, const Standard_Real P,
gp_Dir& T, gp_Dir& N, Standard_Real& C)
{
Standard_Real tol = Precision::Angular();
BRepLProp_CLProps BL(BAC,P,2,tol);
BL.Tangent(T);
C = BL.Curvature();
// xpu150399 cto900R4
Standard_Real tol1 = Epsilon(0.), tol2 = RealLast();
Standard_Real tolm = Max(tol,Max(tol1,tol2));
if ( Abs(C) > tolm ) BL.Normal(N);
return tol;
}
//=======================================================================
//function : EdgeData
//purpose :
//=======================================================================
Standard_Real TopOpeBRepTool_ShapeTool::EdgeData
(const TopoDS_Shape& E, const Standard_Real P,
gp_Dir& T, gp_Dir& N, Standard_Real& C)
{
BRepAdaptor_Curve BAC(TopoDS::Edge(E));
Standard_Real d = EdgeData(BAC,P,T,N,C);
return d;
}
//=======================================================================
//function : Resolution3dU
//purpose :
//=======================================================================
Standard_Real TopOpeBRepTool_ShapeTool::Resolution3dU(const Handle(Geom_Surface)& SU,
const Standard_Real Tol2d)
{
GeomAdaptor_Surface GAS(SU);
Standard_Real r3dunit = 0.00001; // petite valeur (1.0 -> RangeError sur un tore)
Standard_Real ru = GAS.UResolution(r3dunit);
Standard_Real r3du = r3dunit*(Tol2d/ru);
return r3du;
}
//=======================================================================
//function : Resolution3dV
//purpose :
//=======================================================================
Standard_Real TopOpeBRepTool_ShapeTool::Resolution3dV(const Handle(Geom_Surface)& SU,
const Standard_Real Tol2d)
{
GeomAdaptor_Surface GAS(SU);
Standard_Real r3dunit = 0.00001; // petite valeur (1.0 -> RangeError sur un tore)
Standard_Real rv = GAS.VResolution(r3dunit);
Standard_Real r3dv = r3dunit*(Tol2d/rv);
return r3dv;
}
//=======================================================================
//function : Resolution3d
//purpose :
//=======================================================================
Standard_Real TopOpeBRepTool_ShapeTool::Resolution3d(const Handle(Geom_Surface)& SU,
const Standard_Real Tol2d)
{
Standard_Real ru = Resolution3dU(SU,Tol2d);
Standard_Real rv = Resolution3dV(SU,Tol2d);
Standard_Real r = Max(ru,rv);
return r;
}
//=======================================================================
//function : Resolution3d
//purpose :
//=======================================================================
Standard_Real TopOpeBRepTool_ShapeTool::Resolution3d(const TopoDS_Face& F,
const Standard_Real Tol2d)
{
TopLoc_Location L; const Handle(Geom_Surface)& SU = BRep_Tool::Surface(F,L);
Standard_Real r = Resolution3d(SU,Tol2d);
return r;
}
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