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// File: TopOpeBRepTool_GEOMETRY.cxx
// Created: Tue Oct 6 11:06:01 1998
// Author: Jean Yves LEBEY
// <jyl@langdox.paris1.matra-dtv.fr>
#include <TopOpeBRepTool_GEOMETRY.hxx>
#include <Geom2d_Curve.hxx>
#include <Geom2d_Line.hxx>
#include <Geom_Curve.hxx>
#include <Geom_Surface.hxx>
#include <Geom2dAdaptor_Curve.hxx>
#include <GeomAdaptor_Curve.hxx>
#include <GeomAdaptor_Surface.hxx>
#include <gp_Vec.hxx>
#include <gp_Cone.hxx>
#include <gp_Sphere.hxx>
#include <Geom2d_OffsetCurve.hxx>
#include <Geom2d_TrimmedCurve.hxx>
#include <TopOpeBRepTool_ShapeTool.hxx>
#include <Precision.hxx>
// ----------------------------------------------------------------------
Standard_EXPORT Handle(Geom2d_Curve) BASISCURVE2D(const Handle(Geom2d_Curve)& C)
{
Handle(Standard_Type) T = C->DynamicType();
if ( T == STANDARD_TYPE(Geom2d_OffsetCurve) )
return ::BASISCURVE2D(Handle(Geom2d_OffsetCurve)::DownCast(C)->BasisCurve());
else if ( T == STANDARD_TYPE(Geom2d_TrimmedCurve) )
return ::BASISCURVE2D(Handle(Geom2d_TrimmedCurve)::DownCast(C)->BasisCurve());
else return C;
}
/*// ----------------------------------------------------------------------
Standard_EXPORT Standard_Boolean FUN_tool_IsUViso(const Handle(Geom2d_Curve)& PC,
Standard_Boolean& isoU,Standard_Boolean& isoV,
gp_Dir2d& d2d,gp_Pnt2d& o2d)
{
isoU = isoV = Standard_False;
if (PC.IsNull()) return Standard_False;
Handle(Geom2d_Curve) LLL = BASISCURVE2D(PC);
Handle(Standard_Type) T2 = LLL->DynamicType();
Standard_Boolean isline2d = (T2 == STANDARD_TYPE(Geom2d_Line));
if (!isline2d) return Standard_False;
Handle(Geom2d_Line) L = Handle(Geom2d_Line)::DownCast(LLL);
d2d = L->Direction();
isoU = (Abs(d2d.X()) < Precision::Parametric(Precision::Confusion()));
isoV = (Abs(d2d.Y()) < Precision::Parametric(Precision::Confusion()));
Standard_Boolean isoUV = isoU || isoV;
if (!isoUV) return Standard_False;
o2d = L->Location();
return Standard_True;
}*/
// ----------------------------------------------------------------------
Standard_EXPORT gp_Dir FUN_tool_dirC(const Standard_Real par,const Handle(Geom_Curve)& C)
{
gp_Pnt p; gp_Vec tgE; C->D1(par,p,tgE);
gp_Dir dirC(tgE);
return dirC;
}
// ----------------------------------------------------------------------
Standard_EXPORT Standard_Boolean FUN_tool_onapex(const gp_Pnt2d& p2d,const Handle(Geom_Surface)& S)
{
Standard_Boolean isapex = Standard_False;
GeomAdaptor_Surface GS(S);
Standard_Real tol = Precision::Confusion();
GeomAbs_SurfaceType ST = GS.GetType();
Standard_Real toluv = 1.e-8;
if (ST == GeomAbs_Cone) {
gp_Cone co = GS.Cone();
gp_Pnt apex = co.Apex();
gp_Pnt pnt = GS.Value(p2d.X(),p2d.Y());
Standard_Real dist = pnt.Distance(apex);
isapex = (dist < tol);
}
if (ST == GeomAbs_Sphere) {
Standard_Real pisur2 = PI*.5;
Standard_Real v = p2d.Y();
Standard_Boolean vpisur2 = (Abs(v-pisur2) < toluv);
Standard_Boolean vmoinspisur2 = (Abs(v+pisur2) < toluv);
isapex = vpisur2 || vmoinspisur2;
}
return isapex;
}
// ----------------------------------------------------------------------
Standard_EXPORT gp_Dir FUN_tool_ngS(const gp_Pnt2d& p2d,const Handle(Geom_Surface)& S)
{
// ###############################
// nyi : all geometries are direct
// ###############################
gp_Pnt p; gp_Vec d1u,d1v;
S->D1(p2d.X(),p2d.Y(),p,d1u,d1v);
Standard_Real du = d1u.Magnitude();
Standard_Real dv = d1v.Magnitude();
Standard_Real tol = Precision::Confusion();
Standard_Boolean kpart = (du < tol) || (dv < tol);
if (kpart) {
GeomAdaptor_Surface GS(S);
GeomAbs_SurfaceType ST = GS.GetType();
Standard_Real toluv = 1.e-8;
if (ST == GeomAbs_Cone) {
Standard_Boolean nullx = (Abs(p2d.X()) < toluv);
Standard_Boolean apex = nullx && (Abs(p2d.Y()) < toluv);
if (apex) {
const gp_Dir& axis = GS.Cone().Axis().Direction();
gp_Vec ng(axis); ng.Reverse();
return ng;
}
else if (du < tol) {
Standard_Real vf = GS.FirstVParameter();
Standard_Boolean onvf = Abs(p2d.Y()-vf)<toluv;
Standard_Real x = p2d.X(); Standard_Real y = p2d.Y();
//NYIXPU : devrait plutot etre fait sur les faces & TopOpeBRepTool_TOOL::minDUV...
if (onvf) y += 1.;
else y -= 1.;
S->D1(x,y,p,d1u,d1v);
gp_Vec ng = d1u^d1v;
return ng;
}
}
if (ST == GeomAbs_Sphere) {
// Standard_Real deuxpi = 2*PI;
Standard_Real pisur2 = PI*.5;
Standard_Real u = p2d.X(),v = p2d.Y();
// Standard_Boolean u0 =(Abs(u) < toluv);
// Standard_Boolean u2pi=(Abs(u-deuxpi) < toluv);
// Standard_Boolean apex = u0 || u2pi;
Standard_Boolean vpisur2 = (Abs(v-pisur2) < toluv);
Standard_Boolean vmoinspisur2 = (Abs(v+pisur2) < toluv);
Standard_Boolean apex = vpisur2 || vmoinspisur2;
if (apex) {
gp_Pnt center = GS.Sphere().Location();
gp_Pnt value = GS.Value(u,v);
gp_Vec ng(center,value);
// ng.Reverse();
return ng;
}
}
#ifdef DEB
cout<<"FUN_tool_nggeomF NYI"<<endl;
#endif
return gp_Dir(0,0,1);
}
gp_Dir udir(d1u);
gp_Dir vdir(d1v);
gp_Dir ngS(udir^vdir);
return ngS;
}
// ----------------------------------------------------------------------
Standard_EXPORT Standard_Boolean FUN_tool_line(const Handle(Geom_Curve)& C3d)
{
Handle(Geom_Curve) C = TopOpeBRepTool_ShapeTool::BASISCURVE(C3d);
GeomAdaptor_Curve GC(C);
Standard_Boolean line = (GC.GetType() == GeomAbs_Line);
return line;
}
// ----------------------------------------------------------------------
Standard_EXPORT Standard_Boolean FUN_quadCT(const GeomAbs_CurveType& CT)
{
Standard_Boolean isquad = Standard_False;
if (CT == GeomAbs_Line) isquad = Standard_True;
if (CT == GeomAbs_Circle) isquad = Standard_True;
if (CT == GeomAbs_Ellipse) isquad = Standard_True;
if (CT == GeomAbs_Hyperbola) isquad = Standard_True;
if (CT == GeomAbs_Parabola) isquad = Standard_True;
return isquad;
}
// ----------------------------------------------------------------------
Standard_EXPORT Standard_Boolean FUN_tool_quad(const Handle(Geom_Curve)& C3d)
{
Handle(Geom_Curve) C = TopOpeBRepTool_ShapeTool::BASISCURVE(C3d);
if (C.IsNull()) return Standard_False;
GeomAdaptor_Curve GC(C);
GeomAbs_CurveType CT = GC.GetType();
Standard_Boolean quad = FUN_quadCT(CT);
return quad;
}
// ----------------------------------------------------------------------
Standard_EXPORT Standard_Boolean FUN_tool_quad(const Handle(Geom2d_Curve)& pc)
{
Handle(Geom2d_Curve) pcb = BASISCURVE2D(pc); // NYI TopOpeBRepTool_ShapeTool
if (pcb.IsNull()) return Standard_False;
Geom2dAdaptor_Curve GC2d(pcb);
GeomAbs_CurveType typ = GC2d.GetType();
Standard_Boolean isquad = Standard_False;
if (typ == GeomAbs_Line) isquad = Standard_True;
if (typ == GeomAbs_Circle) isquad = Standard_True;
if (typ == GeomAbs_Ellipse) isquad = Standard_True;
if (typ == GeomAbs_Hyperbola) isquad = Standard_True;
if (typ == GeomAbs_Parabola) isquad = Standard_True;
return isquad;
}
// ----------------------------------------------------------------------
Standard_EXPORT Standard_Boolean FUN_tool_line(const Handle(Geom2d_Curve)& pc)
{
Handle(Geom2d_Curve) pcb = BASISCURVE2D(pc); // NYI TopOpeBRepTool_ShapeTool
if (pcb.IsNull()) return Standard_False;
Geom2dAdaptor_Curve GC2d(pcb);
GeomAbs_CurveType typ = GC2d.GetType();
if (typ == GeomAbs_Line) return Standard_True;
return Standard_False ;
}
// ----------------------------------------------------------------------
Standard_EXPORT Standard_Boolean FUN_tool_quad(const Handle(Geom_Surface)& S)
{
if (S.IsNull()) return Standard_False;
GeomAdaptor_Surface GAS(S);
GeomAbs_SurfaceType typ = GAS.GetType();
Standard_Boolean isquad = Standard_False;
if (typ == GeomAbs_Plane) isquad = Standard_True;
if (typ == GeomAbs_Cylinder) isquad = Standard_True;
if (typ == GeomAbs_Cone) isquad = Standard_True;
if (typ == GeomAbs_Sphere) isquad = Standard_True;
if (typ == GeomAbs_Torus) isquad = Standard_True;
return isquad;
}
// ----------------------------------------------------------------------
Standard_EXPORT Standard_Boolean FUN_tool_closed(const Handle(Geom_Surface)& S,
Standard_Boolean& uclosed,Standard_Real& uperiod,
Standard_Boolean& vclosed,Standard_Real& vperiod)
{
uperiod = vperiod = 0.;
if (S.IsNull()) return Standard_False;
uclosed = S->IsUClosed(); if (uclosed) uclosed = S->IsUPeriodic(); //xpu261098 (BUC60382)
if (uclosed) uperiod = S->UPeriod();
vclosed = S->IsVClosed(); if (vclosed) vclosed = S->IsVPeriodic();
if (vclosed) vperiod = S->VPeriod();
Standard_Boolean closed = uclosed || vclosed;
return closed;
}
// ----------------------------------------------------------------------
Standard_EXPORT void FUN_tool_UpdateBnd2d(Bnd_Box2d& B2d,const Bnd_Box2d& newB2d)
{
// B2d.SetVoid(); -> DOESN'T EMPTY THE BOX
B2d = newB2d;
}
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