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// File: BRepIntCurveSurface_Inter.cxx
// Created: Mon Feb 7 15:52:37 1994
// Author: Modelistation
// <model@nonox>
//-Copyright: Matra Datavision 1994
#include <BRepIntCurveSurface_Inter.ixx>
#include <Geom_Line.hxx>
#include <TopAbs_ShapeEnum.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Face.hxx>
#include <BRepAdaptor_Surface.hxx>
#include <BRepAdaptor_HSurface.hxx>
#include <GeomAdaptor_HCurve.hxx>
#include <BRepTopAdaptor_TopolTool.hxx>
#include <BRepAdaptor_HSurface.hxx>
//modified by NIZNHY-PKV Sun Dec 15 16:57:10 2002 f
/*
static Standard_Real currentU,currentV;
TopAbs_State currentstate;
static Handle(BRepTopAdaptor_TopolTool) FastClass
= new BRepTopAdaptor_TopolTool();
static Handle(BRepAdaptor_HSurface) SurfForFastClass
= new BRepAdaptor_HSurface();
*/
//modified by NIZNHY-PKV Sun Dec 15 16:57:14 2002 t
//===========================================================================
//function :BRepIntCurveSurface_Inter::BRepIntCurveSurface_Inte
//purpose :
//===========================================================================
BRepIntCurveSurface_Inter::BRepIntCurveSurface_Inter()
: empty(Standard_True)
{
//modified by NIZNHY-PKV Sun Dec 15 16:58:10 2002 f
FastClass = new BRepTopAdaptor_TopolTool();
SurfForFastClass = new BRepAdaptor_HSurface();
//modified by NIZNHY-PKV Sun Dec 15 16:58:13 2002 t
}
void BRepIntCurveSurface_Inter::Init(const TopoDS_Shape& ashape,
const GeomAdaptor_Curve& acurve,
const Standard_Real tol) {
empty = Standard_False;
curveisaline = Standard_False;
curve = acurve;
explorer.Init(ashape,TopAbs_FACE);
currentnbpoints = 0;
tolerance = tol;
Find();
}
void BRepIntCurveSurface_Inter::Init(const TopoDS_Shape& ashape,
const gp_Lin& aline,
const Standard_Real tol) {
empty = Standard_False;
curveisaline = Standard_True;
line = aline;
Handle(Geom_Line) geomline = new Geom_Line(aline);
curve.Load(geomline);
explorer.Init(ashape,TopAbs_FACE);
currentnbpoints = 0;
tolerance = tol;
Find();
}
Standard_Boolean BRepIntCurveSurface_Inter::More() const {
return(explorer.More());
}
void BRepIntCurveSurface_Inter::Next() {
Find();
}
void BRepIntCurveSurface_Inter::Find() {
static Standard_Real UMin = 0.0;
static Standard_Real UMax = 0.0;
static Standard_Real VMin = 0.0;
static Standard_Real VMax = 0.0;
static Standard_Real PeriodU = 0.0;
static Standard_Real PeriodV = 0.0;
if(currentnbpoints) {
while(currentindex < currentnbpoints) {
currentindex++;
Standard_Real U = intcs.Point(currentindex).U();
Standard_Real V = intcs.Point(currentindex).V();
//-------------------------------------------------------
//-- On Cherche a recadrer le point U,V ds la face UV
//--
if(PeriodU) {
while(U>UMin)
U-=PeriodU;
}
if(PeriodV) {
while(V>VMin)
V-=PeriodV;
}
// Standard_Real UInit = U;
Standard_Real VInit = V;
do { //-- Boucle Sur U
V = VInit;
do { //-- Boucle sur V
gp_Pnt2d Puv(U,V);
//---
//-- classifier.Perform(TopoDS::Face(explorer.Current()),Puv,tolerance);
currentstate = FastClass->Classify(Puv,tolerance); //-- MODIF
//-- TopAbs_State currentstate = classifier.State();
if(currentstate == TopAbs_ON || currentstate == TopAbs_IN) {
currentU = U;
currentV = V;
return;
}
V+=PeriodV;
}
while(PeriodV && V< VMax);
U+=PeriodU;
}
while(PeriodU && U<UMax);
}
explorer.Next();
}
if(explorer.More()) {
//---------------------------------------------
BRepAdaptor_Surface brepadaptsurf;
TopoDS_Face face=TopoDS::Face(explorer.Current());
face.Orientation(TopAbs_FORWARD);
brepadaptsurf.Initialize(face,Standard_True);
//----------------------------------------------
//-- Mise a jour des variables PeriodU,PeriodV
//--
SurfForFastClass->ChangeSurface().Initialize(face); //-- MODIF
// SurfForFastClass->ChangeSurface().Initialize(TopoDS::Face(face)); //-- MODIF
FastClass->Initialize(SurfForFastClass); //-- MODIF
if( brepadaptsurf.Surface().IsUPeriodic()) {
PeriodU = brepadaptsurf.Surface().UPeriod();
UMin = brepadaptsurf.Surface().FirstUParameter();
UMax = brepadaptsurf.Surface().LastUParameter();
}
else {
PeriodU = 0.0;
}
if( brepadaptsurf.Surface().IsVPeriodic()) {
PeriodV = brepadaptsurf.Surface().VPeriod();
VMin = brepadaptsurf.Surface().FirstVParameter();
VMax = brepadaptsurf.Surface().LastVParameter();
}
else {
PeriodV = 0.0;
}
//----------------------------------------------
Handle(GeomAdaptor_HCurve) HC = new GeomAdaptor_HCurve(curve);
Handle(BRepAdaptor_HSurface) HS = new BRepAdaptor_HSurface(brepadaptsurf);
//----------------------------------------------
//-- intcs.Perform(curve,brepadaptsurf);
intcs.Perform(HC,HS);
currentindex = 0;
currentnbpoints = intcs.NbPoints();
if(currentnbpoints) {
Find();
}
else {
explorer.Next();
Find();
}
}
else {
currentnbpoints=0;
}
}
IntCurveSurface_IntersectionPoint BRepIntCurveSurface_Inter::Point() const {
if(currentindex==0)
StdFail_NotDone::Raise();
const IntCurveSurface_IntersectionPoint& ICPS = intcs.Point(currentindex);
return(IntCurveSurface_IntersectionPoint(ICPS.Pnt(),
currentU, // ICPS.U(),
currentV, // ICPS.V(),
ICPS.W(),
ICPS.Transition()));
//-- return(intcs.Point(currentindex));
}
Standard_Real BRepIntCurveSurface_Inter::U() const {
if(currentindex==0)
StdFail_NotDone::Raise();
//-- return(intcs.Point(currentindex).U());
return(currentU);
}
Standard_Real BRepIntCurveSurface_Inter::V() const {
if(currentindex==0)
StdFail_NotDone::Raise();
//-- return(intcs.Point(currentindex).V());
return(currentV);
}
Standard_Real BRepIntCurveSurface_Inter::W() const {
if(currentindex==0)
StdFail_NotDone::Raise();
return(intcs.Point(currentindex).W());
}
TopAbs_State BRepIntCurveSurface_Inter::State() const {
if(currentindex==0)
StdFail_NotDone::Raise();
//-- return(classifier.State());
return(currentstate);
}
IntCurveSurface_TransitionOnCurve BRepIntCurveSurface_Inter::Transition() const {
if(currentindex==0)
StdFail_NotDone::Raise();
return(intcs.Point(currentindex).Transition());
}
const TopoDS_Face& BRepIntCurveSurface_Inter::Face() const {
return(TopoDS::Face(explorer.Current()));
}
const gp_Pnt& BRepIntCurveSurface_Inter::Pnt() const {
if(currentindex==0)
StdFail_NotDone::Raise();
return(intcs.Point(currentindex).Pnt());
}
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