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// File: IntCurve_IntConicConic_Tool.cxx
// Created: Wed May 6 16:09:07 1992
// Author: Laurent BUCHARD
// <lbr@topsn3>
#include <IntCurve_IntConicConic_Tool.hxx>
#include <gp.hxx>
#define TOLERANCE_ANGULAIRE 0.00000001
//======================================================================
//=== R e s s o u r c e s G e n e r a l e s ===
//======================================================================
void Determine_Transition_LC(const IntRes2d_Position Pos1,
gp_Vec2d& Tan1,
const gp_Vec2d& Norm1,
IntRes2d_Transition& T1,
const IntRes2d_Position Pos2,
gp_Vec2d& Tan2,
const gp_Vec2d& Norm2,
IntRes2d_Transition& T2,
const Standard_Real ) {
Standard_Real sgn=Tan1.Crossed(Tan2);
Standard_Real norm=Tan1.Magnitude()*Tan2.Magnitude();
if (Abs(sgn)<=TOLERANCE_ANGULAIRE*norm) { // Transition TOUCH #########
Standard_Boolean opos=(Tan1.Dot(Tan2))<0;
gp_Vec2d Norm;
// Modified by Sergey KHROMOV - Thu Nov 2 17:57:15 2000 Begin
Tan1.Normalize();
// Modified by Sergey KHROMOV - Thu Nov 2 17:57:16 2000 End
Norm.SetCoord(-Tan1.Y(),Tan1.X());
Standard_Real Val1=Norm.Dot(Norm1);
Standard_Real Val2=Norm.Dot(Norm2);
if (Abs(Val1-Val2) <= gp::Resolution()) {
T1.SetValue(Standard_True,Pos1,IntRes2d_Unknown,opos);
T2.SetValue(Standard_True,Pos2,IntRes2d_Unknown,opos);
}
else if (Val2 > Val1) {
T2.SetValue(Standard_True,Pos2,IntRes2d_Inside,opos);
if (opos) { T1.SetValue(Standard_True,Pos1,IntRes2d_Inside,opos); }
else { T1.SetValue(Standard_True,Pos1,IntRes2d_Outside,opos); }
}
else { // Val1 > Val2
T2.SetValue(Standard_True,Pos2,IntRes2d_Outside,opos);
if (opos) { T1.SetValue(Standard_True,Pos1,IntRes2d_Outside,opos); }
else { T1.SetValue(Standard_True,Pos1,IntRes2d_Inside,opos); }
}
}
else if (sgn<0) {
T1.SetValue(Standard_False,Pos1,IntRes2d_In);
T2.SetValue(Standard_False,Pos2,IntRes2d_Out);
}
else {
T1.SetValue(Standard_False,Pos1,IntRes2d_Out);
T2.SetValue(Standard_False,Pos2,IntRes2d_In);
}
}
//----------------------------------------------------------------------
Standard_Real NormalizeOnCircleDomain(const Standard_Real _Param
,const IntRes2d_Domain& TheDomain) {
Standard_Real Param=_Param;
while(Param<TheDomain.FirstParameter()) {
Param+=PIpPI;
}
while(Param>TheDomain.LastParameter()) {
Param-=PIpPI;
}
return(Param);
}
//----------------------------------------------------------------------
PeriodicInterval PeriodicInterval::FirstIntersection(PeriodicInterval& PInter)
{
Standard_Real a,b;
if(PInter.isnull || isnull) {
PeriodicInterval PourSGI; return(PourSGI);
}
else {
if(Length() >= PIpPI)
return(PeriodicInterval(PInter.Binf,PInter.Bsup));
if(PInter.Length()>=PIpPI)
return(PeriodicInterval(Binf,Bsup));
if(PInter.Bsup<=Binf) {
while(PInter.Binf <= Binf && PInter.Bsup <= Binf) {
PInter.Binf+=PIpPI; PInter.Bsup+=PIpPI;
}
}
if(PInter.Binf >= Bsup) {
while(PInter.Binf >=Bsup && PInter.Bsup >= Bsup) {
PInter.Binf-=PIpPI; PInter.Bsup-=PIpPI;
}
}
if((PInter.Bsup < Binf) || (PInter.Binf > Bsup)) {
PeriodicInterval PourSGI; return(PourSGI);
}
}
a=(PInter.Binf > Binf)? PInter.Binf : Binf;
b=(PInter.Bsup < Bsup)? PInter.Bsup : Bsup;
return(PeriodicInterval(a,b));
}
//----------------------------------------------------------------------
PeriodicInterval PeriodicInterval::SecondIntersection(PeriodicInterval& PInter)
{
Standard_Real a,b;
if(PInter.isnull
|| isnull
|| this->Length()>=PIpPI
|| PInter.Length()>=PIpPI) {
PeriodicInterval PourSGI; return(PourSGI);
}
Standard_Real PInter_inf=PInter.Binf+PIpPI;
Standard_Real PInter_sup=PInter.Bsup+PIpPI;
if(PInter_inf > Bsup) {
PInter_inf=PInter.Binf-PIpPI;
PInter_sup=PInter.Bsup-PIpPI;
}
if((PInter_sup < Binf) || (PInter_inf > Bsup)) {
PeriodicInterval PourSGI; return(PourSGI);
}
else {
a=(PInter_inf > Binf)? PInter_inf : Binf;
b=(PInter_sup < Bsup)? PInter_sup : Bsup;
}
return(PeriodicInterval(a,b));
}
//----------------------------------------------------------------------
Interval::Interval() : Binf(0.0), Bsup(0.0),HasFirstBound(Standard_False), HasLastBound(Standard_False)
{ IsNull=Standard_True; }
Interval::Interval(const Standard_Real a,const Standard_Real b) {
HasFirstBound=HasLastBound=Standard_True;
if(a<b) { Binf=a; Bsup=b; }
else { Binf=b; Bsup=a; }
IsNull=Standard_False;
}
Interval::Interval(const IntRes2d_Domain& Domain) {
IsNull=Standard_False;
if(Domain.HasFirstPoint()) {
HasFirstBound=Standard_True;
Binf=Domain.FirstParameter()-Domain.FirstTolerance();
}
else
HasFirstBound=Standard_False;
if(Domain.HasLastPoint()) {
HasLastBound=Standard_True;
Bsup=Domain.LastParameter()+Domain.LastTolerance();
}
else HasLastBound=Standard_False;
}
Interval::Interval( const Standard_Real a,const Standard_Boolean hf
,const Standard_Real b,const Standard_Boolean hl) {
Binf=a; Bsup=b;
IsNull=Standard_False;
HasFirstBound=hf;
HasLastBound=hl;
}
Standard_Real Interval::Length() { return((IsNull)? -1.0 :Abs(Bsup-Binf)); }
Interval Interval::IntersectionWithBounded(const Interval& Inter) {
if(IsNull || Inter.IsNull) { Interval PourSGI; return(PourSGI); }
if(!(HasFirstBound || HasLastBound))
return(Interval(Inter.Binf,Inter.Bsup));
Standard_Real a,b;
if(HasFirstBound) {
if(Inter.Bsup < Binf) { Interval PourSGI; return(PourSGI); }
a=(Inter.Binf < Binf)? Binf : Inter.Binf;
}
else { a=Inter.Binf; }
if(HasLastBound) {
if(Inter.Binf > Bsup) { Interval PourSGI; return(PourSGI); }
b=(Inter.Bsup > Bsup)? Bsup : Inter.Bsup;
}
else { b=Inter.Bsup; }
return(Interval(a,b));
}
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