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// File: GccAna_LinPnt2dBisec.cxx
// Created: Fri Oct 4 09:53:31 1991
// Author: Remi GILET
// <reg@phobox>
//=========================================================================
// CREATION DE LA BISSECTRICE ENTRE UNE DROITE ET UN POINTS. +
//=========================================================================
#include <GccAna_LinPnt2dBisec.ixx>
#include <gp_XY.hxx>
#include <gp_Dir2d.hxx>
#include <gp_Ax2d.hxx>
#include <GccInt_BParab.hxx>
#include <GccInt_BLine.hxx>
#include <Standard_ConstructionError.hxx>
#include <StdFail_NotDone.hxx>
#include <gp.hxx>
//=========================================================================
GccAna_LinPnt2dBisec::
GccAna_LinPnt2dBisec (const gp_Lin2d& Line1 ,
const gp_Pnt2d& Point2) {
WellDone = Standard_False;
Standard_Real xdir = Line1.Direction().X();
Standard_Real ydir = Line1.Direction().Y();
Standard_Real xloc = Line1.Location().X();
Standard_Real yloc = Line1.Location().Y();
Standard_Real dist = Line1.Distance(Point2);
// if ( dist > gp::Resolution()) {
if ( dist > 1.e-10)
{
Standard_Real xpoint2 = Point2.X();
Standard_Real ypoint2 = Point2.Y();
if ((-ydir*(xpoint2-xloc)+xdir*(ypoint2-yloc)) > 0.0)
{
gp_Ax2d axeparab(gp_Pnt2d(Point2.XY()-dist/2.*gp_XY(-ydir,xdir)),
gp_Dir2d(-ydir,xdir));
gp_Parab2d bislinpnt(axeparab,dist/2.0);
bissol = new GccInt_BParab(bislinpnt);
// =====================================
}
else
{
gp_Ax2d axeparab(gp_Pnt2d(Point2.XY()+dist/2.*gp_XY(-ydir,xdir)),
gp_Dir2d(ydir,-xdir));
gp_Parab2d bislinpnt(axeparab,dist/2.0);
bissol = new GccInt_BParab(bislinpnt);
// =====================================
}
WellDone = Standard_True;
}
else
{
gp_Lin2d bislinpnt(Point2,gp_Dir2d(-ydir,xdir));
bissol = new GccInt_BLine(bislinpnt);
// ====================================
WellDone = Standard_True;
}
}
//=========================================================================
Standard_Boolean GccAna_LinPnt2dBisec::
IsDone () const { return WellDone; }
Handle(GccInt_Bisec) GccAna_LinPnt2dBisec::
ThisSolution () const
{
if (!WellDone)
StdFail_NotDone::Raise();
return bissol;
}
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