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// Copyright: Matra- ()Datavision 1995
// File: Select2D_SensitivePoint.cxx
// Created: Thu Jan 26 16:37:33 1995
// Author: Mister rmi
// <rmi>
#include <Select2D_SensitivePoint.ixx>
#include <Bnd_Box2d.hxx>
#include <gp_Vec2d.hxx>
#include <gp_Lin2d.hxx>
//==================================
//function : Constructor
//purpose :
//==================================
Select2D_SensitivePoint::
Select2D_SensitivePoint(const Handle(SelectBasics_EntityOwner)& OwnerId,
const gp_Pnt2d& Location,
const Standard_Real InitSensitivity):
Select2D_SensitiveEntity(OwnerId),
mylocation(Location),
mysensitivity(InitSensitivity)
{}
//==================================
//function : Areas
//purpose :
//==================================
void Select2D_SensitivePoint::
Areas (SelectBasics_ListOfBox2d& boxes)
{ Bnd_Box2d abox;
abox.Set(mylocation);
abox.Enlarge(mysensitivity);
boxes.Append(abox);
}
//==================================
//function : Matches
//purpose :
//==================================
Standard_Boolean Select2D_SensitivePoint::
Matches (const Standard_Real X,
const Standard_Real Y,
const Standard_Real aTol,
Standard_Real& MinDist)
{
Standard_Real TheTol = HasOwnTolerance()? myOwnTolerance : aTol;
MinDist = mylocation.Distance(gp_Pnt2d(X,Y));
if(MinDist<=TheTol+mysensitivity) return Standard_True;
return Standard_False;
}
Standard_Boolean Select2D_SensitivePoint::
Matches (const Standard_Real XMin,
const Standard_Real YMin,
const Standard_Real XMax,
const Standard_Real YMax,
const Standard_Real aTol)
{//distance point-Line....
Standard_Real MinDist = gp_Lin2d(gp_Pnt2d(XMin,YMin),
gp_Vec2d(gp_Pnt2d(XMin,YMin),
gp_Pnt2d(XMax,YMax))
).Distance(mylocation);
return (MinDist<=aTol+mysensitivity);
}
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