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// File: MeshVS_SensitiveFace.cxx
// Created: Mon Sep 29 2003
// Author: Alexander SOLOVYOV and Sergey LITONIN
// Copyright: Open CASCADE 2003
#include <MeshVS_SensitiveFace.ixx>
#include <TColgp_Array1OfPnt.hxx>
#include <Select3D_Projector.hxx>
#include <CSLib_Class2d.hxx>
#include <TopLoc_Location.hxx>
//=======================================================================
// name : MeshVS_SensitiveFace::MeshVS_SensitiveFace
// Purpose :
//=======================================================================
MeshVS_SensitiveFace::MeshVS_SensitiveFace (
const Handle(SelectBasics_EntityOwner)& theOwnerId,
const TColgp_Array1OfPnt& thePnts,
const Select3D_TypeOfSensitivity theSensitivity )
: Select3D_SensitiveFace( theOwnerId, thePnts, theSensitivity )
{
gp_XYZ c( 0, 0, 0 );
Standard_Integer nbPnts = thePnts.Upper() - thePnts.Lower() + 1;
for ( Standard_Integer i = thePnts.Lower(); i <= thePnts.Upper(); i++ )
c += thePnts( i ).XYZ();
myCentre.SetXYZ( c / nbPnts );
}
//=======================================================================
// name : MeshVS_SensitiveFace::Project
// Purpose :
//=======================================================================
void MeshVS_SensitiveFace::Project( const Handle(Select3D_Projector)& aProj )
{
Select3D_SensitiveFace::Project( aProj );
if ( HasLocation() )
aProj->Project( myCentre.Transformed( Location().Transformation() ), myProjCentre );
else
aProj->Project( myCentre, myProjCentre );
}
//=======================================================================
// name : MeshVS_SensitiveFace::Matches
// Purpose :
//=======================================================================
Standard_Boolean MeshVS_SensitiveFace::Matches( const Standard_Real XMin,
const Standard_Real YMin,
const Standard_Real XMax,
const Standard_Real YMax,
const Standard_Real aTol )
{
Bnd_Box2d aBox;
aBox.Update( XMin-aTol, YMin-aTol, XMax+aTol, YMax+aTol );
return !aBox.IsOut( myProjCentre );
}
//=======================================================================
// name : MeshVS_SensitiveFace::Matches
// Purpose :
//=======================================================================
Standard_Boolean MeshVS_SensitiveFace::Matches( const TColgp_Array1OfPnt2d& Polyline,
const Bnd_Box2d& aBox,
const Standard_Real aTol )
{
Standard_Real Umin, Vmin, Umax, Vmax;
aBox.Get ( Umin,Vmin,Umax,Vmax );
CSLib_Class2d aClassifier2d( Polyline, aTol, aTol, Umin, Vmin, Umax, Vmax );
Standard_Integer aRes = aClassifier2d.SiDans( myProjCentre );
return ( aRes == 1) ;
}
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