[occt.git] / src / AIS / AIS_EqualRadiusRelation.cxx

// Created on: 1998-01-20
// Created by: Julia GERASIMOVA
// Copyright (c) 1998-1999 Matra Datavision
// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.


#include <AIS.hxx>
#include <AIS_EqualRadiusRelation.hxx>
#include <BRepAdaptor_Curve.hxx>
#include <DsgPrs_EqualRadiusPresentation.hxx>
#include <ElCLib.hxx>
#include <Geom_Circle.hxx>
#include <Geom_Plane.hxx>
#include <Geom_Transformation.hxx>
#include <GeomAPI_ProjectPointOnSurf.hxx>
#include <gp_Circ.hxx>
#include <Precision.hxx>
#include <Prs3d_ArrowAspect.hxx>
#include <Prs3d_DimensionAspect.hxx>
#include <Prs3d_Drawer.hxx>
#include <Prs3d_Presentation.hxx>
#include <Prs3d_Projector.hxx>
#include <Select3D_SensitiveBox.hxx>
#include <Select3D_SensitiveSegment.hxx>
#include <SelectMgr_EntityOwner.hxx>
#include <SelectMgr_Selection.hxx>
#include <Standard_NotImplemented.hxx>
#include <Standard_Type.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Edge.hxx>

IMPLEMENT_STANDARD_RTTIEXT(AIS_EqualRadiusRelation,AIS_Relation)

//=======================================================================
//function : AIS_EqualRadiusRelation
//purpose  : 
//=======================================================================
AIS_EqualRadiusRelation::AIS_EqualRadiusRelation( const TopoDS_Edge& aFirstEdge,
						  const TopoDS_Edge& aSecondEdge,
						  const Handle( Geom_Plane )& aPlane )
     :AIS_Relation()
{
  myFShape = aFirstEdge;
  mySShape = aSecondEdge;
  myPlane  = aPlane;
}

//=======================================================================
//function : Compute
//purpose  :
//=======================================================================

void AIS_EqualRadiusRelation::Compute( const Handle( PrsMgr_PresentationManager3d )&,
				       const Handle( Prs3d_Presentation )& aPresentation,
				       const Standard_Integer ) 
{
  BRepAdaptor_Curve FirstCurve( TopoDS::Edge( myFShape ) ), SecondCurve( TopoDS::Edge( mySShape ) );

  Standard_Real FirstPar1 = FirstCurve.FirstParameter(), LastPar1 = FirstCurve.LastParameter(),
                FirstPar2 = SecondCurve.FirstParameter(), LastPar2 = SecondCurve.LastParameter();

  Handle( Geom_Curve ) FirstProjCurve = FirstCurve.Curve().Curve(),
                       SecondProjCurve = SecondCurve.Curve().Curve();
  gp_Pnt FirstPoint1, LastPoint1, FirstPoint2, LastPoint2;
  Standard_Boolean isFirstOnPlane, isSecondOnPlane;

  AIS::ComputeGeomCurve( FirstProjCurve, FirstPar1, LastPar1, FirstPoint1, LastPoint1, myPlane, isFirstOnPlane );
  AIS::ComputeGeomCurve( SecondProjCurve, FirstPar2, LastPar2, FirstPoint2, LastPoint2, myPlane, isSecondOnPlane );

  if (!isFirstOnPlane)
    ComputeProjEdgePresentation( aPresentation, TopoDS::Edge( myFShape ), FirstProjCurve, FirstPoint1, LastPoint1 );
  if (! isSecondOnPlane)
    ComputeProjEdgePresentation( aPresentation, TopoDS::Edge( mySShape ), SecondProjCurve, FirstPoint2, LastPoint2 );

  gp_Circ FirstCirc = (Handle( Geom_Circle )::DownCast( FirstProjCurve ))->Circ();
  gp_Circ SecondCirc = (Handle( Geom_Circle )::DownCast( SecondProjCurve ))->Circ();
  
  myFirstCenter = FirstCirc.Location();
  mySecondCenter = SecondCirc.Location();
  
  //ota -- begin --
  if (myAutomaticPosition)
    {
      myFirstPoint = ElCLib::Value( (FirstPar1 + LastPar1)*0.5, FirstCirc );
      mySecondPoint = ElCLib::Value( (FirstPar2 + LastPar2)*0.5, SecondCirc );
    }
  else {
    Standard_Real aPar =  ElCLib::Parameter(FirstCirc, myFirstPoint);
    if (IntegerPart(0.5*LastPar1/M_PI) != 0 &&  aPar < FirstPar1 )
      aPar +=2*M_PI*IntegerPart(0.5*LastPar1/M_PI);
    Standard_Real aRadius = FirstCirc.Radius();

    if (Abs(myFirstPoint.Distance(myFirstCenter) - aRadius) >= Precision::Confusion())
      myFirstPoint = ElCLib::Value(aPar, FirstCirc);
    if ( FirstPoint1.Distance(LastPoint1) > Precision::Confusion()){
      //check where is myFirstPoint
      if (aPar > LastPar1 || aPar < FirstPar1)
	{
	  //myFirstPoint is out of Arc of FirstCircle
	  if (FirstPoint1.Distance(myFirstPoint)< LastPoint1.Distance(myFirstPoint))
	    myFirstPoint = FirstPoint1; 
	  else
	    myFirstPoint = LastPoint1; 
	}
    }
  
    
    aPar =  ElCLib::Parameter(SecondCirc, mySecondPoint);
    if (IntegerPart(0.5*LastPar2/M_PI) != 0 &&  aPar < FirstPar2 )
      aPar +=2*M_PI*IntegerPart(0.5*LastPar2/M_PI);
    
    aRadius = SecondCirc.Radius();
    if (Abs(mySecondPoint.Distance(mySecondCenter) - aRadius) >= Precision::Confusion())
      mySecondPoint =  ElCLib::Value(aPar, SecondCirc);
    if (FirstPoint2.Distance(LastPoint2) > Precision::Confusion()){
      if (aPar > LastPar2 || aPar < FirstPar2)
	{ //mySecondPoint is out of Arc of mySecondCircle
	  if (FirstPoint2.Distance(mySecondPoint)< LastPoint2.Distance(mySecondPoint))
	    mySecondPoint = FirstPoint2; 
	  else
	    mySecondPoint = LastPoint2;
	}
    }
  }
  if( !myArrowSizeIsDefined )
    myArrowSize = (Min(myFirstCenter.Distance(myFirstPoint),
		     mySecondCenter.Distance(mySecondPoint)))*0.05;
  
  Handle(Prs3d_DimensionAspect) la = myDrawer->DimensionAspect();
  Handle(Prs3d_ArrowAspect) arr = la->ArrowAspect();
  arr->SetLength(myArrowSize);
  
  //ota -- end --
  
  DsgPrs_EqualRadiusPresentation::Add(aPresentation, myDrawer, 
				      myFirstCenter, mySecondCenter, myFirstPoint, mySecondPoint, myPlane );
}

//=======================================================================
//function : Compute
//purpose  : to avoid warning at compilation (SUN)
//=======================================================================

void AIS_EqualRadiusRelation::Compute( const Handle( Prs3d_Projector )& /*aProjector*/,
				       const Handle( Prs3d_Presentation )& /*aPresentation*/)
{
// throw Standard_NotImplemented("AIS_EqualRadiusRelation::Compute( const Handle( Prs3d_Projector )&,const Handle( Prs3d_Presentation )& )");
// PrsMgr_PresentableObject::Compute( aProjector , aPresentation ) ;
}

//=======================================================================
//function : Compute
//purpose  : 
//=======================================================================

void AIS_EqualRadiusRelation::Compute(const Handle(Prs3d_Projector)& aProjector,
                                      const Handle(Geom_Transformation)& aTransformation,
                                      const Handle(Prs3d_Presentation)& aPresentation)
{
// throw Standard_NotImplemented("AIS_EqualRadiusRelation::Compute(const Handle(Prs3d_Projector)&, const Handle(Geom_Transformation)&, const Handle(Prs3d_Presentation)&)");
 PrsMgr_PresentableObject::Compute( aProjector , aTransformation , aPresentation ) ;
}

//=======================================================================
//function : ComputeSelection
//purpose  : 
//=======================================================================

void AIS_EqualRadiusRelation::ComputeSelection( const Handle( SelectMgr_Selection )& aSelection,
					        const Standard_Integer ) 
{
  Handle( SelectMgr_EntityOwner ) own = new SelectMgr_EntityOwner( this, 7 );
  Handle( Select3D_SensitiveSegment ) seg;

  seg = new Select3D_SensitiveSegment( own, myFirstCenter, myFirstPoint );
  aSelection->Add( seg );
  
  if(!myAutomaticPosition) 
    ComputeRadiusPosition();
  
  seg = new Select3D_SensitiveSegment( own, mySecondCenter, mySecondPoint );
  aSelection->Add( seg );
  
  seg = new Select3D_SensitiveSegment( own, myFirstCenter, mySecondCenter );
  aSelection->Add( seg );
  
  
  // Two small lines
  gp_Pnt Middle( (myFirstCenter.XYZ() + mySecondCenter.XYZ())*0.5 );

  Standard_Real SmallDist = .001;
  //Should be changed as the domain of small lines could be changed.
  Handle( Select3D_SensitiveBox ) box = new Select3D_SensitiveBox(own,
								  Middle.X() - SmallDist,
								  Middle.Y() - SmallDist,
								  Middle.Z() - SmallDist,
								  Middle.X() + SmallDist,
								  Middle.Y() + SmallDist,
								  Middle.Z() + SmallDist );
  aSelection->Add(box);
}

//=================================================================
//function : ComputeRadiusPosition
//purpose  :
//=================================================================
void AIS_EqualRadiusRelation::ComputeRadiusPosition() 
{
  if (myAutomaticPosition ||
      myFirstCenter.Distance(myPosition) < Precision::Confusion() ||
      mySecondCenter.Distance(myPosition) <  Precision::Confusion())
      return;

  gp_Pnt aPosition;

  //project myPosition to the plane of constraint
  GeomAPI_ProjectPointOnSurf aProj(myPosition, myPlane);
  aPosition =  aProj.NearestPoint();
		
  Standard_Real aDist1 = myFirstPoint.Distance(aPosition);
  Standard_Real aDist2 = mySecondPoint.Distance(aPosition);
  
  if(aDist1<aDist2)
    {
      Standard_Real Rad1 = myFirstPoint.Distance(myFirstCenter);
      const gp_Dir aNewDir1(aPosition.XYZ() - myFirstCenter.XYZ());
      const gp_Vec aTVec (aNewDir1.XYZ()*Rad1); 
      myFirstPoint = myFirstCenter.Translated(aTVec);
    }
  else {
    Standard_Real Rad2 = mySecondPoint.Distance(mySecondCenter);
    const gp_Dir aNewDir2(aPosition.XYZ() - mySecondCenter.XYZ());
    gp_Vec aTVec (aNewDir2.XYZ()*Rad2); 
    mySecondPoint = mySecondCenter.Translated(aTVec);
  }
  
}
Commit	Line	Data
b311480e	1	// Created on: 1998-01-20
	2	// Created by: Julia GERASIMOVA
	3	// Copyright (c) 1998-1999 Matra Datavision
973c2be1	4	// Copyright (c) 1999-2014 OPEN CASCADE SAS
b311480e	5	//
973c2be1	6	// This file is part of Open CASCADE Technology software library.
b311480e	7	//
d5f74e42	8	// This library is free software; you can redistribute it and/or modify it under
d5f74e42	9	// the terms of the GNU Lesser General Public License version 2.1 as published
973c2be1	10	// by the Free Software Foundation, with special exception defined in the file
	11	// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
	12	// distribution for complete text of the license and disclaimer of any warranty.
b311480e	13	//
973c2be1	14	// Alternatively, this file may be used under the terms of Open CASCADE
973c2be1	15	// commercial license or contractual agreement.
7fd59977	16
7fd59977	17
7fd59977	18	#include <AIS.hxx>
42cf5bc1	19	#include <AIS_EqualRadiusRelation.hxx>
7fd59977	20	#include <BRepAdaptor_Curve.hxx>
42cf5bc1	21	#include <DsgPrs_EqualRadiusPresentation.hxx>
7fd59977	22	#include <ElCLib.hxx>
42cf5bc1	23	#include <Geom_Circle.hxx>
	24	#include <Geom_Plane.hxx>
	25	#include <Geom_Transformation.hxx>
7fd59977	26	#include <GeomAPI_ProjectPointOnSurf.hxx>
42cf5bc1	27	#include <gp_Circ.hxx>
42cf5bc1	28	#include <Precision.hxx>
7fd59977	29	#include <Prs3d_ArrowAspect.hxx>
42cf5bc1	30	#include <Prs3d_DimensionAspect.hxx>
6262338c	31	#include <Prs3d_Drawer.hxx>
42cf5bc1	32	#include <Prs3d_Presentation.hxx>
	33	#include <Prs3d_Projector.hxx>
	34	#include <Select3D_SensitiveBox.hxx>
	35	#include <Select3D_SensitiveSegment.hxx>
	36	#include <SelectMgr_EntityOwner.hxx>
	37	#include <SelectMgr_Selection.hxx>
	38	#include <Standard_NotImplemented.hxx>
	39	#include <Standard_Type.hxx>
	40	#include <TopoDS.hxx>
	41	#include <TopoDS_Edge.hxx>
7fd59977	42
92efcf78	43	IMPLEMENT_STANDARD_RTTIEXT(AIS_EqualRadiusRelation,AIS_Relation)
92efcf78	44
7fd59977	45	//=======================================================================
	46	//function : AIS_EqualRadiusRelation
	47	//purpose :
	48	//=======================================================================
7fd59977	49	AIS_EqualRadiusRelation::AIS_EqualRadiusRelation( const TopoDS_Edge& aFirstEdge,
	50	const TopoDS_Edge& aSecondEdge,
	51	const Handle( Geom_Plane )& aPlane )
	52	:AIS_Relation()
	53	{
	54	myFShape = aFirstEdge;
	55	mySShape = aSecondEdge;
	56	myPlane = aPlane;
	57	}
	58
	59	//=======================================================================
	60	//function : Compute
	61	//purpose :
	62	//=======================================================================
	63
	64	void AIS_EqualRadiusRelation::Compute( const Handle( PrsMgr_PresentationManager3d )&,
	65	const Handle( Prs3d_Presentation )& aPresentation,
	66	const Standard_Integer )
	67	{
7fd59977	68	BRepAdaptor_Curve FirstCurve( TopoDS::Edge( myFShape ) ), SecondCurve( TopoDS::Edge( mySShape ) );
	69
	70	Standard_Real FirstPar1 = FirstCurve.FirstParameter(), LastPar1 = FirstCurve.LastParameter(),
	71	FirstPar2 = SecondCurve.FirstParameter(), LastPar2 = SecondCurve.LastParameter();
	72
	73	Handle( Geom_Curve ) FirstProjCurve = FirstCurve.Curve().Curve(),
	74	SecondProjCurve = SecondCurve.Curve().Curve();
	75	gp_Pnt FirstPoint1, LastPoint1, FirstPoint2, LastPoint2;
	76	Standard_Boolean isFirstOnPlane, isSecondOnPlane;
	77
	78	AIS::ComputeGeomCurve( FirstProjCurve, FirstPar1, LastPar1, FirstPoint1, LastPoint1, myPlane, isFirstOnPlane );
	79	AIS::ComputeGeomCurve( SecondProjCurve, FirstPar2, LastPar2, FirstPoint2, LastPoint2, myPlane, isSecondOnPlane );
	80
	81	if (!isFirstOnPlane)
	82	ComputeProjEdgePresentation( aPresentation, TopoDS::Edge( myFShape ), FirstProjCurve, FirstPoint1, LastPoint1 );
	83	if (! isSecondOnPlane)
	84	ComputeProjEdgePresentation( aPresentation, TopoDS::Edge( mySShape ), SecondProjCurve, FirstPoint2, LastPoint2 );
	85
	86	gp_Circ FirstCirc = (Handle( Geom_Circle )::DownCast( FirstProjCurve ))->Circ();
	87	gp_Circ SecondCirc = (Handle( Geom_Circle )::DownCast( SecondProjCurve ))->Circ();
	88
	89	myFirstCenter = FirstCirc.Location();
	90	mySecondCenter = SecondCirc.Location();
	91
	92	//ota -- begin --
	93	if (myAutomaticPosition)
	94	{
	95	myFirstPoint = ElCLib::Value( (FirstPar1 + LastPar1)*0.5, FirstCirc );
	96	mySecondPoint = ElCLib::Value( (FirstPar2 + LastPar2)*0.5, SecondCirc );
	97	}
	98	else {
	99	Standard_Real aPar = ElCLib::Parameter(FirstCirc, myFirstPoint);
c6541a0c D	100	if (IntegerPart(0.5*LastPar1/M_PI) != 0 && aPar < FirstPar1 )
c6541a0c D	101	aPar +=2M_PIIntegerPart(0.5*LastPar1/M_PI);
7fd59977	102	Standard_Real aRadius = FirstCirc.Radius();
	103
	104	if (Abs(myFirstPoint.Distance(myFirstCenter) - aRadius) >= Precision::Confusion())
	105	myFirstPoint = ElCLib::Value(aPar, FirstCirc);
	106	if ( FirstPoint1.Distance(LastPoint1) > Precision::Confusion()){
	107	//check where is myFirstPoint
	108	if (aPar > LastPar1 \|\| aPar < FirstPar1)
	109	{
	110	//myFirstPoint is out of Arc of FirstCircle
	111	if (FirstPoint1.Distance(myFirstPoint)< LastPoint1.Distance(myFirstPoint))
	112	myFirstPoint = FirstPoint1;
	113	else
	114	myFirstPoint = LastPoint1;
	115	}
	116	}
	117
	118
	119	aPar = ElCLib::Parameter(SecondCirc, mySecondPoint);
c6541a0c D	120	if (IntegerPart(0.5*LastPar2/M_PI) != 0 && aPar < FirstPar2 )
c6541a0c D	121	aPar +=2M_PIIntegerPart(0.5*LastPar2/M_PI);
7fd59977	122
	123	aRadius = SecondCirc.Radius();
	124	if (Abs(mySecondPoint.Distance(mySecondCenter) - aRadius) >= Precision::Confusion())
	125	mySecondPoint = ElCLib::Value(aPar, SecondCirc);
	126	if (FirstPoint2.Distance(LastPoint2) > Precision::Confusion()){
	127	if (aPar > LastPar2 \|\| aPar < FirstPar2)
	128	{ //mySecondPoint is out of Arc of mySecondCircle
	129	if (FirstPoint2.Distance(mySecondPoint)< LastPoint2.Distance(mySecondPoint))
	130	mySecondPoint = FirstPoint2;
	131	else
	132	mySecondPoint = LastPoint2;
	133	}
	134	}
	135	}
7fd59977	136	if( !myArrowSizeIsDefined )
7fd59977	137	myArrowSize = (Min(myFirstCenter.Distance(myFirstPoint),
	138	mySecondCenter.Distance(mySecondPoint)))*0.05;
	139
a6eb515f	140	Handle(Prs3d_DimensionAspect) la = myDrawer->DimensionAspect();
a6eb515f	141	Handle(Prs3d_ArrowAspect) arr = la->ArrowAspect();
7fd59977	142	arr->SetLength(myArrowSize);
	143
	144	//ota -- end --
	145
	146	DsgPrs_EqualRadiusPresentation::Add(aPresentation, myDrawer,
	147	myFirstCenter, mySecondCenter, myFirstPoint, mySecondPoint, myPlane );
	148	}
	149
	150	//=======================================================================
	151	//function : Compute
	152	//purpose : to avoid warning at compilation (SUN)
	153	//=======================================================================
	154
	155	void AIS_EqualRadiusRelation::Compute( const Handle( Prs3d_Projector )& /aProjector/,
	156	const Handle( Prs3d_Presentation )& /aPresentation/)
	157	{
9775fa61	158	// throw Standard_NotImplemented("AIS_EqualRadiusRelation::Compute( const Handle( Prs3d_Projector )&,const Handle( Prs3d_Presentation )& )");
7fd59977	159	// PrsMgr_PresentableObject::Compute( aProjector , aPresentation ) ;
	160	}
	161
7fd59977	162	//=======================================================================
	163	//function : Compute
	164	//purpose :
	165	//=======================================================================
	166
857ffd5e	167	void AIS_EqualRadiusRelation::Compute(const Handle(Prs3d_Projector)& aProjector,
	168	const Handle(Geom_Transformation)& aTransformation,
	169	const Handle(Prs3d_Presentation)& aPresentation)
7fd59977	170	{
9775fa61	171	// throw Standard_NotImplemented("AIS_EqualRadiusRelation::Compute(const Handle(Prs3d_Projector)&, const Handle(Geom_Transformation)&, const Handle(Prs3d_Presentation)&)");
7fd59977	172	PrsMgr_PresentableObject::Compute( aProjector , aTransformation , aPresentation ) ;
	173	}
	174
	175	//=======================================================================
	176	//function : ComputeSelection
	177	//purpose :
	178	//=======================================================================
	179
	180	void AIS_EqualRadiusRelation::ComputeSelection( const Handle( SelectMgr_Selection )& aSelection,
	181	const Standard_Integer )
	182	{
	183	Handle( SelectMgr_EntityOwner ) own = new SelectMgr_EntityOwner( this, 7 );
	184	Handle( Select3D_SensitiveSegment ) seg;
	185
	186	seg = new Select3D_SensitiveSegment( own, myFirstCenter, myFirstPoint );
	187	aSelection->Add( seg );
	188
	189	if(!myAutomaticPosition)
	190	ComputeRadiusPosition();
	191
	192	seg = new Select3D_SensitiveSegment( own, mySecondCenter, mySecondPoint );
	193	aSelection->Add( seg );
	194
	195	seg = new Select3D_SensitiveSegment( own, myFirstCenter, mySecondCenter );
	196	aSelection->Add( seg );
	197
	198
	199	// Two small lines
	200	gp_Pnt Middle( (myFirstCenter.XYZ() + mySecondCenter.XYZ())*0.5 );
	201
	202	Standard_Real SmallDist = .001;
	203	//Should be changed as the domain of small lines could be changed.
	204	Handle( Select3D_SensitiveBox ) box = new Select3D_SensitiveBox(own,
	205	Middle.X() - SmallDist,
	206	Middle.Y() - SmallDist,
	207	Middle.Z() - SmallDist,
	208	Middle.X() + SmallDist,
	209	Middle.Y() + SmallDist,
	210	Middle.Z() + SmallDist );
	211	aSelection->Add(box);
	212	}
	213
	214	//=================================================================
	215	//function : ComputeRadiusPosition
	216	//purpose :
	217	//=================================================================
	218	void AIS_EqualRadiusRelation::ComputeRadiusPosition()
	219	{
	220	if (myAutomaticPosition \|\|
	221	myFirstCenter.Distance(myPosition) < Precision::Confusion() \|\|
	222	mySecondCenter.Distance(myPosition) < Precision::Confusion())
	223	return;
	224
	225	gp_Pnt aPosition;
	226
	227	//project myPosition to the plane of constraint
	228	GeomAPI_ProjectPointOnSurf aProj(myPosition, myPlane);
	229	aPosition = aProj.NearestPoint();
	230
	231	Standard_Real aDist1 = myFirstPoint.Distance(aPosition);
	232	Standard_Real aDist2 = mySecondPoint.Distance(aPosition);
	233
	234	if(aDist1<aDist2)
	235	{
236	Standard_Real Rad1 = myFirstPoint.Distance(myFirstCenter);
237	const gp_Dir aNewDir1(aPosition.XYZ() - myFirstCenter.XYZ());
238	const gp_Vec aTVec (aNewDir1.XYZ()*Rad1);
239	myFirstPoint = myFirstCenter.Translated(aTVec);
240	}
241	else {
242	Standard_Real Rad2 = mySecondPoint.Distance(mySecondCenter);
243	const gp_Dir aNewDir2(aPosition.XYZ() - mySecondCenter.XYZ());
244	gp_Vec aTVec (aNewDir2.XYZ()*Rad2);
245	mySecondPoint = mySecondCenter.Translated(aTVec);
246	}
247
248	}
249