[occt.git] / src / V3d / V3d_SpotLight.cxx

/***********************************************************************
 
     FONCTION :
     ----------
        Classe V3d_SpotLight :
 
     HISTORIQUE DES MODIFICATIONS   :
     --------------------------------
      00-09-92 : GG  ; Creation.
      18-06-96 : FMN ; Ajout MyGraphicStructure1 pour sauvegarder snopick
      30-03-98 : ZOV ; PRO6774 (reconstruction of the class hierarchy and suppressing useless methods)
      02.15.100 : JR : Clutter

************************************************************************/

/*----------------------------------------------------------------------*/
/*
 * Includes
 */

#include <V3d.hxx>
#include <V3d_SpotLight.ixx>
#include <Graphic3d_Vector.hxx>
#include <Graphic3d_Vertex.hxx>
#include <Graphic3d_Structure.hxx>
#include <Graphic3d_Group.hxx>
#include <Graphic3d_Array1OfVertex.hxx>
#include <Graphic3d_AspectMarker3d.hxx>
#include <Graphic3d_AspectLine3d.hxx>
#include <Graphic3d_AspectText3d.hxx>
#include <Visual3d_Light.hxx>
#include <Visual3d_ViewManager.hxx>
#include <Visual3d_ContextPick.hxx>
#include <Visual3d_PickDescriptor.hxx>
#include <Visual3d_HSequenceOfPickPath.hxx>
#include <Visual3d_PickPath.hxx>
#include <gp_Dir.hxx>
#include <gp_Ax1.hxx>
#include <gp_Vec.hxx>
#include <gp_Pnt.hxx>
#include <gp_Trsf.hxx>
#include <TCollection_AsciiString.hxx>

#ifdef WNT
# include <WNT_Window.hxx>
#else
# include <Xw_Window.hxx>
#endif


V3d_SpotLight::V3d_SpotLight(const Handle(V3d_Viewer)& VM, const Standard_Real X, const Standard_Real Y, const Standard_Real Z, const V3d_TypeOfOrientation Direction, const Quantity_NameOfColor Name, const Standard_Real A1, const Standard_Real A2, const Standard_Real CN, const Standard_Real AN):V3d_PositionLight(VM) {

  Viewer_BadValue_Raise_if( A1 < 0 || A1 > 1. || A2 < 0 || A2 > 1  
			|| AN < 0. || AN > M_PI, "V3d_SpotLight, bad coefficient or angle");

  Quantity_Color C(Name) ;
  Graphic3d_Vector D = V3d::GetProjAxis(Direction) ;
  Graphic3d_Vertex P(X,Y,Z) ;
  Graphic3d_Vertex T;

  MyType = V3d_SPOT ;
  MyLight = new Visual3d_Light(C,P,D,CN,A1,A2,AN) ;
  // The target is fixed, starting from the light position and the direction.
  T.SetCoord(X + D.X(), Y + D.Y(), Z + D.Z());
  MyTarget = T;
} 

V3d_SpotLight::V3d_SpotLight(const Handle(V3d_Viewer)& VM, const Standard_Real Xt, const Standard_Real Yt, const Standard_Real Zt, const Standard_Real Xp, const Standard_Real Yp, const Standard_Real Zp, const Quantity_NameOfColor Name, const Standard_Real A1, const Standard_Real A2, const Standard_Real CN, const Standard_Real AN):V3d_PositionLight(VM) {

  Viewer_BadValue_Raise_if( A1 < 0 || A1 > 1. || A2 < 0 || A2 > 1  
			|| AN < 0. || AN > M_PI, "V3d_SpotLight, bad coefficient or angle");

  Quantity_Color C(Name) ;
  Graphic3d_Vertex T(Xt,Yt,Zt) ;
  Graphic3d_Vertex P(Xp,Yp,Zp) ;
  Graphic3d_Vector D(P,T);

  MyType = V3d_SPOT ;
  D.Normalize();
  MyLight = new Visual3d_Light(C,P,D,CN,A1,A2,AN) ;
  MyTarget = T;
  // La Structure graphique sera initialisee lors de l'affichage.
}


//-Methods, in order

void V3d_SpotLight::SetPosition(const Standard_Real Xp, const Standard_Real Yp, const Standard_Real Zp) {
  MyLight->SetPosition (Graphic3d_Vertex (Xp,Yp,Zp));
}

void V3d_SpotLight::SetDirection(const Standard_Real Vx, const Standard_Real Vy, const Standard_Real Vz) {

  Graphic3d_Vector D ;
  D.SetCoord(Vx,Vy,Vz) ; D.Normalize() ;
  MyLight->SetDirection(D) ;
}

void V3d_SpotLight::SetDirection(const V3d_TypeOfOrientation Direction) {

  Graphic3d_Vector D = V3d::GetProjAxis(Direction) ;
  MyLight->SetDirection(D) ;
}

void V3d_SpotLight::SetAttenuation(const Standard_Real A1, const Standard_Real A2) {

  Viewer_BadValue_Raise_if( A1 < 0 || A1 > 1. || A2 < 0 || A2 > 1 ,
			"V3d_SpotLight::SetAttenuation, bad coefficients");

  MyLight->SetAttenuation1(A1) ;
  MyLight->SetAttenuation2(A2) ;
}

void V3d_SpotLight::SetConcentration(const Standard_Real C) {

  
  Viewer_BadValue_Raise_if( C < 0 || C > 1.,
			"V3d_SpotLight::SetConcentration, bad coefficient");

  MyLight->SetConcentration(C) ;
}

void V3d_SpotLight::SetAngle(const Standard_Real Angle) {

  Viewer_BadValue_Raise_if( Angle <= 0. || Angle >= M_PI,
			"V3d_SpotLight::SetAngle, bad angle");
  MyLight->SetAngle(Angle) ;

}

void V3d_SpotLight::Direction(Standard_Real& Vx, Standard_Real& Vy, Standard_Real& Vz)const  {

  Quantity_Color C ;
  Graphic3d_Vector D ;
  Graphic3d_Vertex P ;
  Standard_Real CN,A1,A2,AN ;

  MyLight->Values(C,P,D,CN,A1,A2,AN) ;
  D.Coord(Vx,Vy,Vz) ;
}

void V3d_SpotLight::Position(Standard_Real& Xp, Standard_Real& Yp, Standard_Real& Zp)const  {
  
  Quantity_Color C ;
  Graphic3d_Vector D ;
  Graphic3d_Vertex P ;
  Standard_Real CN,A1,A2,AN ;

  MyLight->Values(C,P,D,CN,A1,A2,AN) ;
  P.Coord(Xp,Yp,Zp) ;
}

void V3d_SpotLight::Attenuation(Standard_Real& A1, Standard_Real& A2) const  {
    Quantity_Color C ;
    Graphic3d_Vector D ;
    Graphic3d_Vertex P ;
    Standard_Real CN,AN ;
    
    MyLight->Values(C,P,D,CN,A1,A2,AN) ;
}

Standard_Real V3d_SpotLight::Concentration()const  {

  Quantity_Color C ;
  Graphic3d_Vector D ;
  Graphic3d_Vertex P ;
  Standard_Real AN,A1,A2,CN ;
  
  MyLight->Values(C,P,D,CN,A1,A2,AN) ;
  return CN ;
}

Standard_Real V3d_SpotLight::Angle()const  {

  Quantity_Color C ;
  Graphic3d_Vector D ;
  Graphic3d_Vertex P ;
  Standard_Real CN,A1,A2,AN ;
  
  MyLight->Values(C,P,D,CN,A1,A2,AN) ;
  return AN ;
}

void V3d_SpotLight::Symbol (const Handle(Graphic3d_Group)& gsymbol,
//                            const Handle(V3d_View)& aView) const {
                            const Handle(V3d_View)& ) const {

  Standard_Real X,Y,Z,Rayon;
  Standard_Real DX,DY,DZ;

  this->Position(X,Y,Z);
  this->Direction(DX,DY,DZ);
  Rayon = this->Radius();
  V3d::ArrowOfRadius(gsymbol,X,Y,Z,-DX,-DY,-DZ,M_PI/8.,Rayon/15.);
}
    
void V3d_SpotLight::Display( const Handle(V3d_View)& aView,
                                    const V3d_TypeOfRepresentation TPres) {

  Graphic3d_Array1OfVertex PRadius(0,1);
  Graphic3d_Vertex PText ;
  Standard_Real X,Y,Z,Rayon;
  Standard_Real X0,Y0,Z0,VX,VY,VZ;
  Standard_Real X1,Y1,Z1;
  Standard_Real DXRef,DYRef,DZRef,DXini,DYini,DZini;
  Standard_Real R1,G1,B1;
  V3d_TypeOfRepresentation Pres;
  V3d_TypeOfUpdate UpdSov;

//  Creation of a structure slight of markable elements (position of the
//  light, and the domain of lighting represented by a circle)
//  Creation of a structure snopick of non-markable elements (target, meridian and 
//  parallel).// 

    Pres = TPres;
    Handle(V3d_Viewer) TheViewer = aView->Viewer();
    UpdSov = TheViewer->UpdateMode();
    TheViewer->SetUpdateMode(V3d_WAIT);
    if (!MyGraphicStructure.IsNull()) {
       MyGraphicStructure->Disconnect(MyGraphicStructure1);
       MyGraphicStructure->Clear();
       MyGraphicStructure1->Clear();
       if (Pres == V3d_SAMELAST) Pres = MyTypeOfRepresentation;
    }
    else {
      if (Pres == V3d_SAMELAST) Pres = V3d_SIMPLE;
      Handle(Graphic3d_Structure) slight = new Graphic3d_Structure(TheViewer->Viewer());
      MyGraphicStructure = slight;
      Handle(Graphic3d_Structure) snopick = new Graphic3d_Structure(TheViewer->Viewer()); 
      MyGraphicStructure1 = snopick;
    }
  
  Handle(Graphic3d_Group) gradius;
  Handle(Graphic3d_Group) gExtArrow;
  Handle(Graphic3d_Group) gIntArrow;
  if (Pres == V3d_COMPLETE) {
    gradius = new Graphic3d_Group(MyGraphicStructure);
    gExtArrow = new Graphic3d_Group(MyGraphicStructure);
    gIntArrow = new Graphic3d_Group(MyGraphicStructure);
  }
  Handle(Graphic3d_Group) glight  = new Graphic3d_Group(MyGraphicStructure);
  Handle(Graphic3d_Group) gsphere;
  if (Pres == V3d_COMPLETE || Pres == V3d_PARTIAL) gsphere = new Graphic3d_Group(MyGraphicStructure);
  
  Handle(Graphic3d_Group) gnopick = new Graphic3d_Group(MyGraphicStructure1);
  MyGraphicStructure1->SetPick(Standard_False);
  
  X0 = MyTarget.X();
  Y0 = MyTarget.Y();
  Z0 = MyTarget.Z();
  
//Display of the position of the light.

  this->Color(Quantity_TOC_RGB,R1,G1,B1);
  Quantity_Color Col1(R1,G1,B1,Quantity_TOC_RGB);
  Handle(Graphic3d_AspectLine3d) Asp1 = new Graphic3d_AspectLine3d();
  Asp1->SetColor(Col1);
  glight->SetPrimitivesAspect(Asp1);
  this->Symbol(glight,aView);
  
// Display of the reference sphere (limited by circle).

  if (Pres == V3d_COMPLETE || Pres == V3d_PARTIAL) {
    
    Rayon = this->Radius(); 
    aView->Proj(VX,VY,VZ);
    V3d::CircleInPlane(gsphere,X0,Y0,Z0,VX,VY,VZ,Rayon);

// Display of the radius of the sphere (line + text)

    if (Pres == V3d_COMPLETE) {
      PRadius(0).SetCoord(X0,Y0,Z0);
      this->Position(X,Y,Z);
      PRadius(1).SetCoord(X,Y,Z);
      gnopick->Polyline(PRadius);
      V3d::ArrowOfRadius(gExtArrow,X-(X-X0)/10.,
			 Y-(Y-Y0)/10.,
			 Z-(Z-Z0) / 10., X-X0, Y-Y0, Z-Z0, M_PI / 15., Rayon / 20.);
      V3d::ArrowOfRadius(gIntArrow, X0, Y0, Z0, X0-X, Y0-Y, Z0-Z, M_PI / 15., Rayon / 20.);
      TCollection_AsciiString ValOfRadius(Rayon);
      PText.SetCoord( (X0+X)/2., (Y0+Y)/2. , (Z0+Z)/2. );
      gradius->Text(ValOfRadius.ToCString(),PText,0.01);
    }
    
// Display of the meridian

    Quantity_Color Col2(Quantity_NOC_GREEN);
    Handle(Graphic3d_AspectLine3d) Asp2 = new Graphic3d_AspectLine3d
      (Col2,Aspect_TOL_SOLID,1.);
    gnopick->SetPrimitivesAspect(Asp2);
    
//    Definition of the axis of the circle
    aView->Up(DXRef,DYRef,DZRef);
    this->Position(X,Y,Z);
    DXini = X-X0; DYini = Y-Y0; DZini = Z-Z0;
    VX = DYRef*DZini - DZRef*DYini;
    VY = DZRef*DXini - DXRef*DZini;
    VZ = DXRef*DYini - DYRef*DXini;
    
    V3d::CircleInPlane(gnopick,X0,Y0,Z0,VX,VY,VZ,Rayon);

//    Display of the parallel

//    Definition of the axis of the circle
    aView->Proj(VX,VY,VZ);
    aView->Up(X1,Y1,Z1);
    DXRef = VY * Z1 - VZ * Y1;
    DYRef = VZ * X1 - VX * Z1;
    DZRef = VX * Y1 - VY * X1;
    this->Position(X,Y,Z);
    DXini = X-X0; DYini = Y-Y0; DZini = Z-Z0;
    VX = DYRef*DZini - DZRef*DYini;
    VY = DZRef*DXini - DXRef*DZini;
    VZ = DXRef*DYini - DYRef*DXini;
    
    V3d::CircleInPlane(gnopick,X0,Y0,Z0,VX,VY,VZ,Rayon);
    
  }
  
  MyGraphicStructure->Connect(MyGraphicStructure1,Graphic3d_TOC_DESCENDANT);
  MyTypeOfRepresentation = Pres;
  MyGraphicStructure->Display();
  TheViewer->SetUpdateMode(UpdSov);
}
Commit	Line	Data
7fd59977	1	/***********************************************************************
	2
	3	FONCTION :
	4	----------
	5	Classe V3d_SpotLight :
	6
	7	HISTORIQUE DES MODIFICATIONS :
	8	--------------------------------
	9	00-09-92 : GG ; Creation.
	10	18-06-96 : FMN ; Ajout MyGraphicStructure1 pour sauvegarder snopick
	11	30-03-98 : ZOV ; PRO6774 (reconstruction of the class hierarchy and suppressing useless methods)
	12	02.15.100 : JR : Clutter
	13
	14	************************************************************************/
	15
	16	/----------------------------------------------------------------------/
	17	/*
	18	* Includes
	19	*/
	20
	21	#include <V3d.hxx>
	22	#include <V3d_SpotLight.ixx>
	23	#include <Graphic3d_Vector.hxx>
	24	#include <Graphic3d_Vertex.hxx>
	25	#include <Graphic3d_Structure.hxx>
	26	#include <Graphic3d_Group.hxx>
	27	#include <Graphic3d_Array1OfVertex.hxx>
	28	#include <Graphic3d_AspectMarker3d.hxx>
	29	#include <Graphic3d_AspectLine3d.hxx>
	30	#include <Graphic3d_AspectText3d.hxx>
	31	#include <Visual3d_Light.hxx>
	32	#include <Visual3d_ViewManager.hxx>
	33	#include <Visual3d_ContextPick.hxx>
	34	#include <Visual3d_PickDescriptor.hxx>
	35	#include <Visual3d_HSequenceOfPickPath.hxx>
	36	#include <Visual3d_PickPath.hxx>
	37	#include <gp_Dir.hxx>
	38	#include <gp_Ax1.hxx>
	39	#include <gp_Vec.hxx>
	40	#include <gp_Pnt.hxx>
	41	#include <gp_Trsf.hxx>
	42	#include <TCollection_AsciiString.hxx>
	43
	44	#ifdef WNT
	45	# include <WNT_Window.hxx>
	46	#else
	47	# include <Xw_Window.hxx>
	48	#endif
	49
	50
	51	V3d_SpotLight::V3d_SpotLight(const Handle(V3d_Viewer)& VM, const Standard_Real X, const Standard_Real Y, const Standard_Real Z, const V3d_TypeOfOrientation Direction, const Quantity_NameOfColor Name, const Standard_Real A1, const Standard_Real A2, const Standard_Real CN, const Standard_Real AN):V3d_PositionLight(VM) {
	52
	53	Viewer_BadValue_Raise_if( A1 < 0 \|\| A1 > 1. \|\| A2 < 0 \|\| A2 > 1
c6541a0c	54	\|\| AN < 0. \|\| AN > M_PI, "V3d_SpotLight, bad coefficient or angle");
7fd59977	55
	56	Quantity_Color C(Name) ;
	57	Graphic3d_Vector D = V3d::GetProjAxis(Direction) ;
	58	Graphic3d_Vertex P(X,Y,Z) ;
	59	Graphic3d_Vertex T;
	60
	61	MyType = V3d_SPOT ;
	62	MyLight = new Visual3d_Light(C,P,D,CN,A1,A2,AN) ;
81bba717	63	// The target is fixed, starting from the light position and the direction.
7fd59977	64	T.SetCoord(X + D.X(), Y + D.Y(), Z + D.Z());
	65	MyTarget = T;
	66	}
	67
	68	V3d_SpotLight::V3d_SpotLight(const Handle(V3d_Viewer)& VM, const Standard_Real Xt, const Standard_Real Yt, const Standard_Real Zt, const Standard_Real Xp, const Standard_Real Yp, const Standard_Real Zp, const Quantity_NameOfColor Name, const Standard_Real A1, const Standard_Real A2, const Standard_Real CN, const Standard_Real AN):V3d_PositionLight(VM) {
	69
	70	Viewer_BadValue_Raise_if( A1 < 0 \|\| A1 > 1. \|\| A2 < 0 \|\| A2 > 1
c6541a0c	71	\|\| AN < 0. \|\| AN > M_PI, "V3d_SpotLight, bad coefficient or angle");
7fd59977	72
	73	Quantity_Color C(Name) ;
	74	Graphic3d_Vertex T(Xt,Yt,Zt) ;
	75	Graphic3d_Vertex P(Xp,Yp,Zp) ;
	76	Graphic3d_Vector D(P,T);
	77
	78	MyType = V3d_SPOT ;
	79	D.Normalize();
	80	MyLight = new Visual3d_Light(C,P,D,CN,A1,A2,AN) ;
	81	MyTarget = T;
	82	// La Structure graphique sera initialisee lors de l'affichage.
	83	}
	84
	85
	86	//-Methods, in order
	87
	88	void V3d_SpotLight::SetPosition(const Standard_Real Xp, const Standard_Real Yp, const Standard_Real Zp) {
	89	MyLight->SetPosition (Graphic3d_Vertex (Xp,Yp,Zp));
	90	}
	91
	92	void V3d_SpotLight::SetDirection(const Standard_Real Vx, const Standard_Real Vy, const Standard_Real Vz) {
	93
	94	Graphic3d_Vector D ;
	95	D.SetCoord(Vx,Vy,Vz) ; D.Normalize() ;
	96	MyLight->SetDirection(D) ;
	97	}
	98
	99	void V3d_SpotLight::SetDirection(const V3d_TypeOfOrientation Direction) {
	100
	101	Graphic3d_Vector D = V3d::GetProjAxis(Direction) ;
	102	MyLight->SetDirection(D) ;
	103	}
	104
	105	void V3d_SpotLight::SetAttenuation(const Standard_Real A1, const Standard_Real A2) {
	106
	107	Viewer_BadValue_Raise_if( A1 < 0 \|\| A1 > 1. \|\| A2 < 0 \|\| A2 > 1 ,
	108	"V3d_SpotLight::SetAttenuation, bad coefficients");
	109
	110	MyLight->SetAttenuation1(A1) ;
	111	MyLight->SetAttenuation2(A2) ;
	112	}
	113
	114	void V3d_SpotLight::SetConcentration(const Standard_Real C) {
	115
	116
	117	Viewer_BadValue_Raise_if( C < 0 \|\| C > 1.,
	118	"V3d_SpotLight::SetConcentration, bad coefficient");
	119
	120	MyLight->SetConcentration(C) ;
	121	}
	122
	123	void V3d_SpotLight::SetAngle(const Standard_Real Angle) {
	124
c6541a0c	125	Viewer_BadValue_Raise_if( Angle <= 0. \|\| Angle >= M_PI,
7fd59977	126	"V3d_SpotLight::SetAngle, bad angle");
	127	MyLight->SetAngle(Angle) ;
	128
	129	}
	130
	131	void V3d_SpotLight::Direction(Standard_Real& Vx, Standard_Real& Vy, Standard_Real& Vz)const {
	132
	133	Quantity_Color C ;
	134	Graphic3d_Vector D ;
	135	Graphic3d_Vertex P ;
	136	Standard_Real CN,A1,A2,AN ;
	137
	138	MyLight->Values(C,P,D,CN,A1,A2,AN) ;
	139	D.Coord(Vx,Vy,Vz) ;
	140	}
	141
	142	void V3d_SpotLight::Position(Standard_Real& Xp, Standard_Real& Yp, Standard_Real& Zp)const {
	143
	144	Quantity_Color C ;
	145	Graphic3d_Vector D ;
	146	Graphic3d_Vertex P ;
	147	Standard_Real CN,A1,A2,AN ;
	148
	149	MyLight->Values(C,P,D,CN,A1,A2,AN) ;
	150	P.Coord(Xp,Yp,Zp) ;
	151	}
	152
	153	void V3d_SpotLight::Attenuation(Standard_Real& A1, Standard_Real& A2) const {
	154	Quantity_Color C ;
	155	Graphic3d_Vector D ;
	156	Graphic3d_Vertex P ;
	157	Standard_Real CN,AN ;
	158
	159	MyLight->Values(C,P,D,CN,A1,A2,AN) ;
	160	}
	161
	162	Standard_Real V3d_SpotLight::Concentration()const {
	163
	164	Quantity_Color C ;
	165	Graphic3d_Vector D ;
	166	Graphic3d_Vertex P ;
	167	Standard_Real AN,A1,A2,CN ;
	168
	169	MyLight->Values(C,P,D,CN,A1,A2,AN) ;
	170	return CN ;
	171	}
	172
	173	Standard_Real V3d_SpotLight::Angle()const {
	174
	175	Quantity_Color C ;
	176	Graphic3d_Vector D ;
	177	Graphic3d_Vertex P ;
	178	Standard_Real CN,A1,A2,AN ;
	179
	180	MyLight->Values(C,P,D,CN,A1,A2,AN) ;
	181	return AN ;
	182	}
	183
	184	void V3d_SpotLight::Symbol (const Handle(Graphic3d_Group)& gsymbol,
	185	// const Handle(V3d_View)& aView) const {
	186	const Handle(V3d_View)& ) const {
	187
	188	Standard_Real X,Y,Z,Rayon;
	189	Standard_Real DX,DY,DZ;
190
191	this->Position(X,Y,Z);
192	this->Direction(DX,DY,DZ);
193	Rayon = this->Radius();
c6541a0c	194	V3d::ArrowOfRadius(gsymbol,X,Y,Z,-DX,-DY,-DZ,M_PI/8.,Rayon/15.);
7fd59977	195	}
	196
	197	void V3d_SpotLight::Display( const Handle(V3d_View)& aView,
	198	const V3d_TypeOfRepresentation TPres) {
	199
	200	Graphic3d_Array1OfVertex PRadius(0,1);
	201	Graphic3d_Vertex PText ;
	202	Standard_Real X,Y,Z,Rayon;
	203	Standard_Real X0,Y0,Z0,VX,VY,VZ;
	204	Standard_Real X1,Y1,Z1;
	205	Standard_Real DXRef,DYRef,DZRef,DXini,DYini,DZini;
	206	Standard_Real R1,G1,B1;
	207	V3d_TypeOfRepresentation Pres;
	208	V3d_TypeOfUpdate UpdSov;
	209
81bba717	210	// Creation of a structure slight of markable elements (position of the
	211	// light, and the domain of lighting represented by a circle)
	212	// Creation of a structure snopick of non-markable elements (target, meridian and
	213	// parallel).//
7fd59977	214
	215	Pres = TPres;
	216	Handle(V3d_Viewer) TheViewer = aView->Viewer();
	217	UpdSov = TheViewer->UpdateMode();
	218	TheViewer->SetUpdateMode(V3d_WAIT);
	219	if (!MyGraphicStructure.IsNull()) {
	220	MyGraphicStructure->Disconnect(MyGraphicStructure1);
	221	MyGraphicStructure->Clear();
	222	MyGraphicStructure1->Clear();
	223	if (Pres == V3d_SAMELAST) Pres = MyTypeOfRepresentation;
	224	}
	225	else {
	226	if (Pres == V3d_SAMELAST) Pres = V3d_SIMPLE;
	227	Handle(Graphic3d_Structure) slight = new Graphic3d_Structure(TheViewer->Viewer());
	228	MyGraphicStructure = slight;
	229	Handle(Graphic3d_Structure) snopick = new Graphic3d_Structure(TheViewer->Viewer());
	230	MyGraphicStructure1 = snopick;
	231	}
	232
	233	Handle(Graphic3d_Group) gradius;
	234	Handle(Graphic3d_Group) gExtArrow;
	235	Handle(Graphic3d_Group) gIntArrow;
	236	if (Pres == V3d_COMPLETE) {
	237	gradius = new Graphic3d_Group(MyGraphicStructure);
	238	gExtArrow = new Graphic3d_Group(MyGraphicStructure);
	239	gIntArrow = new Graphic3d_Group(MyGraphicStructure);
	240	}
	241	Handle(Graphic3d_Group) glight = new Graphic3d_Group(MyGraphicStructure);
	242	Handle(Graphic3d_Group) gsphere;
	243	if (Pres == V3d_COMPLETE \|\| Pres == V3d_PARTIAL) gsphere = new Graphic3d_Group(MyGraphicStructure);
	244
	245	Handle(Graphic3d_Group) gnopick = new Graphic3d_Group(MyGraphicStructure1);
	246	MyGraphicStructure1->SetPick(Standard_False);
	247
	248	X0 = MyTarget.X();
	249	Y0 = MyTarget.Y();
	250	Z0 = MyTarget.Z();
	251
81bba717	252	//Display of the position of the light.
7fd59977	253
7fd59977	254	this->Color(Quantity_TOC_RGB,R1,G1,B1);
	255	Quantity_Color Col1(R1,G1,B1,Quantity_TOC_RGB);
	256	Handle(Graphic3d_AspectLine3d) Asp1 = new Graphic3d_AspectLine3d();
	257	Asp1->SetColor(Col1);
	258	glight->SetPrimitivesAspect(Asp1);
	259	this->Symbol(glight,aView);
	260
81bba717	261	// Display of the reference sphere (limited by circle).
7fd59977	262
	263	if (Pres == V3d_COMPLETE \|\| Pres == V3d_PARTIAL) {
	264
	265	Rayon = this->Radius();
	266	aView->Proj(VX,VY,VZ);
7fd59977	267	V3d::CircleInPlane(gsphere,X0,Y0,Z0,VX,VY,VZ,Rayon);
7fd59977	268
81bba717	269	// Display of the radius of the sphere (line + text)
7fd59977	270
7fd59977	271	if (Pres == V3d_COMPLETE) {
7fd59977	272	PRadius(0).SetCoord(X0,Y0,Z0);
	273	this->Position(X,Y,Z);
	274	PRadius(1).SetCoord(X,Y,Z);
	275	gnopick->Polyline(PRadius);
	276	V3d::ArrowOfRadius(gExtArrow,X-(X-X0)/10.,
	277	Y-(Y-Y0)/10.,
c6541a0c D	278	Z-(Z-Z0) / 10., X-X0, Y-Y0, Z-Z0, M_PI / 15., Rayon / 20.);
c6541a0c D	279	V3d::ArrowOfRadius(gIntArrow, X0, Y0, Z0, X0-X, Y0-Y, Z0-Z, M_PI / 15., Rayon / 20.);
7fd59977	280	TCollection_AsciiString ValOfRadius(Rayon);
	281	PText.SetCoord( (X0+X)/2., (Y0+Y)/2. , (Z0+Z)/2. );
	282	gradius->Text(ValOfRadius.ToCString(),PText,0.01);
	283	}
	284
81bba717	285	// Display of the meridian
7fd59977	286
	287	Quantity_Color Col2(Quantity_NOC_GREEN);
	288	Handle(Graphic3d_AspectLine3d) Asp2 = new Graphic3d_AspectLine3d
	289	(Col2,Aspect_TOL_SOLID,1.);
	290	gnopick->SetPrimitivesAspect(Asp2);
	291
81bba717	292	// Definition of the axis of the circle
7fd59977	293	aView->Up(DXRef,DYRef,DZRef);
	294	this->Position(X,Y,Z);
	295	DXini = X-X0; DYini = Y-Y0; DZini = Z-Z0;
	296	VX = DYRefDZini - DZRefDYini;
	297	VY = DZRefDXini - DXRefDZini;
	298	VZ = DXRefDYini - DYRefDXini;
	299
	300	V3d::CircleInPlane(gnopick,X0,Y0,Z0,VX,VY,VZ,Rayon);
	301
81bba717	302	// Display of the parallel
7fd59977	303
81bba717	304	// Definition of the axis of the circle
7fd59977	305	aView->Proj(VX,VY,VZ);
	306	aView->Up(X1,Y1,Z1);
	307	DXRef = VY * Z1 - VZ * Y1;
	308	DYRef = VZ * X1 - VX * Z1;
	309	DZRef = VX * Y1 - VY * X1;
	310	this->Position(X,Y,Z);
	311	DXini = X-X0; DYini = Y-Y0; DZini = Z-Z0;
	312	VX = DYRefDZini - DZRefDYini;
	313	VY = DZRefDXini - DXRefDZini;
	314	VZ = DXRefDYini - DYRefDXini;
	315
	316	V3d::CircleInPlane(gnopick,X0,Y0,Z0,VX,VY,VZ,Rayon);
	317
	318	}
	319
	320	MyGraphicStructure->Connect(MyGraphicStructure1,Graphic3d_TOC_DESCENDANT);
	321	MyTypeOfRepresentation = Pres;
	322	MyGraphicStructure->Display();
	323	TheViewer->SetUpdateMode(UpdSov);
	324	}