-/***********************************************************************
-
- FONCTION :
- ----------
- Classe V3d_PositionalLight :
-
- HISTORIQUE DES MODIFICATIONS :
- --------------------------------
- 00-09-92 : GG ; Creation.
- 18-06-96 : FMN ; Ajout MyGraphicStructure1 pour sauvegarder snopick
- 24-12-97 : FMN ; Remplacement de math par MathGra
- 31-12-97 : CAL ; Suppression de MathGra
- 21-01-98 : CAL ; Window de Xw et WNT remplacee par Aspect_Window
- 23-02-98 : FMN ; Remplacement PI par Standard_PI
- 30-03-98 : ZOV ; PRO6774 (reconstruction of the class hierarchy and suppressing useless methods)
-
-************************************************************************/
-
-/*----------------------------------------------------------------------*/
-/*
- * Includes
- */
-
-#include <V3d.hxx>
-#include <V3d_PositionalLight.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 <Viewer_BadValue.hxx>
-#include <gp_Dir.hxx>
-#include <gp_Ax1.hxx>
-#include <gp_Vec.hxx>
-#include <gp_Pnt.hxx>
-#include <gp_Trsf.hxx>
-#include <TColStd_Array2OfReal.hxx>
-#include <TCollection_AsciiString.hxx>
-#include <Aspect_Window.hxx>
-
-//-Declarations
-
-//-Constructors
-
-V3d_PositionalLight::V3d_PositionalLight(const Handle(V3d_Viewer)& VM, const Standard_Real X, const Standard_Real Y, const Standard_Real Z, const Quantity_NameOfColor Name, const Standard_Real A1, const Standard_Real A2):V3d_PositionLight(VM) {
-
- Quantity_Color C(Name) ;
- Graphic3d_Vertex P(X,Y,Z) ;
- Graphic3d_Vertex T(0.,0.,0.);
-
- Viewer_BadValue_Raise_if ( A1 < 0 || A1 > 1. || A2 < 0 || A2 > 1,
- "V3d_PositionalLight, bad coefficients");
-
- MyType = V3d_POSITIONAL ;
- MyLight = new Visual3d_Light(C,P,A1,A2) ;
- MyTarget = T;
-
-}
-
-V3d_PositionalLight::V3d_PositionalLight(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):V3d_PositionLight(VM) {
-
- Quantity_Color C(Name) ;
- Graphic3d_Vertex T(Xt,Yt,Zt) ;
- Graphic3d_Vertex P(Xp,Yp,Zp) ;
-
- Viewer_BadValue_Raise_if ( A1 < 0 || A1 > 1. || A2 < 0 || A2 > 1,
- "V3d_PositionalLight, bad coefficients");
-
- MyType = V3d_POSITIONAL ;
- MyLight = new Visual3d_Light(C,P,A1,A2) ;
- MyTarget = T;
- // La Structure graphique sera initialisee lors de l'affichage.
-
-}
-
-//-Methods, in order
-
-void V3d_PositionalLight::SetPosition(const Standard_Real Xp, const Standard_Real Yp, const Standard_Real Zp) {
- MyLight->SetPosition (Graphic3d_Vertex (Xp,Yp,Zp));
-}
-
-void V3d_PositionalLight::SetAttenuation(const Standard_Real A1, const Standard_Real A2) {
-
-
- Viewer_BadValue_Raise_if ( A1 < 0 || A1 > 1. || A2 < 0 || A2 > 1,
- "V3d_PositionalLight::SetAttenuation, bad coefficients");
-
- MyLight->SetAttenuation1(A1) ;
- MyLight->SetAttenuation2(A2) ;
-}
-
-void V3d_PositionalLight::Position(Standard_Real& X, Standard_Real& Y, Standard_Real& Z)const {
- Quantity_Color C ;
- Graphic3d_Vertex P ;
- Standard_Real A1,A2 ;
-
- MyLight->Values(C,P,A1,A2) ;
- P.Coord(X,Y,Z) ;
-}
-
-void V3d_PositionalLight::Attenuation(Standard_Real& A1, Standard_Real& A2)const {
- Quantity_Color C ;
- Graphic3d_Vertex P ;
-
- MyLight->Values(C,P,A1,A2) ;
-}
-
-void V3d_PositionalLight::Symbol (const Handle(Graphic3d_Group)& gsymbol, const Handle(V3d_View)& aView) const {
-
- Standard_Real Xi,Yi,Zi,Xf,Yf,Zf,Rayon,PXT,PYT,X,Y,Z,XT,YT,ZT;
- Standard_Real A,B,C,Dist,Beta,CosBeta,SinBeta,Coef,X1,Y1,Z1;
- Standard_Real VX,VY,VZ;
- Standard_Integer IXP,IYP,j;
- TColStd_Array2OfReal MatRot(0,2,0,2);
-
- aView->Proj(VX,VY,VZ);
- this->Position(Xi,Yi,Zi);
- Rayon = this->Radius();
- aView->Project(Xi,Yi,Zi,PXT,PYT);
- aView->Convert(PXT,PYT,IXP,IYP);
-// Coord 3d dans le plan de projection de la source.
- aView->Convert(IXP,IYP,XT,YT,ZT);
- aView->Convert(PXT,PYT+Rayon,IXP,IYP);
- aView->Convert(IXP,IYP,X,Y,Z);
- X = X+Xi-XT; Y = Y+Yi-YT; Z = Z+Zi-ZT;
- Dist = Sqrt( Square(X-Xi) + Square(Y-Yi) + Square(Z-Zi) );
-// Axe de rotation.
- A = (X-Xi)/Dist;
- B = (Y-Yi)/Dist;
- C = (Z-Zi)/Dist;
-
-// On dessine une sphere
- V3d::CircleInPlane(gsymbol,Xi,Yi,Zi,VX,VY,VZ,Rayon/40.);
- for( j=1 ; j<=3 ; j++ ) {
- Beta = j * Standard_PI/4.;
- CosBeta = Cos(Beta);
- SinBeta = Sin(Beta);
- Coef = 1. - CosBeta;
- MatRot(0,0) = A * A + (1. - A * A) * CosBeta;
- MatRot(0,1) = -C * SinBeta + Coef * A * B;
- MatRot(0,2) = B * SinBeta + Coef * A * C;
- MatRot(1,0) = C * SinBeta + Coef * A * B;
- MatRot(1,1) = B * B + (1. - B * B) * CosBeta;
- MatRot(1,2) = -A * SinBeta + Coef * B * C;
- MatRot(2,0) = -B * SinBeta + Coef * A * C;
- MatRot(2,1) = A * SinBeta + Coef * B * C;
- MatRot(2,2) = C * C + (1. - C * C) * CosBeta;
- Xf = Xi * MatRot(0,0) + Yi * MatRot(0,1) + Zi * MatRot(0,2);
- Yf = Xi * MatRot(1,0) + Yi * MatRot(1,1) + Zi * MatRot(1,2);
- Zf = Xi * MatRot(2,0) + Yi * MatRot(2,1) + Zi * MatRot(2,2);
-// Rotation de la normale
- X1 = VX * MatRot(0,0) + VY * MatRot(0,1) + VZ * MatRot(0,2);
- Y1 = VX * MatRot(1,0) + VY * MatRot(1,1) + VZ * MatRot(1,2);
- Z1 = VX * MatRot(2,0) + VY * MatRot(2,1) + VZ * MatRot(2,2);
- VX = X1 + Xi - Xf ; VY = Y1 + Yi - Yf ; VZ = Z1 + Zi - Zf;
- V3d::CircleInPlane(gsymbol,Xi,Yi,Zi,VX,VY,VZ,Rayon/40.);
- }
-}
-
-
-void V3d_PositionalLight::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 d'une structure slight d'elements reperables (la position de
-// la light, et le domaine d'eclairage represente par un cercle)
-// Creation d'une structure snopick d'elements non reperables ( cible, meridien et
-// parallele ).
-
- 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();
-
-//Affichage de la position de la light.
-
- glight->SetPickId(1);
- 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);
-
-//Affichage de la sphere de reperage (limite au cercle).
-
- if (Pres == V3d_COMPLETE || Pres == V3d_PARTIAL) {
-
- Rayon = this->Radius();
- aView->Proj(VX,VY,VZ);
- gsphere->SetPickId(2);
- V3d::CircleInPlane(gsphere,X0,Y0,Z0,VX,VY,VZ,Rayon);
-
-//Affichage du rayon de la sphere (ligne + texte)
-
- if (Pres == V3d_COMPLETE) {
- gradius->SetPickId(3);
- gExtArrow->SetPickId(4);
- gIntArrow->SetPickId(5);
- 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,Standard_PI/15.,Rayon/20.);
- V3d::ArrowOfRadius(gIntArrow,X0,Y0,Z0,X0-X,Y0-Y,Z0-Z,Standard_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);
- }
-
-//Affichage du meridien
-
- Quantity_Color Col2(Quantity_NOC_GREEN);
- Handle(Graphic3d_AspectLine3d) Asp2 = new Graphic3d_AspectLine3d
- (Col2,Aspect_TOL_SOLID,1.);
- gnopick->SetPrimitivesAspect(Asp2);
-
-// Definition de l'axe du cercle
- 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);
-
-// Affichage de la parallele
-
-// Definition de l'axe du cercle
- 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);
+// 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 <V3d_PositionalLight.hxx>
+
+IMPLEMENT_STANDARD_RTTIEXT(V3d_PositionalLight,V3d_PositionLight)
+
+// =======================================================================
+// function : V3d_PositionalLight
+// purpose :
+// =======================================================================
+V3d_PositionalLight::V3d_PositionalLight (const gp_Pnt& thePos,
+ const Quantity_Color& theColor)
+: V3d_PositionLight (Graphic3d_TOLS_POSITIONAL)
+{
+ SetColor (theColor);
+ SetPosition (thePos);
}
projects / occt.git / blobdiff