src/OBJECT/GEOM_Actor.cxx

   1 //  Copyright (C) 2007-2008  CEA/DEN, EDF R&D, OPEN CASCADE
   2 //
   3 //  Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
   4 //  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
   5 //
   6 //  This library is free software; you can redistribute it and/or
   7 //  modify it under the terms of the GNU Lesser General Public
   8 //  License as published by the Free Software Foundation; either
   9 //  version 2.1 of the License.
  10 //
  11 //  This library is distributed in the hope that it will be useful,
  12 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 //  Lesser General Public License for more details.
  15 //
  16 //  You should have received a copy of the GNU Lesser General Public
  17 //  License along with this library; if not, write to the Free Software
  18 //  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  19 //
  20 //  See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  21 //
  22 //  GEOM OBJECT : interactive object for Geometry entities visualization
  23 //  File   : GEOM_Actor.cxx
  24 //  Author : Christophe ATTANASIO
  25 //  Module : GEOM
  26 //  $Header$
  27 //
  28 /*!
  29   \class GEOM_Actor GEOM_Actor.h
  30   \brief This class allows to display an OpenCASCADE CAD model in a VTK viewer.
  31 */
  32 #include "GEOM_Actor.h"
  33
  34 #include "GEOM_DeviceActor.h"
  35 #include "GEOM_VertexSource.h"
  36 #include "GEOM_EdgeSource.h"
  37 #include "GEOM_WireframeFace.h"
  38 #include "GEOM_ShadingFace.h"
  39 #include "SVTK_Actor.h"
  40
  41 #include <vtkObjectFactory.h>
  42 #include <vtkRenderer.h>
  43 #include <vtkProperty.h>
  44 #include <vtkPointPicker.h>
  45 #include <vtkCellPicker.h>
  46
  47 #include <TopAbs_ShapeEnum.hxx>
  48 #include <TopExp_Explorer.hxx>
  49 #include <Poly_Triangulation.hxx>
  50 #include <BRepMesh_IncrementalMesh.hxx>
  51 #include <Bnd_Box.hxx>
  52 #include <TopoDS.hxx>
  53 #include <BRep_Tool.hxx>
  54 #include <BRepBndLib.hxx>
  55 #include <TopTools_ListOfShape.hxx>
  56 #include <TopoDS_Iterator.hxx>
  57 #include <TopExp.hxx>
  58
  59 #include <vtkPolyDataWriter.h>
  60
  61 #include <vtkAppendPolyData.h>
  62 #include <vtkPolyDataMapper.h>
  63 #include <vtkPolyData.h>
  64 #include <vtkTransform.h>
  65 #include <vtkMatrix4x4.h>
  66 #include <vtkMath.h>
  67 #include <vtkCamera.h>
  68
  69 #include "utilities.h"
  70
  71 //vtkStandardNewMacro(GEOM_Actor);
  72
  73 #ifndef MYDEBUG
  74 //#define MYDEBUG
  75 #endif
  76
  77 GEOM_Actor::GEOM_Actor():
  78   //  myDisplayMode(eWireframe),
  79   myIsSelected(false),
  80
  81   myVertexActor(GEOM_DeviceActor::New(),true),
  82   myVertexSource(GEOM_VertexSource::New(),true),
  83
  84   myIsolatedEdgeActor(GEOM_DeviceActor::New(),true),
  85   myIsolatedEdgeSource(GEOM_EdgeSource::New(),true),
  86
  87   myOneFaceEdgeActor(GEOM_DeviceActor::New(),true),
  88   myOneFaceEdgeSource(GEOM_EdgeSource::New(),true),
  89
  90   mySharedEdgeActor(GEOM_DeviceActor::New(),true),
  91   mySharedEdgeSource(GEOM_EdgeSource::New(),true),
  92
  93   myWireframeFaceActor(GEOM_DeviceActor::New(),true),
  94   myWireframeFaceSource(GEOM_WireframeFace::New(),true),
  95
  96   myShadingFaceActor(GEOM_DeviceActor::New(),true),
  97   myShadingFaceSource(GEOM_ShadingFace::New(),true),
  98
  99   myHighlightActor(GEOM_DeviceActor::New(),true),
 100   myAppendFilter(vtkAppendPolyData::New(),true),
 101   myPolyDataMapper(vtkPolyDataMapper::New(),true),
 102
 103   myHighlightProp(vtkProperty::New()),
 104   myPreHighlightProp(vtkProperty::New()),
 105   myShadingFaceProp(vtkProperty::New())
 106
 107 {
 108 #ifdef MYDEBUG
 109   MESSAGE (this<< " GEOM_Actor::GEOM_Actor");
 110 #endif
 111
 112   myPolyDataMapper->SetInput(myAppendFilter->GetOutput());
 113   vtkProperty* aProperty;
 114
 115   myHighlightProp->SetAmbient(0.5);
 116   myHighlightProp->SetDiffuse(0.3);
 117   myHighlightProp->SetSpecular(0.2);
 118   myHighlightProp->SetRepresentationToSurface();
 119   myHighlightProp->SetAmbientColor(1, 1, 1);
 120   myHighlightProp->SetDiffuseColor(1, 1, 1);
 121   myHighlightProp->SetSpecularColor(0.5, 0.5, 0.5);
 122   myHighlightActor->SetProperty(myHighlightProp.GetPointer());
 123
 124   this->myHighlightActor->SetInput(myAppendFilter->GetOutput(),false);
 125
 126   myPreHighlightProp->SetColor(0,1,1);
 127   myPreHighlightProp->SetPointSize(SALOME_POINT_SIZE+2);
 128   myPreHighlightProp->SetLineWidth(SALOME_LINE_WIDTH+1);
 129   myPreHighlightProp->SetRepresentationToWireframe();
 130
 131   myAppendFilter->AddInput(myVertexSource->GetOutput());
 132   myVertexActor->SetInput(myVertexSource->GetOutput(),false);
 133   aProperty = myVertexActor->GetProperty();
 134   aProperty->SetRepresentation(VTK_POINTS);
 135   aProperty->SetPointSize(3);
 136   aProperty->SetColor(1, 1, 0);
 137
 138   myAppendFilter->AddInput(myIsolatedEdgeSource->GetOutput());
 139   myIsolatedEdgeActor->SetInput(myIsolatedEdgeSource->GetOutput(),false);
 140   aProperty = myIsolatedEdgeActor->GetProperty();
 141   aProperty->SetRepresentation(VTK_WIREFRAME);
 142   aProperty->SetColor(1, 0, 0);
 143
 144   myAppendFilter->AddInput(myOneFaceEdgeSource->GetOutput());
 145   myOneFaceEdgeActor->SetInput(myOneFaceEdgeSource->GetOutput(),false);
 146   aProperty = myOneFaceEdgeActor->GetProperty();
 147   aProperty->SetRepresentation(VTK_WIREFRAME);
 148   aProperty->SetColor(0, 1, 0);
 149
 150   myAppendFilter->AddInput(mySharedEdgeSource->GetOutput());
 151   mySharedEdgeActor->SetInput(mySharedEdgeSource->GetOutput(),false);
 152   aProperty = mySharedEdgeActor->GetProperty();
 153   aProperty->SetRepresentation(VTK_WIREFRAME);
 154   aProperty->SetColor(1, 1, 0);
 155
 156   myAppendFilter->AddInput(myWireframeFaceSource->GetOutput());
 157   myWireframeFaceActor->SetInput(myWireframeFaceSource->GetOutput(),false);
 158   aProperty = myWireframeFaceActor->GetProperty();
 159   aProperty->SetRepresentation(VTK_WIREFRAME);
 160   aProperty->SetColor(0.5, 0.5, 0.5);
 161
 162   myShadingFaceActor->SetInput(myShadingFaceSource->GetOutput(),true);
 163
 164   myShadingFaceProp->SetRepresentation(VTK_SURFACE);
 165   myShadingFaceProp->SetInterpolationToGouraud();
 166   myShadingFaceProp->SetAmbient(1.0);
 167   myShadingFaceProp->SetDiffuse(1.0);
 168   myShadingFaceProp->SetSpecular(0.4);
 169   myShadingFaceProp->SetAmbientColor(0.329412, 0.223529, 0.027451);
 170   myShadingFaceProp->SetDiffuseColor(0.780392, 0.568627, 0.113725);
 171   myShadingFaceProp->SetSpecularColor(0.992157, 0.941176, 0.807843);
 172
 173   myShadingFaceActor->SetProperty(myShadingFaceProp.GetPointer());
 174
 175   // Toggle display mode
 176   setDisplayMode(0); // WIRE FRAME
 177
 178 }
 179
 180
 181 GEOM_Actor::~GEOM_Actor()
 182 {
 183 #ifdef MYDEBUG
 184   MESSAGE (this<< " ~GEOM_Actor::GEOM_Actor");
 185 #endif
 186   myHighlightProp->Delete();
 187   myPreHighlightProp->Delete();
 188   myShadingFaceProp->Delete();
 189 }
 190
 191 GEOM_Actor*
 192 GEOM_Actor::
 193 New()
 194 {
 195   GEOM_Actor* anObject = new GEOM_Actor();
 196   anObject->SetMapper(anObject->myPolyDataMapper.Get());
 197   return anObject;
 198 }
 199
 200
 201 void Write(vtkPolyData* theDataSet, const char* theFileName){
 202   vtkPolyDataWriter* aWriter = vtkPolyDataWriter::New();
 203   MESSAGE ("Write - "<<theFileName<<"' : "<<theDataSet->GetNumberOfPoints()<<"; "<<theDataSet->GetNumberOfCells());
 204   aWriter->SetInput(theDataSet);
 205   aWriter->SetFileName(theFileName);
 206   //aWriter->Write();
 207   aWriter->Delete();
 208 }
 209
 210 void
 211 GEOM_Actor::
 212 SetModified()
 213 {
 214   this->myVertexSource->Modified();
 215   this->myIsolatedEdgeSource->Modified();
 216   this->myOneFaceEdgeSource->Modified();
 217   this->mySharedEdgeSource->Modified();
 218   this->myWireframeFaceSource->Modified();
 219   this->myShadingFaceSource->Modified();
 220 }
 221
 222 void
 223 GEOM_Actor::
 224 SetMapper(vtkMapper* theMapper)
 225 {
 226   SALOME_Actor::SetMapper(theMapper);
 227 }
 228
 229 void
 230 GEOM_Actor::
 231 AddToRender(vtkRenderer* theRenderer)
 232 {
 233   //SALOME_Actor::AddToRender(theRenderer);
 234
 235   theRenderer->AddActor(this);
 236
 237   this->myHighlightActor->AddToRender(theRenderer);
 238
 239
 240   myShadingFaceActor->AddToRender(theRenderer);
 241   myWireframeFaceActor->AddToRender(theRenderer);
 242
 243   mySharedEdgeActor->AddToRender(theRenderer);
 244   myOneFaceEdgeActor->AddToRender(theRenderer);
 245   myIsolatedEdgeActor->AddToRender(theRenderer);
 246
 247   myVertexActor->AddToRender(theRenderer);
 248 }
 249
 250 void
 251 GEOM_Actor::
 252 RemoveFromRender(vtkRenderer* theRenderer)
 253 {
 254   //SALOME_Actor::RemoveFromRender(theRenderer);
 255
 256
 257   theRenderer->RemoveActor(this);
 258
 259   myHighlightActor->RemoveFromRender(theRenderer);
 260   myShadingFaceActor->RemoveFromRender(theRenderer);
 261   myWireframeFaceActor->RemoveFromRender(theRenderer);
 262
 263   mySharedEdgeActor->RemoveFromRender(theRenderer);
 264   myOneFaceEdgeActor->RemoveFromRender(theRenderer);
 265   myIsolatedEdgeActor->RemoveFromRender(theRenderer);
 266
 267   myVertexActor->RemoveFromRender(theRenderer);
 268
 269
 270   SetSelected(false);
 271   SetVisibility(false);
 272 }
 273
 274 void
 275 GEOM_Actor::
 276 setDisplayMode(int theMode)
 277 {
 278 #ifdef MYDEBUG
 279   MESSAGE ( "GEOM_Actor::SetDisplayMode = "<<theMode );
 280 #endif
 281   VTKViewer_Actor::setDisplayMode(theMode);
 282   SetVisibility(GetVisibility());
 283 }
 284
 285 void
 286 GEOM_Actor::
 287 SetSelected(bool theIsSelected)
 288 {
 289 #ifdef MYDEBUG
 290   MESSAGE ( "GEOM_Actor::SetSelected = "<<theIsSelected  );
 291 #endif
 292
 293   myIsSelected = theIsSelected;
 294   SetVisibility(GetVisibility());
 295 }
 296
 297 void
 298 GEOM_Actor::
 299 SetVisibility(int theVisibility)
 300 {
 301 #ifdef MYDEBUG
 302   MESSAGE ( "GEOM_Actor::SetVisibility = "<<theVisibility <<"  myIsSelected="<< myIsSelected
 303             << " theVisibility="<<theVisibility<<" myIsPreselected="<<myIsPreselected );
 304 #endif
 305
 306   SALOME_Actor::SetVisibility(theVisibility);
 307
 308   this->myHighlightActor->SetVisibility(theVisibility && (myIsSelected || myIsPreselected));
 309
 310   myShadingFaceActor->SetVisibility(theVisibility && (myDisplayMode == (int)eShading) && (!myIsSelected || !myIsPreselected));
 311   myWireframeFaceActor->SetVisibility(theVisibility && (myDisplayMode ==(int)eWireframe) && !myIsSelected);
 312
 313   mySharedEdgeActor->SetVisibility(theVisibility && myDisplayMode == (int)eWireframe && !myIsSelected);
 314   myOneFaceEdgeActor->SetVisibility(theVisibility && myDisplayMode == (int)eWireframe && !myIsSelected);
 315   myIsolatedEdgeActor->SetVisibility(theVisibility && !myIsSelected);
 316
 317 //  myVertexActor->SetVisibility(false);// must be added new mode points
 318   myVertexActor->SetVisibility(theVisibility);
 319 }
 320
 321
 322 void
 323 GEOM_Actor
 324 ::SetNbIsos(const int theNb[2])
 325 {
 326   myWireframeFaceSource->SetNbIso(theNb);
 327 }
 328
 329 void
 330 GEOM_Actor
 331 ::GetNbIsos(int &theNbU,int &theNbV)
 332 {
 333   myWireframeFaceSource->GetNbIso(theNbU, theNbV);
 334 }
 335
 336 static
 337 void
 338 MeshShape(const TopoDS_Shape& theShape,
 339           float& theDeflection,
 340           bool theIsRelative)
 341 {
 342   static Standard_Real RELATIVE_DEFLECTION = 0.0001;
 343   Standard_Real aDeflection = theDeflection;
 344
 345   if(theDeflection <= 0) { // Compute default theDeflection
 346     Bnd_Box B;
 347     BRepBndLib::Add(theShape, B);
 348     Standard_Real aXmin, aYmin, aZmin, aXmax, aYmax, aZmax;
 349     B.Get(aXmin, aYmin, aZmin, aXmax, aYmax, aZmax);
 350     Standard_Real aDiagonal = (aXmax-aXmin)*(aXmax-aXmin) +
 351                               (aYmax-aYmin)*(aYmax-aYmin) +
 352                               (aZmax-aZmin)*(aZmax-aZmin);
 353     aDiagonal = sqrt(aDiagonal);
 354     aDeflection = aDiagonal*RELATIVE_DEFLECTION;
 355
 356     if(theIsRelative)
 357       theDeflection = RELATIVE_DEFLECTION;
 358     else
 359       theDeflection = aDeflection;
 360   }
 361
 362   BRepMesh_IncrementalMesh aMesh(theShape,aDeflection);
 363 }
 364
 365 void
 366 GEOM_Actor::
 367 SetDeflection(float theDeflection, bool theIsRelative)
 368 {
 369   myDeflection = theDeflection;
 370   myIsRelative = theIsRelative;
 371
 372   MeshShape(myShape,myDeflection,myIsRelative);
 373
 374   SetModified();
 375 }
 376
 377 void GEOM_Actor::SetShape (const TopoDS_Shape& theShape,
 378                            float theDeflection,
 379                            bool theIsRelative,
 380                            bool theIsVector)
 381 {
 382   myShape = theShape;
 383
 384   myVertexSource->Clear();
 385   myIsolatedEdgeSource->Clear();
 386   myOneFaceEdgeSource->Clear();
 387   mySharedEdgeSource->Clear();
 388   myWireframeFaceSource->Clear();
 389   myShadingFaceSource->Clear();
 390
 391   TopExp_Explorer aVertexExp (theShape,TopAbs_VERTEX);
 392   for (; aVertexExp.More(); aVertexExp.Next())
 393   {
 394      const TopoDS_Vertex& aVertex = TopoDS::Vertex(aVertexExp.Current());
 395      myVertexSource->AddVertex(aVertex);
 396   }
 397   SetDeflection(theDeflection, theIsRelative);
 398
 399   // look if edges are free or shared
 400   TopTools_IndexedDataMapOfShapeListOfShape anEdgeMap;
 401   TopExp::MapShapesAndAncestors(theShape,TopAbs_EDGE,TopAbs_FACE,anEdgeMap);
 402
 403   SetShape(theShape,anEdgeMap,theIsVector);
 404 }
 405
 406 void GEOM_Actor::SetShape (const TopoDS_Shape& theShape,
 407                            const TopTools_IndexedDataMapOfShapeListOfShape& theEdgeMap,
 408                            bool theIsVector)
 409 {
 410   if (theShape.ShapeType() == TopAbs_COMPOUND) {
 411     TopoDS_Iterator anItr(theShape);
 412     for (; anItr.More(); anItr.Next()) {
 413       SetShape(anItr.Value(),theEdgeMap,theIsVector);
 414     }
 415   }
 416
 417   switch (theShape.ShapeType()) {
 418     case TopAbs_WIRE: {
 419       TopExp_Explorer anEdgeExp(theShape,TopAbs_EDGE);
 420       for (; anEdgeExp.More(); anEdgeExp.Next()){
 421         const TopoDS_Edge& anEdge = TopoDS::Edge(anEdgeExp.Current());
 422         if (!BRep_Tool::Degenerated(anEdge))
 423           myIsolatedEdgeSource->AddEdge(anEdge,theIsVector);
 424       }
 425       break;
 426     }
 427     case TopAbs_EDGE: {
 428       const TopoDS_Edge& anEdge = TopoDS::Edge(theShape);
 429       if (!BRep_Tool::Degenerated(anEdge))
 430         myIsolatedEdgeSource->AddEdge(anEdge,theIsVector);
 431       break;
 432     }
 433     case TopAbs_VERTEX: {
 434       break;
 435     }
 436     default: {
 437       TopExp_Explorer aFaceExp (theShape,TopAbs_FACE);
 438       for(; aFaceExp.More(); aFaceExp.Next()) {
 439         const TopoDS_Face& aFace = TopoDS::Face(aFaceExp.Current());
 440         myWireframeFaceSource->AddFace(aFace);
 441         myShadingFaceSource->AddFace(aFace);
 442         TopExp_Explorer anEdgeExp(aFaceExp.Current(), TopAbs_EDGE);
 443         for(; anEdgeExp.More(); anEdgeExp.Next()) {
 444           const TopoDS_Edge& anEdge = TopoDS::Edge(anEdgeExp.Current());
 445           if(!BRep_Tool::Degenerated(anEdge)){
 446             // compute the number of faces
 447             int aNbOfFaces = theEdgeMap.FindFromKey(anEdge).Extent();
 448             switch(aNbOfFaces){
 449             case 0:  // isolated edge
 450               myIsolatedEdgeSource->AddEdge(anEdge,theIsVector);
 451               break;
 452             case 1:  // edge in only one face
 453               myOneFaceEdgeSource->AddEdge(anEdge,theIsVector);
 454               break;
 455             default: // edge shared by at least two faces
 456               mySharedEdgeSource->AddEdge(anEdge,theIsVector);
 457             }
 458           }
 459         }
 460       }
 461     }
 462   }
 463 }
 464
 465 // OLD METHODS
 466 void GEOM_Actor::setDeflection(double adef) {
 467 #ifdef MYDEBUG
 468   MESSAGE ( "GEOM_Actor::setDeflection" );
 469 #endif
 470   SetDeflection((float)adef,GetIsRelative());
 471 }
 472
 473
 474 // warning! must be checked!
 475 // SetHighlightProperty
 476 // SetWireframeProperty
 477 // SetShadingProperty
 478
 479 void GEOM_Actor::SetHighlightProperty(vtkProperty* Prop)
 480 {
 481 #ifdef MYDEBUG
 482   MESSAGE ( "GEOM_Actor::SetHighlightProperty" );
 483 #endif
 484   this->myHighlightActor->GetProperty()->DeepCopy(Prop);
 485
 486 }
 487
 488 void GEOM_Actor::SetWireframeProperty(vtkProperty* Prop)
 489 {
 490 #ifdef MYDEBUG
 491   MESSAGE ( this << " GEOM_Actor::SetWireframeProperty" );
 492 #endif
 493   // must be filled
 494   myWireframeFaceActor->SetProperty(Prop);
 495 }
 496
 497 void GEOM_Actor::SetShadingProperty(vtkProperty* Prop)
 498 {
 499 #ifdef MYDEBUG
 500   MESSAGE ( "GEOM_Actor::SetShadingProperty" );
 501 #endif
 502   myShadingFaceProp->DeepCopy(Prop);
 503 }
 504
 505
 506 void GEOM_Actor::Render(vtkRenderer *ren, vtkMapper *theMapper)
 507 {
 508 #ifdef MYDEBUG
 509   MESSAGE ( "GEOM_Actor::Render" );
 510 #endif
 511
 512   if(!GetVisibility())
 513     return;
 514
 515   /* render the property */
 516   if (!this->Property) {
 517     // force creation of a property
 518     this->GetProperty();
 519     this->Property->SetInterpolation(1);
 520     this->Property->SetRepresentationToSurface();
 521     this->Property->SetAmbient(0.3);
 522     this->Property->SetAmbientColor(0.88,0.86,0.2);
 523     this->Property->SetDiffuseColor(0.99,0.7,0.21);
 524     this->Property->SetSpecularColor(0.99,0.98,0.83);
 525   }
 526
 527   switch(myDisplayMode){
 528   case 0://wireframe
 529     myPreHighlightProp->SetRepresentationToWireframe();
 530     myHighlightProp->SetRepresentationToWireframe();
 531     break;
 532   case 1://shading
 533     myPreHighlightProp->SetRepresentationToSurface();
 534     myHighlightProp->SetRepresentationToSurface();
 535     break;
 536   }
 537
 538   if(!myIsSelected){
 539     if(myIsPreselected){
 540       this->myHighlightActor->SetProperty(myPreHighlightProp.GetPointer());
 541       myShadingFaceActor->SetProperty(myPreHighlightProp.GetPointer());
 542     } else {
 543       this->myHighlightActor->SetProperty(myShadingFaceProp.GetPointer());
 544       myShadingFaceActor->SetProperty(myShadingFaceProp.GetPointer());
 545     }
 546   }
 547   else{
 548     this->myHighlightActor->SetProperty(myHighlightProp.GetPointer());
 549     myShadingFaceActor->SetProperty(myHighlightProp.GetPointer());
 550   }
 551
 552   this->Property->Render(this, ren);
 553   if (this->BackfaceProperty) {
 554     this->BackfaceProperty->BackfaceRender(this, ren);
 555     this->Device->SetBackfaceProperty(this->BackfaceProperty);
 556   }
 557   this->Device->SetProperty(this->Property);
 558   if(myShape.ShapeType() == TopAbs_VERTEX) {
 559     if(ren){
 560       //The parameter determine size of vertex actor relate to diagonal of RendererWindow
 561       static vtkFloatingPointType delta = 0.01;
 562       vtkFloatingPointType X1 = -1, Y1 = -1, Z1 = 0;
 563       ren->ViewToWorld(X1,Y1,Z1);
 564       vtkFloatingPointType X2 = +1, Y2 = +1, Z2 = 0;
 565       ren->ViewToWorld(X2,Y2,Z2);
 566       Z2 = sqrt((X2-X1)*(X2-X1) + (Y2-Y1)*(Y2-Y1) + (Z2-Z1)*(Z2-Z1));
 567       this->SetScale(Z2*delta);
 568     }
 569     vtkMatrix4x4 *aMatrix = vtkMatrix4x4::New();
 570     this->GetMatrix(ren->GetActiveCamera(), aMatrix);
 571     this->Device->SetUserMatrix(aMatrix);
 572     this->Device->Render(ren,theMapper);
 573     aMatrix->Delete();
 574   } else
 575     this->Device->Render(ren, theMapper);
 576 }
 577
 578 void GEOM_Actor::ReleaseGraphicsResources(vtkWindow *)
 579 {
 580 #ifdef MYDEBUG
 581   MESSAGE ( "GEOM_Actor::ReleaseGraphicsResources" );
 582 #endif
 583 }
 584
 585
 586
 587 void GEOM_Actor::ShallowCopy(vtkProp *prop)
 588 {
 589 #ifdef MYDEBUG
 590   MESSAGE ( "GEOM_Actor::ShallowCopy" );
 591 #endif
 592   GEOM_Actor *f = GEOM_Actor::SafeDownCast(prop);
 593   if ( f != NULL )
 594     {
 595       this->SetShape(f->getTopo(),f->GetDeflection(),f->GetIsRelative());
 596     }
 597
 598   // Now do superclass
 599   this->SALOME_Actor::ShallowCopy(prop);
 600 }
 601
 602 const TopoDS_Shape& GEOM_Actor::getTopo() {
 603 #ifdef MYDEBUG
 604   MESSAGE ( "GEOM_Actor::getTopo" );
 605 #endif
 606   return myShape;
 607 }
 608
 609 void GEOM_Actor::setInputShape(const TopoDS_Shape& ashape, double adef1,
 610                                int imode, bool isVector)
 611 {
 612 #ifdef MYDEBUG
 613   MESSAGE ( "GEOM_Actor::setInputShape" );
 614 #endif
 615 }
 616
 617 double GEOM_Actor::getDeflection()
 618 {
 619 #ifdef MYDEBUG
 620   MESSAGE ( "GEOM_Actor::getDeflection" );
 621 #endif
 622   return (double) GetDeflection();
 623 }
 624
 625
 626 double GEOM_Actor::isVector()
 627 {
 628 #ifdef MYDEBUG
 629   MESSAGE ( "GEOM_Actor::isVector" );
 630 #endif
 631   return 0;
 632 }
 633
 634 void GEOM_Actor::SubShapeOn()
 635 {
 636 #ifdef MYDEBUG
 637   MESSAGE ( "GEOM_Actor::SubShapeOn" );
 638 #endif
 639 }
 640
 641 void GEOM_Actor::SubShapeOff()
 642 {
 643 #ifdef MYDEBUG
 644   MESSAGE ( "GEOM_Actor::SubShapeOff" );
 645 #endif
 646 }
 647
 648 void GEOM_Actor::highlight(bool highlight)
 649 {
 650 #ifdef MYDEBUG
 651   MESSAGE ( this << " GEOM_Actor::highlight highlight="<<highlight );
 652 #endif
 653   SALOME_Actor::highlight(highlight);
 654 }
 655
 656 void GEOM_Actor::SetOpacity(vtkFloatingPointType opa)
 657 {
 658   // enk:tested OK
 659   myShadingFaceProp->SetOpacity(opa);
 660   myHighlightProp->SetOpacity(opa);
 661   myPreHighlightProp->SetOpacity(opa);
 662 }
 663
 664 vtkFloatingPointType GEOM_Actor::GetOpacity()
 665 {
 666   // enk:tested OK
 667   return myShadingFaceProp->GetOpacity();
 668 }
 669
 670 void GEOM_Actor::SetColor(vtkFloatingPointType r,vtkFloatingPointType g,vtkFloatingPointType b)
 671 {
 672   // enk:tested OK
 673   myShadingFaceProp->SetColor(r,g,b);                          // shading color (Shading)
 674   myIsolatedEdgeActor->GetProperty()->SetColor(r,g,b);         // standalone edge color (Wireframe)
 675   myVertexActor->GetProperty()->SetColor(r,g,b);               // vertex actor (Shading/Wireframe)
 676   myOneFaceEdgeActor->GetProperty()->SetColor(r,g,b);          // standalone face edge color (Wireframe)
 677   mySharedEdgeActor->GetProperty()->SetColor(r,g,b);           // share edge color (Wireframe)
 678 }
 679
 680 void GEOM_Actor::GetColor(vtkFloatingPointType& r,vtkFloatingPointType& g,vtkFloatingPointType& b)
 681 {
 682   // enk:tested OK
 683   vtkFloatingPointType aRGB[3];
 684   myShadingFaceProp->GetColor(aRGB);
 685   r = aRGB[0];
 686   g = aRGB[1];
 687   b = aRGB[2];
 688 }
 689
 690 bool GEOM_Actor::IsInfinitive()
 691 {
 692   return (bool)(myShape.Infinite());
 693 }
 694
 695 /*!
 696   To map current selection to VTK representation
 697 */
 698 void
 699 GEOM_Actor
 700 ::Highlight(bool theIsHighlight)
 701 {
 702   myIsSelected = theIsHighlight;
 703 #ifdef MYDEBUG
 704   MESSAGE ( this << " GEOM_Actor::Highlight myIsSelected="<<myIsSelected );
 705 #endif
 706
 707   SALOME_Actor::Highlight(theIsHighlight); // this method call ::highlight(theIsHighlight) in the end
 708   SetVisibility(GetVisibility());
 709 }
 710
 711 /*!
 712   To process prehighlight (called from SVTK_InteractorStyle)
 713 */
 714 bool
 715 GEOM_Actor
 716 ::PreHighlight(vtkInteractorStyle *theInteractorStyle,
 717                SVTK_SelectionEvent* theSelectionEvent,
 718                bool theIsHighlight)
 719 {
 720 #ifdef MYDEBUG
 721   MESSAGE ( this<<" GEOM_Actor::PreHighlight (3) theIsHighlight="<<theIsHighlight );
 722 #endif
 723
 724   if ( !GetPickable() )
 725     return false;
 726
 727   myPreHighlightActor->SetVisibility( false );
 728   bool anIsPreselected = myIsPreselected;
 729
 730   Selection_Mode aSelectionMode = theSelectionEvent->mySelectionMode;
 731   bool anIsChanged = (mySelectionMode != aSelectionMode);
 732
 733   if( !theIsHighlight ) {
 734     SetPreSelected( false );
 735   }else{
 736     switch(aSelectionMode){
 737     case ActorSelection :
 738     {
 739       if( !mySelector->IsSelected( myIO ) ) {
 740         SetPreSelected( true );
 741       }
 742     }
 743     default:
 744       break;
 745     }
 746   }
 747
 748   mySelectionMode = aSelectionMode;
 749   anIsChanged |= (anIsPreselected != myIsPreselected);
 750
 751   SetVisibility(GetVisibility());
 752   return anIsChanged;
 753 }
 754
 755 /*!
 756   To process highlight (called from SVTK_InteractorStyle)
 757 */
 758 bool
 759 GEOM_Actor
 760 ::Highlight(vtkInteractorStyle *theInteractorStyle,
 761             SVTK_SelectionEvent* theSelectionEvent,
 762             bool theIsHighlight)
 763 {
 764   // define the selection of object
 765 #ifdef MYDEBUG
 766   MESSAGE ( std::endl << this << " GEOM_Actor::Highlight (3) myIsSelected="<<myIsSelected );
 767 #endif
 768   bool aRet = SALOME_Actor::Highlight(theInteractorStyle,theSelectionEvent,theIsHighlight);
 769   SetSelected(theIsHighlight);
 770   if(theIsHighlight)
 771     SetPreSelected(false);
 772
 773
 774   return aRet;
 775 }
 776
 777 // Copy the follower's composite 4x4 matrix into the matrix provided.
 778 void GEOM_Actor::GetMatrix(vtkCamera* theCam, vtkMatrix4x4 *result)
 779 {
 780   double *pos, *vup;
 781   double Rx[3], Ry[3], Rz[3], p1[3];
 782   vtkMatrix4x4 *matrix = vtkMatrix4x4::New();
 783   int i;
 784   double distance;
 785
 786   this->GetOrientation();
 787   this->Transform->Push();
 788   this->Transform->PostMultiply();
 789   this->Transform->Identity();
 790
 791   // apply user defined matrix last if there is one
 792   if (this->UserMatrix)
 793     {
 794     this->Transform->Concatenate(this->UserMatrix);
 795     }
 796
 797   this->Transform->Translate(-this->Origin[0],
 798                              -this->Origin[1],
 799                              -this->Origin[2]);
 800   // scale
 801   this->Transform->Scale(this->Scale[0],
 802                          this->Scale[1],
 803                          this->Scale[2]);
 804
 805   // rotate
 806   this->Transform->RotateY(this->Orientation[1]);
 807   this->Transform->RotateX(this->Orientation[0]);
 808   this->Transform->RotateZ(this->Orientation[2]);
 809
 810   if (theCam)
 811     {
 812     // do the rotation
 813     // first rotate y
 814     pos = theCam->GetPosition();
 815     vup = theCam->GetViewUp();
 816
 817     if (theCam->GetParallelProjection())
 818       {
 819       theCam->GetDirectionOfProjection(Rz);
 820       }
 821     else
 822       {
 823       distance = sqrt(
 824         (pos[0] - this->Position[0])*(pos[0] - this->Position[0]) +
 825         (pos[1] - this->Position[1])*(pos[1] - this->Position[1]) +
 826         (pos[2] - this->Position[2])*(pos[2] - this->Position[2]));
 827       for (i = 0; i < 3; i++)
 828         {
 829         Rz[i] = (pos[i] - this->Position[i])/distance;
 830         }
 831       }
 832
 833     vtkMath::Cross(vup,Rz,Rx);
 834     vtkMath::Normalize(Rx);
 835     vtkMath::Cross(Rz,Rx,Ry);
 836
 837     matrix->Element[0][0] = Rx[0];
 838     matrix->Element[1][0] = Rx[1];
 839     matrix->Element[2][0] = Rx[2];
 840     matrix->Element[0][1] = Ry[0];
 841     matrix->Element[1][1] = Ry[1];
 842     matrix->Element[2][1] = Ry[2];
 843     matrix->Element[0][2] = Rz[0];
 844     matrix->Element[1][2] = Rz[1];
 845     matrix->Element[2][2] = Rz[2];
 846
 847     this->Transform->Concatenate(matrix);
 848     }
 849
 850   // translate to projection reference point PRP
 851   // this is the camera's position blasted through
 852   // the current matrix
 853   p1[0] = this->Origin[0] + this->Position[0];
 854   p1[1] = this->Origin[1] + this->Position[1];
 855   p1[2] = this->Origin[2] + this->Position[2];
 856
 857   this->Transform->Translate(p1[0],p1[1],p1[2]);
 858   this->Transform->GetMatrix(result);
 859
 860   matrix->Delete();
 861   this->Transform->Pop();
 862 }