src/OBJECT/GEOM_Actor.cxx

   1 //  GEOM OBJECT : interactive object for Geometry entities visualization
   2 //
   3 //  Copyright (C) 2003  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 //
  23 //
  24 //  File   : GEOM_Actor.cxx
  25 //  Author : Christophe ATTANASIO
  26 //  Module : GEOM
  27 //  $Header$
  28
  29 /*!
  30   \class GEOM_Actor GEOM_Actor.h
  31   \brief This class allows to display an OpenCASCADE CAD model in a VTK viewer.
  32 */
  33 #include "GEOM_Actor.h"
  34
  35 #include "GEOM_DeviceActor.h"
  36 #include "GEOM_VertexSource.h"
  37 #include "GEOM_EdgeSource.h"
  38 #include "GEOM_WireframeFace.h"
  39 #include "GEOM_ShadingFace.h"
  40 #include "SVTK_Actor.h"
  41
  42 #include <vtkObjectFactory.h>
  43 #include <vtkRenderer.h>
  44 #include <vtkProperty.h>
  45 #include <vtkPointPicker.h>
  46 #include <vtkCellPicker.h>
  47
  48 #include <TopAbs_ShapeEnum.hxx>
  49 #include <TopExp_Explorer.hxx>
  50 #include <Poly_Triangulation.hxx>
  51 #include <BRepMesh_IncrementalMesh.hxx>
  52 #include <Bnd_Box.hxx>
  53 #include <TopoDS.hxx>
  54 #include <BRep_Tool.hxx>
  55 #include <BRepBndLib.hxx>
  56 #include <TopTools_ListOfShape.hxx>
  57 #include <TopoDS_Iterator.hxx>
  58 #include <TopExp.hxx>
  59
  60 #include <vtkPolyDataWriter.h>
  61
  62 #include <vtkAppendPolyData.h>
  63 #include <vtkPolyDataMapper.h>
  64 #include <vtkPolyData.h>
  65 #include <vtkTransform.h>
  66 #include <vtkMatrix4x4.h>
  67 #include <vtkMath.h>
  68 #include <vtkCamera.h>
  69
  70 //vtkStandardNewMacro(GEOM_Actor);
  71
  72 #ifndef MYDEBUG
  73 //#define MYDEBUG
  74 #endif
  75
  76 GEOM_Actor::GEOM_Actor():
  77   //  myDisplayMode(eWireframe),
  78   myIsSelected(false),
  79
  80   myVertexActor(GEOM_DeviceActor::New(),true),
  81   myVertexSource(GEOM_VertexSource::New(),true),
  82
  83   myIsolatedEdgeActor(GEOM_DeviceActor::New(),true),
  84   myIsolatedEdgeSource(GEOM_EdgeSource::New(),true),
  85
  86   myOneFaceEdgeActor(GEOM_DeviceActor::New(),true),
  87   myOneFaceEdgeSource(GEOM_EdgeSource::New(),true),
  88
  89   mySharedEdgeActor(GEOM_DeviceActor::New(),true),
  90   mySharedEdgeSource(GEOM_EdgeSource::New(),true),
  91
  92   myWireframeFaceActor(GEOM_DeviceActor::New(),true),
  93   myWireframeFaceSource(GEOM_WireframeFace::New(),true),
  94
  95   myShadingFaceActor(GEOM_DeviceActor::New(),true),
  96   myShadingFaceSource(GEOM_ShadingFace::New(),true),
  97
  98   myHighlightActor(GEOM_DeviceActor::New(),true),
  99   myAppendFilter(vtkAppendPolyData::New(),true),
 100   myPolyDataMapper(vtkPolyDataMapper::New(),true),
 101
 102   myHighlightProp(vtkProperty::New()),
 103   myPreHighlightProp(vtkProperty::New()),
 104   myShadingFaceProp(vtkProperty::New())
 105
 106 {
 107 #ifdef MYDEBUG
 108   cout <<this<< " GEOM_Actor::GEOM_Actor"<<endl;
 109 #endif
 110
 111   myPolyDataMapper->SetInput(myAppendFilter->GetOutput());
 112   vtkProperty* aProperty;
 113
 114   myHighlightProp->SetAmbient(0.5);
 115   myHighlightProp->SetDiffuse(0.3);
 116   myHighlightProp->SetSpecular(0.2);
 117   myHighlightProp->SetRepresentationToSurface();
 118   myHighlightProp->SetAmbientColor(1, 1, 1);
 119   myHighlightProp->SetDiffuseColor(1, 1, 1);
 120   myHighlightProp->SetSpecularColor(0.5, 0.5, 0.5);
 121   myHighlightActor->SetProperty(myHighlightProp.GetPointer());
 122
 123   this->myHighlightActor->SetInput(myAppendFilter->GetOutput(),false);
 124
 125   myPreHighlightProp->SetColor(0,1,1);
 126   myPreHighlightProp->SetPointSize(SALOME_POINT_SIZE+2);
 127   myPreHighlightProp->SetLineWidth(SALOME_LINE_WIDTH+1);
 128   myPreHighlightProp->SetRepresentationToWireframe();
 129
 130   myAppendFilter->AddInput(myVertexSource->GetOutput());
 131   myVertexActor->SetInput(myVertexSource->GetOutput(),false);
 132   aProperty = myVertexActor->GetProperty();
 133   aProperty->SetRepresentation(VTK_POINTS);
 134   aProperty->SetPointSize(3);
 135   aProperty->SetColor(1, 1, 0);
 136
 137   myAppendFilter->AddInput(myIsolatedEdgeSource->GetOutput());
 138   myIsolatedEdgeActor->SetInput(myIsolatedEdgeSource->GetOutput(),false);
 139   aProperty = myIsolatedEdgeActor->GetProperty();
 140   aProperty->SetRepresentation(VTK_WIREFRAME);
 141   aProperty->SetColor(1, 0, 0);
 142
 143   myAppendFilter->AddInput(myOneFaceEdgeSource->GetOutput());
 144   myOneFaceEdgeActor->SetInput(myOneFaceEdgeSource->GetOutput(),false);
 145   aProperty = myOneFaceEdgeActor->GetProperty();
 146   aProperty->SetRepresentation(VTK_WIREFRAME);
 147   aProperty->SetColor(0, 1, 0);
 148
 149   myAppendFilter->AddInput(mySharedEdgeSource->GetOutput());
 150   mySharedEdgeActor->SetInput(mySharedEdgeSource->GetOutput(),false);
 151   aProperty = mySharedEdgeActor->GetProperty();
 152   aProperty->SetRepresentation(VTK_WIREFRAME);
 153   aProperty->SetColor(1, 1, 0);
 154
 155   myAppendFilter->AddInput(myWireframeFaceSource->GetOutput());
 156   myWireframeFaceActor->SetInput(myWireframeFaceSource->GetOutput(),false);
 157   aProperty = myWireframeFaceActor->GetProperty();
 158   aProperty->SetRepresentation(VTK_WIREFRAME);
 159   aProperty->SetColor(0.5, 0.5, 0.5);
 160
 161   myShadingFaceActor->SetInput(myShadingFaceSource->GetOutput(),true);
 162
 163   myShadingFaceProp->SetRepresentation(VTK_SURFACE);
 164   myShadingFaceProp->SetInterpolationToGouraud();
 165   myShadingFaceProp->SetAmbient(1.0);
 166   myShadingFaceProp->SetDiffuse(1.0);
 167   myShadingFaceProp->SetSpecular(0.4);
 168   myShadingFaceProp->SetAmbientColor(0.329412, 0.223529, 0.027451);
 169   myShadingFaceProp->SetDiffuseColor(0.780392, 0.568627, 0.113725);
 170   myShadingFaceProp->SetSpecularColor(0.992157, 0.941176, 0.807843);
 171
 172   myShadingFaceActor->SetProperty(myShadingFaceProp.GetPointer());
 173
 174   // Toggle display mode
 175   setDisplayMode(0); // WIRE FRAME
 176
 177 }
 178
 179
 180 GEOM_Actor::~GEOM_Actor()
 181 {
 182 #ifdef MYDEBUG
 183   cout <<this<< " ~GEOM_Actor::GEOM_Actor"<<endl;
 184 #endif
 185   myHighlightProp->Delete();
 186   myPreHighlightProp->Delete();
 187   myShadingFaceProp->Delete();
 188 }
 189
 190 GEOM_Actor*
 191 GEOM_Actor::
 192 New()
 193 {
 194   GEOM_Actor* anObject = new GEOM_Actor();
 195   anObject->SetMapper(anObject->myPolyDataMapper.Get());
 196   return anObject;
 197 }
 198
 199
 200 void Write(vtkPolyData* theDataSet, const char* theFileName){
 201   vtkPolyDataWriter* aWriter = vtkPolyDataWriter::New();
 202   cout<<"Write - "<<theFileName<<"' : "<<theDataSet->GetNumberOfPoints()<<"; "<<theDataSet->GetNumberOfCells()<<endl;
 203   aWriter->SetInput(theDataSet);
 204   aWriter->SetFileName(theFileName);
 205   //aWriter->Write();
 206   aWriter->Delete();
 207 }
 208
 209 void
 210 GEOM_Actor::
 211 SetModified()
 212 {
 213   this->myVertexSource->Modified();
 214   this->myIsolatedEdgeSource->Modified();
 215   this->myOneFaceEdgeSource->Modified();
 216   this->mySharedEdgeSource->Modified();
 217   this->myWireframeFaceSource->Modified();
 218   this->myShadingFaceSource->Modified();
 219 }
 220
 221 void
 222 GEOM_Actor::
 223 SetMapper(vtkMapper* theMapper)
 224 {
 225   SALOME_Actor::SetMapper(theMapper);
 226 }
 227
 228 void
 229 GEOM_Actor::
 230 AddToRender(vtkRenderer* theRenderer)
 231 {
 232   //SALOME_Actor::AddToRender(theRenderer);
 233
 234   theRenderer->AddActor(this);
 235
 236   this->myHighlightActor->AddToRender(theRenderer);
 237
 238
 239   myShadingFaceActor->AddToRender(theRenderer);
 240   myWireframeFaceActor->AddToRender(theRenderer);
 241
 242   mySharedEdgeActor->AddToRender(theRenderer);
 243   myOneFaceEdgeActor->AddToRender(theRenderer);
 244   myIsolatedEdgeActor->AddToRender(theRenderer);
 245
 246   myVertexActor->AddToRender(theRenderer);
 247 }
 248
 249 void
 250 GEOM_Actor::
 251 RemoveFromRender(vtkRenderer* theRenderer)
 252 {
 253   //SALOME_Actor::RemoveFromRender(theRenderer);
 254
 255
 256   theRenderer->RemoveActor(this);
 257
 258   myHighlightActor->RemoveFromRender(theRenderer);
 259   myShadingFaceActor->RemoveFromRender(theRenderer);
 260   myWireframeFaceActor->RemoveFromRender(theRenderer);
 261
 262   mySharedEdgeActor->RemoveFromRender(theRenderer);
 263   myOneFaceEdgeActor->RemoveFromRender(theRenderer);
 264   myIsolatedEdgeActor->RemoveFromRender(theRenderer);
 265
 266   myVertexActor->RemoveFromRender(theRenderer);
 267
 268
 269   SetSelected(false);
 270   SetVisibility(false);
 271 }
 272
 273 void
 274 GEOM_Actor::
 275 setDisplayMode(int theMode)
 276 {
 277 #ifdef MYDEBUG
 278   cout << "GEOM_Actor::SetDisplayMode = "<<theMode  <<endl;
 279 #endif
 280   VTKViewer_Actor::setDisplayMode(theMode);
 281   SetVisibility(GetVisibility());
 282 }
 283
 284 void
 285 GEOM_Actor::
 286 SetSelected(bool theIsSelected)
 287 {
 288 #ifdef MYDEBUG
 289   cout << "GEOM_Actor::SetSelected = "<<theIsSelected  <<endl;
 290 #endif
 291
 292   myIsSelected = theIsSelected;
 293   SetVisibility(GetVisibility());
 294 }
 295
 296 void
 297 GEOM_Actor::
 298 SetVisibility(int theVisibility)
 299 {
 300 #ifdef MYDEBUG
 301   cout << "GEOM_Actor::SetVisibility = "<<theVisibility <<"  myIsSelected="<< myIsSelected
 302        << " theVisibility="<<theVisibility<<" myIsPreselected="<<myIsPreselected<<endl;
 303 #endif
 304
 305   SALOME_Actor::SetVisibility(theVisibility);
 306
 307   this->myHighlightActor->SetVisibility(theVisibility && (myIsSelected || myIsPreselected));
 308
 309   myShadingFaceActor->SetVisibility(theVisibility && (myDisplayMode == (int)eShading) && (!myIsSelected || !myIsPreselected));
 310   myWireframeFaceActor->SetVisibility(theVisibility && (myDisplayMode ==(int)eWireframe) && !myIsSelected);
 311
 312   mySharedEdgeActor->SetVisibility(theVisibility && myDisplayMode == (int)eWireframe && !myIsSelected);
 313   myOneFaceEdgeActor->SetVisibility(theVisibility && myDisplayMode == (int)eWireframe && !myIsSelected);
 314   myIsolatedEdgeActor->SetVisibility(theVisibility && !myIsSelected);
 315
 316   myVertexActor->SetVisibility(false);// must be added new mode points
 317 }
 318
 319
 320 void
 321 GEOM_Actor
 322 ::SetNbIsos(const int theNb[2])
 323 {
 324   myNbIsos[0] = theNb[0];
 325   myNbIsos[1] = theNb[1];
 326 }
 327
 328 void
 329 GEOM_Actor
 330 ::GetNbIsos(int &theNbU,int &theNbV)
 331 {
 332   theNbU = myNbIsos[0];
 333   theNbV = myNbIsos[1];
 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   cout << "GEOM_Actor::setDeflection"<<endl;
 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   cout << "GEOM_Actor::SetHighlightProperty"<<endl;
 483 #endif
 484   this->myHighlightActor->GetProperty()->DeepCopy(Prop);
 485
 486 }
 487
 488 void GEOM_Actor::SetWireframeProperty(vtkProperty* Prop)
 489 {
 490 #ifdef MYDEBUG
 491   cout << this << " GEOM_Actor::SetWireframeProperty"<<endl;
 492 #endif
 493   // must be filled
 494   myWireframeFaceActor->SetProperty(Prop);
 495 }
 496
 497 void GEOM_Actor::SetShadingProperty(vtkProperty* Prop)
 498 {
 499 #ifdef MYDEBUG
 500   cout << "GEOM_Actor::SetShadingProperty"<<endl;
 501 #endif
 502   myShadingFaceProp->DeepCopy(Prop);
 503 }
 504
 505
 506 void GEOM_Actor::Render(vtkRenderer *ren, vtkMapper *theMapper)
 507 {
 508 #ifdef MYDEBUG
 509   cout << "GEOM_Actor::Render"<<endl;
 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
 579 void GEOM_Actor::ReleaseGraphicsResources(vtkWindow *)
 580 {
 581 #ifdef MYDEBUG
 582   cout << "GEOM_Actor::ReleaseGraphicsResources"<<endl;
 583 #endif
 584 }
 585
 586
 587
 588 void GEOM_Actor::ShallowCopy(vtkProp *prop)
 589 {
 590 #ifdef MYDEBUG
 591   cout << "GEOM_Actor::ShallowCopy"<<endl;
 592 #endif
 593   GEOM_Actor *f = GEOM_Actor::SafeDownCast(prop);
 594   if ( f != NULL )
 595     {
 596       this->SetShape(f->getTopo(),f->GetDeflection(),f->GetIsRelative());
 597     }
 598
 599   // Now do superclass
 600   this->SALOME_Actor::ShallowCopy(prop);
 601 }
 602
 603 const TopoDS_Shape& GEOM_Actor::getTopo() {
 604 #ifdef MYDEBUG
 605   cout << "GEOM_Actor::getTopo"<<endl;
 606 #endif
 607   return myShape;
 608 }
 609
 610 void GEOM_Actor::setInputShape(const TopoDS_Shape& ashape, double adef1,
 611                                int imode, bool isVector)
 612 {
 613 #ifdef MYDEBUG
 614   cout << "GEOM_Actor::setInputShape"<<endl;
 615 #endif
 616 }
 617
 618 double GEOM_Actor::getDeflection()
 619 {
 620 #ifdef MYDEBUG
 621   cout << "GEOM_Actor::getDeflection"<<endl;
 622 #endif
 623   return (double) GetDeflection();
 624 }
 625
 626
 627 double GEOM_Actor::isVector()
 628 {
 629 #ifdef MYDEBUG
 630   cout << "GEOM_Actor::isVector"<<endl;
 631 #endif
 632   return 0;
 633 }
 634
 635 void GEOM_Actor::SubShapeOn()
 636 {
 637 #ifdef MYDEBUG
 638   cout << "GEOM_Actor::SubShapeOn"<<endl;
 639 #endif
 640 }
 641
 642 void GEOM_Actor::SubShapeOff()
 643 {
 644 #ifdef MYDEBUG
 645   cout << "GEOM_Actor::SubShapeOff"<<endl;
 646 #endif
 647 }
 648
 649 void GEOM_Actor::highlight(bool highlight)
 650 {
 651 #ifdef MYDEBUG
 652   cout << this << " GEOM_Actor::highlight highlight="<<highlight<<endl;
 653 #endif
 654   SALOME_Actor::highlight(highlight);
 655 }
 656
 657 void GEOM_Actor::SetOpacity(vtkFloatingPointType opa)
 658 {
 659   // enk:tested OK
 660   myShadingFaceProp->SetOpacity(opa);
 661   myHighlightProp->SetOpacity(opa);
 662   myPreHighlightProp->SetOpacity(opa);
 663 }
 664
 665 vtkFloatingPointType GEOM_Actor::GetOpacity()
 666 {
 667   // enk:tested OK
 668   return myShadingFaceProp->GetOpacity();
 669 }
 670
 671 void GEOM_Actor::SetColor(vtkFloatingPointType r,vtkFloatingPointType g,vtkFloatingPointType b)
 672 {
 673   // enk:tested OK
 674   myShadingFaceProp->SetColor(r,g,b);
 675 }
 676
 677 void GEOM_Actor::GetColor(vtkFloatingPointType& r,vtkFloatingPointType& g,vtkFloatingPointType& b)
 678 {
 679   // enk:tested OK
 680   vtkFloatingPointType aRGB[3];
 681   myShadingFaceProp->GetColor(aRGB);
 682   r = aRGB[0];
 683   g = aRGB[1];
 684   b = aRGB[2];
 685 }
 686
 687 bool GEOM_Actor::IsInfinite()
 688 {
 689   return (bool)(myShape.Infinite());
 690 }
 691
 692 /*!
 693   To map current selection to VTK representation
 694 */
 695 void
 696 GEOM_Actor
 697 ::Highlight(bool theIsHighlight)
 698 {
 699   myIsSelected = theIsHighlight;
 700 #ifdef MYDEBUG
 701   cout << this << " GEOM_Actor::Highlight myIsSelected="<<myIsSelected<<endl;
 702 #endif
 703
 704   SALOME_Actor::Highlight(theIsHighlight); // this method call ::highlight(theIsHighlight) in the end
 705   SetVisibility(GetVisibility());
 706 }
 707
 708 /*!
 709   To process prehighlight (called from SVTK_InteractorStyle)
 710 */
 711 bool
 712 GEOM_Actor
 713 ::PreHighlight(vtkInteractorStyle *theInteractorStyle,
 714                SVTK_SelectionEvent* theSelectionEvent,
 715                bool theIsHighlight)
 716 {
 717 #ifdef MYDEBUG
 718   cout << this<<" GEOM_Actor::PreHighlight (3) theIsHighlight="<<theIsHighlight<<endl;
 719 #endif
 720
 721   if ( !GetPickable() )
 722     return false;
 723
 724   myPreHighlightActor->SetVisibility( false );
 725   bool anIsPreselected = myIsPreselected;
 726
 727   Selection_Mode aSelectionMode = theSelectionEvent->mySelectionMode;
 728   bool anIsChanged = (mySelectionMode != aSelectionMode);
 729
 730   if( !theIsHighlight ) {
 731     SetPreSelected( false );
 732   }else{
 733     switch(aSelectionMode){
 734     case ActorSelection :
 735     {
 736       if( !mySelector->IsSelected( myIO ) ) {
 737         SetPreSelected( true );
 738       }
 739     }
 740     default:
 741       break;
 742     }
 743   }
 744
 745   mySelectionMode = aSelectionMode;
 746   anIsChanged |= (anIsPreselected != myIsPreselected);
 747
 748   SetVisibility(GetVisibility());
 749   return anIsChanged;
 750 }
 751
 752 /*!
 753   To process highlight (called from SVTK_InteractorStyle)
 754 */
 755 bool
 756 GEOM_Actor
 757 ::Highlight(vtkInteractorStyle *theInteractorStyle,
 758             SVTK_SelectionEvent* theSelectionEvent,
 759             bool theIsHighlight)
 760 {
 761   // define the selection of object
 762 #ifdef MYDEBUG
 763   cout << endl << this << " GEOM_Actor::Highlight (3) myIsSelected="<<myIsSelected<<endl;
 764 #endif
 765   bool aRet = SALOME_Actor::Highlight(theInteractorStyle,theSelectionEvent,theIsHighlight);
 766   SetSelected(theIsHighlight);
 767   if(theIsHighlight)
 768     SetPreSelected(false);
 769
 770
 771   return aRet;
 772 }
 773
 774 // Copy the follower's composite 4x4 matrix into the matrix provided.
 775 void GEOM_Actor::GetMatrix(vtkCamera* theCam, vtkMatrix4x4 *result)
 776 {
 777   double *pos, *vup;
 778   double Rx[3], Ry[3], Rz[3], p1[3];
 779   vtkMatrix4x4 *matrix = vtkMatrix4x4::New();
 780   int i;
 781   double distance;
 782
 783   this->GetOrientation();
 784   this->Transform->Push();
 785   this->Transform->PostMultiply();
 786   this->Transform->Identity();
 787
 788   // apply user defined matrix last if there is one
 789   if (this->UserMatrix)
 790     {
 791     this->Transform->Concatenate(this->UserMatrix);
 792     }
 793
 794   this->Transform->Translate(-this->Origin[0],
 795                              -this->Origin[1],
 796                              -this->Origin[2]);
 797   // scale
 798   this->Transform->Scale(this->Scale[0],
 799                          this->Scale[1],
 800                          this->Scale[2]);
 801
 802   // rotate
 803   this->Transform->RotateY(this->Orientation[1]);
 804   this->Transform->RotateX(this->Orientation[0]);
 805   this->Transform->RotateZ(this->Orientation[2]);
 806
 807   if (theCam)
 808     {
 809     // do the rotation
 810     // first rotate y
 811     pos = theCam->GetPosition();
 812     vup = theCam->GetViewUp();
 813
 814     if (theCam->GetParallelProjection())
 815       {
 816       theCam->GetDirectionOfProjection(Rz);
 817       }
 818     else
 819       {
 820       distance = sqrt(
 821         (pos[0] - this->Position[0])*(pos[0] - this->Position[0]) +
 822         (pos[1] - this->Position[1])*(pos[1] - this->Position[1]) +
 823         (pos[2] - this->Position[2])*(pos[2] - this->Position[2]));
 824       for (i = 0; i < 3; i++)
 825         {
 826         Rz[i] = (pos[i] - this->Position[i])/distance;
 827         }
 828       }
 829
 830     vtkMath::Cross(vup,Rz,Rx);
 831     vtkMath::Normalize(Rx);
 832     vtkMath::Cross(Rz,Rx,Ry);
 833
 834     matrix->Element[0][0] = Rx[0];
 835     matrix->Element[1][0] = Rx[1];
 836     matrix->Element[2][0] = Rx[2];
 837     matrix->Element[0][1] = Ry[0];
 838     matrix->Element[1][1] = Ry[1];
 839     matrix->Element[2][1] = Ry[2];
 840     matrix->Element[0][2] = Rz[0];
 841     matrix->Element[1][2] = Rz[1];
 842     matrix->Element[2][2] = Rz[2];
 843
 844     this->Transform->Concatenate(matrix);
 845     }
 846
 847   // translate to projection reference point PRP
 848   // this is the camera's position blasted through
 849   // the current matrix
 850   p1[0] = this->Origin[0] + this->Position[0];
 851   p1[1] = this->Origin[1] + this->Position[1];
 852   p1[2] = this->Origin[2] + this->Position[2];
 853
 854   this->Transform->Translate(p1[0],p1[1],p1[2]);
 855   this->Transform->GetMatrix(result);
 856
 857   matrix->Delete();
 858   this->Transform->Pop();
 859 }