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   isOnlyVertex(false)
 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   myHighlightProp->SetPointSize(SALOME_POINT_SIZE);
 123   myHighlightActor->SetProperty(myHighlightProp.GetPointer());
 124
 125   this->myHighlightActor->SetInput(myAppendFilter->GetOutput(),false);
 126
 127   myPreHighlightProp->SetColor(0,1,1);
 128   myPreHighlightProp->SetPointSize(SALOME_POINT_SIZE+2);
 129   myPreHighlightProp->SetLineWidth(SALOME_LINE_WIDTH+1);
 130   myPreHighlightProp->SetRepresentationToWireframe();
 131
 132   myAppendFilter->AddInput(myVertexSource->GetOutput());
 133   myVertexActor->SetInput(myVertexSource->GetOutput(),false);
 134   aProperty = myVertexActor->GetProperty();
 135   aProperty->SetRepresentation(VTK_POINTS);
 136   aProperty->SetPointSize(3);
 137   aProperty->SetColor(1, 1, 0);
 138
 139   myAppendFilter->AddInput(myIsolatedEdgeSource->GetOutput());
 140   myIsolatedEdgeActor->SetInput(myIsolatedEdgeSource->GetOutput(),false);
 141   aProperty = myIsolatedEdgeActor->GetProperty();
 142   aProperty->SetRepresentation(VTK_WIREFRAME);
 143   aProperty->SetColor(1, 0, 0);
 144
 145   myAppendFilter->AddInput(myOneFaceEdgeSource->GetOutput());
 146   myOneFaceEdgeActor->SetInput(myOneFaceEdgeSource->GetOutput(),false);
 147   aProperty = myOneFaceEdgeActor->GetProperty();
 148   aProperty->SetRepresentation(VTK_WIREFRAME);
 149   aProperty->SetColor(0, 1, 0);
 150
 151   myAppendFilter->AddInput(mySharedEdgeSource->GetOutput());
 152   mySharedEdgeActor->SetInput(mySharedEdgeSource->GetOutput(),false);
 153   aProperty = mySharedEdgeActor->GetProperty();
 154   aProperty->SetRepresentation(VTK_WIREFRAME);
 155   aProperty->SetColor(1, 1, 0);
 156
 157   myAppendFilter->AddInput(myWireframeFaceSource->GetOutput());
 158   myWireframeFaceActor->SetInput(myWireframeFaceSource->GetOutput(),false);
 159   aProperty = myWireframeFaceActor->GetProperty();
 160   aProperty->SetRepresentation(VTK_WIREFRAME);
 161   aProperty->SetColor(0.5, 0.5, 0.5);
 162
 163   myShadingFaceActor->SetInput(myShadingFaceSource->GetOutput(),true);
 164
 165   myShadingFaceProp->SetRepresentation(VTK_SURFACE);
 166   myShadingFaceProp->SetInterpolationToGouraud();
 167   myShadingFaceProp->SetAmbient(1.0);
 168   myShadingFaceProp->SetDiffuse(1.0);
 169   myShadingFaceProp->SetSpecular(0.4);
 170   myShadingFaceProp->SetAmbientColor(0.329412, 0.223529, 0.027451);
 171   myShadingFaceProp->SetDiffuseColor(0.780392, 0.568627, 0.113725);
 172   myShadingFaceProp->SetSpecularColor(0.992157, 0.941176, 0.807843);
 173
 174   myShadingFaceActor->SetProperty(myShadingFaceProp.GetPointer());
 175
 176   // Toggle display mode
 177   setDisplayMode(0); // WIRE FRAME
 178
 179 }
 180
 181
 182 GEOM_Actor::~GEOM_Actor()
 183 {
 184 #ifdef MYDEBUG
 185   MESSAGE (this<< " ~GEOM_Actor::GEOM_Actor");
 186 #endif
 187   myHighlightProp->Delete();
 188   myPreHighlightProp->Delete();
 189   myShadingFaceProp->Delete();
 190 }
 191
 192 GEOM_Actor*
 193 GEOM_Actor::
 194 New()
 195 {
 196   GEOM_Actor* anObject = new GEOM_Actor();
 197   anObject->SetMapper(anObject->myPolyDataMapper.Get());
 198   return anObject;
 199 }
 200
 201
 202 void Write(vtkPolyData* theDataSet, const char* theFileName){
 203   vtkPolyDataWriter* aWriter = vtkPolyDataWriter::New();
 204   MESSAGE ("Write - "<<theFileName<<"' : "<<theDataSet->GetNumberOfPoints()<<"; "<<theDataSet->GetNumberOfCells());
 205   aWriter->SetInput(theDataSet);
 206   aWriter->SetFileName(theFileName);
 207   //aWriter->Write();
 208   aWriter->Delete();
 209 }
 210
 211 void
 212 GEOM_Actor::
 213 SetModified()
 214 {
 215   this->myVertexSource->Modified();
 216   this->myIsolatedEdgeSource->Modified();
 217   this->myOneFaceEdgeSource->Modified();
 218   this->mySharedEdgeSource->Modified();
 219   this->myWireframeFaceSource->Modified();
 220   this->myShadingFaceSource->Modified();
 221 }
 222
 223 void
 224 GEOM_Actor::
 225 SetMapper(vtkMapper* theMapper)
 226 {
 227   SALOME_Actor::SetMapper(theMapper);
 228 }
 229
 230 void
 231 GEOM_Actor::
 232 AddToRender(vtkRenderer* theRenderer)
 233 {
 234   //SALOME_Actor::AddToRender(theRenderer);
 235
 236   theRenderer->AddActor(this);
 237
 238   this->myHighlightActor->AddToRender(theRenderer);
 239
 240
 241   myShadingFaceActor->AddToRender(theRenderer);
 242   myWireframeFaceActor->AddToRender(theRenderer);
 243
 244   mySharedEdgeActor->AddToRender(theRenderer);
 245   myOneFaceEdgeActor->AddToRender(theRenderer);
 246   myIsolatedEdgeActor->AddToRender(theRenderer);
 247
 248   myVertexActor->AddToRender(theRenderer);
 249 }
 250
 251 void
 252 GEOM_Actor::
 253 RemoveFromRender(vtkRenderer* theRenderer)
 254 {
 255   //SALOME_Actor::RemoveFromRender(theRenderer);
 256
 257
 258   theRenderer->RemoveActor(this);
 259
 260   myHighlightActor->RemoveFromRender(theRenderer);
 261   myShadingFaceActor->RemoveFromRender(theRenderer);
 262   myWireframeFaceActor->RemoveFromRender(theRenderer);
 263
 264   mySharedEdgeActor->RemoveFromRender(theRenderer);
 265   myOneFaceEdgeActor->RemoveFromRender(theRenderer);
 266   myIsolatedEdgeActor->RemoveFromRender(theRenderer);
 267
 268   myVertexActor->RemoveFromRender(theRenderer);
 269
 270
 271   SetSelected(false);
 272   SetVisibility(false);
 273 }
 274
 275 void
 276 GEOM_Actor::
 277 setDisplayMode(int theMode)
 278 {
 279 #ifdef MYDEBUG
 280   MESSAGE ( "GEOM_Actor::SetDisplayMode = "<<theMode );
 281 #endif
 282   VTKViewer_Actor::setDisplayMode(theMode);
 283   SetVisibility(GetVisibility());
 284 }
 285
 286 void
 287 GEOM_Actor::
 288 SetSelected(bool theIsSelected)
 289 {
 290 #ifdef MYDEBUG
 291   MESSAGE ( "GEOM_Actor::SetSelected = "<<theIsSelected  );
 292 #endif
 293
 294   myIsSelected = theIsSelected;
 295   SetVisibility(GetVisibility());
 296 }
 297
 298 void
 299 GEOM_Actor::
 300 SetVisibility(int theVisibility)
 301 {
 302 #ifdef MYDEBUG
 303   MESSAGE ( "GEOM_Actor::SetVisibility = "<<theVisibility <<"  myIsSelected="<< myIsSelected
 304          << " theVisibility="<<theVisibility<<" myIsPreselected="<<myIsPreselected );
 305 #endif
 306
 307   SALOME_Actor::SetVisibility(theVisibility);
 308
 309   this->myHighlightActor->SetVisibility(theVisibility && (myIsSelected || myIsPreselected));
 310
 311   myShadingFaceActor->SetVisibility(theVisibility && (myDisplayMode == (int)eShading) && (!myIsSelected || !myIsPreselected));
 312   myWireframeFaceActor->SetVisibility(theVisibility && (myDisplayMode ==(int)eWireframe) && !myIsSelected);
 313
 314   mySharedEdgeActor->SetVisibility(theVisibility && myDisplayMode == (int)eWireframe && !myIsSelected);
 315   myOneFaceEdgeActor->SetVisibility(theVisibility && myDisplayMode == (int)eWireframe && !myIsSelected);
 316   myIsolatedEdgeActor->SetVisibility(theVisibility && !myIsSelected);
 317
 318   myVertexActor->SetVisibility(theVisibility && !myIsSelected);
 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   isOnlyVertex =
 405     myIsolatedEdgeSource->IsEmpty() &&
 406     myOneFaceEdgeSource->IsEmpty() &&
 407     mySharedEdgeSource->IsEmpty() &&
 408     myWireframeFaceSource->IsEmpty() &&
 409     myShadingFaceSource->IsEmpty();
 410
 411
 412   if((bool)myShape.Infinite() || isOnlyVertex ){
 413     myVertexActor->GetDeviceActor()->SetInfinitive(true);
 414     myHighlightActor->GetDeviceActor()->SetInfinitive(true);
 415   }
 416 }
 417
 418 void GEOM_Actor::SetShape (const TopoDS_Shape& theShape,
 419                            const TopTools_IndexedDataMapOfShapeListOfShape& theEdgeMap,
 420                            bool theIsVector)
 421 {
 422   if (theShape.ShapeType() == TopAbs_COMPOUND) {
 423     TopoDS_Iterator anItr(theShape);
 424     for (; anItr.More(); anItr.Next()) {
 425       SetShape(anItr.Value(),theEdgeMap,theIsVector);
 426     }
 427   }
 428
 429   switch (theShape.ShapeType()) {
 430     case TopAbs_WIRE: {
 431       TopExp_Explorer anEdgeExp(theShape,TopAbs_EDGE);
 432       for (; anEdgeExp.More(); anEdgeExp.Next()){
 433         const TopoDS_Edge& anEdge = TopoDS::Edge(anEdgeExp.Current());
 434         if (!BRep_Tool::Degenerated(anEdge))
 435           myIsolatedEdgeSource->AddEdge(anEdge,theIsVector);
 436       }
 437       break;
 438     }
 439     case TopAbs_EDGE: {
 440       const TopoDS_Edge& anEdge = TopoDS::Edge(theShape);
 441       if (!BRep_Tool::Degenerated(anEdge))
 442         myIsolatedEdgeSource->AddEdge(anEdge,theIsVector);
 443       break;
 444     }
 445     case TopAbs_VERTEX: {
 446       break;
 447     }
 448     default: {
 449       TopExp_Explorer aFaceExp (theShape,TopAbs_FACE);
 450       for(; aFaceExp.More(); aFaceExp.Next()) {
 451         const TopoDS_Face& aFace = TopoDS::Face(aFaceExp.Current());
 452         myWireframeFaceSource->AddFace(aFace);
 453         myShadingFaceSource->AddFace(aFace);
 454         TopExp_Explorer anEdgeExp(aFaceExp.Current(), TopAbs_EDGE);
 455         for(; anEdgeExp.More(); anEdgeExp.Next()) {
 456           const TopoDS_Edge& anEdge = TopoDS::Edge(anEdgeExp.Current());
 457           if(!BRep_Tool::Degenerated(anEdge)){
 458             // compute the number of faces
 459             int aNbOfFaces = theEdgeMap.FindFromKey(anEdge).Extent();
 460             switch(aNbOfFaces){
 461             case 0:  // isolated edge
 462               myIsolatedEdgeSource->AddEdge(anEdge,theIsVector);
 463               break;
 464             case 1:  // edge in only one face
 465               myOneFaceEdgeSource->AddEdge(anEdge,theIsVector);
 466               break;
 467             default: // edge shared by at least two faces
 468               mySharedEdgeSource->AddEdge(anEdge,theIsVector);
 469             }
 470           }
 471         }
 472       }
 473     }
 474   }
 475 }
 476
 477 // OLD METHODS
 478 void GEOM_Actor::setDeflection(double adef) {
 479 #ifdef MYDEBUG
 480   MESSAGE ( "GEOM_Actor::setDeflection" );
 481 #endif
 482   SetDeflection((float)adef,GetIsRelative());
 483 }
 484
 485
 486 // warning! must be checked!
 487 // SetHighlightProperty
 488 // SetWireframeProperty
 489 // SetShadingProperty
 490
 491 void GEOM_Actor::SetHighlightProperty(vtkProperty* Prop)
 492 {
 493 #ifdef MYDEBUG
 494   MESSAGE ( "GEOM_Actor::SetHighlightProperty" );
 495 #endif
 496   this->myHighlightActor->GetProperty()->DeepCopy(Prop);
 497
 498 }
 499
 500 void GEOM_Actor::SetWireframeProperty(vtkProperty* Prop)
 501 {
 502 #ifdef MYDEBUG
 503   MESSAGE ( this << " GEOM_Actor::SetWireframeProperty" );
 504 #endif
 505   // must be filled
 506   myWireframeFaceActor->SetProperty(Prop);
 507 }
 508
 509 void GEOM_Actor::SetShadingProperty(vtkProperty* Prop)
 510 {
 511 #ifdef MYDEBUG
 512   MESSAGE ( "GEOM_Actor::SetShadingProperty" );
 513 #endif
 514   myShadingFaceProp->DeepCopy(Prop);
 515 }
 516
 517
 518 void GEOM_Actor::Render(vtkRenderer *ren, vtkMapper *theMapper)
 519 {
 520 #ifdef MYDEBUG
 521   MESSAGE ( "GEOM_Actor::Render" );
 522 #endif
 523
 524   if(!GetVisibility())
 525     return;
 526
 527   /* render the property */
 528   if (!this->Property) {
 529     // force creation of a property
 530     this->GetProperty();
 531     this->Property->SetInterpolation(1);
 532     this->Property->SetRepresentationToSurface();
 533     this->Property->SetAmbient(0.3);
 534     this->Property->SetAmbientColor(0.88,0.86,0.2);
 535     this->Property->SetDiffuseColor(0.99,0.7,0.21);
 536     this->Property->SetSpecularColor(0.99,0.98,0.83);
 537   }
 538
 539   switch(myDisplayMode){
 540   case 0://wireframe
 541     myPreHighlightProp->SetRepresentationToWireframe();
 542     myHighlightProp->SetRepresentationToWireframe();
 543     break;
 544   case 1://shading
 545     myPreHighlightProp->SetRepresentationToSurface();
 546     myHighlightProp->SetRepresentationToSurface();
 547     break;
 548   }
 549
 550   if(!myIsSelected){
 551     if(myIsPreselected){
 552       this->myHighlightActor->SetProperty(myPreHighlightProp.GetPointer());
 553       myShadingFaceActor->SetProperty(myPreHighlightProp.GetPointer());
 554     } else {
 555       this->myHighlightActor->SetProperty(myShadingFaceProp.GetPointer());
 556       myShadingFaceActor->SetProperty(myShadingFaceProp.GetPointer());
 557     }
 558   }
 559   else{
 560     this->myHighlightActor->SetProperty(myHighlightProp.GetPointer());
 561     myShadingFaceActor->SetProperty(myHighlightProp.GetPointer());
 562   }
 563
 564   this->Property->Render(this, ren);
 565   if (this->BackfaceProperty) {
 566     this->BackfaceProperty->BackfaceRender(this, ren);
 567     this->Device->SetBackfaceProperty(this->BackfaceProperty);
 568   }
 569   this->Device->SetProperty(this->Property);
 570   /*  if(myShape.ShapeType() == TopAbs_VERTEX) {
 571     if(ren){
 572       //The parameter determine size of vertex actor relate to diagonal of RendererWindow
 573       static vtkFloatingPointType delta = 0.01;
 574       vtkFloatingPointType X1 = -1, Y1 = -1, Z1 = 0;
 575       ren->ViewToWorld(X1,Y1,Z1);
 576       vtkFloatingPointType X2 = +1, Y2 = +1, Z2 = 0;
 577       ren->ViewToWorld(X2,Y2,Z2);
 578       Z2 = sqrt((X2-X1)*(X2-X1) + (Y2-Y1)*(Y2-Y1) + (Z2-Z1)*(Z2-Z1));
 579       this->SetScale(Z2*delta);
 580     }
 581     vtkMatrix4x4 *aMatrix = vtkMatrix4x4::New();
 582     this->GetMatrix(ren->GetActiveCamera(), aMatrix);
 583     this->Device->SetUserMatrix(aMatrix);
 584     this->Device->Render(ren,theMapper);
 585     aMatrix->Delete();
 586     } else*/
 587   this->Device->Render(ren, theMapper);
 588 }
 589
 590 void GEOM_Actor::ReleaseGraphicsResources(vtkWindow *)
 591 {
 592 #ifdef MYDEBUG
 593   MESSAGE ( "GEOM_Actor::ReleaseGraphicsResources" );
 594 #endif
 595 }
 596
 597
 598
 599 void GEOM_Actor::ShallowCopy(vtkProp *prop)
 600 {
 601 #ifdef MYDEBUG
 602   MESSAGE ( "GEOM_Actor::ShallowCopy" );
 603 #endif
 604   GEOM_Actor *f = GEOM_Actor::SafeDownCast(prop);
 605   if ( f != NULL )
 606     {
 607       this->SetShape(f->getTopo(),f->GetDeflection(),f->GetIsRelative());
 608     }
 609
 610   // Now do superclass
 611   this->SALOME_Actor::ShallowCopy(prop);
 612 }
 613
 614 const TopoDS_Shape& GEOM_Actor::getTopo() {
 615 #ifdef MYDEBUG
 616   MESSAGE ( "GEOM_Actor::getTopo" );
 617 #endif
 618   return myShape;
 619 }
 620
 621 void GEOM_Actor::setInputShape(const TopoDS_Shape& ashape, double adef1,
 622                                int imode, bool isVector)
 623 {
 624 #ifdef MYDEBUG
 625   MESSAGE ( "GEOM_Actor::setInputShape" );
 626 #endif
 627 }
 628
 629 double GEOM_Actor::getDeflection()
 630 {
 631 #ifdef MYDEBUG
 632   MESSAGE ( "GEOM_Actor::getDeflection" );
 633 #endif
 634   return (double) GetDeflection();
 635 }
 636
 637
 638 double GEOM_Actor::isVector()
 639 {
 640 #ifdef MYDEBUG
 641   MESSAGE ( "GEOM_Actor::isVector" );
 642 #endif
 643   return 0;
 644 }
 645
 646 void GEOM_Actor::SubShapeOn()
 647 {
 648 #ifdef MYDEBUG
 649   MESSAGE ( "GEOM_Actor::SubShapeOn" );
 650 #endif
 651 }
 652
 653 void GEOM_Actor::SubShapeOff()
 654 {
 655 #ifdef MYDEBUG
 656   MESSAGE ( "GEOM_Actor::SubShapeOff" );
 657 #endif
 658 }
 659
 660 void GEOM_Actor::highlight(bool highlight)
 661 {
 662 #ifdef MYDEBUG
 663   MESSAGE ( this << " GEOM_Actor::highlight highlight="<<highlight );
 664 #endif
 665   SALOME_Actor::highlight(highlight);
 666 }
 667
 668 void GEOM_Actor::SetOpacity(vtkFloatingPointType opa)
 669 {
 670   // enk:tested OK
 671   myShadingFaceProp->SetOpacity(opa);
 672   myHighlightProp->SetOpacity(opa);
 673   myPreHighlightProp->SetOpacity(opa);
 674   myVertexActor->GetProperty()->SetOpacity(opa);
 675 }
 676
 677 vtkFloatingPointType GEOM_Actor::GetOpacity()
 678 {
 679   // enk:tested OK
 680   return myShadingFaceProp->GetOpacity();
 681 }
 682
 683 void GEOM_Actor::SetColor(vtkFloatingPointType r,vtkFloatingPointType g,vtkFloatingPointType b)
 684 {
 685   // enk:tested OK
 686   myShadingFaceProp->SetColor(r,g,b);                          // shading color (Shading)
 687   myIsolatedEdgeActor->GetProperty()->SetColor(r,g,b);         // standalone edge color (Wireframe)
 688   myVertexActor->GetProperty()->SetColor(r,g,b);               // vertex actor (Shading/Wireframe)
 689   myOneFaceEdgeActor->GetProperty()->SetColor(r,g,b);          // standalone face edge color (Wireframe)
 690   mySharedEdgeActor->GetProperty()->SetColor(r,g,b);           // share edge color (Wireframe)
 691 }
 692
 693 void GEOM_Actor::GetColor(vtkFloatingPointType& r,vtkFloatingPointType& g,vtkFloatingPointType& b)
 694 {
 695   // enk:tested OK
 696   vtkFloatingPointType aRGB[3];
 697   myShadingFaceProp->GetColor(aRGB);
 698   r = aRGB[0];
 699   g = aRGB[1];
 700   b = aRGB[2];
 701 }
 702
 703 bool GEOM_Actor::IsInfinitive()
 704 {
 705   return ((bool)myShape.Infinite() || isOnlyVertex);
 706 }
 707
 708 /*!
 709   To map current selection to VTK representation
 710 */
 711 void
 712 GEOM_Actor
 713 ::Highlight(bool theIsHighlight)
 714 {
 715   myIsSelected = theIsHighlight;
 716 #ifdef MYDEBUG
 717   MESSAGE ( this << " GEOM_Actor::Highlight myIsSelected="<<myIsSelected );
 718 #endif
 719
 720   SALOME_Actor::Highlight(theIsHighlight); // this method call ::highlight(theIsHighlight) in the end
 721   SetVisibility(GetVisibility());
 722 }
 723
 724 /*!
 725   To process prehighlight (called from SVTK_InteractorStyle)
 726 */
 727 bool
 728 GEOM_Actor
 729 ::PreHighlight(vtkInteractorStyle *theInteractorStyle,
 730                SVTK_SelectionEvent* theSelectionEvent,
 731                bool theIsHighlight)
 732 {
 733 #ifdef MYDEBUG
 734   MESSAGE ( this<<" GEOM_Actor::PreHighlight (3) theIsHighlight="<<theIsHighlight );
 735 #endif
 736
 737   if ( !GetPickable() )
 738     return false;
 739
 740   myPreHighlightActor->SetVisibility( false );
 741   bool anIsPreselected = myIsPreselected;
 742
 743   Selection_Mode aSelectionMode = theSelectionEvent->mySelectionMode;
 744   bool anIsChanged = (mySelectionMode != aSelectionMode);
 745
 746   if( !theIsHighlight ) {
 747     SetPreSelected( false );
 748   }else{
 749     switch(aSelectionMode){
 750     case ActorSelection :
 751     {
 752       if( !mySelector->IsSelected( myIO ) ) {
 753         SetPreSelected( true );
 754       }
 755     }
 756     default:
 757       break;
 758     }
 759   }
 760
 761   mySelectionMode = aSelectionMode;
 762   anIsChanged |= (anIsPreselected != myIsPreselected);
 763
 764   SetVisibility(GetVisibility());
 765   return anIsChanged;
 766 }
 767
 768 /*!
 769   To process highlight (called from SVTK_InteractorStyle)
 770 */
 771 bool
 772 GEOM_Actor
 773 ::Highlight(vtkInteractorStyle *theInteractorStyle,
 774             SVTK_SelectionEvent* theSelectionEvent,
 775             bool theIsHighlight)
 776 {
 777   // define the selection of object
 778 #ifdef MYDEBUG
 779   MESSAGE ( std::endl << this << " GEOM_Actor::Highlight (3) myIsSelected="<<myIsSelected );
 780 #endif
 781   bool aRet = SALOME_Actor::Highlight(theInteractorStyle,theSelectionEvent,theIsHighlight);
 782   SetSelected(theIsHighlight);
 783   if(theIsHighlight)
 784     SetPreSelected(false);
 785
 786
 787   return aRet;
 788 }
 789
 790 // Copy the follower's composite 4x4 matrix into the matrix provided.
 791 void GEOM_Actor::GetMatrix(vtkCamera* theCam, vtkMatrix4x4 *result)
 792 {
 793   double *pos, *vup;
 794   double Rx[3], Ry[3], Rz[3], p1[3];
 795   vtkMatrix4x4 *matrix = vtkMatrix4x4::New();
 796   int i;
 797   double distance;
 798
 799   this->GetOrientation();
 800   this->Transform->Push();
 801   this->Transform->PostMultiply();
 802   this->Transform->Identity();
 803
 804   // apply user defined matrix last if there is one
 805   if (this->UserMatrix)
 806     {
 807     this->Transform->Concatenate(this->UserMatrix);
 808     }
 809
 810   this->Transform->Translate(-this->Origin[0],
 811                              -this->Origin[1],
 812                              -this->Origin[2]);
 813   // scale
 814   this->Transform->Scale(this->Scale[0],
 815                          this->Scale[1],
 816                          this->Scale[2]);
 817
 818   // rotate
 819   this->Transform->RotateY(this->Orientation[1]);
 820   this->Transform->RotateX(this->Orientation[0]);
 821   this->Transform->RotateZ(this->Orientation[2]);
 822
 823   if (theCam)
 824     {
 825     // do the rotation
 826     // first rotate y
 827     pos = theCam->GetPosition();
 828     vup = theCam->GetViewUp();
 829
 830     if (theCam->GetParallelProjection())
 831       {
 832       theCam->GetDirectionOfProjection(Rz);
 833       }
 834     else
 835       {
 836       distance = sqrt(
 837         (pos[0] - this->Position[0])*(pos[0] - this->Position[0]) +
 838         (pos[1] - this->Position[1])*(pos[1] - this->Position[1]) +
 839         (pos[2] - this->Position[2])*(pos[2] - this->Position[2]));
 840       for (i = 0; i < 3; i++)
 841         {
 842         Rz[i] = (pos[i] - this->Position[i])/distance;
 843         }
 844       }
 845
 846     vtkMath::Cross(vup,Rz,Rx);
 847     vtkMath::Normalize(Rx);
 848     vtkMath::Cross(Rz,Rx,Ry);
 849
 850     matrix->Element[0][0] = Rx[0];
 851     matrix->Element[1][0] = Rx[1];
 852     matrix->Element[2][0] = Rx[2];
 853     matrix->Element[0][1] = Ry[0];
 854     matrix->Element[1][1] = Ry[1];
 855     matrix->Element[2][1] = Ry[2];
 856     matrix->Element[0][2] = Rz[0];
 857     matrix->Element[1][2] = Rz[1];
 858     matrix->Element[2][2] = Rz[2];
 859
 860     this->Transform->Concatenate(matrix);
 861     }
 862
 863   // translate to projection reference point PRP
 864   // this is the camera's position blasted through
 865   // the current matrix
 866   p1[0] = this->Origin[0] + this->Position[0];
 867   p1[1] = this->Origin[1] + this->Position[1];
 868   p1[2] = this->Origin[2] + this->Position[2];
 869
 870   this->Transform->Translate(p1[0],p1[1],p1[2]);
 871   this->Transform->GetMatrix(result);
 872
 873   matrix->Delete();
 874   this->Transform->Pop();
 875 }