src/OBJECT/GEOM_Actor.cxx

   1 // Copyright (C) 2007-2014  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, or (at your option) any later version.
  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 //  GEOM OBJECT : interactive object for Geometry entities visualization
  24 //  File   : GEOM_Actor.cxx
  25 //  Author : Christophe ATTANASIO
  26 //  Module : GEOM
  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 "GEOM_PainterPolyDataMapper.h"
  40 #include "SVTK_Actor.h"
  41
  42 #include <OCC2VTK_Tools.h>
  43
  44 #include <vtkObjectFactory.h>
  45 #include <vtkRenderer.h>
  46 #include <vtkProperty.h>
  47 #include <vtkPointPicker.h>
  48 #include <vtkCellPicker.h>
  49
  50 #include <TopAbs_ShapeEnum.hxx>
  51 #include <TopExp_Explorer.hxx>
  52 #include <TopoDS.hxx>
  53 #include <BRep_Tool.hxx>
  54 #include <TopExp.hxx>
  55
  56 #include <vtkPolyDataWriter.h>
  57
  58 #include <vtkAppendPolyData.h>
  59 #include <vtkPolyDataMapper.h>
  60 #include <vtkPolyData.h>
  61 #include <vtkTransform.h>
  62 #include <vtkMatrix4x4.h>
  63 #include <vtkMath.h>
  64 #include <vtkCamera.h>
  65
  66 #include "utilities.h"
  67
  68 #include "SALOME_InteractiveObject.hxx"
  69
  70 //vtkStandardNewMacro(GEOM_Actor);
  71
  72 #ifndef MYDEBUG
  73 //#define MYDEBUG
  74 #endif
  75
  76 GEOM_Actor::GEOM_Actor():
  77   isOnlyVertex(false),
  78
  79   myDeflection(-1),
  80   myIsForced(false),
  81
  82   //  myDisplayMode(eWireframe),
  83   myIsSelected(false),
  84   myVectorMode(false),
  85   myVerticesMode(false),
  86
  87   myVertexActor(GEOM_DeviceActor::New(),true),
  88   myVertexSource(GEOM_VertexSource::New(),true),
  89
  90   myIsolatedEdgeActor(GEOM_DeviceActor::New(),true),
  91   myIsolatedEdgeSource(GEOM_EdgeSource::New(),true),
  92
  93   myOneFaceEdgeActor(GEOM_DeviceActor::New(),true),
  94   myOneFaceEdgeSource(GEOM_EdgeSource::New(),true),
  95
  96   mySharedEdgeActor(GEOM_DeviceActor::New(),true),
  97   mySharedEdgeSource(GEOM_EdgeSource::New(),true),
  98
  99   myWireframeFaceActor(GEOM_DeviceActor::New(),true),
 100   myWireframeFaceSource(GEOM_WireframeFace::New(),true),
 101
 102   myShadingFaceActor(GEOM_DeviceActor::New(),true),
 103   myShadingFaceSource(GEOM_ShadingFace::New(),true),
 104
 105   myHighlightActor(GEOM_DeviceActor::New(),true),
 106   myAppendFilter(vtkAppendPolyData::New(),true),
 107   // Use mapper as an instance of GEOM_PainterPolyDataMapper class
 108   // to prevent drawing of mappers' content (due to an empty definition
 109   // of GEOM_PainterPolyDataMapper::RenderPiece(...)).
 110   // !!! Presentation of GEOM_Actor is drawing only with help of actors
 111   // defined in this class !!!
 112   myPolyDataMapper(GEOM_PainterPolyDataMapper::New(),true),
 113
 114   myHighlightProp(vtkProperty::New()),
 115   myPreHighlightProp(vtkProperty::New()),
 116   myShadingFaceProp(vtkProperty::New()),
 117   myShadingBackFaceProp(vtkProperty::New())
 118 {
 119 #ifdef MYDEBUG
 120   MESSAGE (this<< " GEOM_Actor::GEOM_Actor");
 121 #endif
 122
 123   myPolyDataMapper->SetInputConnection(myAppendFilter->GetOutputPort());
 124   vtkProperty* aProperty;
 125
 126   myHighlightProp->SetAmbient(0.5);
 127   myHighlightProp->SetDiffuse(0.3);
 128   myHighlightProp->SetSpecular(0.2);
 129   myHighlightProp->SetRepresentationToSurface();
 130   myHighlightProp->SetAmbientColor(1, 1, 1);
 131   myHighlightProp->SetDiffuseColor(1, 1, 1);
 132   myHighlightProp->SetSpecularColor(0.5, 0.5, 0.5);
 133   myHighlightProp->SetPointSize(0);
 134   myHighlightActor->SetProperty(myHighlightProp.GetPointer());
 135
 136   this->myHighlightActor->SetInput(myAppendFilter->GetOutputPort(),false);
 137
 138   myPreHighlightProp->SetColor(0,1,1);
 139   myPreHighlightProp->SetPointSize(0);
 140   myPreHighlightProp->SetLineWidth(SALOME_LINE_WIDTH+1);
 141   myPreHighlightProp->SetRepresentationToWireframe();
 142
 143   myAppendFilter->AddInputConnection(myVertexSource->GetOutputPort());
 144   myVertexActor->SetInput(myVertexSource->GetOutputPort(),false);
 145   aProperty = myVertexActor->GetProperty();
 146   aProperty->SetRepresentation(VTK_POINTS);
 147   aProperty->SetPointSize(3);
 148   aProperty->SetColor(1, 1, 0);
 149
 150   myAppendFilter->AddInputConnection(myIsolatedEdgeSource->GetOutputPort());
 151   myIsolatedEdgeActor->SetInput(myIsolatedEdgeSource->GetOutputPort(),false);
 152   aProperty = myIsolatedEdgeActor->GetProperty();
 153   aProperty->SetRepresentation(VTK_WIREFRAME);
 154   myIsolatedEdgeColor[0] = 1; myIsolatedEdgeColor[1] = 0; myIsolatedEdgeColor[2] = 0;
 155   aProperty->SetColor(myIsolatedEdgeColor[0], myIsolatedEdgeColor[1], myIsolatedEdgeColor[2]);
 156
 157   myAppendFilter->AddInputConnection(myOneFaceEdgeSource->GetOutputPort());
 158   myOneFaceEdgeActor->SetInput(myOneFaceEdgeSource->GetOutputPort(),false);
 159   aProperty = myOneFaceEdgeActor->GetProperty();
 160   aProperty->SetRepresentation(VTK_WIREFRAME);
 161   myOneFaceEdgeColor[0] = 0; myOneFaceEdgeColor[1] = 1; myOneFaceEdgeColor[2] = 0;
 162   aProperty->SetColor(myOneFaceEdgeColor[0], myOneFaceEdgeColor[1], myOneFaceEdgeColor[2]);
 163
 164   myAppendFilter->AddInputConnection(mySharedEdgeSource->GetOutputPort());
 165   mySharedEdgeActor->SetInput(mySharedEdgeSource->GetOutputPort(),false);
 166   aProperty = mySharedEdgeActor->GetProperty();
 167   aProperty->SetRepresentation(VTK_WIREFRAME);
 168   mySharedEdgeColor[0] = 1; mySharedEdgeColor[1] = 1; mySharedEdgeColor[2] = 0;
 169   aProperty->SetColor(mySharedEdgeColor[0], mySharedEdgeColor[1], mySharedEdgeColor[2]);
 170
 171   myAppendFilter->AddInputConnection(myWireframeFaceSource->GetOutputPort());
 172   myWireframeFaceActor->SetInput(myWireframeFaceSource->GetOutputPort(),false);
 173   aProperty = myWireframeFaceActor->GetProperty();
 174   aProperty->SetRepresentation(VTK_WIREFRAME);
 175   aProperty->SetColor(0.5, 0.5, 0.5);
 176
 177   myShadingFaceActor->SetInput(myShadingFaceSource->GetOutputPort(),true);
 178
 179   myShadingFaceProp->SetRepresentation(VTKViewer::Representation::Surface);
 180   myShadingFaceProp->SetInterpolationToGouraud();
 181   myShadingFaceProp->SetAmbient(1.0);
 182   myShadingFaceProp->SetDiffuse(1.0);
 183   myShadingFaceProp->SetSpecular(0.4);
 184   myShadingFaceProp->SetAmbientColor(0.329412, 0.223529, 0.027451);
 185   myShadingFaceProp->SetDiffuseColor(0.780392, 0.568627, 0.113725);
 186   myShadingFaceProp->SetSpecularColor(0.992157, 0.941176, 0.807843);
 187
 188   myShadingFaceActor->SetProperty(myShadingFaceProp.GetPointer());
 189
 190   // Toggle display mode
 191   setDisplayMode(0); // WIRE FRAME
 192   SetVectorMode(0);  //
 193   SetVerticesMode(0);  //
 194 }
 195
 196
 197 GEOM_Actor::~GEOM_Actor()
 198 {
 199 #ifdef MYDEBUG
 200   MESSAGE (this<< " ~GEOM_Actor::GEOM_Actor");
 201 #endif
 202   myHighlightProp->Delete();
 203   myPreHighlightProp->Delete();
 204   myShadingFaceProp->Delete();
 205   myShadingBackFaceProp->Delete();
 206 }
 207
 208 GEOM_Actor*
 209 GEOM_Actor::
 210 New()
 211 {
 212   GEOM_Actor* anObject = new GEOM_Actor();
 213   anObject->SetMapper(anObject->myPolyDataMapper.Get());
 214   return anObject;
 215 }
 216
 217
 218 void Write(vtkPolyData* theDataSet, const char* theFileName){
 219   vtkPolyDataWriter* aWriter = vtkPolyDataWriter::New();
 220   MESSAGE ("Write - "<<theFileName<<"' : "<<theDataSet->GetNumberOfPoints()<<"; "<<theDataSet->GetNumberOfCells());
 221   aWriter->SetInputData(theDataSet);
 222   aWriter->SetFileName(theFileName);
 223   //aWriter->Write();
 224   aWriter->Delete();
 225 }
 226
 227 void
 228 GEOM_Actor::
 229 SetModified()
 230 {
 231   this->myVertexSource->Modified();
 232   this->myIsolatedEdgeSource->Modified();
 233   this->myOneFaceEdgeSource->Modified();
 234   this->mySharedEdgeSource->Modified();
 235   this->myWireframeFaceSource->Modified();
 236   this->myShadingFaceSource->Modified();
 237 }
 238
 239 void
 240 GEOM_Actor::
 241 SetMapper(vtkMapper* theMapper)
 242 {
 243   SALOME_Actor::SetMapper(theMapper);
 244 }
 245
 246 void
 247 GEOM_Actor::
 248 AddToRender(vtkRenderer* theRenderer)
 249 {
 250   //SALOME_Actor::AddToRender(theRenderer);
 251
 252   theRenderer->AddActor(this);
 253
 254   this->myHighlightActor->AddToRender(theRenderer);
 255
 256
 257   myShadingFaceActor->AddToRender(theRenderer);
 258   myWireframeFaceActor->AddToRender(theRenderer);
 259
 260   mySharedEdgeActor->AddToRender(theRenderer);
 261   myOneFaceEdgeActor->AddToRender(theRenderer);
 262   myIsolatedEdgeActor->AddToRender(theRenderer);
 263
 264   myVertexActor->AddToRender(theRenderer);
 265 }
 266
 267 void
 268 GEOM_Actor::
 269 RemoveFromRender(vtkRenderer* theRenderer)
 270 {
 271   //SALOME_Actor::RemoveFromRender(theRenderer);
 272
 273
 274   theRenderer->RemoveActor(this);
 275
 276   myHighlightActor->RemoveFromRender(theRenderer);
 277   myShadingFaceActor->RemoveFromRender(theRenderer);
 278   myWireframeFaceActor->RemoveFromRender(theRenderer);
 279
 280   mySharedEdgeActor->RemoveFromRender(theRenderer);
 281   myOneFaceEdgeActor->RemoveFromRender(theRenderer);
 282   myIsolatedEdgeActor->RemoveFromRender(theRenderer);
 283
 284   myVertexActor->RemoveFromRender(theRenderer);
 285
 286
 287   SetSelected(false);
 288   SetVisibility(false);
 289 }
 290
 291 void
 292 GEOM_Actor::
 293 setDisplayMode(int theMode)
 294 {
 295 #ifdef MYDEBUG
 296   MESSAGE ( "GEOM_Actor::setDisplayMode = "<<theMode );
 297 #endif
 298
 299   if ( theMode == (int)eShadingWithEdges ) {
 300     // Coloring edges
 301     myIsolatedEdgeActor->GetProperty()->SetColor(myIsolatedEdgeColor[0],
 302                                                  myIsolatedEdgeColor[1],
 303                                                  myIsolatedEdgeColor[2]);
 304     myOneFaceEdgeActor->GetProperty()->SetColor(myEdgesInShadingColor[0],
 305                                                 myEdgesInShadingColor[1],
 306                                                 myEdgesInShadingColor[2]);
 307     mySharedEdgeActor->GetProperty()->SetColor(myEdgesInShadingColor[0],
 308                                                myEdgesInShadingColor[1],
 309                                                myEdgesInShadingColor[2]);
 310   }
 311   else {
 312     // Coloring edges
 313     myIsolatedEdgeActor->GetProperty()->SetColor(myIsolatedEdgeColor[0],
 314                                                  myIsolatedEdgeColor[1],
 315                                                  myIsolatedEdgeColor[2]);
 316     mySharedEdgeActor->GetProperty()->SetColor(myIsolatedEdgeColor[0],
 317                                                myIsolatedEdgeColor[1],
 318                                                myIsolatedEdgeColor[2]);
 319     myOneFaceEdgeActor->GetProperty()->SetColor(myOneFaceEdgeColor[0],
 320                                                myOneFaceEdgeColor[1],
 321                                                myOneFaceEdgeColor[2]);
 322   }
 323
 324   VTKViewer_Actor::setDisplayMode(theMode);
 325   SetVisibility(GetVisibility());
 326 }
 327
 328 void
 329 GEOM_Actor::
 330 SetSelected(bool theIsSelected)
 331 {
 332 #ifdef MYDEBUG
 333   MESSAGE ( "GEOM_Actor::SetSelected = "<<theIsSelected  );
 334 #endif
 335
 336   myIsSelected = theIsSelected;
 337   SetVisibility(GetVisibility());
 338 }
 339
 340 void
 341 GEOM_Actor::
 342 SetVisibility(int theVisibility)
 343 {
 344 #ifdef MYDEBUG
 345   MESSAGE ( "GEOM_Actor::SetVisibility = "<<theVisibility <<"  myIsSelected="<< myIsSelected
 346             << " theVisibility="<<theVisibility<<" myIsPreselected="<<myIsPreselected );
 347 #endif
 348
 349   SALOME_Actor::SetVisibility(theVisibility);
 350
 351   this->myHighlightActor->SetVisibility(theVisibility && (myIsSelected || myIsPreselected));
 352
 353   myShadingFaceActor->SetVisibility(theVisibility && (myDisplayMode == (int)eShading || myDisplayMode == (int)eShadingWithEdges) && (!myIsSelected || !myIsPreselected));
 354   myWireframeFaceActor->SetVisibility(theVisibility && (myDisplayMode == (int)eWireframe) && !myIsSelected);
 355
 356   mySharedEdgeActor->SetVisibility(theVisibility && (myDisplayMode == (int)eWireframe || myDisplayMode == (int)eShadingWithEdges) && !myIsSelected);
 357   myOneFaceEdgeActor->SetVisibility(theVisibility && (myDisplayMode == (int)eWireframe || myDisplayMode == (int)eShadingWithEdges) && !myIsSelected);
 358   myIsolatedEdgeActor->SetVisibility(theVisibility && !myIsSelected);
 359
 360   myVertexActor->SetVisibility(theVisibility && myVerticesMode && (!myIsSelected && !myIsPreselected));// must be added new mode points
 361 }
 362
 363
 364 void
 365 GEOM_Actor
 366 ::SetNbIsos(const int theNb[2])
 367 {
 368   myWireframeFaceSource->SetNbIso(theNb);
 369 }
 370
 371 void
 372 GEOM_Actor
 373 ::GetNbIsos(int &theNbU,int &theNbV)
 374 {
 375   myWireframeFaceSource->GetNbIso(theNbU, theNbV);
 376 }
 377
 378 void
 379 GEOM_Actor
 380 ::SetVectorMode(bool theMode)
 381 {
 382   myVectorMode = theMode;
 383   myIsolatedEdgeSource->SetVectorMode(theMode);
 384   myOneFaceEdgeSource->SetVectorMode(theMode);
 385   mySharedEdgeSource->SetVectorMode(theMode);
 386   SetModified();
 387 }
 388
 389 bool
 390 GEOM_Actor
 391 ::GetVectorMode()
 392 {
 393   return myVectorMode;
 394 }
 395
 396 void
 397 GEOM_Actor
 398 ::SetVerticesMode(bool theMode)
 399 {
 400   myVerticesMode = theMode;
 401   theMode ? myPreHighlightProp->SetPointSize(SALOME_POINT_SIZE+2) : myPreHighlightProp->SetPointSize(0);
 402   theMode ? myHighlightProp->SetPointSize(SALOME_POINT_SIZE) : myHighlightProp->SetPointSize(0);
 403   SetModified();
 404 }
 405
 406 bool
 407 GEOM_Actor
 408 ::GetVerticesMode()
 409 {
 410   return myVerticesMode;
 411 }
 412
 413 void
 414 GEOM_Actor::
 415 SetDeflection(float theDeflection)
 416 {
 417   if( myDeflection == theDeflection )
 418     return;
 419
 420   myDeflection = theDeflection;
 421
 422   GEOM::MeshShape(myShape,myDeflection);
 423
 424   SetModified();
 425 }
 426
 427 void GEOM_Actor::SetShape (const TopoDS_Shape& theShape,
 428                            float theDeflection,
 429                            bool theIsVector)
 430 {
 431   myShape = theShape;
 432
 433   myVertexSource->Clear();
 434   myIsolatedEdgeSource->Clear();
 435   myOneFaceEdgeSource->Clear();
 436   mySharedEdgeSource->Clear();
 437   myWireframeFaceSource->Clear();
 438   myShadingFaceSource->Clear();
 439
 440   TopExp_Explorer aVertexExp (theShape,TopAbs_VERTEX);
 441   for (; aVertexExp.More(); aVertexExp.Next())
 442   {
 443      const TopoDS_Vertex& aVertex = TopoDS::Vertex(aVertexExp.Current());
 444      myVertexSource->AddVertex(aVertex);
 445   }
 446
 447   SetDeflection(theDeflection);
 448
 449   // look if edges are free or shared
 450   TopTools_IndexedDataMapOfShapeListOfShape anEdgeMap;
 451   TopExp::MapShapesAndAncestors(theShape,TopAbs_EDGE,TopAbs_FACE,anEdgeMap);
 452
 453   GEOM::SetShape(theShape,anEdgeMap,theIsVector,
 454                  myIsolatedEdgeSource.Get(),
 455                  myOneFaceEdgeSource.Get(),
 456                  mySharedEdgeSource.Get(),
 457                  myWireframeFaceSource.Get(),
 458                  myShadingFaceSource.Get());
 459   isOnlyVertex =
 460     myIsolatedEdgeSource->IsEmpty() &&
 461     myOneFaceEdgeSource->IsEmpty() &&
 462     mySharedEdgeSource->IsEmpty() &&
 463     myWireframeFaceSource->IsEmpty() &&
 464     myShadingFaceSource->IsEmpty();
 465
 466
 467   if((bool)myShape.Infinite() || isOnlyVertex ){
 468     myVertexActor->GetDeviceActor()->SetInfinitive(true);
 469     myHighlightActor->GetDeviceActor()->SetInfinitive(true);
 470   }
 471
 472   // 0051777: TC7.2.0: Element could not be selected in Hypothesis Construction
 473   myAppendFilter->Update();
 474 }
 475
 476 // OLD METHODS
 477 void GEOM_Actor::setDeflection(double adef) {
 478 #ifdef MYDEBUG
 479   MESSAGE ( "GEOM_Actor::setDeflection" );
 480 #endif
 481   SetDeflection((float)adef);
 482 }
 483
 484
 485 // warning! must be checked!
 486 // SetHighlightProperty
 487 // SetWireframeProperty
 488 // SetShadingProperty
 489
 490 void GEOM_Actor::SetHighlightProperty(vtkProperty* Prop)
 491 {
 492 #ifdef MYDEBUG
 493   MESSAGE ( "GEOM_Actor::SetHighlightProperty" );
 494 #endif
 495   this->myHighlightActor->GetProperty()->DeepCopy(Prop);
 496
 497 }
 498
 499 void GEOM_Actor::SetWireframeProperty(vtkProperty* Prop)
 500 {
 501 #ifdef MYDEBUG
 502   MESSAGE ( this << " GEOM_Actor::SetWireframeProperty" );
 503 #endif
 504   // must be filled
 505   myWireframeFaceActor->SetProperty(Prop);
 506 }
 507
 508
 509 vtkProperty* GEOM_Actor::GetWireframeProperty()
 510 {
 511   return myWireframeFaceActor->GetProperty();
 512 }
 513
 514 vtkProperty* GEOM_Actor::GetIsolatedEdgeProperty()
 515 {
 516   return myIsolatedEdgeActor->GetProperty();
 517 }
 518
 519 vtkProperty* GEOM_Actor::GetVertexProperty()
 520 {
 521   return myVertexActor->GetProperty();
 522 }
 523
 524 vtkProperty* GEOM_Actor::GetSharedEdgeProperty()
 525 {
 526   return mySharedEdgeActor->GetProperty();
 527 }
 528
 529 vtkProperty* GEOM_Actor::GetFaceEdgeProperty()
 530 {
 531   return myOneFaceEdgeActor->GetProperty();
 532 }
 533
 534 void GEOM_Actor::SetShadingProperty(vtkProperty* Prop)
 535 {
 536 #ifdef MYDEBUG
 537   MESSAGE ( "GEOM_Actor::SetShadingProperty" );
 538 #endif
 539   myShadingFaceProp->DeepCopy(Prop);
 540 }
 541
 542
 543 vtkProperty* GEOM_Actor::GetShadingProperty()
 544 {
 545   return myShadingFaceProp;
 546 }
 547
 548
 549 void GEOM_Actor::Render(vtkRenderer *ren, vtkMapper *theMapper)
 550 {
 551 #ifdef MYDEBUG
 552   MESSAGE ( "GEOM_Actor::Render" );
 553 #endif
 554
 555   if(!GetVisibility())
 556     return;
 557
 558   /* render the property */
 559   if (!this->Property) {
 560     // force creation of a property
 561     this->GetProperty();
 562     this->Property->SetInterpolation(1);
 563     this->Property->SetRepresentationToSurface();
 564     this->Property->SetAmbient(0.3);
 565     this->Property->SetAmbientColor(0.88,0.86,0.2);
 566     this->Property->SetDiffuseColor(0.99,0.7,0.21);
 567     this->Property->SetSpecularColor(0.99,0.98,0.83);
 568   }
 569
 570   switch(myDisplayMode){
 571   case eWireframe://wireframe
 572     myPreHighlightProp->SetRepresentationToWireframe();
 573     myHighlightProp->SetRepresentationToWireframe();
 574     break;
 575   case eShading://shading
 576   case eShadingWithEdges://shading with edges
 577     myPreHighlightProp->SetRepresentationToSurface();
 578     myHighlightProp->SetRepresentationToSurface();
 579     myShadingFaceProp->SetRepresentationToSurface();
 580     myShadingBackFaceProp->SetRepresentationToSurface();
 581     break;
 582   }
 583
 584   if(!myIsSelected){
 585     if(myIsPreselected){
 586       this->myHighlightActor->SetProperty(myPreHighlightProp.GetPointer());
 587       myShadingFaceActor->SetProperty(myPreHighlightProp.GetPointer());
 588       myShadingFaceActor->SetBackfaceProperty(myPreHighlightProp.GetPointer());
 589     } else {
 590       this->myHighlightActor->SetProperty(myShadingFaceProp.GetPointer());
 591       myShadingFaceActor->SetProperty(myShadingFaceProp.GetPointer());
 592       myShadingFaceActor->SetBackfaceProperty(myShadingBackFaceProp.GetPointer());
 593     }
 594   }
 595   else{
 596     this->myHighlightActor->SetProperty(myHighlightProp.GetPointer());
 597     myShadingFaceActor->SetProperty(myHighlightProp.GetPointer());
 598     myShadingFaceActor->SetBackfaceProperty(myHighlightProp.GetPointer());
 599   }
 600
 601   this->Property->Render(this, ren);
 602   if (this->BackfaceProperty) {
 603     this->BackfaceProperty->BackfaceRender(this, ren);
 604     this->Device->SetBackfaceProperty(this->BackfaceProperty);
 605   }
 606   this->Device->SetProperty(this->Property);
 607   /*  if(myShape.ShapeType() == TopAbs_VERTEX) {
 608     if(ren){
 609       //The parameter determine size of vertex actor relate to diagonal of RendererWindow
 610       static double delta = 0.01;
 611       double X1 = -1, Y1 = -1, Z1 = 0;
 612       ren->ViewToWorld(X1,Y1,Z1);
 613       double X2 = +1, Y2 = +1, Z2 = 0;
 614       ren->ViewToWorld(X2,Y2,Z2);
 615       Z2 = sqrt((X2-X1)*(X2-X1) + (Y2-Y1)*(Y2-Y1) + (Z2-Z1)*(Z2-Z1));
 616       this->SetScale(Z2*delta);
 617     }
 618     vtkMatrix4x4 *aMatrix = vtkMatrix4x4::New();
 619     this->GetMatrix(ren->GetActiveCamera(), aMatrix);
 620     this->Device->SetUserMatrix(aMatrix);
 621     this->Device->Render(ren,theMapper);
 622     aMatrix->Delete();
 623     } else*/
 624     this->Device->Render(ren, theMapper);
 625 }
 626
 627 void GEOM_Actor::ReleaseGraphicsResources(vtkWindow *)
 628 {
 629 #ifdef MYDEBUG
 630   MESSAGE ( "GEOM_Actor::ReleaseGraphicsResources" );
 631 #endif
 632 }
 633
 634
 635
 636 void GEOM_Actor::ShallowCopy(vtkProp *prop)
 637 {
 638 #ifdef MYDEBUG
 639   MESSAGE ( "GEOM_Actor::ShallowCopy" );
 640 #endif
 641   GEOM_Actor *f = GEOM_Actor::SafeDownCast(prop);
 642   if ( f != NULL )
 643     {
 644       this->SetShape(f->getTopo(),f->GetDeflection());
 645     }
 646
 647   // Now do superclass
 648   this->SALOME_Actor::ShallowCopy(prop);
 649 }
 650
 651 const TopoDS_Shape& GEOM_Actor::getTopo() {
 652 #ifdef MYDEBUG
 653   MESSAGE ( "GEOM_Actor::getTopo" );
 654 #endif
 655   return myShape;
 656 }
 657
 658 void GEOM_Actor::setInputShape(const TopoDS_Shape& ashape, double adef1,
 659                                int imode, bool isVector)
 660 {
 661 #ifdef MYDEBUG
 662   MESSAGE ( "GEOM_Actor::setInputShape" );
 663 #endif
 664 }
 665
 666 double GEOM_Actor::getDeflection()
 667 {
 668 #ifdef MYDEBUG
 669   MESSAGE ( "GEOM_Actor::getDeflection" );
 670 #endif
 671   return (double) GetDeflection();
 672 }
 673
 674
 675 double GEOM_Actor::isVector()
 676 {
 677 #ifdef MYDEBUG
 678   MESSAGE ( "GEOM_Actor::isVector" );
 679 #endif
 680   return 0;
 681 }
 682
 683 void GEOM_Actor::SubShapeOn()
 684 {
 685 #ifdef MYDEBUG
 686   MESSAGE ( "GEOM_Actor::SubShapeOn" );
 687 #endif
 688 }
 689
 690 void GEOM_Actor::SubShapeOff()
 691 {
 692 #ifdef MYDEBUG
 693   MESSAGE ( "GEOM_Actor::SubShapeOff" );
 694 #endif
 695 }
 696
 697 void GEOM_Actor::highlight(bool highlight)
 698 {
 699 #ifdef MYDEBUG
 700   MESSAGE ( this << " GEOM_Actor::highlight highlight="<<highlight );
 701 #endif
 702   SALOME_Actor::highlight(highlight);
 703 }
 704
 705 void GEOM_Actor::SetOpacity(double opa)
 706 {
 707   // enk:tested OK
 708   myShadingFaceProp->SetOpacity(opa);
 709   myShadingBackFaceProp->SetOpacity(opa);
 710   myHighlightProp->SetOpacity(opa);
 711   myPreHighlightProp->SetOpacity(opa);
 712   myVertexActor->GetProperty()->SetOpacity(opa);
 713 }
 714
 715 double GEOM_Actor::GetOpacity()
 716 {
 717   // enk:tested OK
 718   return myShadingFaceProp->GetOpacity();
 719 }
 720
 721 void GEOM_Actor::SetColor(double r,double g,double b)
 722 {
 723   // set the same color to all sub-actors:
 724   // - points
 725   // - standalone edges
 726   // - shared edges
 727   // - free edges
 728   // - shading color (front and back faces)
 729   SetPointColor(r, g, b);
 730   SetIsolatedEdgeColor(r, g, b);
 731   SetSharedEdgeColor(r, g, b);
 732   SetFreeEdgeColor(r, g, b);
 733   myShadingFaceProp->SetColor(r,g,b);     // shading color
 734   myShadingBackFaceProp->SetColor(r,g,b); // back face shading color
 735 }
 736
 737 void GEOM_Actor::GetColor(double& r,double& g,double& b)
 738 {
 739   double aRGB[3];
 740   myShadingFaceProp->GetColor(aRGB);
 741   r = aRGB[0];
 742   g = aRGB[1];
 743   b = aRGB[2];
 744 }
 745
 746 /*!
 747   \brief Set color of points
 748   Points actor is shown in Wireframe mode only, see SetVisibility()
 749 */
 750 void GEOM_Actor::SetPointColor(double r,  double g,  double b)
 751 {
 752   myVertexActor->GetProperty()->SetColor(r, g, b);
 753 }
 754
 755 /*!
 756   \brief Set color of standalone edges, wires, vectors
 757   This actor is shown in all display mode, see SetVisibility()
 758   TODO: check - this color seems to be used not only for standalone edges
 759 */
 760 void GEOM_Actor::SetIsolatedEdgeColor(double r, double g,  double b)
 761 {
 762   myIsolatedEdgeColor[0] = r; myIsolatedEdgeColor[1] = g; myIsolatedEdgeColor[2] = b;
 763   myIsolatedEdgeActor->GetProperty()->SetColor(r, g, b);
 764 }
 765
 766 /*!
 767   \brief Set color of shared edges
 768   This actor is shown only in wireframe and shading+edges display modes, see SetVisibility()
 769   TODO: check - this seems to be not working currently
 770 */
 771 void GEOM_Actor::SetSharedEdgeColor(double r, double g, double b)
 772 {
 773   mySharedEdgeColor[0] = r; mySharedEdgeColor[1] = g; mySharedEdgeColor[2] = b;
 774   if ( myDisplayMode != (int)eShadingWithEdges )
 775     mySharedEdgeActor->GetProperty()->SetColor(r, g, b);
 776 }
 777
 778 /*!
 779   \brief Set color of edges for standalone faces
 780   This actor is shown only in wireframe and shading+edges display modes, see SetVisibility()
 781   TODO: this color should be used not only for faces
 782 */
 783 void GEOM_Actor::SetFreeEdgeColor(double r, double g, double b)
 784 {
 785   myOneFaceEdgeColor[0] = r; myOneFaceEdgeColor[1] = g; myOneFaceEdgeColor[2] = b;
 786   if ( myDisplayMode != (int)eShadingWithEdges )
 787     myOneFaceEdgeActor->GetProperty()->SetColor(r, g, b);
 788 }
 789
 790 /*!
 791   \brief Set color of iso-lines
 792   This actor is shown only in wireframe display mode, see SetVisibility()
 793 */
 794 void GEOM_Actor::SetIsosColor(double r, double g, double b)
 795 {
 796   myWireframeFaceActor->GetProperty()->SetColor(r, g, b);
 797 }
 798
 799 void GEOM_Actor::SetMaterial(std::vector<vtkProperty*> theProps)
 800 {
 801   // we set material properties as back and front material
 802   int aSize = theProps.size();
 803
 804   if ( aSize < 1 || aSize > 2)
 805     return;
 806
 807   // theProps[0] -- front material properties
 808   // theProps[1] -- back material properties (if exist)
 809
 810   double aCoefnt;
 811
 812   // Set reflection coefficients
 813   aCoefnt = theProps[0]->GetAmbient();
 814   myShadingFaceProp->SetAmbient(aCoefnt);
 815   myVertexActor->GetProperty()->SetAmbient(aCoefnt);
 816   if ( aSize == 2 )
 817     aCoefnt = theProps[1]->GetAmbient();
 818   myShadingBackFaceProp->SetAmbient(aCoefnt);
 819
 820   // Set diffuse coefficients
 821   aCoefnt = theProps[0]->GetDiffuse();
 822   myShadingFaceProp->SetDiffuse(aCoefnt);
 823   myVertexActor->GetProperty()->SetDiffuse(aCoefnt);
 824   if ( aSize == 2 )
 825     aCoefnt = theProps[1]->GetDiffuse();
 826   myShadingBackFaceProp->SetDiffuse(aCoefnt);
 827
 828   // Set specular coefficients
 829   aCoefnt = theProps[0]->GetSpecular();
 830   myShadingFaceProp->SetSpecular(aCoefnt);
 831   myVertexActor->GetProperty()->SetSpecular(aCoefnt);
 832   if ( aSize == 2 )
 833     aCoefnt = theProps[1]->GetSpecular();
 834   myShadingBackFaceProp->SetSpecular(aCoefnt);
 835
 836
 837   double* aColor;
 838
 839   // Set reflection colors
 840   aColor = theProps[0]->GetAmbientColor();
 841   myShadingFaceProp->SetAmbientColor(aColor[0], aColor[1], aColor[2]);
 842   myVertexActor->GetProperty()->SetAmbientColor(aColor[0], aColor[1], aColor[2]);
 843   if ( aSize == 2 )
 844     aColor = theProps[1]->GetAmbientColor();
 845   myShadingBackFaceProp->SetAmbientColor(aColor[0], aColor[1], aColor[2]);
 846
 847   // Set diffuse colors
 848   aColor = theProps[0]->GetDiffuseColor();
 849   myShadingFaceProp->SetDiffuseColor(aColor[0], aColor[1], aColor[2]);
 850   myVertexActor->GetProperty()->SetDiffuseColor(aColor[0], aColor[1], aColor[2]);
 851   if ( aSize == 2 )
 852     aColor = theProps[1]->GetDiffuseColor();
 853   myShadingBackFaceProp->SetDiffuseColor(aColor[0], aColor[1], aColor[2]);
 854
 855   // Set specular colors
 856   aColor = theProps[0]->GetSpecularColor();
 857   myShadingFaceProp->SetSpecularColor(aColor[0], aColor[1], aColor[2]);
 858   myVertexActor->GetProperty()->SetSpecularColor(aColor[0], aColor[1], aColor[2]);
 859   if ( aSize == 2 )
 860     aColor = theProps[1]->GetSpecularColor();
 861   myShadingBackFaceProp->SetSpecularColor(aColor[0], aColor[1], aColor[2]);
 862
 863   // Set shininess
 864   aCoefnt = theProps[0]->GetSpecularPower();
 865   myShadingFaceProp->SetSpecularPower(aCoefnt);
 866   myVertexActor->GetProperty()->SetSpecularPower(aCoefnt);
 867   if ( aSize == 2 )
 868     aCoefnt = theProps[1]->GetSpecularPower();
 869   myShadingBackFaceProp->SetSpecularPower(aCoefnt);
 870
 871   // Set back face material property
 872   myShadingFaceActor->SetBackfaceProperty(myShadingBackFaceProp.GetPointer());
 873 }
 874
 875 vtkProperty* GEOM_Actor::GetFrontMaterial()
 876 {
 877   return myShadingFaceProp;
 878 }
 879
 880 vtkProperty* GEOM_Actor::GetBackMaterial()
 881 {
 882   return myShadingBackFaceProp;
 883 }
 884
 885 bool GEOM_Actor::IsInfinitive()
 886 {
 887   return ((bool)myShape.Infinite() || isOnlyVertex);
 888 }
 889
 890 /*!
 891   To map current selection to VTK representation
 892 */
 893 void
 894 GEOM_Actor
 895 ::Highlight(bool theIsHighlight)
 896 {
 897   myIsSelected = theIsHighlight;
 898 #ifdef MYDEBUG
 899   MESSAGE ( this << " GEOM_Actor::Highlight myIsSelected="<<myIsSelected );
 900 #endif
 901
 902   SALOME_Actor::Highlight(theIsHighlight); // this method call ::highlight(theIsHighlight) in the end
 903   SetVisibility(GetVisibility());
 904 }
 905
 906 /*!
 907   To process prehighlight (called from SVTK_InteractorStyle)
 908 */
 909 bool
 910 GEOM_Actor
 911 ::PreHighlight(vtkInteractorStyle *theInteractorStyle,
 912                SVTK_SelectionEvent* theSelectionEvent,
 913                bool theIsHighlight)
 914 {
 915 #ifdef MYDEBUG
 916   MESSAGE ( this<<" GEOM_Actor::PreHighlight (3) theIsHighlight="<<theIsHighlight );
 917 #endif
 918
 919   if ( !GetPickable() )
 920     return false;
 921
 922   myPreHighlightActor->SetVisibility( false );
 923   bool anIsPreselected = myIsPreselected;
 924
 925   Selection_Mode aSelectionMode = theSelectionEvent->mySelectionMode;
 926   bool anIsChanged = (mySelectionMode != aSelectionMode);
 927
 928   if( !theIsHighlight ) {
 929     SetPreSelected( false );
 930   }else{
 931     switch(aSelectionMode){
 932     case ActorSelection :
 933     {
 934 //       cout << "=============== " << myIO->getEntry() << endl;
 935 //       int nbio = mySelector->IObjectCount();
 936 //       cout << " nbio = " << nbio << endl;
 937
 938       if( !mySelector->IsSelected( myIO ) ) {
 939         //      printf ("!!!!!!!!!!!!!!!!\n");
 940         SetPreSelected( true );
 941       }
 942     }
 943     default:
 944       break;
 945     }
 946   }
 947
 948   mySelectionMode = aSelectionMode;
 949   anIsChanged |= (anIsPreselected != myIsPreselected);
 950
 951   SetVisibility(GetVisibility());
 952   return anIsChanged;
 953 }
 954
 955 /*!
 956   To process highlight (called from SVTK_InteractorStyle)
 957 */
 958 bool
 959 GEOM_Actor
 960 ::Highlight(vtkInteractorStyle *theInteractorStyle,
 961             SVTK_SelectionEvent* theSelectionEvent,
 962             bool theIsHighlight)
 963 {
 964   // define the selection of object
 965 #ifdef MYDEBUG
 966   MESSAGE ( std::endl << this << " GEOM_Actor::Highlight (3) myIsSelected="<<myIsSelected );
 967 #endif
 968   bool aRet = SALOME_Actor::Highlight(theInteractorStyle,theSelectionEvent,theIsHighlight);
 969   SetSelected(theIsHighlight);
 970   if(theIsHighlight)
 971     SetPreSelected(false);
 972
 973
 974   return aRet;
 975 }
 976
 977 // Copy the follower's composite 4x4 matrix into the matrix provided.
 978 void GEOM_Actor::GetMatrix(vtkCamera* theCam, vtkMatrix4x4 *result)
 979 {
 980   double *pos, *vup;
 981   double Rx[3], Ry[3], Rz[3], p1[3];
 982   vtkMatrix4x4 *matrix = vtkMatrix4x4::New();
 983   int i;
 984   double distance;
 985
 986   this->GetOrientation();
 987   this->Transform->Push();
 988   this->Transform->PostMultiply();
 989   this->Transform->Identity();
 990
 991   // apply user defined matrix last if there is one
 992   if (this->UserMatrix)
 993     {
 994     this->Transform->Concatenate(this->UserMatrix);
 995     }
 996
 997   this->Transform->Translate(-this->Origin[0],
 998                              -this->Origin[1],
 999                              -this->Origin[2]);
1000   // scale
1001   this->Transform->Scale(this->Scale[0],
1002                          this->Scale[1],
1003                          this->Scale[2]);
1004
1005   // rotate
1006   this->Transform->RotateY(this->Orientation[1]);
1007   this->Transform->RotateX(this->Orientation[0]);
1008   this->Transform->RotateZ(this->Orientation[2]);
1009
1010   if (theCam)
1011     {
1012     // do the rotation
1013     // first rotate y
1014     pos = theCam->GetPosition();
1015     vup = theCam->GetViewUp();
1016
1017     if (theCam->GetParallelProjection())
1018       {
1019       theCam->GetDirectionOfProjection(Rz);
1020       }
1021     else
1022       {
1023       distance = sqrt(
1024         (pos[0] - this->Position[0])*(pos[0] - this->Position[0]) +
1025         (pos[1] - this->Position[1])*(pos[1] - this->Position[1]) +
1026         (pos[2] - this->Position[2])*(pos[2] - this->Position[2]));
1027       for (i = 0; i < 3; i++)
1028         {
1029         Rz[i] = (pos[i] - this->Position[i])/distance;
1030         }
1031       }
1032
1033     vtkMath::Cross(vup,Rz,Rx);
1034     vtkMath::Normalize(Rx);
1035     vtkMath::Cross(Rz,Rx,Ry);
1036
1037     matrix->Element[0][0] = Rx[0];
1038     matrix->Element[1][0] = Rx[1];
1039     matrix->Element[2][0] = Rx[2];
1040     matrix->Element[0][1] = Ry[0];
1041     matrix->Element[1][1] = Ry[1];
1042     matrix->Element[2][1] = Ry[2];
1043     matrix->Element[0][2] = Rz[0];
1044     matrix->Element[1][2] = Rz[1];
1045     matrix->Element[2][2] = Rz[2];
1046
1047     this->Transform->Concatenate(matrix);
1048     }
1049
1050   // translate to projection reference point PRP
1051   // this is the camera's position blasted through
1052   // the current matrix
1053   p1[0] = this->Origin[0] + this->Position[0];
1054   p1[1] = this->Origin[1] + this->Position[1];
1055   p1[2] = this->Origin[2] + this->Position[2];
1056
1057   this->Transform->Translate(p1[0],p1[1],p1[2]);
1058   this->Transform->GetMatrix(result);
1059
1060   matrix->Delete();
1061   this->Transform->Pop();
1062 }
1063
1064 void GEOM_Actor::SetEdgesInShadingColor(double r,double g,double b)
1065 {
1066   myEdgesInShadingColor[0] = r;
1067   myEdgesInShadingColor[1] = g;
1068   myEdgesInShadingColor[2] = b;
1069 }
1070
1071 void GEOM_Actor::SetIsosWidth(const int width) {
1072   myWireframeFaceActor->GetProperty()->SetLineWidth(width);
1073 }
1074
1075 int GEOM_Actor::GetIsosWidth() const {
1076   return (int)myWireframeFaceActor->GetProperty()->GetLineWidth();
1077 }
1078
1079 void GEOM_Actor::SetWidth(const int width) {
1080   myIsolatedEdgeActor->GetProperty()->SetLineWidth(width);
1081   myOneFaceEdgeActor->GetProperty()->SetLineWidth(width);
1082   mySharedEdgeActor->GetProperty()->SetLineWidth(width);
1083   myHighlightProp->SetLineWidth(width);
1084   myPreHighlightProp->SetLineWidth(width+1);
1085
1086 }
1087
1088 int GEOM_Actor::GetWidth() const {
1089   return (int)myIsolatedEdgeActor->GetProperty()->GetLineWidth();
1090 }