src/OBJECT/GEOM_Actor.cxx

   1 //  Copyright (C) 2007-2010  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
  23 //  GEOM OBJECT : interactive object for Geometry entities visualization
  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 <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   //  myDisplayMode(eWireframe),
  78   myIsSelected(false),
  79   myVectorMode(false),
  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   isOnlyVertex(false)
 106 {
 107 #ifdef MYDEBUG
 108   MESSAGE (this<< " GEOM_Actor::GEOM_Actor");
 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   myHighlightProp->SetPointSize(SALOME_POINT_SIZE);
 122   myHighlightActor->SetProperty(myHighlightProp.GetPointer());
 123
 124   this->myHighlightActor->SetInput(myAppendFilter->GetOutput(),false);
 125
 126   myPreHighlightProp->SetColor(0,1,1);
 127   myPreHighlightProp->SetPointSize(SALOME_POINT_SIZE+2);
 128   myPreHighlightProp->SetLineWidth(SALOME_LINE_WIDTH+1);
 129   myPreHighlightProp->SetRepresentationToWireframe();
 130
 131   myAppendFilter->AddInput(myVertexSource->GetOutput());
 132   myVertexActor->SetInput(myVertexSource->GetOutput(),false);
 133   aProperty = myVertexActor->GetProperty();
 134   aProperty->SetRepresentation(VTK_POINTS);
 135   aProperty->SetPointSize(3);
 136   aProperty->SetColor(1, 1, 0);
 137
 138   myAppendFilter->AddInput(myIsolatedEdgeSource->GetOutput());
 139   myIsolatedEdgeActor->SetInput(myIsolatedEdgeSource->GetOutput(),false);
 140   aProperty = myIsolatedEdgeActor->GetProperty();
 141   aProperty->SetRepresentation(VTK_WIREFRAME);
 142   aProperty->SetColor(1, 0, 0);
 143
 144   myAppendFilter->AddInput(myOneFaceEdgeSource->GetOutput());
 145   myOneFaceEdgeActor->SetInput(myOneFaceEdgeSource->GetOutput(),false);
 146   aProperty = myOneFaceEdgeActor->GetProperty();
 147   aProperty->SetRepresentation(VTK_WIREFRAME);
 148   aProperty->SetColor(0, 1, 0);
 149
 150   myAppendFilter->AddInput(mySharedEdgeSource->GetOutput());
 151   mySharedEdgeActor->SetInput(mySharedEdgeSource->GetOutput(),false);
 152   aProperty = mySharedEdgeActor->GetProperty();
 153   aProperty->SetRepresentation(VTK_WIREFRAME);
 154   aProperty->SetColor(1, 1, 0);
 155
 156   myAppendFilter->AddInput(myWireframeFaceSource->GetOutput());
 157   myWireframeFaceActor->SetInput(myWireframeFaceSource->GetOutput(),false);
 158   aProperty = myWireframeFaceActor->GetProperty();
 159   aProperty->SetRepresentation(VTK_WIREFRAME);
 160   aProperty->SetColor(0.5, 0.5, 0.5);
 161
 162   myShadingFaceActor->SetInput(myShadingFaceSource->GetOutput(),true);
 163
 164   myShadingFaceProp->SetRepresentation(VTK_SURFACE);
 165   myShadingFaceProp->SetInterpolationToGouraud();
 166   myShadingFaceProp->SetAmbient(1.0);
 167   myShadingFaceProp->SetDiffuse(1.0);
 168   myShadingFaceProp->SetSpecular(0.4);
 169   myShadingFaceProp->SetAmbientColor(0.329412, 0.223529, 0.027451);
 170   myShadingFaceProp->SetDiffuseColor(0.780392, 0.568627, 0.113725);
 171   myShadingFaceProp->SetSpecularColor(0.992157, 0.941176, 0.807843);
 172
 173   myShadingFaceActor->SetProperty(myShadingFaceProp.GetPointer());
 174
 175   // Toggle display mode
 176   setDisplayMode(0); // WIRE FRAME
 177   SetVectorMode(0);  //
 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);// must be added new mode points
 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 void
 337 GEOM_Actor
 338 ::SetVectorMode(bool theMode)
 339 {
 340   myVectorMode = theMode;
 341   myIsolatedEdgeSource->SetVectorMode(theMode);
 342   myOneFaceEdgeSource->SetVectorMode(theMode);
 343   mySharedEdgeSource->SetVectorMode(theMode);
 344   SetModified();
 345 }
 346
 347 bool
 348 GEOM_Actor
 349 ::GetVectorMode()
 350 {
 351   return myVectorMode;
 352 }
 353
 354 void
 355 GEOM_Actor::
 356 SetDeflection(float theDeflection, bool theIsRelative)
 357 {
 358   myDeflection = theDeflection;
 359   myIsRelative = theIsRelative;
 360
 361   GEOM::MeshShape2(myShape,myDeflection,myIsRelative);
 362
 363   SetModified();
 364 }
 365
 366 void GEOM_Actor::SetShape (const TopoDS_Shape& theShape,
 367                            float theDeflection,
 368                            bool theIsRelative,
 369                            bool theIsVector)
 370 {
 371   myShape = theShape;
 372
 373   myVertexSource->Clear();
 374   myIsolatedEdgeSource->Clear();
 375   myOneFaceEdgeSource->Clear();
 376   mySharedEdgeSource->Clear();
 377   myWireframeFaceSource->Clear();
 378   myShadingFaceSource->Clear();
 379
 380   TopExp_Explorer aVertexExp (theShape,TopAbs_VERTEX);
 381   for (; aVertexExp.More(); aVertexExp.Next())
 382   {
 383      const TopoDS_Vertex& aVertex = TopoDS::Vertex(aVertexExp.Current());
 384      myVertexSource->AddVertex(aVertex);
 385   }
 386   SetDeflection(theDeflection, theIsRelative);
 387
 388   // look if edges are free or shared
 389   TopTools_IndexedDataMapOfShapeListOfShape anEdgeMap;
 390   TopExp::MapShapesAndAncestors(theShape,TopAbs_EDGE,TopAbs_FACE,anEdgeMap);
 391
 392   GEOM::SetShape(theShape,anEdgeMap,theIsVector,
 393                  myIsolatedEdgeSource.Get(),
 394                  myOneFaceEdgeSource.Get(),
 395                  mySharedEdgeSource.Get(),
 396                  myWireframeFaceSource.Get(),
 397                  myShadingFaceSource.Get());
 398   isOnlyVertex =
 399     myIsolatedEdgeSource->IsEmpty() &&
 400     myOneFaceEdgeSource->IsEmpty() &&
 401     mySharedEdgeSource->IsEmpty() &&
 402     myWireframeFaceSource->IsEmpty() &&
 403     myShadingFaceSource->IsEmpty();
 404
 405
 406   if((bool)myShape.Infinite() || isOnlyVertex ){
 407     myVertexActor->GetDeviceActor()->SetInfinitive(true);
 408     myHighlightActor->GetDeviceActor()->SetInfinitive(true);
 409   }
 410 }
 411
 412 // OLD METHODS
 413 void GEOM_Actor::setDeflection(double adef) {
 414 #ifdef MYDEBUG
 415   MESSAGE ( "GEOM_Actor::setDeflection" );
 416 #endif
 417   SetDeflection((float)adef,GetIsRelative());
 418 }
 419
 420
 421 // warning! must be checked!
 422 // SetHighlightProperty
 423 // SetWireframeProperty
 424 // SetShadingProperty
 425
 426 void GEOM_Actor::SetHighlightProperty(vtkProperty* Prop)
 427 {
 428 #ifdef MYDEBUG
 429   MESSAGE ( "GEOM_Actor::SetHighlightProperty" );
 430 #endif
 431   this->myHighlightActor->GetProperty()->DeepCopy(Prop);
 432
 433 }
 434
 435 void GEOM_Actor::SetWireframeProperty(vtkProperty* Prop)
 436 {
 437 #ifdef MYDEBUG
 438   MESSAGE ( this << " GEOM_Actor::SetWireframeProperty" );
 439 #endif
 440   // must be filled
 441   myWireframeFaceActor->SetProperty(Prop);
 442 }
 443
 444 void GEOM_Actor::SetShadingProperty(vtkProperty* Prop)
 445 {
 446 #ifdef MYDEBUG
 447   MESSAGE ( "GEOM_Actor::SetShadingProperty" );
 448 #endif
 449   myShadingFaceProp->DeepCopy(Prop);
 450 }
 451
 452
 453 void GEOM_Actor::Render(vtkRenderer *ren, vtkMapper *theMapper)
 454 {
 455 #ifdef MYDEBUG
 456   MESSAGE ( "GEOM_Actor::Render" );
 457 #endif
 458
 459   if(!GetVisibility())
 460     return;
 461
 462   /* render the property */
 463   if (!this->Property) {
 464     // force creation of a property
 465     this->GetProperty();
 466     this->Property->SetInterpolation(1);
 467     this->Property->SetRepresentationToSurface();
 468     this->Property->SetAmbient(0.3);
 469     this->Property->SetAmbientColor(0.88,0.86,0.2);
 470     this->Property->SetDiffuseColor(0.99,0.7,0.21);
 471     this->Property->SetSpecularColor(0.99,0.98,0.83);
 472   }
 473
 474   switch(myDisplayMode){
 475   case 0://wireframe
 476     myPreHighlightProp->SetRepresentationToWireframe();
 477     myHighlightProp->SetRepresentationToWireframe();
 478     break;
 479   case 1://shading
 480     myPreHighlightProp->SetRepresentationToSurface();
 481     myHighlightProp->SetRepresentationToSurface();
 482     break;
 483   }
 484
 485   if(!myIsSelected){
 486     if(myIsPreselected){
 487       this->myHighlightActor->SetProperty(myPreHighlightProp.GetPointer());
 488       myShadingFaceActor->SetProperty(myPreHighlightProp.GetPointer());
 489     } else {
 490       this->myHighlightActor->SetProperty(myShadingFaceProp.GetPointer());
 491       myShadingFaceActor->SetProperty(myShadingFaceProp.GetPointer());
 492     }
 493   }
 494   else{
 495     this->myHighlightActor->SetProperty(myHighlightProp.GetPointer());
 496     myShadingFaceActor->SetProperty(myHighlightProp.GetPointer());
 497   }
 498
 499   this->Property->Render(this, ren);
 500   if (this->BackfaceProperty) {
 501     this->BackfaceProperty->BackfaceRender(this, ren);
 502     this->Device->SetBackfaceProperty(this->BackfaceProperty);
 503   }
 504   this->Device->SetProperty(this->Property);
 505   /*  if(myShape.ShapeType() == TopAbs_VERTEX) {
 506     if(ren){
 507       //The parameter determine size of vertex actor relate to diagonal of RendererWindow
 508       static vtkFloatingPointType delta = 0.01;
 509       vtkFloatingPointType X1 = -1, Y1 = -1, Z1 = 0;
 510       ren->ViewToWorld(X1,Y1,Z1);
 511       vtkFloatingPointType X2 = +1, Y2 = +1, Z2 = 0;
 512       ren->ViewToWorld(X2,Y2,Z2);
 513       Z2 = sqrt((X2-X1)*(X2-X1) + (Y2-Y1)*(Y2-Y1) + (Z2-Z1)*(Z2-Z1));
 514       this->SetScale(Z2*delta);
 515     }
 516     vtkMatrix4x4 *aMatrix = vtkMatrix4x4::New();
 517     this->GetMatrix(ren->GetActiveCamera(), aMatrix);
 518     this->Device->SetUserMatrix(aMatrix);
 519     this->Device->Render(ren,theMapper);
 520     aMatrix->Delete();
 521     } else*/
 522     this->Device->Render(ren, theMapper);
 523 }
 524
 525 void GEOM_Actor::ReleaseGraphicsResources(vtkWindow *)
 526 {
 527 #ifdef MYDEBUG
 528   MESSAGE ( "GEOM_Actor::ReleaseGraphicsResources" );
 529 #endif
 530 }
 531
 532
 533
 534 void GEOM_Actor::ShallowCopy(vtkProp *prop)
 535 {
 536 #ifdef MYDEBUG
 537   MESSAGE ( "GEOM_Actor::ShallowCopy" );
 538 #endif
 539   GEOM_Actor *f = GEOM_Actor::SafeDownCast(prop);
 540   if ( f != NULL )
 541     {
 542       this->SetShape(f->getTopo(),f->GetDeflection(),f->GetIsRelative());
 543     }
 544
 545   // Now do superclass
 546   this->SALOME_Actor::ShallowCopy(prop);
 547 }
 548
 549 const TopoDS_Shape& GEOM_Actor::getTopo() {
 550 #ifdef MYDEBUG
 551   MESSAGE ( "GEOM_Actor::getTopo" );
 552 #endif
 553   return myShape;
 554 }
 555
 556 void GEOM_Actor::setInputShape(const TopoDS_Shape& ashape, double adef1,
 557                                int imode, bool isVector)
 558 {
 559 #ifdef MYDEBUG
 560   MESSAGE ( "GEOM_Actor::setInputShape" );
 561 #endif
 562 }
 563
 564 double GEOM_Actor::getDeflection()
 565 {
 566 #ifdef MYDEBUG
 567   MESSAGE ( "GEOM_Actor::getDeflection" );
 568 #endif
 569   return (double) GetDeflection();
 570 }
 571
 572
 573 double GEOM_Actor::isVector()
 574 {
 575 #ifdef MYDEBUG
 576   MESSAGE ( "GEOM_Actor::isVector" );
 577 #endif
 578   return 0;
 579 }
 580
 581 void GEOM_Actor::SubShapeOn()
 582 {
 583 #ifdef MYDEBUG
 584   MESSAGE ( "GEOM_Actor::SubShapeOn" );
 585 #endif
 586 }
 587
 588 void GEOM_Actor::SubShapeOff()
 589 {
 590 #ifdef MYDEBUG
 591   MESSAGE ( "GEOM_Actor::SubShapeOff" );
 592 #endif
 593 }
 594
 595 void GEOM_Actor::highlight(bool highlight)
 596 {
 597 #ifdef MYDEBUG
 598   MESSAGE ( this << " GEOM_Actor::highlight highlight="<<highlight );
 599 #endif
 600   SALOME_Actor::highlight(highlight);
 601 }
 602
 603 void GEOM_Actor::SetOpacity(vtkFloatingPointType opa)
 604 {
 605   // enk:tested OK
 606   myShadingFaceProp->SetOpacity(opa);
 607   myHighlightProp->SetOpacity(opa);
 608   myPreHighlightProp->SetOpacity(opa);
 609   myVertexActor->GetProperty()->SetOpacity(opa);
 610 }
 611
 612 vtkFloatingPointType GEOM_Actor::GetOpacity()
 613 {
 614   // enk:tested OK
 615   return myShadingFaceProp->GetOpacity();
 616 }
 617
 618 void GEOM_Actor::SetColor(vtkFloatingPointType r,vtkFloatingPointType g,vtkFloatingPointType b)
 619 {
 620   // enk:tested OK
 621   myShadingFaceProp->SetColor(r,g,b);                          // shading color (Shading)
 622   myIsolatedEdgeActor->GetProperty()->SetColor(r,g,b);         // standalone edge color (Wireframe)
 623   myVertexActor->GetProperty()->SetColor(r,g,b);               // vertex actor (Shading/Wireframe)
 624   myOneFaceEdgeActor->GetProperty()->SetColor(r,g,b);          // standalone face edge color (Wireframe)
 625   mySharedEdgeActor->GetProperty()->SetColor(r,g,b);           // share edge color (Wireframe)
 626 }
 627
 628 void GEOM_Actor::GetColor(vtkFloatingPointType& r,vtkFloatingPointType& g,vtkFloatingPointType& b)
 629 {
 630   // enk:tested OK
 631   vtkFloatingPointType aRGB[3];
 632   myShadingFaceProp->GetColor(aRGB);
 633   r = aRGB[0];
 634   g = aRGB[1];
 635   b = aRGB[2];
 636 }
 637
 638 bool GEOM_Actor::IsInfinitive()
 639 {
 640   return ((bool)myShape.Infinite() || isOnlyVertex);
 641 }
 642
 643 /*!
 644   To map current selection to VTK representation
 645 */
 646 void
 647 GEOM_Actor
 648 ::Highlight(bool theIsHighlight)
 649 {
 650   myIsSelected = theIsHighlight;
 651 #ifdef MYDEBUG
 652   MESSAGE ( this << " GEOM_Actor::Highlight myIsSelected="<<myIsSelected );
 653 #endif
 654
 655   SALOME_Actor::Highlight(theIsHighlight); // this method call ::highlight(theIsHighlight) in the end
 656   SetVisibility(GetVisibility());
 657 }
 658
 659 /*!
 660   To process prehighlight (called from SVTK_InteractorStyle)
 661 */
 662 bool
 663 GEOM_Actor
 664 ::PreHighlight(vtkInteractorStyle *theInteractorStyle,
 665                SVTK_SelectionEvent* theSelectionEvent,
 666                bool theIsHighlight)
 667 {
 668 #ifdef MYDEBUG
 669   MESSAGE ( this<<" GEOM_Actor::PreHighlight (3) theIsHighlight="<<theIsHighlight );
 670 #endif
 671
 672   if ( !GetPickable() )
 673     return false;
 674
 675   myPreHighlightActor->SetVisibility( false );
 676   bool anIsPreselected = myIsPreselected;
 677
 678   Selection_Mode aSelectionMode = theSelectionEvent->mySelectionMode;
 679   bool anIsChanged = (mySelectionMode != aSelectionMode);
 680
 681   if( !theIsHighlight ) {
 682     SetPreSelected( false );
 683   }else{
 684     switch(aSelectionMode){
 685     case ActorSelection :
 686     {
 687       //      cout << "=============== " << myIO->getEntry() << endl;
 688       int nbio = mySelector->IObjectCount();
 689       //      cout << " nbio = " << nbio << endl;
 690
 691       if( !mySelector->IsSelected( myIO ) ) {
 692         //      printf ("!!!!!!!!!!!!!!!!\n");
 693         SetPreSelected( true );
 694       }
 695     }
 696     default:
 697       break;
 698     }
 699   }
 700
 701   mySelectionMode = aSelectionMode;
 702   anIsChanged |= (anIsPreselected != myIsPreselected);
 703
 704   SetVisibility(GetVisibility());
 705   return anIsChanged;
 706 }
 707
 708 /*!
 709   To process highlight (called from SVTK_InteractorStyle)
 710 */
 711 bool
 712 GEOM_Actor
 713 ::Highlight(vtkInteractorStyle *theInteractorStyle,
 714             SVTK_SelectionEvent* theSelectionEvent,
 715             bool theIsHighlight)
 716 {
 717   // define the selection of object
 718 #ifdef MYDEBUG
 719   MESSAGE ( std::endl << this << " GEOM_Actor::Highlight (3) myIsSelected="<<myIsSelected );
 720 #endif
 721   bool aRet = SALOME_Actor::Highlight(theInteractorStyle,theSelectionEvent,theIsHighlight);
 722   SetSelected(theIsHighlight);
 723   if(theIsHighlight)
 724     SetPreSelected(false);
 725
 726
 727   return aRet;
 728 }
 729
 730 // Copy the follower's composite 4x4 matrix into the matrix provided.
 731 void GEOM_Actor::GetMatrix(vtkCamera* theCam, vtkMatrix4x4 *result)
 732 {
 733   double *pos, *vup;
 734   double Rx[3], Ry[3], Rz[3], p1[3];
 735   vtkMatrix4x4 *matrix = vtkMatrix4x4::New();
 736   int i;
 737   double distance;
 738
 739   this->GetOrientation();
 740   this->Transform->Push();
 741   this->Transform->PostMultiply();
 742   this->Transform->Identity();
 743
 744   // apply user defined matrix last if there is one
 745   if (this->UserMatrix)
 746     {
 747     this->Transform->Concatenate(this->UserMatrix);
 748     }
 749
 750   this->Transform->Translate(-this->Origin[0],
 751                              -this->Origin[1],
 752                              -this->Origin[2]);
 753   // scale
 754   this->Transform->Scale(this->Scale[0],
 755                          this->Scale[1],
 756                          this->Scale[2]);
 757
 758   // rotate
 759   this->Transform->RotateY(this->Orientation[1]);
 760   this->Transform->RotateX(this->Orientation[0]);
 761   this->Transform->RotateZ(this->Orientation[2]);
 762
 763   if (theCam)
 764     {
 765     // do the rotation
 766     // first rotate y
 767     pos = theCam->GetPosition();
 768     vup = theCam->GetViewUp();
 769
 770     if (theCam->GetParallelProjection())
 771       {
 772       theCam->GetDirectionOfProjection(Rz);
 773       }
 774     else
 775       {
 776       distance = sqrt(
 777         (pos[0] - this->Position[0])*(pos[0] - this->Position[0]) +
 778         (pos[1] - this->Position[1])*(pos[1] - this->Position[1]) +
 779         (pos[2] - this->Position[2])*(pos[2] - this->Position[2]));
 780       for (i = 0; i < 3; i++)
 781         {
 782         Rz[i] = (pos[i] - this->Position[i])/distance;
 783         }
 784       }
 785
 786     vtkMath::Cross(vup,Rz,Rx);
 787     vtkMath::Normalize(Rx);
 788     vtkMath::Cross(Rz,Rx,Ry);
 789
 790     matrix->Element[0][0] = Rx[0];
 791     matrix->Element[1][0] = Rx[1];
 792     matrix->Element[2][0] = Rx[2];
 793     matrix->Element[0][1] = Ry[0];
 794     matrix->Element[1][1] = Ry[1];
 795     matrix->Element[2][1] = Ry[2];
 796     matrix->Element[0][2] = Rz[0];
 797     matrix->Element[1][2] = Rz[1];
 798     matrix->Element[2][2] = Rz[2];
 799
 800     this->Transform->Concatenate(matrix);
 801     }
 802
 803   // translate to projection reference point PRP
 804   // this is the camera's position blasted through
 805   // the current matrix
 806   p1[0] = this->Origin[0] + this->Position[0];
 807   p1[1] = this->Origin[1] + this->Position[1];
 808   p1[2] = this->Origin[2] + this->Position[2];
 809
 810   this->Transform->Translate(p1[0],p1[1],p1[2]);
 811   this->Transform->GetMatrix(result);
 812
 813   matrix->Delete();
 814   this->Transform->Pop();
 815 }
 816
 817