src/OBJECT/GEOM_AssemblyBuilder.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_AssemblyBuilder.cxx
  25 //  Author : Christophe ATTANASIO
  26 //  Module : GEOM
  27 //  $Header$
  28
  29 /*!
  30   \class GEOM_AssemblyBuilder GEOM_AssemblyBuilder.h
  31   \brief ....
  32 */
  33
  34 #include "GEOM_AssemblyBuilder.h"
  35 #include "GEOM_Actor.h"
  36
  37 #include <SUIT_Session.h>
  38
  39 #include <vtkProperty.h>
  40
  41 // Open CASCADE Includes
  42 #include <TopExp_Explorer.hxx>
  43 #include <Bnd_Box.hxx>
  44 #include <BRepMesh_IncrementalMesh.hxx>
  45 #include <Poly_Triangulation.hxx>
  46 #include <BRepBndLib.hxx>
  47 #include <BRep_Tool.hxx>
  48 #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
  49 #include <TopExp.hxx>
  50 #include <TopTools_ListOfShape.hxx>
  51 #include <TopoDS_Iterator.hxx>
  52
  53 #include "utilities.h"
  54
  55 using namespace std;
  56 // SALOME
  57
  58 #define MAX2(X, Y)      (  Abs(X) > Abs(Y)? Abs(X) : Abs(Y) )
  59 #define MAX3(X, Y, Z)   ( MAX2 ( MAX2(X,Y) , Z) )
  60
  61
  62
  63
  64
  65 void GEOM_AssemblyBuilder::InitProperties(vtkProperty* IsoProp,
  66                                           vtkProperty* FaceProp,
  67                                           vtkProperty* EdgeFProp,
  68                                           vtkProperty* EdgeSProp,
  69                                           vtkProperty* EdgeIProp,
  70                                           vtkProperty* VertexProp,
  71                                           vtkProperty* IsoPVProp,
  72                                           vtkProperty* EdgePVProp,
  73                                           vtkProperty* VertexPVProp)
  74 {
  75   // Shading like default OCC material
  76   FaceProp->SetRepresentationToSurface();
  77   FaceProp->SetInterpolationToGouraud();
  78   FaceProp->SetAmbient(1.0);
  79   FaceProp->SetDiffuse(1.0);
  80   FaceProp->SetSpecular(0.4);
  81   FaceProp->SetAmbientColor(0.329412, 0.223529, 0.027451);
  82   FaceProp->SetDiffuseColor(0.780392, 0.568627, 0.113725);
  83   FaceProp->SetSpecularColor(0.992157, 0.941176, 0.807843);
  84
  85   SUIT_ResourceMgr* aResMgr = SUIT_Session::session()->resourceMgr();
  86   QColor aColor;
  87
  88   // Wireframe for iso
  89   aColor = aResMgr->colorValue( "Geometry", "isos_color", QColor( int(0.5*255), int(0.5*255), int(0.5*255) ) );
  90   float red = aColor.red()/255.0;
  91   float green = aColor.green()/255.0;
  92   float blue = aColor.blue()/255.0;
  93   IsoProp->SetRepresentationToWireframe();
  94   IsoProp->SetAmbientColor(red, green, blue);
  95   IsoProp->SetDiffuseColor(red, green, blue);
  96   IsoProp->SetSpecularColor(red, green, blue);
  97
  98   // Wireframe for iso
  99   IsoPVProp->SetRepresentationToWireframe();
 100   IsoPVProp->SetAmbientColor(0, 1, 1);
 101   IsoPVProp->SetDiffuseColor(0, 1, 1);
 102   IsoPVProp->SetSpecularColor(0, 1, 1);
 103
 104   // Wireframe for shared edge
 105   aColor = aResMgr->colorValue( "Geometry", "wireframe_color", QColor( 255, 255, 0 ) );
 106   red = aColor.red()/255.0;
 107   green = aColor.green()/255.0;
 108   blue = aColor.blue()/255.0;
 109   EdgeSProp->SetRepresentationToWireframe();
 110   EdgeSProp->SetAmbientColor(red, green, blue);
 111   EdgeSProp->SetDiffuseColor(red, green, blue);
 112   EdgeSProp->SetSpecularColor(red, green, blue);
 113
 114   // Wireframe for free edge
 115   aColor = aResMgr->colorValue( "Geometry", "free_bound_color", QColor( 0, 255, 0 ) );
 116   red = aColor.red()/255.0;
 117   green = aColor.green()/255.0;
 118   blue = aColor.blue()/255.0;
 119   EdgeFProp->SetRepresentationToWireframe();
 120   EdgeFProp->SetAmbientColor(red, green, blue);
 121   EdgeFProp->SetDiffuseColor(red, green, blue);
 122   EdgeFProp->SetSpecularColor(red, green, blue);
 123
 124   // Wireframe for isolated edge
 125   aColor = aResMgr->colorValue( "Geometry", "line_color", QColor( 255, 0, 0 ) );
 126   red = aColor.red()/255.0;
 127   green = aColor.green()/255.0;
 128   blue = aColor.blue()/255.0;
 129   EdgeIProp->SetRepresentationToWireframe();
 130   EdgeIProp->SetAmbientColor(red, green, blue);
 131   EdgeIProp->SetDiffuseColor(red, green, blue);
 132
 133   // Wireframe for Preview edge
 134   EdgePVProp->SetRepresentationToWireframe();
 135   EdgePVProp->SetAmbientColor(1, 1, 0);
 136   EdgePVProp->SetDiffuseColor(1, 1, 0);
 137   EdgePVProp->SetSpecularColor(1, 1, 0);
 138
 139   // Wireframe for vertex
 140   aColor = aResMgr->colorValue( "Geometry", "point_color", QColor( 255, 255, 0 ) );
 141   red = aColor.red()/255.0;
 142   green = aColor.green()/255.0;
 143   blue = aColor.blue()/255.0;
 144   VertexProp->SetRepresentationToWireframe();
 145   VertexProp->SetAmbientColor(red, green, blue);
 146   VertexProp->SetDiffuseColor(red, green, blue);
 147   VertexProp->SetSpecularColor(red, green, blue);
 148
 149   // Wireframe for vertex
 150   VertexPVProp->SetRepresentationToWireframe();
 151   VertexPVProp->SetAmbientColor(0, 1, 1);
 152   VertexPVProp->SetDiffuseColor(0, 1, 1);
 153   VertexPVProp->SetSpecularColor(0, 1, 1);
 154 }
 155
 156
 157 void GEOM_AssemblyBuilder::MeshShape(const TopoDS_Shape myShape,
 158                                          Standard_Real deflection,
 159                                          Standard_Boolean forced)
 160 {
 161   // Mesh the shape if necessary
 162   Standard_Boolean alreadymesh = Standard_True;
 163   TopExp_Explorer ex;
 164   TopLoc_Location aLoc;
 165
 166   for (ex.Init(myShape, TopAbs_FACE); ex.More(); ex.Next()) {
 167     const TopoDS_Face& aFace = TopoDS::Face(ex.Current());
 168     Handle(Poly_Triangulation) aPoly = BRep_Tool::Triangulation(aFace,aLoc);
 169     if(aPoly.IsNull()) { alreadymesh = Standard_False; break; }
 170   }
 171
 172   if(!alreadymesh || forced) {
 173     if(deflection<=0) {
 174       // Compute default deflection
 175       Bnd_Box B;
 176       BRepBndLib::Add(myShape, B);
 177       if ( B.IsVoid() ) return; // NPAL15983 (Bug when displaying empty groups)
 178       Standard_Real aXmin, aYmin, aZmin, aXmax, aYmax, aZmax;
 179       B.Get(aXmin, aYmin, aZmin, aXmax, aYmax, aZmax);
 180       deflection = MAX3( aXmax-aXmin , aYmax-aYmin , aZmax-aZmin) * 0.001 *4;
 181     }
 182     BRepMesh_IncrementalMesh MESH(myShape,deflection);
 183   }
 184 }
 185
 186
 187
 188 vtkActorCollection* GEOM_AssemblyBuilder::BuildActors(const TopoDS_Shape& myShape,
 189                                                       Standard_Real    deflection,
 190                                                       Standard_Integer mode,
 191                                                       Standard_Boolean forced,
 192                                                       Standard_Boolean isVector)
 193 {
 194   vtkActorCollection* AISActors = vtkActorCollection::New();
 195
 196   if(myShape.ShapeType() == TopAbs_COMPOUND) {
 197     TopoDS_Iterator anItr(myShape);
 198     for(; anItr.More(); anItr.Next()) {
 199       vtkActorCollection* theActors =
 200         GEOM_AssemblyBuilder::BuildActors(anItr.Value(), deflection, mode, forced);
 201       theActors->InitTraversal();
 202       vtkActor* anActor = (vtkActor*)theActors->GetNextActor();
 203       while(!(anActor==NULL)) {
 204         AISActors->AddItem(anActor);
 205         anActor = (vtkActor*)theActors->GetNextActor();
 206       }
 207     }
 208   }
 209   // Create graphics properties
 210
 211   vtkProperty* IsoProp = vtkProperty::New();
 212   vtkProperty* FaceProp = vtkProperty::New();
 213   vtkProperty* EdgeFProp = vtkProperty::New();
 214   vtkProperty* EdgeSProp = vtkProperty::New();
 215   vtkProperty* EdgeIProp = vtkProperty::New();
 216   vtkProperty* VertexProp = vtkProperty::New();
 217
 218   vtkProperty* IsoPVProp = vtkProperty::New();
 219   vtkProperty* EdgePVProp = vtkProperty::New();
 220   vtkProperty* VertexPVProp = vtkProperty::New();
 221
 222   InitProperties(IsoProp,FaceProp,EdgeFProp,EdgeSProp,EdgeIProp,VertexProp,IsoPVProp,EdgePVProp,VertexPVProp);
 223
 224   MeshShape(myShape,deflection,forced);
 225
 226   if ( myShape.ShapeType() <= 4 && myShape.ShapeType() != TopAbs_COMPOUND) {
 227
 228     // FACE Actor
 229     // look if edges are free or shared
 230     TopTools_IndexedDataMapOfShapeListOfShape edgemap;
 231     TopExp::MapShapesAndAncestors(myShape,TopAbs_EDGE,TopAbs_FACE,edgemap);
 232
 233     TopExp_Explorer ex;
 234
 235     for (ex.Init(myShape, TopAbs_FACE); ex.More(); ex.Next()) {
 236
 237       GEOM_Actor* FaceActor = GEOM_Actor::New();
 238       FaceActor->SetShadingProperty(FaceProp);
 239       FaceActor->SetWireframeProperty(IsoProp);
 240
 241       FaceActor->SetPreviewProperty(IsoPVProp);
 242
 243       FaceActor->setInputShape(ex.Current(),deflection,mode);
 244
 245       AISActors->AddItem(FaceActor);
 246
 247       TopExp_Explorer ex2;
 248       for (ex2.Init(ex.Current(), TopAbs_EDGE); ex2.More(); ex2.Next()) {
 249         const TopoDS_Edge& aEdge = TopoDS::Edge(ex2.Current());
 250
 251         if (BRep_Tool::Degenerated(aEdge)) {
 252           continue;
 253         }
 254
 255         // compute the number of faces
 256         Standard_Integer nbf = edgemap.FindFromKey(ex2.Current()).Extent();
 257         GEOM_Actor* EdgeActor = GEOM_Actor::New();
 258         EdgeActor->SubShapeOn();
 259         EdgeActor->setInputShape(ex2.Current(),deflection,mode);
 260
 261         switch (nbf) {
 262
 263         case 0 : // isolated edge
 264           {
 265             EdgeActor->SetShadingProperty(EdgeIProp);
 266             EdgeActor->SetWireframeProperty(EdgeIProp);
 267           }
 268           break;
 269
 270         case 1 :// edge in only one face
 271           {
 272             EdgeActor->SetShadingProperty(EdgeFProp);
 273             EdgeActor->SetWireframeProperty(EdgeFProp);
 274           }
 275           break;
 276
 277         default :   // edge shared by at least two faces
 278           {
 279             EdgeActor->SetShadingProperty(EdgeSProp);
 280             EdgeActor->SetWireframeProperty(EdgeSProp);
 281           }
 282         }
 283
 284         EdgeActor->SetPreviewProperty(EdgePVProp);
 285         AISActors->AddItem(EdgeActor);
 286       }
 287     }
 288   } else if ( myShape.ShapeType() == TopAbs_WIRE ) { // WIRE Actor
 289     TopExp_Explorer ex;
 290     for (ex.Init(myShape, TopAbs_EDGE); ex.More(); ex.Next()) {
 291       const TopoDS_Edge& aEdge = TopoDS::Edge(ex.Current());
 292
 293       if (BRep_Tool::Degenerated(aEdge)) {
 294         continue;
 295       }
 296
 297       GEOM_Actor* EdgeActor = GEOM_Actor::New();
 298       EdgeActor->setInputShape(ex.Current(),deflection,mode);
 299       EdgeActor->SetShadingProperty(EdgeIProp);
 300       EdgeActor->SetWireframeProperty(EdgeIProp);
 301       EdgeActor->SetPreviewProperty(EdgePVProp);
 302
 303       AISActors->AddItem(EdgeActor);
 304     }
 305   } else if ( myShape.ShapeType() == TopAbs_EDGE ) { // EDGE Actor
 306     GEOM_Actor* EdgeActor = GEOM_Actor::New();
 307     EdgeActor->setInputShape(myShape,deflection,mode,isVector);
 308     EdgeActor->SetShadingProperty(EdgeIProp);
 309     EdgeActor->SetWireframeProperty(EdgeIProp);
 310     EdgeActor->SetPreviewProperty(EdgePVProp);
 311
 312     AISActors->AddItem(EdgeActor);
 313   } else if ( myShape.ShapeType() == TopAbs_VERTEX ) { // VERTEX Actor
 314     GEOM_Actor* VertexActor = GEOM_Actor::New();
 315     VertexActor->setInputShape(myShape,deflection,mode);
 316     VertexActor->SetShadingProperty(VertexProp);
 317     VertexActor->SetWireframeProperty(VertexProp);
 318     VertexActor->SetPreviewProperty(VertexPVProp);
 319
 320     AISActors->AddItem(VertexActor);
 321
 322   }
 323
 324   return AISActors;
 325
 326 }
 327
 328
 329
 330 //-------------------------------------------------------------
 331 // BUILD ASSEMBLY
 332 //-------------------------------------------------------------
 333 vtkAssembly*  GEOM_AssemblyBuilder::BuildAssembly(const TopoDS_Shape& myShape,
 334                                                       Standard_Real deflection,
 335                                                       Standard_Integer mode,
 336                                                       Standard_Boolean forced)
 337 {
 338   // Create a new vtkAssembly
 339
 340   vtkAssembly* myVTKShape = vtkAssembly::New();
 341
 342
 343   // Create graphics properties
 344
 345   vtkProperty* IsoProp = vtkProperty::New();
 346   vtkProperty* FaceProp = vtkProperty::New();
 347   vtkProperty* EdgeFProp = vtkProperty::New();
 348   vtkProperty* EdgeSProp = vtkProperty::New();
 349   vtkProperty* EdgeIProp = vtkProperty::New();
 350   vtkProperty* VertexProp = vtkProperty::New();
 351   vtkProperty* EdgePVProp = vtkProperty::New();
 352   vtkProperty* VertexPVProp = vtkProperty::New();
 353   vtkProperty* IsoPVProp = vtkProperty::New();
 354
 355   InitProperties(IsoProp,FaceProp,EdgeFProp,EdgeSProp,EdgeIProp,VertexProp,IsoPVProp,EdgePVProp,VertexPVProp);
 356
 357   MeshShape(myShape,deflection,forced);
 358
 359
 360   // FACE Actor
 361
 362   // look if edges are free or shared
 363   TopTools_IndexedDataMapOfShapeListOfShape edgemap;
 364   TopExp::MapShapesAndAncestors(myShape,TopAbs_EDGE,TopAbs_FACE,edgemap);
 365
 366   TopExp_Explorer ex;
 367
 368   for (ex.Init(myShape, TopAbs_FACE); ex.More(); ex.Next()) {
 369     //const TopoDS_Face& aFace = TopoDS::Face(ex.Current());
 370
 371     GEOM_Actor* FaceActor = GEOM_Actor::New();
 372     FaceActor->SetShadingProperty(FaceProp);
 373     FaceActor->SetWireframeProperty(IsoProp);
 374
 375     vtkAssembly* myFaceAssembly = vtkAssembly::New();
 376
 377
 378     FaceActor->setInputShape(ex.Current(),deflection,mode);
 379     myFaceAssembly->AddPart(FaceActor);
 380
 381     TopExp_Explorer ex2;
 382     for (ex2.Init(ex.Current(), TopAbs_EDGE); ex2.More(); ex2.Next()) {
 383       const TopoDS_Edge& aEdge = TopoDS::Edge(ex2.Current());
 384
 385       if (BRep_Tool::Degenerated(aEdge)) {
 386         continue;
 387       }
 388
 389
 390       // compute the number of faces
 391       Standard_Integer nbf = edgemap.FindFromKey(ex2.Current()).Extent();
 392       GEOM_Actor* EdgeActor = GEOM_Actor::New();
 393       switch (nbf) {
 394
 395       case 0 : // isolated edge
 396         {
 397           EdgeActor->SetShadingProperty(EdgeIProp);
 398           EdgeActor->SetWireframeProperty(EdgeIProp);
 399         }
 400         break;
 401
 402       case 1 :// edge in only one face
 403         {
 404           EdgeActor->SetShadingProperty(EdgeFProp);
 405           EdgeActor->SetWireframeProperty(EdgeFProp);
 406         }
 407         break;
 408
 409       default :   // edge shared by at least two faces
 410         {
 411           EdgeActor->SetShadingProperty(EdgeSProp);
 412           EdgeActor->SetWireframeProperty(EdgeSProp);
 413         }
 414       }
 415
 416       EdgeActor->setInputShape(ex2.Current(),deflection,mode);
 417       myFaceAssembly->AddPart(EdgeActor);
 418     }
 419     myVTKShape->AddPart(myFaceAssembly);
 420   }
 421
 422   return myVTKShape;
 423
 424 }
 425
 426 //-------------------------------------------------------------
 427 // CHANGE SPECIFIC DISPLAY MODE
 428 //-------------------------------------------------------------
 429 void  GEOM_AssemblyBuilder::SwitchDisplayMode(vtkAssembly* aOCCAssembly)
 430 {
 431 }
 432
 433 void  GEOM_AssemblyBuilder::SwitchDisplayMode(vtkActorCollection* aOCCAssembly)
 434 {
 435 }
 436
 437 //-------------------------------------------------------------
 438 // DISPLAY/ERASE
 439 //-------------------------------------------------------------
 440
 441 void GEOM_AssemblyBuilder::DisplayErase(vtkAssembly* mySALOMEAssembly)
 442 {
 443 }
 444
 445
 446 void GEOM_AssemblyBuilder::DisplayErase(vtkActorCollection* mySALOMEActors)
 447 {
 448 }
 449
 450
 451
 452
 453