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       Standard_Real aXmin, aYmin, aZmin, aXmax, aYmax, aZmax;
 178       B.Get(aXmin, aYmin, aZmin, aXmax, aYmax, aZmax);
 179       deflection = MAX3( aXmax-aXmin , aYmax-aYmin , aZmax-aZmin) * 0.001 *4;
 180     }
 181     BRepMesh_IncrementalMesh MESH(myShape,deflection);
 182   }
 183 }
 184
 185
 186
 187 vtkActorCollection* GEOM_AssemblyBuilder::BuildActors(const TopoDS_Shape& myShape,
 188                                                           Standard_Real deflection,
 189                                                           Standard_Integer mode,
 190                                                           Standard_Boolean forced) {
 191
 192   vtkActorCollection* AISActors = vtkActorCollection::New();
 193
 194   if(myShape.ShapeType() == TopAbs_COMPOUND) {
 195     TopoDS_Iterator anItr(myShape);
 196     for(; anItr.More(); anItr.Next()) {
 197       vtkActorCollection* theActors = GEOM_AssemblyBuilder::BuildActors(anItr.Value(), deflection, mode, forced);
 198       theActors->InitTraversal();
 199       vtkActor* anActor = (vtkActor*)theActors->GetNextActor();
 200       while(!(anActor==NULL)) {
 201         AISActors->AddItem(anActor);
 202         anActor = (vtkActor*)theActors->GetNextActor();
 203       }
 204     }
 205   }
 206   // Create graphics properties
 207
 208   vtkProperty* IsoProp = vtkProperty::New();
 209   vtkProperty* FaceProp = vtkProperty::New();
 210   vtkProperty* EdgeFProp = vtkProperty::New();
 211   vtkProperty* EdgeSProp = vtkProperty::New();
 212   vtkProperty* EdgeIProp = vtkProperty::New();
 213   vtkProperty* VertexProp = vtkProperty::New();
 214
 215   vtkProperty* IsoPVProp = vtkProperty::New();
 216   vtkProperty* EdgePVProp = vtkProperty::New();
 217   vtkProperty* VertexPVProp = vtkProperty::New();
 218
 219   InitProperties(IsoProp,FaceProp,EdgeFProp,EdgeSProp,EdgeIProp,VertexProp,IsoPVProp,EdgePVProp,VertexPVProp);
 220
 221   MeshShape(myShape,deflection,forced);
 222
 223   if ( myShape.ShapeType() <= 4 && myShape.ShapeType() != TopAbs_COMPOUND) {
 224
 225     // FACE Actor
 226     // look if edges are free or shared
 227     TopTools_IndexedDataMapOfShapeListOfShape edgemap;
 228     TopExp::MapShapesAndAncestors(myShape,TopAbs_EDGE,TopAbs_FACE,edgemap);
 229
 230     TopExp_Explorer ex;
 231
 232     for (ex.Init(myShape, TopAbs_FACE); ex.More(); ex.Next()) {
 233
 234       GEOM_Actor* FaceActor = GEOM_Actor::New();
 235       FaceActor->SetShadingProperty(FaceProp);
 236       FaceActor->SetWireframeProperty(IsoProp);
 237
 238       FaceActor->SetPreviewProperty(IsoPVProp);
 239
 240       FaceActor->setInputShape(ex.Current(),deflection,mode);
 241
 242       AISActors->AddItem(FaceActor);
 243
 244       TopExp_Explorer ex2;
 245       for (ex2.Init(ex.Current(), TopAbs_EDGE); ex2.More(); ex2.Next()) {
 246         const TopoDS_Edge& aEdge = TopoDS::Edge(ex2.Current());
 247
 248         if (BRep_Tool::Degenerated(aEdge)) {
 249           continue;
 250         }
 251
 252         // compute the number of faces
 253         Standard_Integer nbf = edgemap.FindFromKey(ex2.Current()).Extent();
 254         GEOM_Actor* EdgeActor = GEOM_Actor::New();
 255         EdgeActor->SubShapeOn();
 256         EdgeActor->setInputShape(ex2.Current(),deflection,mode);
 257
 258         switch (nbf) {
 259
 260         case 0 : // isolated edge
 261           {
 262             EdgeActor->SetShadingProperty(EdgeIProp);
 263             EdgeActor->SetWireframeProperty(EdgeIProp);
 264           }
 265           break;
 266
 267         case 1 :// edge in only one face
 268           {
 269             EdgeActor->SetShadingProperty(EdgeFProp);
 270             EdgeActor->SetWireframeProperty(EdgeFProp);
 271           }
 272           break;
 273
 274         default :   // edge shared by at least two faces
 275           {
 276             EdgeActor->SetShadingProperty(EdgeSProp);
 277             EdgeActor->SetWireframeProperty(EdgeSProp);
 278           }
 279         }
 280
 281         EdgeActor->SetPreviewProperty(EdgePVProp);
 282         AISActors->AddItem(EdgeActor);
 283       }
 284     }
 285   } else if ( myShape.ShapeType() == TopAbs_WIRE ) { // WIRE Actor
 286     TopExp_Explorer ex;
 287     for (ex.Init(myShape, TopAbs_EDGE); ex.More(); ex.Next()) {
 288       const TopoDS_Edge& aEdge = TopoDS::Edge(ex.Current());
 289
 290       if (BRep_Tool::Degenerated(aEdge)) {
 291         continue;
 292       }
 293
 294       GEOM_Actor* EdgeActor = GEOM_Actor::New();
 295       EdgeActor->setInputShape(ex.Current(),deflection,mode);
 296       EdgeActor->SetShadingProperty(EdgeIProp);
 297       EdgeActor->SetWireframeProperty(EdgeIProp);
 298       EdgeActor->SetPreviewProperty(EdgePVProp);
 299
 300       AISActors->AddItem(EdgeActor);
 301     }
 302   } else if ( myShape.ShapeType() == TopAbs_EDGE ) { // EDGE Actor
 303     GEOM_Actor* EdgeActor = GEOM_Actor::New();
 304     EdgeActor->setInputShape(myShape,deflection,mode);
 305     EdgeActor->SetShadingProperty(EdgeIProp);
 306     EdgeActor->SetWireframeProperty(EdgeIProp);
 307     EdgeActor->SetPreviewProperty(EdgePVProp);
 308
 309     AISActors->AddItem(EdgeActor);
 310   } else if ( myShape.ShapeType() == TopAbs_VERTEX ) { // VERTEX Actor
 311     GEOM_Actor* VertexActor = GEOM_Actor::New();
 312     VertexActor->setInputShape(myShape,deflection,mode);
 313     VertexActor->SetShadingProperty(VertexProp);
 314     VertexActor->SetWireframeProperty(VertexProp);
 315     VertexActor->SetPreviewProperty(VertexPVProp);
 316
 317     AISActors->AddItem(VertexActor);
 318
 319   }
 320
 321   return AISActors;
 322
 323 }
 324
 325
 326
 327 //-------------------------------------------------------------
 328 // BUILD ASSEMBLY
 329 //-------------------------------------------------------------
 330 vtkAssembly*  GEOM_AssemblyBuilder::BuildAssembly(const TopoDS_Shape& myShape,
 331                                                       Standard_Real deflection,
 332                                                       Standard_Integer mode,
 333                                                       Standard_Boolean forced)
 334 {
 335   // Create a new vtkAssembly
 336
 337   vtkAssembly* myVTKShape = vtkAssembly::New();
 338
 339
 340   // Create graphics properties
 341
 342   vtkProperty* IsoProp = vtkProperty::New();
 343   vtkProperty* FaceProp = vtkProperty::New();
 344   vtkProperty* EdgeFProp = vtkProperty::New();
 345   vtkProperty* EdgeSProp = vtkProperty::New();
 346   vtkProperty* EdgeIProp = vtkProperty::New();
 347   vtkProperty* VertexProp = vtkProperty::New();
 348   vtkProperty* EdgePVProp = vtkProperty::New();
 349   vtkProperty* VertexPVProp = vtkProperty::New();
 350   vtkProperty* IsoPVProp = vtkProperty::New();
 351
 352   InitProperties(IsoProp,FaceProp,EdgeFProp,EdgeSProp,EdgeIProp,VertexProp,IsoPVProp,EdgePVProp,VertexPVProp);
 353
 354   MeshShape(myShape,deflection,forced);
 355
 356
 357   // FACE Actor
 358
 359   // look if edges are free or shared
 360   TopTools_IndexedDataMapOfShapeListOfShape edgemap;
 361   TopExp::MapShapesAndAncestors(myShape,TopAbs_EDGE,TopAbs_FACE,edgemap);
 362
 363   TopExp_Explorer ex;
 364
 365   for (ex.Init(myShape, TopAbs_FACE); ex.More(); ex.Next()) {
 366     //const TopoDS_Face& aFace = TopoDS::Face(ex.Current());
 367
 368     GEOM_Actor* FaceActor = GEOM_Actor::New();
 369     FaceActor->SetShadingProperty(FaceProp);
 370     FaceActor->SetWireframeProperty(IsoProp);
 371
 372     vtkAssembly* myFaceAssembly = vtkAssembly::New();
 373
 374
 375     FaceActor->setInputShape(ex.Current(),deflection,mode);
 376     myFaceAssembly->AddPart(FaceActor);
 377
 378     TopExp_Explorer ex2;
 379     for (ex2.Init(ex.Current(), TopAbs_EDGE); ex2.More(); ex2.Next()) {
 380       const TopoDS_Edge& aEdge = TopoDS::Edge(ex2.Current());
 381
 382       if (BRep_Tool::Degenerated(aEdge)) {
 383         continue;
 384       }
 385
 386
 387       // compute the number of faces
 388       Standard_Integer nbf = edgemap.FindFromKey(ex2.Current()).Extent();
 389       GEOM_Actor* EdgeActor = GEOM_Actor::New();
 390       switch (nbf) {
 391
 392       case 0 : // isolated edge
 393         {
 394           EdgeActor->SetShadingProperty(EdgeIProp);
 395           EdgeActor->SetWireframeProperty(EdgeIProp);
 396         }
 397         break;
 398
 399       case 1 :// edge in only one face
 400         {
 401           EdgeActor->SetShadingProperty(EdgeFProp);
 402           EdgeActor->SetWireframeProperty(EdgeFProp);
 403         }
 404         break;
 405
 406       default :   // edge shared by at least two faces
 407         {
 408           EdgeActor->SetShadingProperty(EdgeSProp);
 409           EdgeActor->SetWireframeProperty(EdgeSProp);
 410         }
 411       }
 412
 413       EdgeActor->setInputShape(ex2.Current(),deflection,mode);
 414       myFaceAssembly->AddPart(EdgeActor);
 415     }
 416     myVTKShape->AddPart(myFaceAssembly);
 417   }
 418
 419   return myVTKShape;
 420
 421 }
 422
 423 //-------------------------------------------------------------
 424 // CHANGE SPECIFIC DISPLAY MODE
 425 //-------------------------------------------------------------
 426 void  GEOM_AssemblyBuilder::SwitchDisplayMode(vtkAssembly* aOCCAssembly)
 427 {
 428 }
 429
 430 void  GEOM_AssemblyBuilder::SwitchDisplayMode(vtkActorCollection* aOCCAssembly)
 431 {
 432 }
 433
 434 //-------------------------------------------------------------
 435 // DISPLAY/ERASE
 436 //-------------------------------------------------------------
 437
 438 void GEOM_AssemblyBuilder::DisplayErase(vtkAssembly* mySALOMEAssembly)
 439 {
 440 }
 441
 442
 443 void GEOM_AssemblyBuilder::DisplayErase(vtkActorCollection* mySALOMEActors)
 444 {
 445 }
 446
 447
 448
 449
 450