src/GeomAlgoAPI/GeomAlgoAPI_STEPImportXCAF.cpp

   1 // Copyright (C) 2014-2021  CEA/DEN, EDF R&D
   2 //
   3 // This library is free software; you can redistribute it and/or
   4 // modify it under the terms of the GNU Lesser General Public
   5 // License as published by the Free Software Foundation; either
   6 // version 2.1 of the License, or (at your option) any later version.
   7 //
   8 // This library is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 // Lesser General Public License for more details.
  12 //
  13 // You should have received a copy of the GNU Lesser General Public
  14 // License along with this library; if not, write to the Free Software
  15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  16 //
  17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  18 //
  19
  20 #include <GeomAlgoAPI_STEPImportXCAF.h>
  21
  22 #include <BRep_Builder.hxx>
  23
  24 #include <Interface_EntityIterator.hxx>
  25 #include <Interface_Graph.hxx>
  26 #include <Interface_InterfaceModel.hxx>
  27
  28 #include <Quantity_Color.hxx>
  29
  30 #include <StepRepr_DescriptiveRepresentationItem.hxx>
  31 #include <StepRepr_ProductDefinitionShape.hxx>
  32 #include <StepRepr_PropertyDefinitionRepresentation.hxx>
  33 #include <StepRepr_Representation.hxx>
  34
  35 #include <TDataStd_Name.hxx>
  36 #include <TDF_ChildIDIterator.hxx>
  37 #include <TDocStd_Document.hxx>
  38 #include <TopExp.hxx>
  39 #include <TopExp_Explorer.hxx>
  40 #include <TopoDS.hxx>
  41 #include <Transfer_TransientProcess.hxx>
  42 #include <TransferBRep.hxx>
  43
  44 #include <XCAFApp_Application.hxx>
  45 #include <XCAFDoc_DocumentTool.hxx>
  46 #include <XCAFDoc_Location.hxx>
  47 #include <XCAFDoc_ShapeTool.hxx>
  48 #include <XSControl_TransferReader.hxx>
  49 #include <XSControl_WorkSession.hxx>
  50
  51 #include <Locale_Convert.h>
  52
  53 //=============================================================================
  54 TopoDS_Shape getShape(const Handle(Standard_Transient) &theEnti,
  55                       const Handle(Transfer_TransientProcess) &theTP)
  56 {
  57   TopoDS_Shape aResult;
  58   Handle(Transfer_Binder) aBinder = theTP->Find(theEnti);
  59
  60   if (aBinder.IsNull()) {
  61     return aResult;
  62   }
  63
  64   aResult = TransferBRep::ShapeResult(aBinder);
  65
  66   return aResult;
  67 }
  68
  69 //=============================================================================
  70 std::shared_ptr<GeomAPI_Shape> readAttributes(STEPCAFControl_Reader &theReader,
  71                                std::shared_ptr<ModelAPI_ResultBody> theResultBody,
  72                                const bool  theIsMaterials,
  73                                std::map< std::wstring,std::list<std::wstring>> &theMaterialShape,
  74                                std::string& theError)
  75 {
  76   // dummy XCAF Application to handle the STEP XCAF Document
  77   Handle(XCAFApp_Application) dummy_app = XCAFApp_Application::GetApplication();
  78   // XCAF Document to contain the STEP/IGES file itself
  79   Handle(TDocStd_Document) adoc;
  80
  81   dummy_app->NewDocument( TCollection_ExtendedString("MDTV-CAF"), adoc);
  82   // transfer STEP/IGES into the document, and get the main label
  83   theReader.Transfer(adoc);
  84   TDF_Label mainLabel = adoc->Main();
  85   Handle_XCAFDoc_ShapeTool shapeTool = XCAFDoc_DocumentTool::ShapeTool(mainLabel);
  86   Handle_XCAFDoc_ColorTool colorTool = XCAFDoc_DocumentTool::ColorTool(mainLabel);
  87   Handle(XCAFDoc_MaterialTool) materialTool = XCAFDoc_DocumentTool::MaterialTool(mainLabel);
  88   // traverse the labels recursively to set attributes on shapes
  89   setShapeAttributes(shapeTool, colorTool, materialTool, mainLabel,
  90                      TopLoc_Location(),theResultBody,theMaterialShape,false);
  91
  92   std::shared_ptr<GeomAPI_Shape> ageom =  setgeom(shapeTool,mainLabel,theError);
  93
  94   STEPControl_Reader aReader = theReader.ChangeReader();
  95
  96   // BEGIN: reading materials of sub-shapes from file
  97   if (theIsMaterials) {
  98     TopTools_IndexedMapOfShape anIndices;
  99     TopExp::MapShapes(ageom->impl<TopoDS_Shape>(), anIndices);
 100
 101     Handle(Interface_InterfaceModel) Model = aReader.WS()->Model();
 102     Handle(XSControl_TransferReader) TR = aReader.WS()->TransferReader();
 103     if (!TR.IsNull()) {
 104       Handle(Transfer_TransientProcess) TP = TR->TransientProcess();
 105
 106       Standard_Integer nb = Model->NbEntities();
 107
 108       for (Standard_Integer ie = 1; ie <= nb; ie++) {
 109         Handle(Standard_Transient) enti = Model->Value(ie);
 110
 111         // Store materials.
 112         storeMaterial(theResultBody,enti, anIndices, TP, mainLabel,theMaterialShape);
 113       }
 114     }
 115   }
 116   if (adoc->CanClose() == CDM_CCS_OK)
 117     adoc->Close();
 118   return ageom;
 119 }
 120
 121 //=============================================================================
 122 std::shared_ptr<GeomAPI_Shape> setgeom(const Handle(XCAFDoc_ShapeTool) &theShapeTool,
 123                                        const TDF_Label &theLabel,
 124                                        std::string& theError)
 125 {
 126   BRep_Builder aB;
 127   TopoDS_Compound aCompound;
 128   aB.MakeCompound(aCompound);
 129
 130   TDF_LabelSequence aFrshapes;
 131   theShapeTool->GetShapes(aFrshapes);
 132
 133   std::shared_ptr<GeomAPI_Shape> aGeomShape(new GeomAPI_Shape);
 134
 135   if (aFrshapes.Length() == 0) {
 136       aGeomShape->setImpl(new TopoDS_Shape());
 137       return aGeomShape;
 138   } else if (aFrshapes.Length() == 1) {
 139     TopoDS_Shape shape = theShapeTool->GetShape(aFrshapes.Value(1));
 140     aGeomShape->setImpl(new TopoDS_Shape(shape));
 141     return aGeomShape;
 142   } else {
 143     for (Standard_Integer i=1; i<aFrshapes.Length(); i++) {
 144       TopoDS_Shape aS = theShapeTool->GetShape(aFrshapes.Value(i));
 145       TDF_Label aLabel = theShapeTool->FindShape(aS, Standard_False);
 146       if ( (!aLabel.IsNull()) && (theShapeTool->IsShape(aLabel)) ) {
 147         if (theShapeTool->IsFree(aLabel) ) {
 148           if (aS.IsNull()) {
 149             continue;
 150           } else {
 151             if (!theShapeTool->IsReference(aLabel) ){
 152               for(TDF_ChildIterator anIt(aLabel); anIt.More(); anIt.Next()) {
 153                 aB.Add(aCompound, theShapeTool->GetShape(anIt.Value()) );
 154               }
 155             } else {
 156               aB.Add(aCompound, aS);
 157             }
 158           }
 159         }
 160       }
 161     }
 162
 163     TopoDS_Shape aShape = aCompound;
 164     // Check if any BRep entity has been read, there must be at least a vertex
 165     if (!TopExp_Explorer( aShape, TopAbs_VERTEX ).More()) {
 166       theError = "No geometrical data in the imported file.";
 167       std::shared_ptr<GeomAPI_Shape> aGeomShape(new GeomAPI_Shape);
 168       aGeomShape->setImpl(new TopoDS_Shape());
 169       return aGeomShape;
 170     }
 171
 172     aGeomShape->setImpl(new TopoDS_Shape(aShape));
 173     return aGeomShape;
 174   }
 175 }
 176 //=============================================================================
 177 void setShapeAttributes(const Handle(XCAFDoc_ShapeTool) &theShapeTool,
 178                         const Handle(XCAFDoc_ColorTool) &theColorTool,
 179                         const Handle(XCAFDoc_MaterialTool) &theMaterialTool,
 180                         const TDF_Label &theLabel,
 181                         const TopLoc_Location &theLoc,
 182                         std::shared_ptr<ModelAPI_ResultBody> theResultBody,
 183                         std::map< std::wstring,std::list<std::wstring>> &theMaterialShape,
 184                         bool theIsRef)
 185 {
 186   std::wstring aShapeName;
 187   Handle(TDataStd_Name) aN;
 188
 189   if (theLabel.FindAttribute(TDataStd_Name::GetID(), aN)) {
 190     TCollection_ExtendedString aName = aN->Get();
 191
 192     aShapeName =  Locale::Convert::toWString(TCollection_AsciiString(aName).ToCString()) ;
 193   }
 194
 195   TopLoc_Location aPartLoc = theLoc;
 196   Handle(XCAFDoc_Location) al;
 197   if (theLabel.FindAttribute(XCAFDoc_Location::GetID(), al)) {
 198     if (theIsRef)
 199       aPartLoc = aPartLoc * al->Get();
 200     else
 201       aPartLoc = al->Get();
 202   }
 203
 204   TDF_Label aRef;
 205   if (theShapeTool->IsReference(theLabel) && theShapeTool->GetReferredShape(theLabel, aRef)) {
 206
 207     setShapeAttributes( theShapeTool, theColorTool, theMaterialTool, aRef,
 208                         aPartLoc,theResultBody,theMaterialShape,true);
 209   }
 210
 211   if (theShapeTool->IsSimpleShape(theLabel) && (theIsRef || theShapeTool->IsFree(theLabel))) {
 212
 213     TopoDS_Shape aShape = theShapeTool->GetShape(theLabel);
 214
 215     std::shared_ptr<GeomAPI_Shape> aShapeGeom(new GeomAPI_Shape);
 216     if (!theLoc.IsIdentity()) {
 217         aShape.Move(theLoc);
 218     }
 219     aShapeGeom->setImpl(new TopoDS_Shape(aShape));
 220     aShapeName = theResultBody->addShapeName(aShapeGeom, aShapeName);
 221
 222
 223     aShape.Location(theIsRef ? theLoc : aPartLoc);
 224     int aDim =
 225       (aShape.ShapeType() == TopAbs_VERTEX) ?
 226         0 :
 227         (aShape.ShapeType() == TopAbs_EDGE || aShape.ShapeType() == TopAbs_WIRE) ?
 228         1 :
 229         (aShape.ShapeType() == TopAbs_FACE ||
 230          aShape.ShapeType() == TopAbs_SHELL) ? 2 :3;
 231
 232     Handle(TCollection_HAsciiString) aMatName;
 233     Handle(TCollection_HAsciiString) aMatDescription;
 234     Standard_Real aMatDensity;
 235     Handle(TCollection_HAsciiString) aMatDensName;
 236     Handle(TCollection_HAsciiString) aMatDensValType;
 237
 238     if (theMaterialTool->GetMaterial(theLabel, aMatName, aMatDescription, aMatDensity,
 239                                  aMatDensName, aMatDensValType)) {
 240       std::wstring aNameMaterial = Locale::Convert::toWString(aMatName->ToCString());
 241
 242       theMaterialShape[aNameMaterial].push_back(aShapeName);
 243     }
 244
 245     Quantity_Color aCol;
 246     if (theColorTool->GetColor(theLabel, XCAFDoc_ColorGen, aCol)) {
 247       double r = aCol.Red(), g = aCol.Green(), b = aCol.Blue();
 248       std::vector<int> ColRGB = {int(r*255),int(g*255),int(b*255)};
 249       theResultBody->addShapeColor(aShapeName, ColRGB);
 250     } else if (theColorTool->GetColor(theLabel, XCAFDoc_ColorSurf, aCol)) {
 251       double r = aCol.Red(), g = aCol.Green(), b = aCol.Blue();
 252       std::vector<int> aColRGB = {int(r*255),int(g*255),int(b*255)};
 253       theResultBody->addShapeColor(aShapeName, aColRGB);
 254     } else if (theColorTool->GetColor(theLabel, XCAFDoc_ColorCurv, aCol)) {
 255       double aR = aCol.Red(), aG = aCol.Green(), aB = aCol.Blue();
 256       std::vector<int> aColRGB = {int(aR*255),int(aG*255),int(aB*255)};
 257       theResultBody->addShapeColor(aShapeName, aColRGB);
 258     }
 259     // check explicit coloring of boundary entities
 260     if (aDim == 3) {
 261       TopExp_Explorer aXp2(aShape, TopAbs_FACE);
 262       while (aXp2.More()) {
 263         if (theColorTool->GetColor(aXp2.Current(), XCAFDoc_ColorGen, aCol) ||
 264           theColorTool->GetColor(aXp2.Current(), XCAFDoc_ColorSurf, aCol) ||
 265           theColorTool->GetColor(aXp2.Current(), XCAFDoc_ColorCurv, aCol)) {
 266           double aR = aCol.Red(), aG = aCol.Green(), aB = aCol.Blue();
 267           TopoDS_Face aFace = TopoDS::Face(aXp2.Current());
 268           std::vector<int> aColRGB = {int(aR*255),int(aG*255),int(aB*255)};
 269           std::wstringstream aNameFace;
 270           TopoDS_Shape aShapeface = aXp2.Current();
 271           if (!theLoc.IsIdentity()){
 272                   aShapeface.Move(theLoc);
 273           }
 274           aShapeGeom->setImpl(new TopoDS_Shape(aShapeface));
 275           theResultBody->addShapeColor(
 276           theResultBody->addShapeName(aShapeGeom , aNameFace.str()), aColRGB);
 277         }
 278         aXp2.Next();
 279       }
 280     }
 281   } else {
 282     if (!theShapeTool->IsReference(theLabel) ){
 283       TopoDS_Shape aShape = theShapeTool->GetShape(theLabel);
 284
 285       std::shared_ptr<GeomAPI_Shape> aShapeGeom(new GeomAPI_Shape);
 286       if (!theLoc.IsIdentity()){
 287           aShape.Move(theLoc);
 288       }
 289       aShapeGeom->setImpl(new TopoDS_Shape(aShape));
 290       aShapeName = theResultBody->addShapeName(aShapeGeom, aShapeName);
 291     }
 292     for(TDF_ChildIterator anIt(theLabel); anIt.More(); anIt.Next()) {
 293
 294       setShapeAttributes( theShapeTool, theColorTool, theMaterialTool,
 295                          anIt.Value(), aPartLoc,theResultBody,theMaterialShape, theIsRef);
 296     }
 297   }
 298 }
 299
 300 //=============================================================================
 301 void storeMaterial( std::shared_ptr<ModelAPI_ResultBody>    theResultBody,
 302                     const Handle(Standard_Transient)        &theEnti,
 303                     const TopTools_IndexedMapOfShape        &theIndices,
 304                     const Handle(Transfer_TransientProcess) &theTP,
 305                     const TDF_Label                         &theShapeLabel,
 306                     std::map< std::wstring, std::list<std::wstring>> &theMaterialShape )
 307 {
 308   // Treat Product Definition Shape only.
 309   Handle(StepRepr_ProductDefinitionShape) aPDS =
 310     Handle(StepRepr_ProductDefinitionShape)::DownCast(theEnti);
 311   Handle(StepBasic_ProductDefinition)     aProdDef;
 312
 313   if (!aPDS.IsNull()) {
 314     // Product Definition Shape ==> Product Definition
 315     aProdDef = aPDS->Definition().ProductDefinition();
 316   }
 317
 318   if (!aProdDef.IsNull()) {
 319     // Product Definition ==> Property Definition
 320     const Interface_Graph    &aGraph = theTP->Graph();
 321     Interface_EntityIterator  aSubs  = aGraph.Sharings(aProdDef);
 322     TopoDS_Shape              aShape;
 323
 324     for(aSubs.Start(); aSubs.More(); aSubs.Next()) {
 325       Handle(StepRepr_PropertyDefinition) aPropD =
 326         Handle(StepRepr_PropertyDefinition)::DownCast(aSubs.Value());
 327
 328       if (!aPropD.IsNull()) {
 329         // Property Definition ==> Representation.
 330         Interface_EntityIterator aSubs1 = aGraph.Sharings(aPropD);
 331
 332         for(aSubs1.Start(); aSubs1.More(); aSubs1.Next()) {
 333           Handle(StepRepr_PropertyDefinitionRepresentation) aPDR =
 334             Handle(StepRepr_PropertyDefinitionRepresentation)::
 335             DownCast(aSubs1.Value());
 336
 337           if (!aPDR.IsNull()) {
 338             // Property Definition ==> Material Name.
 339             Handle(StepRepr_Representation) aRepr = aPDR->UsedRepresentation();
 340
 341             if (!aRepr.IsNull()) {
 342               Standard_Integer anIr;
 343
 344               for(anIr = 1; anIr <= aRepr->NbItems(); anIr++) {
 345                 Handle(StepRepr_RepresentationItem) aRI = aRepr->ItemsValue(anIr);
 346                 Handle(StepRepr_DescriptiveRepresentationItem) aDRI =
 347                   Handle(StepRepr_DescriptiveRepresentationItem)::DownCast(aRI);
 348
 349                 if (!aDRI.IsNull()) {
 350                   // Get shape from Product Definition
 351                   Handle(TCollection_HAsciiString) aMatName = aDRI->Name();
 352                   if (!aMatName.IsNull()) {
 353                     TCollection_ExtendedString
 354                       aMatNameExt (aMatName->ToCString());
 355
 356                     if (aShape.IsNull()) {
 357                       //Get the shape.
 358                       aShape = getShape(aProdDef, theTP);
 359                       if (aShape.IsNull()) {
 360                         return;
 361                       }
 362                     }
 363
 364                     // as PRODUCT can be included in the main shape
 365                     // several times, we look here for all iclusions.
 366                     Standard_Integer anISub, aNbSubs = theIndices.Extent();
 367
 368                     for (anISub = 1; anISub <= aNbSubs; anISub++) {
 369                       TopoDS_Shape aSub = theIndices.FindKey(anISub);
 370
 371                       if (aSub.IsPartner(aShape)) {
 372                         std::shared_ptr<GeomAPI_Shape> aShapeGeom(new GeomAPI_Shape);
 373                         aShapeGeom->setImpl(new TopoDS_Shape(aSub));
 374                         std::wstring aNom = theResultBody->findShapeName(aShapeGeom);
 375                         std::wstring aMName= Locale::Convert::toWString(aMatName->ToCString());
 376                         theMaterialShape[aMName].push_back(aNom);
 377
 378                       }
 379                     }
 380                   }
 381                 }
 382               }
 383             }
 384           }
 385         }
 386       }
 387     }
 388   }
 389 }
 390