// Copyright (C) 2007-2010 CEA/DEN, EDF R&D, OPEN CASCADE // // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN, // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS // // This library is free software; you can redistribute it and/or // modify it under the terms of the GNU Lesser General Public // License as published by the Free Software Foundation; either // version 2.1 of the License. // // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU // Lesser General Public License for more details. // // You should have received a copy of the GNU Lesser General Public // License along with this library; if not, write to the Free Software // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA // // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com // // File: STEPImport.cxx // Created: Wed May 19 14:41:10 2004 // Author: Pavel TELKOV #include "utilities.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include // CAREFUL ! position of this file is critic : see Lucien PIGNOLONI / OCC #ifdef WNT #if defined STEPIMPORT_EXPORTS || defined STEPImport_EXPORTS #if defined WIN32 #define STEPIMPORT_EXPORT __declspec( dllexport ) #else #define STEPIMPORT_EXPORT #endif #else #if defined WIN32 #define STEPIMPORT_EXPORT __declspec( dllimport ) #else #define STEPIMPORT_EXPORT #endif #endif #else #define STEPIMPORT_EXPORT #endif //============================================================================= /*! * Import() */ //============================================================================= extern "C" { STEPIMPORT_EXPORT TopoDS_Shape Import (const TCollection_AsciiString& theFileName, const TCollection_AsciiString& /*theFormatName*/, TCollection_AsciiString& theError, const TDF_Label& theShapeLabel) { MESSAGE("Import STEP model from file " << theFileName.ToCString()); // Set "C" numeric locale to save numbers correctly Kernel_Utils::Localizer loc; TopoDS_Shape aResShape; //VRV: OCC 4.0 migration STEPControl_Reader aReader; //VSR: 16/09/09: Convert to METERS Interface_Static::SetCVal("xstep.cascade.unit","M"); Interface_Static::SetIVal("read.step.ideas", 1); Interface_Static::SetIVal("read.step.nonmanifold", 1); //VRV: OCC 4.0 migration TopoDS_Compound compound; BRep_Builder B; B.MakeCompound(compound); try { #if (OCC_VERSION_MAJOR << 16 | OCC_VERSION_MINOR << 8 | OCC_VERSION_MAINTENANCE) > 0x060100 OCC_CATCH_SIGNALS; #endif IFSelect_ReturnStatus status = aReader.ReadFile(theFileName.ToCString()); if (status == IFSelect_RetDone) { Standard_Boolean failsonly = Standard_False; aReader.PrintCheckLoad(failsonly, IFSelect_ItemsByEntity); /* Root transfers */ Standard_Integer nbr = aReader.NbRootsForTransfer(); aReader.PrintCheckTransfer(failsonly, IFSelect_ItemsByEntity); for (Standard_Integer n = 1; n <= nbr; n++) { Standard_Boolean ok = aReader.TransferRoot(n); /* Collecting resulting entities */ Standard_Integer nbs = aReader.NbShapes(); if (!ok || nbs == 0) { // THROW_SALOME_CORBA_EXCEPTION("Exception catched in GEOM_Gen_i::ImportStep", SALOME::BAD_PARAM); continue; // skip empty root } /* For a single entity */ else if (nbr == 1 && nbs == 1) { aResShape = aReader.Shape(1); break; } for (Standard_Integer i = 1; i <= nbs; i++) { TopoDS_Shape aShape = aReader.Shape(i); if (aShape.IsNull()) { // THROW_SALOME_CORBA_EXCEPTION("Null shape in GEOM_Gen_i::ImportStep", SALOME::BAD_PARAM) ; //return aResShape; continue; } else { B.Add(compound, aShape); } } } if (aResShape.IsNull()) aResShape = compound; // BEGIN: Store names of sub-shapes from file TopTools_IndexedMapOfShape anIndices; TopExp::MapShapes(aResShape, anIndices); Handle(Interface_InterfaceModel) Model = aReader.WS()->Model(); Handle(XSControl_TransferReader) TR = aReader.WS()->TransferReader(); if (!TR.IsNull()) { Handle(Transfer_TransientProcess) TP = TR->TransientProcess(); Handle(Standard_Type) tPD = STANDARD_TYPE(StepBasic_ProductDefinition); Standard_Integer nb = Model->NbEntities(); for (Standard_Integer ie = 1; ie <= nb; ie++) { Handle(Standard_Transient) enti = Model->Value(ie); if (enti->DynamicType() != tPD) continue; Handle(StepBasic_ProductDefinition) PD = Handle(StepBasic_ProductDefinition)::DownCast(enti); if (PD.IsNull()) continue; Handle(StepBasic_Product) Prod = PD->Formation()->OfProduct(); if (Prod->Name()->UsefullLength() <= 0) continue; Handle(TCollection_HAsciiString) aName = Prod->Name(); TCollection_ExtendedString aNameExt (aName->ToCString()); // special check to pass names like "Open CASCADE STEP translator 6.3 1" TCollection_AsciiString aSkipName ("Open CASCADE STEP translator"); if (aName->Length() >= aSkipName.Length()) { if (aName->String().SubString(1, aSkipName.Length()).IsEqual(aSkipName)) continue; } // find target shape Handle(Transfer_Binder) binder = TP->Find(enti); if (binder.IsNull()) continue; TopoDS_Shape S = TransferBRep::ShapeResult(binder); if (S.IsNull()) continue; // as PRODUCT can be included in the main shape // several times, we look here for all iclusions. Standard_Integer isub, nbSubs = anIndices.Extent(); for (isub = 1; isub <= nbSubs; isub++) { TopoDS_Shape aSub = anIndices.FindKey(isub); if (aSub.IsPartner(S)) { // create label and set shape TDF_Label L; TDF_TagSource aTag; L = aTag.NewChild(theShapeLabel); TNaming_Builder tnBuild (L); //tnBuild.Generated(S); tnBuild.Generated(aSub); // set a name TDataStd_Name::Set(L, aNameExt); } } } } // END: Store names } else { // switch (status) { // case IFSelect_RetVoid: // theError = "Nothing created or No data to process"; // break; // case IFSelect_RetError: // theError = "Error in command or input data"; // break; // case IFSelect_RetFail: // theError = "Execution was run, but has failed"; // break; // case IFSelect_RetStop: // theError = "Execution has been stopped. Quite possible, an exception was raised"; // break; // default: // break; // } theError = "Wrong format of the imported file. Can't import file."; aResShape.Nullify(); } } catch (Standard_Failure) { Handle(Standard_Failure) aFail = Standard_Failure::Caught(); theError = aFail->GetMessageString(); aResShape.Nullify(); } // Return previous locale return aResShape; } }