src/Plugins/ParaGEOMCorba/plugin/ParaGEOMCorbaModule/vtkParaGEOMCorbaSource.cxx

   1 // Copyright (C) 2010-2021  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 "vtkParaGEOMCorbaSource.h"
  21
  22 #include "vtkMultiBlockDataSet.h"
  23 #include "vtkUnstructuredGrid.h"
  24 //
  25 #include "vtkStreamingDemandDrivenPipeline.h"
  26 #include "vtkInformationVector.h"
  27 #include "vtkObjectFactory.h"
  28 #include "vtkInformation.h"
  29
  30 #include <SALOME_LifeCycleCORBA.hxx>
  31 #include <SALOME_NamingService.hxx>
  32 #include <TopoDS_Shape.hxx>
  33 #include "vtkPolyData.h"
  34 #include "GEOM_Gen.hh"
  35 #include "GEOM_Client.hxx"
  36 #include "OCC2VTK_Tools.h"
  37
  38 #include <algorithm>
  39
  40 //----------------------------------------------
  41 vtkStandardNewMacro(vtkParaGEOMCorbaSource)
  42
  43 void *vtkParaGEOMCorbaSource::Orb=0;
  44
  45 //----------------------------------------------
  46 vtkParaGEOMCorbaSource::vtkParaGEOMCorbaSource():Deflection(0.0)
  47 {
  48   if(!Orb) {
  49     CORBA::ORB_var *OrbC=new CORBA::ORB_var;
  50     int argc=0;
  51     *OrbC=CORBA::ORB_init(argc,0);
  52     this->Orb=OrbC;
  53   }
  54   this->SetNumberOfInputPorts(0);
  55   this->SetNumberOfOutputPorts(1);
  56 }
  57
  58 //----------------------------------------------
  59 vtkParaGEOMCorbaSource::~vtkParaGEOMCorbaSource() {
  60 }
  61
  62 //----------------------------------------------
  63 const char* vtkParaGEOMCorbaSource::GetIORCorba()
  64 {
  65   return &IOR[0];
  66 }
  67
  68 //----------------------------------------------
  69 void vtkParaGEOMCorbaSource::SetIORCorba(char *ior) {
  70   if(!ior)
  71     return;
  72   if(ior[0]=='\0')
  73     return;
  74   int length=strlen(ior);
  75   IOR.resize(length+1);
  76   std::copy(ior,ior+length+1,&IOR[0]);
  77   this->Modified();
  78 }
  79
  80 //----------------------------------------------
  81 int vtkParaGEOMCorbaSource::ProcessRequest(vtkInformation* request,
  82     vtkInformationVector** inputVector,
  83     vtkInformationVector* outputVector) {
  84   // generate the data
  85   if(request->Has(vtkDemandDrivenPipeline::REQUEST_DATA())) {
  86     return this->RequestData(request, inputVector, outputVector);
  87   }
  88   return this->Superclass::ProcessRequest(request, inputVector, outputVector);
  89 }
  90
  91 //----------------------------------------------
  92 int vtkParaGEOMCorbaSource::FillOutputPortInformation(int vtkNotUsed(port), vtkInformation* info) {
  93   info->Set(vtkDataObject::DATA_TYPE_NAME(), "vtkMultiBlockDataSet");
  94   return 1;
  95 }
  96
  97 //----------------------------------------------
  98 int vtkParaGEOMCorbaSource::RequestData(vtkInformation* /*request*/, vtkInformationVector** /*inInfo*/, vtkInformationVector* outputVector) {
  99   vtkInformation *outInfo=outputVector->GetInformationObject(0);
 100   vtkMultiBlockDataSet *ret0=vtkMultiBlockDataSet::SafeDownCast(outInfo->Get(vtkDataObject::DATA_OBJECT()));
 101   /*double reqTS = 0; // todo: unused
 102   if(outInfo->Has(vtkStreamingDemandDrivenPipeline::UPDATE_TIME_STEP()))
 103     reqTS = outInfo->Get(vtkStreamingDemandDrivenPipeline::UPDATE_TIME_STEP());
 104   */
 105   try {
 106     //Client request on ORB.
 107     CORBA::ORB_var *OrbC=(CORBA::ORB_var *)this->Orb;
 108     CORBA::Object_var obj=(*OrbC)->string_to_object(&IOR[0]);
 109     GEOM::GEOM_Object_var geomObj = GEOM::GEOM_Object::_narrow(obj);
 110
 111     if(!CORBA::is_nil(geomObj)) {
 112       SALOME_NamingService ns(*OrbC);
 113       SALOME_LifeCycleCORBA aLCC(&ns);
 114       Engines::EngineComponent_var aComponent = aLCC.FindOrLoad_Component("FactoryServer","GEOM");
 115       GEOM::GEOM_Gen_var geomGen = GEOM::GEOM_Gen::_narrow(aComponent);
 116       if ( !CORBA::is_nil( geomGen ) ) {
 117         TopoDS_Shape aTopoDSShape = GEOM_Client::get_client().GetShape( geomGen, geomObj );
 118
 119         if ( !aTopoDSShape.IsNull() ) {
 120           vtkPolyData *ret=GEOM::GetVTKData(aTopoDSShape, this->Deflection);
 121           if(!ret) {
 122             vtkErrorMacro("On geom object CORBA fetching an error occurs !");
 123             return 0;
 124           }
 125           ret0->SetBlock(0,ret);
 126           ret->Delete();
 127           return 1;
 128         }
 129       }
 130     }
 131     vtkErrorMacro("Unrecognized CORBA reference!");
 132   }
 133   catch(CORBA::Exception& ex) {
 134     vtkErrorMacro("On fetching object error occurs");
 135   }
 136   return 0;
 137 }
 138
 139 //----------------------------------------------
 140 void vtkParaGEOMCorbaSource::PrintSelf(ostream& os, vtkIndent indent) {
 141   this->Superclass::PrintSelf( os, indent );
 142   os << "Deflection: " << this->Deflection << "\n";
 143 }
 144