src/Plugins/ParaSMESHCorba/vtkParaSMESHCorbaSource.cxx

   1 // Copyright (C) 2010-2016  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 "vtkParaSMESHCorbaSource.h"
  21
  22 #include <SALOME_LifeCycleCORBA.hxx>
  23 #include <SalomeApp_Application.h>
  24
  25 #include "vtkStreamingDemandDrivenPipeline.h"
  26 #include "vtkInformationVector.h"
  27 #include "vtkInformation.h"
  28 #include "vtkMultiBlockDataSet.h"
  29 #include "vtkObjectFactory.h"
  30 #include "vtkUnstructuredGridReader.h"
  31
  32 #include "SMDS_UnstructuredGrid.hxx"
  33 #include "SMESH_Mesh.hh"
  34
  35 #include <algorithm>
  36
  37 vtkStandardNewMacro(vtkParaSMESHCorbaSource);
  38
  39 void *vtkParaSMESHCorbaSource::Orb=0;
  40
  41 //----------------------------------------------
  42 vtkParaSMESHCorbaSource::vtkParaSMESHCorbaSource() {
  43   if(!Orb) {
  44     CORBA::ORB_var *OrbC=new CORBA::ORB_var;
  45     int argc=0;
  46     *OrbC=CORBA::ORB_init(argc,0);
  47     this->Orb=OrbC;
  48   }
  49   this->SetNumberOfInputPorts(0);
  50   this->SetNumberOfOutputPorts(1);
  51 }
  52
  53 //----------------------------------------------
  54 vtkParaSMESHCorbaSource::~vtkParaSMESHCorbaSource() {
  55
  56 }
  57
  58 //----------------------------------------------
  59 const char* vtkParaSMESHCorbaSource::GetIORCorba()
  60 {
  61   return &IOR[0];
  62 }
  63
  64 //----------------------------------------------
  65 void vtkParaSMESHCorbaSource::SetIORCorba(char *ior) {
  66   if(!ior)
  67     return;
  68   if(ior[0]=='\0')
  69     return;
  70   int length=strlen(ior);
  71   IOR.resize(length+1);
  72   std::copy(ior,ior+length+1,&IOR[0]);
  73   this->Modified();
  74 }
  75
  76 //----------------------------------------------
  77 int vtkParaSMESHCorbaSource::ProcessRequest(vtkInformation* request,
  78     vtkInformationVector** inputVector,
  79     vtkInformationVector* outputVector) {
  80   // generate the data
  81   if(request->Has(vtkDemandDrivenPipeline::REQUEST_DATA())) {
  82     return this->RequestData(request, inputVector, outputVector);
  83   }
  84   return this->Superclass::ProcessRequest(request, inputVector, outputVector);
  85 }
  86
  87 //----------------------------------------------
  88 int vtkParaSMESHCorbaSource::FillOutputPortInformation(int vtkNotUsed(port), vtkInformation* info) {
  89   info->Set(vtkDataObject::DATA_TYPE_NAME(), "vtkMultiBlockDataSet");
  90   return 1;
  91 }
  92
  93 //----------------------------------------------
  94 int vtkParaSMESHCorbaSource::RequestData(vtkInformation* request, vtkInformationVector** inInfo, vtkInformationVector* outputVector) {
  95   vtkInformation *outInfo=outputVector->GetInformationObject(0);
  96   vtkMultiBlockDataSet *ret0=vtkMultiBlockDataSet::SafeDownCast(outInfo->Get(vtkDataObject::DATA_OBJECT()));
  97   double reqTS = 0;
  98   if(outInfo->Has(vtkStreamingDemandDrivenPipeline::UPDATE_TIME_STEP()))
  99     reqTS = outInfo->Get(vtkStreamingDemandDrivenPipeline::UPDATE_TIME_STEP());
 100
 101   try {
 102     CORBA::ORB_var *OrbC=(CORBA::ORB_var *)this->Orb;
 103     CORBA::Object_var obj=(*OrbC)->string_to_object(&IOR[0]);
 104     SMESH::SMESH_Mesh_var meshObj = SMESH::SMESH_Mesh::_narrow(obj);
 105     if(!CORBA::is_nil(meshObj)) {
 106       SALOMEDS::TMPFile*  SeqFile = meshObj->GetVtkUgStream();
 107       int aSize = SeqFile->length();
 108       char* buf = (char*)SeqFile->NP_data();
 109       vtkUnstructuredGridReader* aReader = vtkUnstructuredGridReader::New();
 110       aReader->ReadFromInputStringOn();
 111       aReader->SetBinaryInputString(buf, aSize);
 112       aReader->Update();
 113       vtkUnstructuredGrid* ret = vtkUnstructuredGrid::New();
 114       ret->ShallowCopy(aReader->GetOutput());
 115       aReader->Delete();
 116       if(!ret) {
 117         vtkErrorMacro("On smesh object CORBA fetching an error occurs !");
 118         return 0;
 119       }
 120
 121       ret0->SetBlock(0, ret);
 122       ret->Delete();
 123       return 1;
 124     }
 125
 126     vtkErrorMacro("Unrecognized CORBA reference!");
 127   }
 128   catch(CORBA::Exception&) {
 129     vtkErrorMacro("On fetching object error occurs");
 130   }
 131   return 0;
 132 }
 133
 134
 135