lib/cpPlugins/Plugins/PolyDataReader.cxx

   1 #include <cpPlugins/Plugins/PolyDataReader.h>
   2 #include <cpPlugins/Interface/PolyData.h>
   3
   4 #include <vtkErrorCode.h>
   5 #include <vtkPolyDataReader.h>
   6
   7 // -------------------------------------------------------------------------
   8 std::string cpPlugins::Plugins::PolyDataReader::
   9 GetClassName( ) const
  10 {
  11   return( "cpPlugins::Plugins::PolyDataReader" );
  12 }
  13
  14 // -------------------------------------------------------------------------
  15 cpPlugins::Plugins::PolyDataReader::
  16 PolyDataReader( )
  17   : Superclass( )
  18 {
  19   this->SetNumberOfOutputs( 1 );
  20   this->_MakeOutput< cpPlugins::Interface::PolyData >( 0 );
  21
  22   using namespace cpPlugins::Interface;
  23   this->m_DefaultParameters.Configure( Parameters::String, "FileName" );
  24   this->m_Parameters = this->m_DefaultParameters;
  25 }
  26
  27 // -------------------------------------------------------------------------
  28 cpPlugins::Plugins::PolyDataReader::
  29 ~PolyDataReader( )
  30 {
  31 }
  32
  33 // -------------------------------------------------------------------------
  34 std::string cpPlugins::Plugins::PolyDataReader::
  35 _GenerateData( )
  36 {
  37   // Get filename
  38   using namespace cpPlugins::Interface;
  39   Parameters::TString fname =
  40     this->m_Parameters.GetValueAsString( "FileName" );
  41
  42   // Create a possible reader
  43   vtkPolyDataReader* reader =
  44     dynamic_cast< vtkPolyDataReader* >( this->m_Reader.GetPointer( ) );
  45   if( reader == NULL )
  46   {
  47     this->m_Reader = vtkSmartPointer< vtkPolyDataReader >::New( );
  48     reader =
  49       dynamic_cast< vtkPolyDataReader* >( this->m_Reader.GetPointer( ) );
  50
  51   } // fi
  52   reader->SetFileName( fname.c_str( ) );
  53   reader->Update( );
  54   unsigned long error = reader->GetErrorCode( );
  55   if( error == vtkErrorCode::NoError )
  56   {
  57     if( this->m_Outputs[ 0 ].IsNotNull( ) )
  58     {
  59       cpPlugins::Interface::PolyData* pdata =
  60         dynamic_cast< cpPlugins::Interface::PolyData* >(
  61           this->m_Outputs[ 0 ].GetPointer( )
  62           );
  63       if( pdata != NULL )
  64         pdata->SetRealDataObject( reader->GetOutput( ) );
  65
  66     } // fi
  67     return( "" );
  68   }
  69   else
  70     return( vtkErrorCode::GetStringFromErrorCode( error ) );
  71 }
  72
  73 // eof - $RCSfile$