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/*=========================================================================
Program: Visualization Toolkit
Module: $RCSfile: vtkXMLImageDataReader.cxx,v $
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#include "vtkXMLImageDataReader.h"
#include "vtkDataArray.h"
#include "vtkImageData.h"
#include "vtkObjectFactory.h"
#include "vtkPointData.h"
#include "vtkXMLDataElement.h"
#include "vtkInformation.h"
#include "vtkStreamingDemandDrivenPipeline.h"
vtkCxxRevisionMacro(vtkXMLImageDataReader, "$Revision: 1.11 $");
vtkStandardNewMacro(vtkXMLImageDataReader);
//----------------------------------------------------------------------------
vtkXMLImageDataReader::vtkXMLImageDataReader()
{
vtkImageData *output = vtkImageData::New();
this->SetOutput(output);
// Releasing data for pipeline parallism.
// Filters will know it is empty.
output->ReleaseData();
output->Delete();
}
//----------------------------------------------------------------------------
vtkXMLImageDataReader::~vtkXMLImageDataReader()
{
}
//----------------------------------------------------------------------------
void vtkXMLImageDataReader::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
}
//----------------------------------------------------------------------------
void vtkXMLImageDataReader::SetOutput(vtkImageData *output)
{
this->GetExecutive()->SetOutputData(0, output);
}
//----------------------------------------------------------------------------
vtkImageData* vtkXMLImageDataReader::GetOutput()
{
return this->GetOutput(0);
}
//----------------------------------------------------------------------------
vtkImageData* vtkXMLImageDataReader::GetOutput(int idx)
{
return vtkImageData::SafeDownCast( this->GetOutputDataObject(idx) );
}
//----------------------------------------------------------------------------
const char* vtkXMLImageDataReader::GetDataSetName()
{
return "ImageData";
}
//----------------------------------------------------------------------------
void vtkXMLImageDataReader::SetOutputExtent(int* extent)
{
this->GetOutput()->SetExtent(extent);
}
//----------------------------------------------------------------------------
int vtkXMLImageDataReader::ReadPrimaryElement(vtkXMLDataElement* ePrimary)
{
if(!this->Superclass::ReadPrimaryElement(ePrimary)) { return 0; }
// Get the image's origin.
if(ePrimary->GetVectorAttribute("Origin", 3, this->Origin) != 3)
{
this->Origin[0] = 0;
this->Origin[1] = 0;
this->Origin[2] = 0;
}
// Get the image's spacing.
if(ePrimary->GetVectorAttribute("Spacing", 3, this->Spacing) != 3)
{
this->Spacing[0] = 1;
this->Spacing[1] = 1;
this->Spacing[2] = 1;
}
return 1;
}
//----------------------------------------------------------------------------
// Note that any changes (add or removing information) made to this method
// should be replicated in CopyOutputInformation
void vtkXMLImageDataReader::SetupOutputInformation(vtkInformation *outInfo)
{
this->Superclass::SetupOutputInformation(outInfo);
outInfo->Set(vtkDataObject::ORIGIN(), this->Origin, 3);
outInfo->Set(vtkDataObject::SPACING(), this->Spacing, 3);
}
//----------------------------------------------------------------------------
void vtkXMLImageDataReader::CopyOutputInformation(vtkInformation *outInfo, int port)
{
this->Superclass::CopyOutputInformation(outInfo, port);
vtkInformation *localInfo = this->GetExecutive()->GetOutputInformation( port );
if ( localInfo->Has(vtkDataObject::ORIGIN()) )
{
outInfo->CopyEntry( localInfo, vtkDataObject::ORIGIN() );
}
if ( localInfo->Has(vtkDataObject::SPACING()) )
{
outInfo->CopyEntry( localInfo, vtkDataObject::SPACING() );
}
}
//----------------------------------------------------------------------------
int vtkXMLImageDataReader::FillOutputPortInformation(int, vtkInformation* info)
{
info->Set(vtkDataObject::DATA_TYPE_NAME(), "vtkImageData");
return 1;
}
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