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