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/*=========================================================================
Program: Visualization Toolkit
Module: $RCSfile: vtkDataSetToImageFilter.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 "vtkDataSetToImageFilter.h"
#include "vtkDataSet.h"
#include "vtkImageData.h"
#include "vtkInformation.h"
vtkCxxRevisionMacro(vtkDataSetToImageFilter, "$Revision: 1.6 $");
//----------------------------------------------------------------------------
vtkDataSetToImageFilter::vtkDataSetToImageFilter()
{
this->NumberOfRequiredInputs = 1;
this->SetNumberOfInputPorts(1);
}
//----------------------------------------------------------------------------
vtkDataSetToImageFilter::~vtkDataSetToImageFilter()
{
}
//----------------------------------------------------------------------------
// Specify the input data or filter.
void vtkDataSetToImageFilter::SetInput(vtkDataSet *input)
{
this->vtkProcessObject::SetNthInput(0, input);
}
//----------------------------------------------------------------------------
// Specify the input data or filter.
vtkDataSet *vtkDataSetToImageFilter::GetInput()
{
if (this->NumberOfInputs < 1)
{
return NULL;
}
return (vtkDataSet *)(this->Inputs[0]);
}
//----------------------------------------------------------------------------
// All the DataSetToImageFilters require all their input.
void vtkDataSetToImageFilter::ComputeInputUpdateExtents(
vtkDataObject *data)
{
vtkImageData *output = (vtkImageData *)data;
vtkDataSet *input = this->GetInput();
int *ext;
if (input == NULL)
{
return;
}
// Lets just check to see if the outputs UpdateExtent is valid.
ext = output->GetUpdateExtent();
if (ext[0] > ext[1] || ext[2] > ext[3] || ext[4] > ext[5])
{
return;
}
input->SetUpdateExtent(0, 1, 0);
}
//----------------------------------------------------------------------------
int
vtkDataSetToImageFilter
::FillInputPortInformation(int port, vtkInformation* info)
{
if(!this->Superclass::FillInputPortInformation(port, info))
{
return 0;
}
info->Set(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE(), "vtkDataSet");
return 1;
}
//----------------------------------------------------------------------------
void vtkDataSetToImageFilter::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os,indent);
}
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