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/*=========================================================================
Program: VMTK
Module: $RCSfile: vtkvmtkGrayscaleMorphologyImageFilter.cxx,v $
Language: C++
Date: $Date: 2006/04/06 16:48:25 $
Version: $Revision: 1.1 $
Copyright (c) Luca Antiga, David Steinman. All rights reserved.
See LICENCE file for details.
Portions of this code are covered under the VTK copyright.
See VTKCopyright.txt or http://www.kitware.com/VTKCopyright.htm
for details.
Portions of this code are covered under the ITK copyright.
See ITKCopyright.txt or http://www.itk.org/HTML/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 notices for more information.
=========================================================================*/
#include "vtkvmtkGrayscaleMorphologyImageFilter.h"
#include "vtkImageData.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkObjectFactory.h"
#include "vtkvmtkITKFilterUtilities.h"
#include "itkBinaryBallStructuringElement.h"
#include "itkGrayscaleMorphologicalClosingImageFilter.h"
#include "itkGrayscaleMorphologicalOpeningImageFilter.h"
#include "itkGrayscaleDilateImageFilter.h"
#include "itkGrayscaleErodeImageFilter.h"
vtkStandardNewMacro(vtkvmtkGrayscaleMorphologyImageFilter);
vtkvmtkGrayscaleMorphologyImageFilter::vtkvmtkGrayscaleMorphologyImageFilter()
{
this->BallRadius[0] = this->BallRadius[1] = this->BallRadius[2] = 1;
this->Operation = ERODE;
}
vtkvmtkGrayscaleMorphologyImageFilter::~vtkvmtkGrayscaleMorphologyImageFilter()
{
}
int vtkvmtkGrayscaleMorphologyImageFilter::RequestInformation (
vtkInformation * vtkNotUsed(request),
vtkInformationVector **inputVector,
vtkInformationVector *outputVector)
{
vtkInformation *outInfo = outputVector->GetInformationObject(0);
vtkDataObject::SetPointDataActiveScalarInfo(outInfo, VTK_FLOAT, -1);
return 1;
}
void vtkvmtkGrayscaleMorphologyImageFilter::SimpleExecute(vtkImageData *input, vtkImageData *output)
{
typedef float PixelType;
const int Dimension = 3;
typedef itk::Image<PixelType, Dimension> ImageType;
ImageType::Pointer inImage = ImageType::New();
vtkvmtkITKFilterUtilities::VTKToITKImage<ImageType>(input,inImage);
typedef itk::BinaryBallStructuringElement<PixelType, Dimension> KernelType;
typedef itk::GrayscaleMorphologicalClosingImageFilter<ImageType, ImageType, KernelType> ClosingFilterType;
typedef itk::GrayscaleMorphologicalOpeningImageFilter<ImageType, ImageType, KernelType> OpeningFilterType;
typedef itk::GrayscaleErodeImageFilter<ImageType, ImageType, KernelType> ErodeFilterType;
typedef itk::GrayscaleDilateImageFilter<ImageType, ImageType, KernelType> DilateFilterType;
KernelType ball;
KernelType::SizeType ballRadius;
ballRadius[0] = this->BallRadius[0];
ballRadius[1] = this->BallRadius[1];
ballRadius[2] = this->BallRadius[2];
ball.SetRadius(ballRadius);
ball.CreateStructuringElement();
ImageType::Pointer outputImage;
if (this->Operation == CLOSE)
{
ClosingFilterType::Pointer imageFilter = ClosingFilterType::New();
imageFilter->SetKernel(ball);
imageFilter->SetInput(inImage);
imageFilter->SafeBorderOff();
try {
imageFilter->Update();
}
catch( itk::ExceptionObject & excep )
{
std::cerr << "Exception catched !" << std::endl;
std::cerr << excep << std::endl;
}
outputImage = imageFilter->GetOutput();
}
if (this->Operation == OPEN)
{
OpeningFilterType::Pointer imageFilter = OpeningFilterType::New();
imageFilter->SetKernel(ball);
imageFilter->SetInput(inImage);
imageFilter->SafeBorderOff();
try {
imageFilter->Update();
}
catch( itk::ExceptionObject & excep )
{
std::cerr << "Exception catched !" << std::endl;
std::cerr << excep << std::endl;
}
outputImage = imageFilter->GetOutput();
}
if (this->Operation == DILATE)
{
DilateFilterType::Pointer imageFilter = DilateFilterType::New();
imageFilter->SetKernel(ball);
imageFilter->SetInput(inImage);
try {
imageFilter->Update();
}
catch( itk::ExceptionObject & excep )
{
std::cerr << "Exception catched !" << std::endl;
std::cerr << excep << std::endl;
}
outputImage = imageFilter->GetOutput();
}
if (this->Operation == ERODE)
{
ErodeFilterType::Pointer imageFilter = ErodeFilterType::New();
imageFilter->SetKernel(ball);
imageFilter->SetInput(inImage);
try {
imageFilter->Update();
}
catch( itk::ExceptionObject & excep )
{
std::cerr << "Exception catched !" << std::endl;
std::cerr << excep << std::endl;
}
outputImage = imageFilter->GetOutput();
}
vtkvmtkITKFilterUtilities::ITKToVTKImage<ImageType>(outputImage,output);
}
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