QCellPreprocess.cxx

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/*=========================================================================
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/*=========================================================================
 Authors: The GoFigure Dev. Team.
 at Megason Lab, Systems biology, Harvard Medical school, 2009

 Copyright (c) 2009, President and Fellows of Harvard College.
 All rights reserved.

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 modificatio  n, are permitted provided that the following conditions are met:

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 this list of conditions and the following disclaimer.
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 Neither the name of the  President and Fellows of Harvard College
 nor the names of its contributors may be used to endorse or promote
 products derived from this software without specific prior written
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 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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=========================================================================*/
#include "QCellPreprocess.h"

#include "vtkitkAdaptor.h"

#include <iostream>

//--------------------------------------------------------------------------
QCellPreprocess::QCellPreprocess(QWidget *iParent):QWidget(iParent)
{
  this->setupUi(this);
  m_CellRadius = 4.0;
  m_MembraneData = true;

  this->buttonGroup->setId(allChRadioButton, 0);
  this->buttonGroup->setId(singleChRadioButton, 1);
  this->ChannelComboBox->setEnabled(false);
}

void QCellPreprocess::SetMembraneDataType(bool x)
{
  m_MembraneData = x;
}

void QCellPreprocess::SetInput(std::vector< vtkImageData * > & iImg)
{
  m_VTKInput = iImg;
  m_VTKOutput.resize(m_VTKInput.size(), 0);
}

std::vector< vtkImageData * > QCellPreprocess::GetOutput()
{
  return m_VTKOutput;
}

//--------------------------------------------------------------------------
void QCellPreprocess::GetParameters()
{ // Get the current snapshot of parameters
  m_CellRadius = static_cast< double >( this->RadiusSpinBox->value() );
}

//--------------------------------------------------------------------------
void QCellPreprocess::on_RadiusSpinBox_valueChanged()
{
  double t = this->RadiusSpinBox->value();
  double max_spin = this->RadiusSpinBox->maximum();
  double min_spin = this->RadiusSpinBox->minimum();

  int max_slider = this->RadiusSlider->maximum();
  int min_slider = this->RadiusSlider->minimum();

  int out = static_cast< int >( min_slider
                                + ( max_slider - min_slider ) * ( t - min_spin ) / ( max_spin - min_spin ) );

  this->RadiusSlider->setValue(out);
}

//--------------------------------------------------------------------------
void QCellPreprocess::on_RadiusSlider_sliderReleased()
{
  int t = this->RadiusSlider->value();

  double max_spin = this->RadiusSpinBox->maximum();
  double min_spin = this->RadiusSpinBox->minimum();

  int max_slider = this->RadiusSlider->maximum();
  int min_slider = this->RadiusSlider->minimum();

  double out = static_cast< double >( min_spin
                                      + ( max_spin - min_spin ) * ( t - min_slider ) / ( max_slider - min_slider ) );

  this->RadiusSpinBox->setValue(out);
}

//--------------------------------------------------------------------------
void QCellPreprocess::on_allChRadioButton_clicked()
{
  this->ChannelComboBox->setEnabled(false);
}

//--------------------------------------------------------------------------
void QCellPreprocess::on_singleChRadioButton_clicked()
{
  this->ChannelComboBox->setEnabled(true);
}

//--------------------------------------------------------------------------
void QCellPreprocess::on_GlobalResetButton_clicked()
{
  this->m_CellRadius = 4.0;
  this->RadiusSpinBox->setValue(this->m_CellRadius);
}

//--------------------------------------------------------------------------
void QCellPreprocess::on_GlobalApplyButton_clicked()
{
  unsigned int option = static_cast< unsigned int >( this->buttonGroup->checkedId() );

  if ( !option )
    {
    Preprocess(0);
//    Preprocess( 1 );
//    Preprocess( 2 );
    }
  else
    {
    unsigned int channel = static_cast< unsigned int >( this->ChannelComboBox->currentIndex() );
    Preprocess(channel);
    }

  emit Done(m_VTKOutput);
}

void QCellPreprocess::Preprocess(unsigned int i)
{
  if ( m_VTKInput[i] )
    {
    // convert VTK image to ITK image
    vtkImageExport *vtkExporter = vtkImageExport::New();
    vtkExporter->SetInput(m_VTKInput[i]);

    ImageImportPointer itkImporter = ImageImportType::New();

    ConnectPipelines(vtkExporter, itkImporter);

    InputImagePointer m_ITKImage = itkImporter->GetOutput();

    PreprocessFilterPointer filter = PreprocessFilterType::New();
    filter->SetInput (m_ITKImage);
    filter->SetLargestCellRadius (m_CellRadius);   // in real coordinates
    filter->SetMembraneData(m_MembraneData);
    filter->Update();

    InputImagePointer m_ITKOutputImage = filter->GetOutput();

    ImageExportType::Pointer itkExporter = ImageExportType::New();
    itkExporter->SetInput(m_ITKOutputImage);

    vtkImageImport *vtkImporter = vtkImageImport::New();

    ConnectPipelines(itkExporter, vtkImporter);

    m_VTKOutput[i] = vtkImporter->GetOutput();

    vtkExporter->Delete();
    vtkImporter->Delete();
    }
}