void QmitkVolumeVisualizationView::CreateQtPartControl(QWidget* parent)
{
if (!m_Controls)
{
m_Controls = new Ui::QmitkVolumeVisualizationViewControls;
m_Controls->setupUi(parent);
m_Controls->m_TransferFunctionWidget->SetIntegerMode(true);
// Fill the tf presets in the generator widget
std::vector<std::string> names;
mitk::TransferFunctionInitializer::GetPresetNames(names);
for (std::vector<std::string>::const_iterator it = names.begin();
it != names.end(); ++it)
{
m_Controls->m_TransferFunctionGeneratorWidget->AddPreset(QString::fromStdString(*it));
}
m_Controls->m_RenderMode->addItem("CPU raycast");
m_Controls->m_RenderMode->addItem("CPU MIP raycast");
m_Controls->m_RenderMode->addItem("GPU slicing");
// Only with VTK 5.6 or above
#if ((VTK_MAJOR_VERSION > 5) || ((VTK_MAJOR_VERSION==5) && (VTK_MINOR_VERSION>=6) ))
m_Controls->m_RenderMode->addItem("GPU raycast");
m_Controls->m_RenderMode->addItem("GPU MIP raycast");
#endif
connect( m_Controls->m_EnableRenderingCB, SIGNAL( toggled(bool) ),this, SLOT( OnEnableRendering(bool) ));
connect( m_Controls->m_EnableLOD, SIGNAL( toggled(bool) ),this, SLOT( OnEnableLOD(bool) ));
connect( m_Controls->m_RenderMode, SIGNAL( activated(int) ),this, SLOT( OnRenderMode(int) ));
connect( m_Controls->m_TransferFunctionGeneratorWidget, SIGNAL( SignalUpdateCanvas( ) ), m_Controls->m_TransferFunctionWidget, SLOT( OnUpdateCanvas( ) ) );
connect( m_Controls->m_TransferFunctionGeneratorWidget, SIGNAL(SignalTransferFunctionModeChanged(int)), SLOT(OnMitkInternalPreset(int)));
m_Controls->m_EnableRenderingCB->setEnabled(false);
m_Controls->m_EnableLOD->setEnabled(false);
m_Controls->m_RenderMode->setEnabled(false);
m_Controls->m_TransferFunctionWidget->setEnabled(false);
m_Controls->m_TransferFunctionGeneratorWidget->setEnabled(false);
m_Controls->m_SelectedImageLabel->hide();
m_Controls->m_ErrorImageLabel->hide();
}
void QmitkTransferFunctionGeneratorWidget::OnLoadPreset( )
{
if(tfpToChange.IsNull())
return;
std::string fileName;
std::string fileNameOutput;
presetFileName = QFileDialog::getOpenFileName( this,"Choose a file to open the transferfunction from",presetFileName, "Transferfunction (*.xml)" );
fileName=presetFileName.toLocal8Bit().constData();
MITK_INFO << "Loading Transferfunction from path: " << fileName;
fileNameOutput= ReduceFileName(fileName);
mitk::TransferFunction::Pointer tf = mitk::TransferFunctionPropertySerializer::DeserializeTransferFunction(fileName.c_str());
if(tf.IsNotNull())
{
/*
if( histoGramm )
tf->InitializeByItkHistogram( histoGramm );
*/
tfpToChange->SetValue( tf );
m_InfoPreset->setText( QString( (std::string("loaded ")+ fileNameOutput).c_str() ) );
mitk::RenderingManager::GetInstance()->RequestUpdateAll();
emit SignalUpdateCanvas();
/*
vtkFloatingPointType* dp = tf->GetScalarOpacityFunction()->GetDataPointer();
for (int i = 0; i < tf->GetScalarOpacityFunction()->GetSize(); i++)
{
MITK_INFO << "x: " << dp[i * 2] << " y: " << dp[i * 2 + 1];
}
*/
}
}
void QmitkTransferFunctionGeneratorWidget::OnDeltaThreshold(int dx, int dy) // LEVELWINDOW
{
if(tfpToChange.IsNull())
return;
thPos += ScaleDelta(dx);
thDelta += ScaleDelta(dy);
if(thDelta < deltaMin)
thDelta = deltaMin;
if(thDelta > deltaMax)
thDelta = deltaMax;
if(thPos < histoMinimum)
thPos = histoMinimum;
if(thPos > histoMaximum)
thPos = histoMaximum;
//MITK_INFO << "threshold pos: " << thPos << " delta: " << thDelta;
//MITK_INFO << "histoMinimum: " << histoMinimum << " max: " << histoMaximum;
std::stringstream ss;
ss << "Click on the cross and move the mouse"<<"\n"
<<"\n"
<< "threshold at " << thPos << "\n"
<< "width " << thDelta * 2;
m_InfoThreshold->setText( QString( ss.str().c_str() ) );
mitk::TransferFunction::Pointer tf = tfpToChange->GetValue();
// grayvalue->opacity
{
vtkPiecewiseFunction *f=tf->GetScalarOpacityFunction();
f->RemoveAllPoints();
for( int r = 1; r<= 4; r++)
{
double relPos = r / 4.0;
f->AddPoint(thPos+thDelta*(-relPos),stepFunctionThreshold(-relPos));
f->AddPoint(thPos+thDelta*( relPos),stepFunctionThreshold( relPos));
}
f->Modified();
}
// gradient at grayvalue->opacity
{
vtkPiecewiseFunction *f=tf->GetGradientOpacityFunction();
f->RemoveAllPoints();
f->AddPoint( 0, 1.0 );
f->Modified();
}
/*
// grayvalue->color
{
vtkColorTransferFunction *ctf=tf->GetColorTransferFunction();
ctf->RemoveAllPoints();
ctf->AddRGBPoint( 0, 1.0, 1.0, 1.0 );
ctf->Modified();
}
*/
tf->Modified();
mitk::RenderingManager::GetInstance()->RequestUpdateAll();
emit SignalUpdateCanvas();
}
void QmitkTransferFunctionGeneratorWidget::OnDeltaLevelWindow(int dx, int dy) // bell
{
//std::string infoText;
// m_InfoThreshold->setText( QString( x.c_str() ) );
if(tfpToChange.IsNull())
return;
thPos += ScaleDelta(dx);
thDelta -= ScaleDelta(dy);
if(thDelta < deltaMin)
thDelta = deltaMin;
if(thDelta > deltaMax)
thDelta = deltaMax;
if(thPos < histoMinimum)
thPos = histoMinimum;
if(thPos > histoMaximum)
thPos = histoMaximum;
std::stringstream ss;
ss << "Click on the cross and move the mouse"<<"\n"
<<"\n"
<< "center at " << thPos << "\n"
<< "width " << thDelta * 2;
m_InfoLevelWindow->setText( QString( ss.str().c_str() ) );
mitk::TransferFunction::Pointer tf = tfpToChange->GetValue();
// grayvalue->opacity
{
vtkPiecewiseFunction *f=tf->GetScalarOpacityFunction();
f->RemoveAllPoints();
for( int r = 0; r<= 6; r++)
{
double relPos = (r / 6.0) * 0.5 + 0.5;
f->AddPoint(thPos+thDelta*(-transformationGlocke(relPos)),stepFunctionGlocke(relPos));
f->AddPoint(thPos+thDelta*( transformationGlocke(relPos)),stepFunctionGlocke(relPos));
}
f->Modified();
}
// gradient at grayvalue->opacity
{
vtkPiecewiseFunction *f=tf->GetGradientOpacityFunction();
f->RemoveAllPoints();
f->AddPoint( 0, 1.0 );
f->Modified();
}
/*
// grayvalue->color
{
vtkColorTransferFunction *ctf=tf->GetColorTransferFunction();
ctf->RemoveAllPoints();
ctf->AddRGBPoint( 0, 1.0, 1.0, 1.0 );
ctf->Modified();
}
*/
tf->Modified();
mitk::RenderingManager::GetInstance()->RequestUpdateAll();
emit SignalUpdateCanvas();
}
