mitk::ImageToLookupTableFilter Class Reference

#include <mitkImageToLookupTableFilter.h>

Inheritance diagram for mitk::ImageToLookupTableFilter:

Collaboration diagram for mitk::ImageToLookupTableFilter:

List of all members.

Public Types
typedef ImageToLookupTableFilter	Self
typedef LookupTableSource	Superclass
typedef itk::SmartPointer< Self >	Pointer
typedef itk::SmartPointer < const Self >	ConstPointer
typedef mitk::Image	InputImageType
typedef InputImageType::Pointer	InputImagePointer
typedef InputImageType::ConstPointer	InputImageConstPointer
Public Member Functions
virtual const char *	GetClassName () const
virtual void	SetInput (const InputImageType *image)
virtual void	SetInput (unsigned int, const InputImageType *image)
const InputImageType *	GetInput (void)
const InputImageType *	GetInput (unsigned int idx)
Static Public Member Functions
static Pointer	New ()
Protected Member Functions
virtual void	GenerateData ()
	ImageToLookupTableFilter ()
virtual	~ImageToLookupTableFilter ()

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Detailed Description

Creates a mitk::LookupTable from an image. This may be used to create a default coloring scheme for vector images...

Definition at line 32 of file mitkImageToLookupTableFilter.h.

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Member Typedef Documentation

typedef itk::SmartPointer<const Self> mitk::ImageToLookupTableFilter::ConstPointer

Reimplemented from mitk::LookupTableSource.

Definition at line 36 of file mitkImageToLookupTableFilter.h.

typedef InputImageType::ConstPointer mitk::ImageToLookupTableFilter::InputImageConstPointer

Definition at line 43 of file mitkImageToLookupTableFilter.h.

typedef InputImageType::Pointer mitk::ImageToLookupTableFilter::InputImagePointer

Definition at line 42 of file mitkImageToLookupTableFilter.h.

typedef mitk::Image mitk::ImageToLookupTableFilter::InputImageType

Definition at line 38 of file mitkImageToLookupTableFilter.h.

typedef itk::SmartPointer<Self> mitk::ImageToLookupTableFilter::Pointer

Reimplemented from mitk::LookupTableSource.

Definition at line 36 of file mitkImageToLookupTableFilter.h.

typedef ImageToLookupTableFilter mitk::ImageToLookupTableFilter::Self

Reimplemented from mitk::LookupTableSource.

Definition at line 36 of file mitkImageToLookupTableFilter.h.

typedef LookupTableSource mitk::ImageToLookupTableFilter::Superclass

Reimplemented from mitk::LookupTableSource.

Definition at line 36 of file mitkImageToLookupTableFilter.h.

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Constructor & Destructor Documentation

mitk::ImageToLookupTableFilter::ImageToLookupTableFilter

(

)

[protected]

Definition at line 26 of file mitkImageToLookupTableFilter.cpp.

{
    this->SetNumberOfRequiredInputs(1);    
}

mitk::ImageToLookupTableFilter::~ImageToLookupTableFilter

(

)

[protected, virtual]

Definition at line 34 of file mitkImageToLookupTableFilter.cpp.

{
    
}

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Member Function Documentation

void mitk::ImageToLookupTableFilter::GenerateData

(

)

[protected, virtual]

Definition at line 85 of file mitkImageToLookupTableFilter.cpp.

{
    this->SetNumberOfOutputs( this->GetNumberOfInputs() );
    for (unsigned int inputIdx = 0; inputIdx < this->GetNumberOfInputs() ; ++inputIdx)
    {
        InputImagePointer image = const_cast<mitk::Image*>(this->GetInput( inputIdx ));
        OutputTypePointer output = dynamic_cast<OutputType*>(this->MakeOutput( inputIdx ).GetPointer());
        
        this->ProcessObject::SetNthOutput( inputIdx, output.GetPointer() );
        if (image.IsNull())
        {
            itkWarningMacro(<< inputIdx<<"'th input image is null!");    
            return;
        }
        
        // the default vtkLookupTable has range=[0,1]; and hsv ranges set 
        // up for rainbow color table (from red to blue).
        
        vtkLookupTable* vtkLut = vtkLookupTable::New();
        /*
        if ( ( image->GetPixelType().GetNumberOfComponents() == 3 ) && ( image->GetDimension() == 3 ) )
        {
            
            // some typedefs for conversion to an iterable itk image
            const unsigned int VectorDimension = 3;
            typedef float VectorComponentType;
            typedef itk::Vector< VectorComponentType, VectorDimension > VectorType;
            typedef itk::Image< VectorType, VectorDimension > VectorFieldType;
            typedef itk::ImageRegionIterator< VectorFieldType > VectorFieldIteratorType;
            typedef mitk::ImageToItk<VectorFieldType> ImageConverterType;
            
            // some local variables
            float minValue = itk::NumericTraits<float>::max();
            float maxValue = itk::NumericTraits<float>::NonpositiveMin();
            float norm = 0.0f;
            
            //determine the range of the vector magnitudes in the image
            ImageConverterType::Pointer imageConverter = ImageConverterType::New();
            imageConverter->SetInput(image);
            VectorFieldType::Pointer itkImage = imageConverter->GetOutput();
            VectorFieldIteratorType it( itkImage, itkImage->GetRequestedRegion() );
            it.GoToBegin();
            while ( !it.IsAtEnd() )
            {
                norm = it.Get().GetNorm();
                minValue = std::min(norm, minValue);
                maxValue = std::max(norm, maxValue);
            }
            MITK_INFO << "Range of vector magnitudes: [" << minValue << ", "<< maxValue << "]." << std::endl;
            vtkLut->SetRange(minValue, maxValue);      
        }
        else 
        {
            itkWarningMacro(<< "Sorry, only 3d vector images are currently supported!");    
        }*/
        vtkLut->SetRange(0, 10);
        output->SetVtkLookupTable( vtkLut );
        vtkLut->Delete();
    }
}

virtual const char* mitk::ImageToLookupTableFilter::GetClassName

(

)

const [virtual]

Reimplemented from mitk::LookupTableSource.

const mitk::ImageToLookupTableFilter::InputImageType * mitk::ImageToLookupTableFilter::GetInput

(

void

)

Definition at line 65 of file mitkImageToLookupTableFilter.cpp.

{
    if ( this->GetNumberOfInputs() < 1 )
    {
        return 0;
    }
    return static_cast<const InputImageType * >( this->ProcessObject::GetInput( 0 ) );
}

const mitk::ImageToLookupTableFilter::InputImageType * mitk::ImageToLookupTableFilter::GetInput

(

unsigned int

idx )

Definition at line 77 of file mitkImageToLookupTableFilter.cpp.

{
    return static_cast< const InputImageType * >( this->ProcessObject::GetInput( idx ) );
}

static Pointer mitk::ImageToLookupTableFilter::New

(

)

[static]

Reimplemented from mitk::LookupTableSource.

void mitk::ImageToLookupTableFilter::SetInput

(

const InputImageType *

image )

[virtual]

Definition at line 42 of file mitkImageToLookupTableFilter.cpp.

{
    // Process object is not const-correct so the const_cast is required here
    this->itk::ProcessObject::SetNthInput( 0, const_cast< InputImageType * >( input ) );
    
}

void mitk::ImageToLookupTableFilter::SetInput	(	unsigned int	index,
		const InputImageType *	image
	)		[virtual]

Definition at line 52 of file mitkImageToLookupTableFilter.cpp.

{
    if ( index + 1 > this->GetNumberOfInputs() )
    {
        this->SetNumberOfRequiredInputs( index + 1 );
    }
    // Process object is not const-correct so the const_cast is required here
    this->ProcessObject::SetNthInput( index, const_cast< InputImageType *>( input ) );
}

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The documentation for this class was generated from the following files:

• mitkImageToLookupTableFilter.h
• mitkImageToLookupTableFilter.cpp