Detailed Description

Creates cylinders that stand on top of the image with the length of the corresponding first sub-pixel value (the red value). Useful to visualize precipitation maps as a 3d bar chart.

Definition at line 24 of file VtkCompositeImageToCylindersFilter.h.

#include <VtkCompositeImageToCylindersFilter.h>

Inheritance diagram for VtkCompositeImageToCylindersFilter:

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Collaboration diagram for VtkCompositeImageToCylindersFilter:

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Public Member Functions
	VtkCompositeImageToCylindersFilter (vtkAlgorithm *inputAlgorithm)

	~VtkCompositeImageToCylindersFilter () override

void	init () override

void	SetUserProperty (QString name, QVariant value) override
	Sets a user property. This should be implemented by subclasses.

void	SetUserVectorProperty (QString name, QList< QVariant > values) override
	Sets a vector user property. This should be implemented by subclasses.

Public Member Functions inherited from VtkCompositeFilter
	VtkCompositeFilter (vtkAlgorithm *inputAlgorithm)
	Constructor.

	~VtkCompositeFilter () override
	Destructor.

int	GetInputDataObjectType () const

int	GetOutputDataObjectType () const

vtkAlgorithm *	GetOutputAlgorithm () const

Public Member Functions inherited from VtkAlgorithmProperties
	VtkAlgorithmProperties (QObject *parent=nullptr)
	Constructor (sets default values)

	~VtkAlgorithmProperties () override

vtkProperty *	GetProperties () const
	Returns the vtk properties.

vtkTexture *	GetTexture ()
	Returns a texture (if one has been assigned).

void	SetTexture (vtkTexture *t)
	Sets a texture for the VtkVisPipelineItem.

vtkLookupTable *	GetLookupTable (const QString &array_name)
	Returns the colour lookup table (if one has been assigned).

void	RemoveLookupTable (const QString &array_name)
	Removes the lookup table for the given scalar.

void	SetLookUpTable (const QString &array_name, vtkLookupTable *lut)
	Sets a colour lookup table for the given scalar array of the VtkVisPipelineItem.

void	SetLookUpTable (const QString &array_name, const QString &filename)
	Loads a predefined color lookup table from a file for the specified scalar array.

bool	GetScalarVisibility () const
	Returns the scalar visibility.

void	SetScalarVisibility (bool on)
	Sets the scalar visibility.

QString	GetName () const
	Returns the name. This is set to the file path if it is a source algorithm.

void	SetName (QString name)
	Sets the name.

bool	IsRemovable () const
	Is this algorithm removable from the pipeline (view).

QMap< QString, QVariant > *	GetAlgorithmUserProperties () const
	Returns a map of user properties.

QMap< QString, QList< QVariant > > *	GetAlgorithmUserVectorProperties () const
	Returns a map of vector user properties.

QVariant	GetUserProperty (QString name) const
	Returns the value of a user property.

QList< QVariant >	GetUserVectorProperty (QString name) const
	Returns a list of values of a vector user property.

void	SetActiveAttribute (QString name)
	Set the active attribute.

QString	GetActiveAttribute () const
	Returns the desired active attribute.

Private Attributes
VtkImageDataToLinePolyDataFilter *	_lineFilter

Additional Inherited Members
Signals inherited from VtkAlgorithmProperties
void	ScalarVisibilityChanged (bool on)

Protected Member Functions inherited from VtkCompositeFilter
double	GetInitialRadius () const
	Calculates a 1/200th of the largest extension of the bounding box (this is used as default radius for various filters)

Protected Attributes inherited from VtkCompositeFilter
int	_inputDataObjectType

int	_outputDataObjectType

vtkAlgorithm *	_inputAlgorithm

vtkAlgorithm *	_outputAlgorithm

Protected Attributes inherited from VtkAlgorithmProperties
vtkProperty *	_property

vtkTexture *	_texture

bool	_scalarVisibility

std::map< QString, vtkLookupTable * >	_lut

QString	_name

QString	_activeAttributeName

bool	_removable

QMap< QString, QVariant > *	_algorithmUserProperties

QMap< QString, QList< QVariant > > *	_algorithmUserVectorProperties

Constructor & Destructor Documentation

◆ VtkCompositeImageToCylindersFilter()

VtkCompositeImageToCylindersFilter::VtkCompositeImageToCylindersFilter ( vtkAlgorithm * inputAlgorithm )

explicit

Definition at line 31 of file VtkCompositeImageToCylindersFilter.cpp.

    : VtkCompositeFilter(inputAlgorithm), _lineFilter(nullptr)
{
    this->init();
}

References init().

◆ ~VtkCompositeImageToCylindersFilter()

VtkCompositeImageToCylindersFilter::~VtkCompositeImageToCylindersFilter ( )

override

Definition at line 144 of file VtkCompositeImageToCylindersFilter.cpp.

{
    _lineFilter->Delete();
}

References _lineFilter.

Member Function Documentation

◆ init()

void VtkCompositeImageToCylindersFilter::init ( )

overridevirtual

Implements VtkCompositeFilter.

Definition at line 38 of file VtkCompositeImageToCylindersFilter.cpp.

{
    this->_inputDataObjectType = VTK_IMAGE_DATA;
    this->_outputDataObjectType = VTK_POLY_DATA;
 
    _lineFilter = VtkImageDataToLinePolyDataFilter::New();
    _lineFilter->SetInputConnection(_inputAlgorithm->GetOutputPort());
    _lineFilter->SetLengthScaleFactor(1);
    (*_algorithmUserProperties)["LengthScaleFactor"] = 1.0;
    _lineFilter->Update();
 
    double range[2];
    // The data is always on points
    vtkDataSet::SafeDownCast(_lineFilter->GetOutputDataObject(0))
        ->GetPointData()
        ->GetScalars()
        ->GetRange(range);
 
    vtkLookupTable* colormap = vtkLookupTable::New();
    colormap->SetTableRange(range[0], range[1]);
    colormap->SetHueRange(0.0, 0.666);
    colormap->SetNumberOfTableValues(256);
    colormap->ForceBuild();
    QList<QVariant> tableRangeList;
    tableRangeList.push_back(range[0]);
    tableRangeList.push_back(range[1]);
    QList<QVariant> hueRangeList;
    hueRangeList.push_back(0.0);
    hueRangeList.push_back(0.666);
    (*_algorithmUserVectorProperties)["TableRange"] = tableRangeList;
    (*_algorithmUserVectorProperties)["HueRange"] = hueRangeList;
 
    this->SetLookUpTable("P-Colors", colormap);
 
    vtkTubeFilter* tubeFilter = vtkTubeFilter::New();
    tubeFilter->SetInputConnection(_lineFilter->GetOutputPort());
    tubeFilter->CappingOn();
    tubeFilter->SetNumberOfSides(6);
    tubeFilter->SetRadius(_lineFilter->GetImageSpacing() * 0.25);
    (*_algorithmUserProperties)["NumberOfColors"] = 256;
    (*_algorithmUserProperties)["Capping"] = true;
    (*_algorithmUserProperties)["NumberOfSides"] = 6;
    (*_algorithmUserProperties)["RadiusFactor"] = 0.25;
 
    _outputAlgorithm = tubeFilter;
}

References VtkCompositeFilter::_inputAlgorithm, VtkCompositeFilter::_inputDataObjectType, _lineFilter, VtkCompositeFilter::_outputAlgorithm, VtkCompositeFilter::_outputDataObjectType, VtkImageDataToLinePolyDataFilter::New(), and VtkAlgorithmProperties::SetLookUpTable().

Referenced by VtkCompositeImageToCylindersFilter().

◆ SetUserProperty()

void VtkCompositeImageToCylindersFilter::SetUserProperty	(	QString	name,
		QVariant	value )

overridevirtual

Sets a user property. This should be implemented by subclasses.

Reimplemented from VtkAlgorithmProperties.

Definition at line 85 of file VtkCompositeImageToCylindersFilter.cpp.

{
    VtkAlgorithmProperties::SetUserProperty(name, value);
 
    _lineFilter->SetUserProperty(name, value);
 
    // VtkImageDataToLinePolyDataFilter is equal to _firstAlgorithm
    // vtkTubeFilter is equal _outputAlgorithm
    if (name.compare("NumberOfColors") == 0)
    {
        vtkLookupTable* lut = this->GetLookupTable("P-Colors");
        if (lut)
        {
            lut->SetNumberOfTableValues(value.toInt());
        }
    }
    else if (name.compare("NumberOfSides") == 0)
    {
        static_cast<vtkTubeFilter*>(_outputAlgorithm)
            ->SetNumberOfSides(value.toInt());
    }
    else if (name.compare("Capping") == 0)
    {
        static_cast<vtkTubeFilter*>(_outputAlgorithm)
            ->SetCapping(value.toBool());
    }
    else if (name.compare("RadiusFactor") == 0)
    {
        static_cast<vtkTubeFilter*>(_outputAlgorithm)
            ->SetRadius(_lineFilter->GetImageSpacing() * value.toDouble());
    }
}

References _lineFilter, VtkCompositeFilter::_outputAlgorithm, VtkAlgorithmProperties::GetLookupTable(), VtkAlgorithmProperties::SetUserProperty(), and VtkImageDataToLinePolyDataFilter::SetUserProperty().

◆ SetUserVectorProperty()

void VtkCompositeImageToCylindersFilter::SetUserVectorProperty	(	QString	name,
		QList< QVariant >	values )

overridevirtual

Sets a vector user property. This should be implemented by subclasses.

Reimplemented from VtkAlgorithmProperties.

Definition at line 119 of file VtkCompositeImageToCylindersFilter.cpp.

{
    VtkAlgorithmProperties::SetUserVectorProperty(name, values);
 
    _lineFilter->SetUserVectorProperty(name, values);
 
    if (name.compare("TableRange") == 0)
    {
        vtkLookupTable* lut = this->GetLookupTable("P-Colors");
        if (lut)
        {
            lut->SetTableRange(values[0].toDouble(), values[1].toDouble());
        }
    }
    else if (name.compare("HueRange") == 0)
    {
        vtkLookupTable* lut = this->GetLookupTable("P-Colors");
        if (lut)
        {
            lut->SetHueRange(values[0].toDouble(), values[1].toDouble());
        }
    }
}