SVTK_AreaPicker Class Reference

Rectangular picker class.

#include <SVTK_AreaPicker.h>

Inheritance diagram for SVTK_AreaPicker:

Public Types
enum	SelectionMode { RectangleMode, PolygonMode }
typedef std::vector< vtkIdType >	TVectorIds
typedef std::map< vtkActor *, TVectorIds >	TVectorIdsMap

Public Member Functions
	vtkTypeMacro (SVTK_AreaPicker, vtkAbstractPropPicker)
	vtkSetMacro (Tolerance, double)
	vtkGetMacro (Tolerance, double)
	vtkSetMacro (PickPoints, int)
	Use these methods to pick points or points and cells. More...
	vtkGetMacro (PickPoints, int)
	vtkBooleanMacro (PickPoints, int)
int	Pick (QVector< QPoint > &thePoints, vtkRenderer *theRenderer, SelectionMode theMode)
int	Pick (double theSelectionX, double theSelectionY, double theSelectionX2, double theSelectionY2, vtkRenderer *theRenderer, SelectionMode theMode)
const TVectorIdsMap &	GetPointIdsMap () const
const TVectorIdsMap &	GetCellIdsMap () const

Static Public Member Functions
static SVTK_AreaPicker *	New ()
static bool	isPointInPolygon (const QPoint &thePoint, const QVector< QPoint > &thePolygon)

Protected Member Functions
	SVTK_AreaPicker ()
	~SVTK_AreaPicker ()

Protected Attributes
double	Tolerance
	tolerance for computation (% of window) More...
int	PickPoints
	use the following to control picking mode More...
int	mySelection [4]
	coordinates of bounding box of selection More...
TVectorIdsMap	myPointIdsMap
TVectorIdsMap	myCellIdsMap

Private Member Functions
virtual int	Pick (double, double, double, vtkRenderer *)
void	SelectVisiblePoints (QVector< QPoint > &thePoints, vtkRenderer *theRenderer, vtkDataSet *theInput, SVTK_AreaPicker::TVectorIds &theVisibleIds, SVTK_AreaPicker::TVectorIds &theInVisibleIds, double theTolerance, SelectionMode theMode)
void	SelectVisibleCells (QVector< QPoint > &thePoints, vtkRenderer *theRenderer, vtkDataSet *theInput, SVTK_AreaPicker::TVectorIds &theVectorIds, double theTolerance, SelectionMode theMode)

Member Typedef Documentation

typedef std::vector<vtkIdType> SVTK_AreaPicker::TVectorIds

typedef std::map<vtkActor*,TVectorIds> SVTK_AreaPicker::TVectorIdsMap

Member Enumeration Documentation

enum SVTK_AreaPicker::SelectionMode

Enumerator
RectangleMode
PolygonMode

Constructor & Destructor Documentation

SVTK_AreaPicker::SVTK_AreaPicker ( )

protected

References PickPoints, and Tolerance.

SVTK_AreaPicker::~SVTK_AreaPicker ( )

protected

Member Function Documentation

const SVTK_AreaPicker::TVectorIdsMap & SVTK_AreaPicker::GetCellIdsMap

(

)

const

References myCellIdsMap.

const SVTK_AreaPicker::TVectorIdsMap & SVTK_AreaPicker::GetPointIdsMap

(

)

const

References myPointIdsMap.

bool SVTK_AreaPicker::isPointInPolygon ( const QPoint &  thePoint, const QVector< QPoint > &  thePolygon  )

static

static SVTK_AreaPicker* SVTK_AreaPicker::New ( )

static

int SVTK_AreaPicker::Pick	(	QVector< QPoint > &	thePoints,
		vtkRenderer *	theRenderer,
		SelectionMode	theMode
	)

References myCellIdsMap, myPointIdsMap, mySelection, PickPoints, PolygonMode, RectangleMode, SelectVisibleCells(), SelectVisiblePoints(), and Tolerance.

int SVTK_AreaPicker::Pick	(	double	theSelectionX,
		double	theSelectionY,
		double	theSelectionX2,
		double	theSelectionY2,
		vtkRenderer *	theRenderer,
		SelectionMode	theMode
	)

References Pick().

int SVTK_AreaPicker::Pick ( double  , double  , double  , vtkRenderer *    )

privatevirtual

void SVTK_AreaPicker::SelectVisibleCells ( QVector< QPoint > &  thePoints, vtkRenderer *  theRenderer, vtkDataSet *  theInput, SVTK_AreaPicker::TVectorIds &  theVectorIds, double  theTolerance, SelectionMode  theMode  )

private

References isPointInPolygon(), mySelection, PolygonMode, RectangleMode, and SelectVisiblePoints().

void SVTK_AreaPicker::SelectVisiblePoints ( QVector< QPoint > &  thePoints, vtkRenderer *  theRenderer, vtkDataSet *  theInput, SVTK_AreaPicker::TVectorIds &  theVisibleIds, SVTK_AreaPicker::TVectorIds &  theInVisibleIds, double  theTolerance, SelectionMode  theMode  )

private

References isPointInPolygon(), mySelection, PolygonMode, and RectangleMode.

SVTK_AreaPicker::vtkBooleanMacro	(	PickPoints	,
		int
	)

SVTK_AreaPicker::vtkGetMacro	(	Tolerance	,
		double
	)

SVTK_AreaPicker::vtkGetMacro	(	PickPoints	,
		int
	)

SVTK_AreaPicker::vtkSetMacro	(	Tolerance	,
		double
	)

Specify tolerance for performing pick operation. Tolerance is specified as fraction of rendering window size. (Rendering window size is measured across diagonal.)

SVTK_AreaPicker::vtkSetMacro	(	PickPoints	,
		int
	)

SVTK_AreaPicker::vtkTypeMacro	(	SVTK_AreaPicker	,
		vtkAbstractPropPicker
	)

Member Data Documentation

TVectorIdsMap SVTK_AreaPicker::myCellIdsMap

protected

TVectorIdsMap SVTK_AreaPicker::myPointIdsMap

protected

int SVTK_AreaPicker::mySelection[4]

protected

int SVTK_AreaPicker::PickPoints

protected

double SVTK_AreaPicker::Tolerance

protected

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

• src/SVTK/SVTK_AreaPicker.h
• src/SVTK/SVTK_AreaPicker.cxx