ColTab::Mapper Class Reference

Maps data values to colortable positions: [0,1]. More...

Public Member Functions
	Mapper ()
	defaults maps from [0,1] to [0,1] More...
	~Mapper ()
float	position (float val) const
	returns position in ColorTable More...
const Interval< float > &	range () const
bool	isFlipped () const
const ValueSeries< float > *	data () const
od_int64	dataSize () const
void	setFlipped (bool yn)
void	setRange (const Interval< float > &rg)
void	setData (const ValueSeries< float > *, od_int64 sz, TaskRunner *=0)
	If data changes, call update() More...
void	update (bool full=true, TaskRunner *=0)
	If !full, will assume data is unchanged. More...

Static Public Member Functions
static int	snappedPosition (const Mapper *, float val, int nrsteps, int udfval)

Public Attributes
MapperSetup	setup_

Protected Attributes
DataClipper &	clipper_
const ValueSeries< float > *	vs_
od_int64	vssz_

Detailed Description

Maps data values to colortable positions: [0,1].

If nrsegs_ > 0, the mapper will return the centers of the segments only. For example, if nsegs_ == 3, only positions returned are 1/6, 3/6 and 5/6.

Constructor & Destructor Documentation

ColTab::Mapper::Mapper

(

)

defaults maps from [0,1] to [0,1]

ColTab::Mapper::~Mapper

(

)

Member Function Documentation

const ValueSeries<float>* ColTab::Mapper::data ( ) const

inline

od_int64 ColTab::Mapper::dataSize ( ) const

inline

bool ColTab::Mapper::isFlipped ( ) const

inline

float ColTab::Mapper::position

(

float

val

)

const

returns position in ColorTable

const Interval<float>& ColTab::Mapper::range

(

)

const

void ColTab::Mapper::setData	(	const ValueSeries< float > *	,
		od_int64	sz,
		TaskRunner *	= 0
	)

If data changes, call update()

void ColTab::Mapper::setFlipped ( bool  yn )

inline

void ColTab::Mapper::setRange

(

const Interval< float > &

rg

)

static int ColTab::Mapper::snappedPosition ( const Mapper *  , float  val, int  nrsteps, int  udfval  )

static

void ColTab::Mapper::update	(	bool	full = true,
		TaskRunner *	= 0
	)

If !full, will assume data is unchanged.

Member Data Documentation

DataClipper& ColTab::Mapper::clipper_

protected

MapperSetup ColTab::Mapper::setup_

const ValueSeries<float>* ColTab::Mapper::vs_

protected

od_int64 ColTab::Mapper::vssz_

protected