Base class for auto-caching DisplayData objects. More...

#include <CachingDisplayData.h>

Inheritance diagram for casa::CachingDisplayData:

Public Member Functions
	CachingDisplayData ()
	Constructor. More...

virtual	~CachingDisplayData ()
	Destructor. More...

virtual void	setDefaultOptions ()
	Install the default options for this DisplayData. More...

virtual casacore::Bool	setOptions (casacore::Record &rec, casacore::Record &recOut)
	Apply options stored in `rec` to the DisplayData. More...

virtual casacore::Record	getOptions (bool scrub=false) const
	Retrieve the current and default options and parameter types. More...

virtual void	refreshEH (const WCRefreshEvent &ev)
	Refresh event handler which is called indirectly by the WorldCanvas, via the WorldCanvasHolder. More...

virtual void	notifyRegister (WorldCanvasHolder *wcHolder)

virtual void	notifyUnregister (WorldCanvasHolder &wcHolder, casacore::Bool ignoreRefresh=false)
	`ignoreRefresh` tells the DD not to refresh just to clean up DMs More...

virtual void	setColormap (Colormap *cmap, casacore::Float weight)
	Purges cache, to avoid reusing images with the wrong colormap, then calls base class version. More...

virtual void	purgeCache ()
	Empty cache completely. More...

virtual void	purgeCache (const WorldCanvasHolder &wch)
	Empty cache of all DMs for a given WCH. More...

Public Member Functions inherited from casa::DisplayData
	DisplayData ()
	(Required) default constructor. More...

virtual	~DisplayData ()
	required destructor More...

virtual casacore::Bool	linToWorld (casacore::Vector< casacore::Double > &world, const casacore::Vector< casacore::Double > &lin)=0
	casacore::Coordinate transformations, called by WorldCanvasHolder (casacore::Matrix versions not implemented) More...

virtual casacore::Bool	worldToLin (casacore::Vector< casacore::Double > &lin, const casacore::Vector< casacore::Double > &world)=0

virtual std::string	errorMessage () const =0

virtual casacore::String	showPosition (const casacore::Vector< casacore::Double > &world, const casacore::Bool &displayAxesOnly=false)=0
	casacore::Format a string containing coordinate information at the given world coordinate More...

virtual casacore::String	showValue (const casacore::Vector< casacore::Double > &world)=0
	casacore::Format a string containing value information at the given world coordinate More...

virtual void	setDisplayState (DisplayState s)

virtual DisplayState	getDisplayState () const

virtual bool	isDisplayable () const

virtual casacore::Vector < casacore::String >	worldAxisNames () const =0
	Some routines that give info on the axes names, units etc. More...

virtual casacore::Vector < casacore::String >	worldAxisUnits () const =0

virtual casacore::uInt	nelements (const WorldCanvasHolder &wcHolder) const =0
	Returns the number of elements in this DisplayData (mainly for movie purposes). More...

virtual casacore::uInt	nelements () const =0
	and non-specific More...

virtual void	addRestrictions (AttributeBuffer &otherBuf)
	Add general restrictions or a restriction for item `itemNum` of this DisplayData. More...

virtual void	addRestriction (Attribute &newRestriction, casacore::Bool permanent)

virtual void	addElementRestrictions (const casacore::uInt itemNum, AttributeBuffer &other)

virtual void	addElementRestriction (const casacore::uInt itemNum, Attribute &newRestriction, casacore::Bool permanent)

virtual void	setRestrictions (AttributeBuffer &otherBuf)
	Set general restrictions or a restriction for item `itemNum` of this DisplayData. More...

virtual void	setRestriction (Attribute &newRestriction)

virtual void	setElementRestrictions (const casacore::uInt itemNum, AttributeBuffer &other)

virtual void	setElementRestriction (const casacore::uInt itemNum, Attribute &newRestriction)

virtual void	removeRestriction (const casacore::String &name)
	Remove a general restriction or a restriction from item `itemNum` More...

virtual void	removeElementRestriction (const casacore::uInt itemNum, const casacore::String &name)

virtual void	clearRestrictions ()
	Clear all general restrictions or all restrictions of item `itemNum` (except the ones that are permanent of course...) More...

virtual void	clearElementRestrictions (const casacore::uInt itemNum)

virtual casacore::Bool	existRestriction (const casacore::String &name)
	Check if a general restriction or a restriction for item `itemNum` with name `name` exists. More...

virtual casacore::Bool	existElementRestriction (const casacore::uInt itemNum, const casacore::String &name)

virtual AttributeBuffer *	restrictionBuffer ()
	Get a handle to the buffer of general restrictions or of the buffer of restrictions for item `itemNum` More...

virtual AttributeBuffer *	elementRestrictionBuffer (const casacore::uInt itemNum)

virtual casacore::Bool	conformsTo (const WorldCanvas *wCanvas)
	Check whether the DD is is compatible with all WC[H] state, including its coordinate state, restrictions, and zIndex (if any). More...

virtual casacore::Bool	conformsTo (const WorldCanvas &wc)

virtual casacore::Bool	conformsToRstrs (const WorldCanvas &wc)
	Determine whether DD restrictions are in conformance with restrictions on the given WCH. More...

virtual casacore::Bool	conformsToCS (const WorldCanvas &)
	Determine whether DD is compatible with the WC[H]'s current world coordinates. More...

virtual casacore::Bool	conformsToZIndex (const WorldCanvas &wc)
	Determine whether DD is compatible with the current canvas animation (zIndex) position. More...

virtual casacore::Int	activeZIndex (const WorldCanvas *wc=0)
	Retrieve 'Active' zIndex. More...

virtual casacore::Bool	getFirstZIndex (int &firstZIndex, casacore::Int axZrng=-1) const
	Set firstZIndex to minimum zIndex setting from all canvases where this DD is registered. More...

virtual void	addPositionEventHandler (WCPositionEH *positionHandler)
	Add event handlers on the DisplayData. More...

virtual void	addMotionEventHandler (WCMotionEH *motionHandler)

virtual void	addRefreshEventHandler (WCRefreshEH *refreshHandler)

virtual void	addDisplayEventHandler (DisplayEH *displayHandler)

virtual void	removePositionEventHandler (WCPositionEH &positionHandler)
	Remove eventhandlers. More...

virtual void	removeMotionEventHandler (WCMotionEH &motionHandler)

virtual void	removeRefreshEventHandler (WCRefreshEH &refreshHandler)

virtual void	removeDisplayEventHandler (DisplayEH &displayHandler)

virtual void	removeColormap ()

virtual Colormap *	colormap () const

void	setAttribute (Attribute &at)
	set an Attribute or Attributes More...

void	setAttributes (AttributeBuffer &at)

casacore::Bool	getAttributeValue (const casacore::String &name, casacore::uInt &newValue)
	User interface to get value from the attribute buffer. More...

casacore::Bool	getAttributeValue (const casacore::String &name, casacore::Int &newValue)

casacore::Bool	getAttributeValue (const casacore::String &name, casacore::Float &newValue)

casacore::Bool	getAttributeValue (const casacore::String &name, casacore::Double &newValue)

casacore::Bool	getAttributeValue (const casacore::String &name, casacore::Bool &newValue)

casacore::Bool	getAttributeValue (const casacore::String &name, casacore::String &newValue)

casacore::Bool	getAttributeValue (const casacore::String &name, casacore::Vector< casacore::uInt > &newValue)

casacore::Bool	getAttributeValue (const casacore::String &name, casacore::Vector< casacore::Int > &newValue)

casacore::Bool	getAttributeValue (const casacore::String &name, casacore::Vector< casacore::Float > &newValue)

casacore::Bool	getAttributeValue (const casacore::String &name, casacore::Vector< casacore::Double > &newValue)

casacore::Bool	getAttributeValue (const casacore::String &name, casacore::Vector< casacore::Bool > &newValue)

casacore::Bool	getAttributeValue (const casacore::String &name, casacore::Vector< casacore::String > &newValue)

casacore::Bool	existsAttribute (casacore::String &name)
	Check if a certain Attribute exists. More...

void	removeAttribute (casacore::String &name)
	Remove an Attribute. More...

AttValue::ValueType	attributeType (casacore::String &name)
	Get the type of the Attribute. More...

void	setAttributeOnPrimaryWCHs (Attribute &at)
	Set an attribute on any WorldCanvas for which this DD is CS master. More...

virtual void	removeFromAllWCHs ()
	remove this DD everywhere–will stop any more refresh handling by the DD. More...

virtual void	refresh (casacore::Bool clean=false)
	an explicit refresh: should be called if the DisplayData is changed such that drawing is required. More...

virtual casacore::Bool	labelAxes (const WCRefreshEvent &ev)
	an explicit request to draw the axes and/or labels. More...

virtual casacore::Bool	canLabelAxes () const

virtual casacore::String	className () const
	Return the class name of this DisplayData; useful mostly for debugging purposes, and perhaps future use in the glish widget interface. More...

virtual casacore::String	description () const

virtual Display::DisplayDataType	classType ()=0
	Return the DisplayData type; used by the WorldCanvasHolder to determine the order of drawing. More...

virtual casacore::String	dataType () const =0

virtual const casacore::IPosition	dataShape () const =0

virtual casacore::uInt	dataDim () const =0

virtual const casacore::Unit	dataUnit () const =0

virtual std::vector< int >	displayAxes () const =0

virtual ImageAnalysis *	imageanalysis () const
	Get image analyis about images... More...

virtual std::shared_ptr < casacore::ImageInterface < casacore::Float > >	imageinterface ()
	Returns a pointer that should not be deleted... More...

virtual void	setSubstituteTitleText (const casacore::String)

const WorldCanvasHolder *	findHolder (const WorldCanvas *wCanvas) const
	Identify the WorldCanvasHolder for the given WorldCanvas. More...

WorldCanvasHolder *	findHolder (const WorldCanvas *wCanvas)

virtual casacore::Block < casacore::Int >	allZIndices (casacore::Int axZrng=-1) const
	Return a sorted casacore::Block of all animation frame numbers currently set onto all WCHs where this DD is registered. More...

virtual casacore::Bool	zIndexHint (casacore::Int &) const
	Will be called just before registering the [GTk]DD on a [GTk]PanelDisplay which has none registered on it yet. More...

virtual void	handleEvent (DisplayEvent &ev)
	Overide DisplayEH::handleEvent. More...

virtual casacore::Bool	isCSmaster (const WorldCanvasHolder *wch=0) const
	Is this DD the CS master of the passed WCH? Defaulting wch to 0 asks whether this DD is CS master of some WCH on which it is registered. More...

virtual casacore::Int	uiBase () const
	DD 'Absolute Pixel Coordinates', e.g. More...

virtual void	setUIBase (casacore::Int uibase)

virtual casacore::Bool	getDelTmpData ()
	Get and set method for the flag. More...

virtual void	setDelTmpData (casacore::Bool delTmpData)

virtual void	setDisplayDataRed (DisplayData *)

virtual void	setDisplayDataBlue (DisplayData *)

virtual void	setDisplayDataGreen (DisplayData *)

Public Member Functions inherited from casa::DisplayOptions
	DisplayOptions ()
	Constructor. More...

virtual	~DisplayOptions ()
	Destructor. More...

template<class T >
casacore::Bool	readOptionRecord (casacore::Vector< T > &target, casacore::Bool &error, const casacore::Record &rec, const casacore::String &fieldname) const
	Find the field `fieldname` in casacore::Record `rec`, containing the requested type (casacore::Bool, casacore::String, casacore::Float, casacore::Int) in itself or its "value" sub-field, and return the value in `target`. More...

template<class T >
casacore::Bool	readOptionRecord (T &target, casacore::Bool &error, const casacore::Record &rec, const casacore::String &fieldname) const

virtual casacore::Bool	readOptionRecord (casacore::String &target, casacore::Bool &unsetTarget, casacore::Bool &error, const casacore::Record &rec, const casacore::String &fieldname) const
	Find the field `fieldname` in casacore::Record `rec`, containing the requested type (casacore::String) in itself or its "value" sub-field, and return the value in `target`. More...

casacore::Record	unset () const
	Return a casacore::Record which is an "unset" casacore::Record, ie. More...

casacore::Bool	isUnset (const casacore::Record &rec) const
	Return true or false indicating if the provided casacore::Record is equal to an "unset" Record. More...

Public Member Functions inherited from casa::DisplayEH
virtual	~DisplayEH ()

Public Member Functions inherited from casa::DlTarget
	DlTarget ()

	DlTarget (const DlTarget &)

virtual	~DlTarget ()

void	reg (DlHandleBase *p)

void	unreg (DlHandleBase *p)

Protected Member Functions
virtual CachingDisplayMethod *	newDisplayMethod (WorldCanvas worldCanvas, AttributeBuffer wchAttributes, AttributeBuffer ddAttributes, CachingDisplayData dd)=0
	Create a new (Caching)DisplayMethod for drawing on the given WorldCanvas when the AttributeBuffers are suitably matched to the current state of this DisplayData and of the WorldCanvas/Holder. More...

virtual AttributeBuffer	optionsAsAttributes ()
	Return the current options of this DisplayData as an AttributeBuffer. More...

virtual void	setCaching (const casacore::Bool caching)
	Return any additional Attributes to consider when searching the cache. More...

	CachingDisplayData (const CachingDisplayData &other)
	(Required) copy constructor. More...

void	operator= (const CachingDisplayData &other)
	(Required) copy assignment. More...

Protected Member Functions inherited from casa::DisplayData
virtual casacore::Bool	setActiveZIndex_ (casacore::Int zindex)
	DDs may override to adjust the internal stored current animation index (activeZIndex_) if necessary, and to set return value false iff the passed zindex won't work for the DD. More...

casacore::Bool	conformed ()
	Returns result of last call to conformsTo(WCH&). More...

casacore::Bool	isCsAndZIndexConformed ()
	Added so that when two images are loaded with no velocity alignment, they can still show their position coordinates without having to be rstrsConformed. More...

virtual casacore::Bool	sizeControl (WorldCanvasHolder &wcHolder, AttributeBuffer &holderBuf)=0
	Set (coordinate) state of WCH's WC. More...

virtual void	delTmpData (casacore::String &tmpData)
	Delete temporary data. More...

virtual const std::list < WCPositionEH * > *	positionEventHandlerList ()
	Retrieve position, motion, refresh and display event handler lists. More...

virtual const std::list < WCMotionEH * > *	motionEventHandlerList ()

virtual const std::list < WCRefreshEH * > *	refreshEventHandlerList ()

virtual const std::list < DisplayEH * > *	displayEventHandlerList ()

virtual void	positionEH (const WCPositionEvent &ev)
	Position, motion and refresh event handlers that will generally be called by a WorldCanvasHolder. More...

virtual void	motionEH (const WCMotionEvent &ev)

virtual void	cleanup ()=0
	clean up the memory used by this DisplayData More...

	DisplayData (const DisplayData &other)
	(Required) copy constructor. More...

void	operator= (const DisplayData &other)
	(Required) copy assignment. More...

Protected Member Functions inherited from casa::DisplayOptions
	DisplayOptions (const DisplayOptions &other)
	(Required) copy constructor. More...

void	operator= (const DisplayOptions &other)
	(Required) copy assignment. More...

Protected Attributes
casacore::Bool	restorePCColormap_
	The default is false. More...

Protected Attributes inherited from casa::DisplayData
AttributeBuffer	restrictions
	The Book says that we should not put data members in class that is supposed to only define an interface, but by putting these here, we can implement some of the restriction & eventhandling stuff so that people do not have to repeat it. More...

AttributeBuffer	attributes
	buffer for storing Attributes More...

casacore::PtrBlock< void * >	DDelement
	list of DisplayDataElements, which are of type DisplayMethod or derived More...

casacore::Int	activeZIndex_
	Indicates the 'current' animation frame, i.e. More...

casacore::Bool	delTmpData_
	Flag indicating that temporary data should be removed when deleting the object. More...

casacore::Bool	rstrsConformed_
	Somewhat limited-use state, saved here for 'efficiency'. More...

casacore::Bool	csConformed_

casacore::Bool	zIndexConformed_

Private Member Functions
void	trimCache ()
	Clear out cache entries beyond end of list. More...

void	installDefaultOptions ()
	Install the default options for this DisplayData. More...

Private Attributes
casacore::Bool	itsCachingState
	Caching state. More...

casacore::Int	itsDefaultMaximumCacheSize
	Default and actual maximum length of element list. More...

casacore::Int	itsOptionsMaximumCacheSize

std::list< void * >	itsElementList
	casacore::List containing the CachingDisplayMethods for this CachingDisplayData. More...

Additional Inherited Members
Public Types inherited from casa::DisplayData
enum	DisplayState { DISPLAYED, UNDISPLAYED, LIMBO }

Static Public Attributes inherited from casa::DisplayData
static const casacore::String	DATA_MIN

static const casacore::String	DATA_MAX

Detailed Description

Base class for auto-caching DisplayData objects.

Intended use:

Public interface

Prerequisite

DisplayData

Etymology

"CachingDisplayData" is an implementation of a DisplayData which provides automatic caching of individual depictions of the data.

Synopsis

This class adds to the interface defined in DisplayData . It adds an "automagic" caching system, which takes care of managing a set of individual drawings made by the DisplayData, and using previously generated drawing commands where applicable. For example, the user might be playing a movie of several frames in a DisplayData. The automagic caching will ensure that after one complete loop, while parameters affecting the display of the data do not change, all subsequent drawings will be made from a cache of drawing commands. Furthermore, provided the cache is large enough, the user may alter parameters, view some more frames, then return the parameters to their original state, and there may still be older cached drawings which can be used.

The automagic caching also handles the case where a single DisplayData is registered on more than one WorldCanvasHolder . Thus a miniature view of the data could be shown in one window, and an expanded view in another, with full automagic caching available on both.

This is a base class. Derived classes must implement the newDisplayMethod method, which is called to construct a new CachingDisplayMethod when the cache cannot satisfy the current drawing request. The method optionsAsAttributes should also be implemented: when a new CachingDisplayMethod is constructed, the return value of this method will be used to tag the parameters used in the drawing itself. Finally, the method cachingAttributes can be over-ridden, and should return any additional Attributes which should be considered in searches of the cache.

Motivation

Most DisplayData classes will offer more than one view of the data. Caching is therefore desirable to improve display speed for re-display of individual views of the data. It is nice to keep the caching in one place, hence this class.

Definition at line 103 of file CachingDisplayData.h.

Constructor & Destructor Documentation

casa::CachingDisplayData::CachingDisplayData ( )

Constructor.

virtual casa::CachingDisplayData::~CachingDisplayData ( )

virtual

Destructor.

casa::CachingDisplayData::CachingDisplayData ( const CachingDisplayData & other )

protected

(Required) copy constructor.

Member Function Documentation

virtual casacore::Record casa::CachingDisplayData::getOptions ( bool scrub = false ) const

virtual

Retrieve the current and default options and parameter types.

Reimplemented from casa::DisplayData.

Reimplemented in casa::Profile2dDD, casa::MSAsRaster, casa::TblAsRasterDD, casa::TblAsContourDD, casa::TblAsXYDD, casa::WedgeDD, casa::PassiveCachingDD, casa::ActiveCaching2dDD, casa::Histogram2dDD, casa::AxesDisplayData, casa::PassiveTableDD, casa::WorldAxesDD, casa::SkyCatOverlayDD, and casa::DrawingDisplayData.

void casa::CachingDisplayData::installDefaultOptions ( )

private

Install the default options for this DisplayData.

virtual CachingDisplayMethod* casa::CachingDisplayData::newDisplayMethod	(	WorldCanvas *	worldCanvas,
		AttributeBuffer *	wchAttributes,
		AttributeBuffer *	ddAttributes,
		CachingDisplayData *	dd
	)

protectedpure virtual

Create a new (Caching)DisplayMethod for drawing on the given WorldCanvas when the AttributeBuffers are suitably matched to the current state of this DisplayData and of the WorldCanvas/Holder.

Implemented in casa::RegionShape, casa::MSAsRaster, casa::Profile2dDD, casa::TblAsRasterDD, casa::TblAsContourDD, casa::TblAsXYDD, casa::WedgeDD, casa::Histogram2dDD, casa::AxesDisplayData, casa::SkyCatOverlayDD, casa::DrawingDisplayData, and casa::WorldAxesDD.

virtual void casa::CachingDisplayData::notifyRegister ( WorldCanvasHolder * wcHolder )

virtual

Reimplemented from casa::DisplayData.

Reimplemented in casa::MSAsRaster.

virtual void casa::CachingDisplayData::notifyUnregister	(	WorldCanvasHolder &	wcHolder,
		casacore::Bool	ignoreRefresh = `false`
	)

virtual

ignoreRefresh tells the DD not to refresh just to clean up DMs

Reimplemented from casa::DisplayData.

Reimplemented in casa::MSAsRaster, casa::Profile2dDD, and casa::WedgeDD.

void casa::CachingDisplayData::operator= ( const CachingDisplayData & other )

protected

(Required) copy assignment.

virtual AttributeBuffer casa::CachingDisplayData::optionsAsAttributes ( )

protectedvirtual

Return the current options of this DisplayData as an AttributeBuffer.

The caller must delete the returned buffer.

Reimplemented in casa::Profile2dDD, casa::MSAsRaster, casa::TblAsRasterDD, casa::TblAsContourDD, casa::TblAsXYDD, casa::WedgeDD, casa::PassiveCachingDD, casa::ActiveCaching2dDD, casa::Histogram2dDD, casa::AxesDisplayData, casa::SkyCatOverlayDD, casa::DrawingDisplayData, casa::WorldAxesDD, and casa::PassiveTableDD.

virtual void casa::CachingDisplayData::purgeCache ( )

virtual

Empty cache completely.

Reimplemented in casa::MSAsRaster.

Referenced by casa::MSAsRaster::purgeCache().

virtual void casa::CachingDisplayData::purgeCache ( const WorldCanvasHolder & wch )

virtual

Empty cache of all DMs for a given WCH.

Reimplemented in casa::MSAsRaster.

virtual void casa::CachingDisplayData::refreshEH ( const WCRefreshEvent & ev )

virtual

Refresh event handler which is called indirectly by the WorldCanvas, via the WorldCanvasHolder.

This function will take care of calling newDisplayMethod when necessary, and otherwise using an existing (previously cached) draw list.

Implements casa::DisplayData.

Reimplemented in casa::PassiveCachingDD, and casa::DrawingDisplayData.

virtual void casa::CachingDisplayData::setCaching ( const casacore::Bool caching )

protectedvirtual

Return any additional Attributes to consider when searching the cache.

I guess I might put things like Colormap setup in here, since we need a way to handle the Colormap size being altered, and later returned to its original size/location in the PCColorTable, etc. Turn caching on/off.

virtual void casa::CachingDisplayData::setColormap	(	Colormap *	cmap,
		casacore::Float	weight
	)

virtual

Purges cache, to avoid reusing images with the wrong colormap, then calls base class version.

Reimplemented from casa::DisplayData.

virtual void casa::CachingDisplayData::setDefaultOptions ( )

virtual

Install the default options for this DisplayData.

Reimplemented from casa::DisplayData.

Reimplemented in casa::Profile2dDD, casa::MSAsRaster, casa::TblAsRasterDD, casa::TblAsContourDD, casa::TblAsXYDD, casa::WedgeDD, casa::PassiveCachingDD, casa::ActiveCaching2dDD, casa::Histogram2dDD, casa::AxesDisplayData, casa::PassiveTableDD, casa::WorldAxesDD, casa::SkyCatOverlayDD, and casa::DrawingDisplayData.

virtual casacore::Bool casa::CachingDisplayData::setOptions	(	casacore::Record &	rec,
		casacore::Record &	recOut
	)

virtual

Apply options stored in rec to the DisplayData.

A return value of true means a refresh is needed. recOut contains any fields which were implicitly changed as a result of the call to this function. The options handled by this class are: cachesize: an integer specifying the maximum number of views which can be stored in the cache. The default value can be specified by the display.cachesize variable in the user's .aipsrc file, and in lieu of that, will be 256. If cachesize is lowered by a call to this method, the cache will be shrunk in size, with the oldest drawings being removed first.

Reimplemented from casa::DisplayData.

Reimplemented in casa::Profile2dDD, casa::MSAsRaster, casa::TblAsRasterDD, casa::TblAsContourDD, casa::TblAsXYDD, casa::WedgeDD, casa::PassiveCachingDD, casa::ActiveCaching2dDD, casa::Histogram2dDD, casa::AxesDisplayData, casa::PassiveTableDD, casa::WorldAxesDD, casa::SkyCatOverlayDD, and casa::DrawingDisplayData.

void casa::CachingDisplayData::trimCache ( )

private

Clear out cache entries beyond end of list.

Member Data Documentation

casacore::Bool casa::CachingDisplayData::itsCachingState

private

Caching state.

Definition at line 200 of file CachingDisplayData.h.

casacore::Int casa::CachingDisplayData::itsDefaultMaximumCacheSize

private

Default and actual maximum length of element list.

Definition at line 203 of file CachingDisplayData.h.

std::list<void *> casa::CachingDisplayData::itsElementList

private

casacore::List containing the CachingDisplayMethods for this CachingDisplayData.

Definition at line 207 of file CachingDisplayData.h.

casacore::Int casa::CachingDisplayData::itsOptionsMaximumCacheSize

private

Definition at line 203 of file CachingDisplayData.h.

casacore::Bool casa::CachingDisplayData::restorePCColormap_

protected

The default is false.

Derived DDs (such as WedgeDD) can set it true so that the colormap on the PixelCanvas before the DD draws is restored to it afterward. The 'colormap fiddling' mouse tools can (unfortunately) only operate on the PC's current colormap; this kludge is an attempt to assure that the 'right' one is left there.

Definition at line 195 of file CachingDisplayData.h.

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

casa/code/display/DisplayDatas/CachingDisplayData.h

Public Member Functions

Protected Member Functions

Protected Attributes

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Intended use:

Prerequisite

Etymology

Synopsis

Motivation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation