StelSkyImageTile Class Reference

Base class for any astro image with a fixed position.

#include <StelSkyImageTile.hpp>

Public Member Functions
	StelSkyImageTile ()
	Default constructor.
	StelSkyImageTile (const QString &url, StelSkyImageTile *parent=Q_NULLPTR)
	Constructor.
	StelSkyImageTile (const QVariantMap &map, StelSkyImageTile *parent)
	Constructor.
	~StelSkyImageTile ()
	Destructor.
void	draw (StelCore *core, StelPainter &sPainter, float opacity=1.)
	Draw the image on the screen.
DataSetCredits	getDataSetCredits () const
	Return the dataset credits to use in the progress bar.
ServerCredits	getServerCredits () const
	Return the server credits to use in the progress bar.
bool	isReadyToDisplay () const
	Return true if the tile is fully loaded and can be displayed.
QVariantMap	toQVariantMap () const
	Convert the image informations to a map following the JSON structure. More...
QString	getAbsoluteImageURI () const
	Return the absolute path/URL to the image file.
virtual QString	getLayerDescriptionHtml () const
	Return an HTML description of the image to be displayed in the GUI.
Public Member Functions inherited from MultiLevelJsonBase
	MultiLevelJsonBase (MultiLevelJsonBase *parent=Q_NULLPTR)
	Default constructor.
void	initFromUrl (const QString &url)
	Init the element from a URL. More...
void	initFromQVariantMap (const QVariantMap &map)
	Init the element from a QVariantMap. More...
	~MultiLevelJsonBase ()
	Destructor.
QString	getShortName () const
	Return the short name for this image to be used in the loading bar.
bool	hasErrorOccured () const
	Return true if an error occured while loading the data.
int	getLevel () const
	Get the depth level in the tree.
QVariantMap	toQVariantMap () const
	Convert the image informations to a map following the JSON structure. More...
void	scheduleChildsDeletion ()
	Schedule a deletion for all the childs. More...
Public Member Functions inherited from StelSkyLayer
	StelSkyLayer (QObject *parent=Q_NULLPTR)
virtual QString	getShortServerCredits () const
	Return the short server name to display in the loading bar.
virtual QString	getKeyHint () const
	Return a hint on which key to use for referencing this layer. More...
void	setFrameType (StelCore::FrameType ft)
	Set the reference frame type.
StelCore::FrameType	getFrameType ()
	Get the reference frame type.

Protected Member Functions
virtual void	loadFromQVariantMap (const QVariantMap &map)
	Reimplement the abstract method. More...
Protected Member Functions inherited from MultiLevelJsonBase
bool	isDeletionScheduled () const
	Return true if a deletion is currently scheduled.
void	updatePercent (int tot, int numToBeLoaded)
void	deleteUnusedSubTiles ()
	Delete all the subtiles which were not displayed since more than lastDrawTrigger seconds.
void	cancelDeletion ()
	If a deletion was scheduled, cancel it.

Protected Attributes
ServerCredits	serverCredits
	The credits of the server where this data come from.
DataSetCredits	dataSetCredits
	The credits for the data set.
QString	absoluteImageURI
	URL where the image is located.
float	luminance
	The image luminance in cd/m^2.
bool	alphaBlend
	Whether the texture must be blended.
bool	noTexture
	True if the tile is just a list of other tiles without texture for itself.
QList< SphericalRegionP >	skyConvexPolygons
	list of all the polygons.
StelTextureSP	tex
	The texture of the tile.
float	minResolution
	Minimum resolution of the data of the texture in degree/pixel.
double	birthJD
	Allow some images to be shown only after this date, e.g. Supernova remnants.
Protected Attributes inherited from MultiLevelJsonBase
QString	shortName
	The very short name for this image set to be used in loading bar.
QString	baseUrl
	Base URL to prefix to relative URL.
QString	contructorUrl
	The relative URL passed to the constructor.
QList< MultiLevelJsonBase * >	subTiles
	The list of all the created subtiles for this tile.
bool	errorOccured
	Set to true if an error occured with this tile and it should not be displayed.
bool	downloading
	true if the JSON descriptor file is currently downloading

Friends
class	StelSkyLayerMgr

Additional Inherited Members
Signals inherited from StelSkyLayer
void	loadingStateChanged (bool b)
	Emitted when loading of data started or stopped. More...
void	percentLoadedChanged (int percentage)
	Emitted when the percentage of loading tiles/tiles to be displayed changed. More...
Static Protected Member Functions inherited from MultiLevelJsonBase
static QVariantMap	loadFromJSON (QIODevice &input, bool qZcompressed=false, bool gzCompressed=false)
	Load the element information from a JSON file.

Member Function Documentation

virtual void StelSkyImageTile::loadFromQVariantMap ( const QVariantMap &  map )

protectedvirtual

Load the tile from a valid QVariantMap.

Implements MultiLevelJsonBase.

QVariantMap StelSkyImageTile::toQVariantMap

(

)

const

It can be saved as JSON using the StelJsonParser methods.