Downloads and updates a database of orbital elements from CelesTrak. More...

Inheritance diagram for OrbitalElementsDatabase:

Collaboration diagram for OrbitalElementsDatabase:

Public Slots
void	download ()
	Starts the download of the orbital elements.

Signals
void	loaded ()
	Gets emitted once the satellite orbitals has been loaded.
void	error (const QString &msg)
	Gets emitted if the loading one of the sources fails.

Public Member Functions
	OrbitalElementsDatabase (bool autoLoad, unsigned int updatePeriodDays=7, QObject *parent=nullptr)
	Constructs a orbital element database.
bool	contains (unsigned int id) const
	`returns` `true` if the database contains a satellite with the given NORAD id.
OrbitalElement	getById (unsigned int id) const
	Returns the orbital elements for the satellite with the given NORAD id.
const OrbitalElement &	getAt (unsigned int idx) const
	Returns the i-th orbital element.
OrbitalElement &	getAt (unsigned int idx)
	Returns the i-th orbital element.
unsigned int	dbAge () const
	Returns the current age of the cache.
void	load ()
	If needed, downloads the database and loads all received orbital elements.
int	rowCount (const QModelIndex &parent=QModelIndex()) const
	Returns the number of elements in the database.
int	columnCount (const QModelIndex &parent=QModelIndex()) const
	Returns the number of columns of the database table.
QVariant	data (const QModelIndex &index, int role) const
	Returns a single cell of the database table.
QVariant	headerData (int section, Qt::Orientation orientation, int role) const
	Returns a single header of the database table.

Protected Member Functions
bool	load (const QString &filename)
	Loads a database from the given filename.

Detailed Description

Downloads and updates a database of orbital elements from CelesTrak.

Constructor & Destructor Documentation

OrbitalElementsDatabase::OrbitalElementsDatabase	(	bool	autoLoad,
		unsigned int	updatePeriodDays = 7,
		QObject *	parent = nullptr )

explicit

Constructs a orbital element database.

Parameters

autoLoad	[in] If `true`, the database gets downloaded and loaded automatically.
updatePeriodDays	[in] Specifies the max age of the local database cache in days.
parent	[in] Specifies the QObject parent.

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

/builddir/build/BUILD/qdmr-0.13.3-build/qdmr-0.13.3/lib/orbitalelementsdatabase.hh
/builddir/build/BUILD/qdmr-0.13.3-build/qdmr-0.13.3/lib/orbitalelementsdatabase.cc