GeoJsonHelper Namespace Reference

Functions
QJsonDocument	_loadFile (const QString &filePath, QString &errorString)
QVariantList	_extractShapeValues (const QVariantList &values)
void	_extractShapeValuesRecursive (const QVariant &value, QVariantList &shapes, int depth=0)
ShapeFileHelper::ShapeType	determineShapeType (const QString &filePath, QString &errorString)
bool	loadPolygonFromFile (const QString &filePath, QList< QGeoCoordinate > &vertices, QString &errorString)
bool	loadPolylineFromFile (const QString &filePath, QList< QGeoCoordinate > &coords, QString &errorString)
bool	loadGeoJsonCoordinate (const QJsonValue &jsonValue, bool altitudeRequired, QGeoCoordinate &coordinate, QString &errorString)
	returned error string if load failure
void	saveGeoJsonCoordinate (const QGeoCoordinate &coordinate, bool writeAltitude, QJsonValue &jsonValue)
	json value to save to

Variables
constexpr int	_maxRecursionDepth = 32
constexpr const char *	_errorPrefix = QT_TR_NOOP("GeoJson file load failed. %1")

Function Documentation

_extractShapeValues()

QVariantList GeoJsonHelper::_extractShapeValues

(

const QVariantList &

values

)

Definition at line 49 of file GeoJsonHelper.cc.

References _extractShapeValuesRecursive().

Referenced by determineShapeType(), loadPolygonFromFile(), and loadPolylineFromFile().

_extractShapeValuesRecursive()

void GeoJsonHelper::_extractShapeValuesRecursive	(	const QVariant &	value,
		QVariantList &	shapes,
		int	depth = 0
	)

Definition at line 26 of file GeoJsonHelper.cc.

References _extractShapeValuesRecursive(), and _maxRecursionDepth.

Referenced by _extractShapeValues(), and _extractShapeValuesRecursive().

_loadFile()

QJsonDocument GeoJsonHelper::_loadFile	(	const QString &	filePath,
		QString &	errorString
	)

Definition at line 58 of file GeoJsonHelper.cc.

References _errorPrefix, errorString, and JsonParsing::isJsonFile().

Referenced by determineShapeType(), loadPolygonFromFile(), and loadPolylineFromFile().

determineShapeType()

ShapeFileHelper::ShapeType GeoJsonHelper::determineShapeType	(	const QString &	filePath,
		QString &	errorString
	)

Definition at line 85 of file GeoJsonHelper.cc.

References _errorPrefix, _extractShapeValues(), _loadFile(), and errorString.

loadGeoJsonCoordinate()

bool GeoJsonHelper::loadGeoJsonCoordinate	(	const QJsonValue &	jsonValue,
		bool	altitudeRequired,
		QGeoCoordinate &	coordinate,
		QString &	errorString
	)

returned error string if load failure

Loads a QGeoCoordinate Stored as array [ lon, lat, alt ]

Returns

false: validation failed

Parameters

jsonValue	json value to load from
altitudeRequired	true: altitude must be specified
coordinate	returned QGeoCordinate

Definition at line 207 of file GeoJsonHelper.cc.

References errorString, and JsonHelper::loadGeoCoordinate().

loadPolygonFromFile()

bool GeoJsonHelper::loadPolygonFromFile	(	const QString &	filePath,
		QList< QGeoCoordinate > &	vertices,
		QString &	errorString
	)

Definition at line 125 of file GeoJsonHelper.cc.

References _errorPrefix, _extractShapeValues(), _loadFile(), and errorString.

loadPolylineFromFile()

bool GeoJsonHelper::loadPolylineFromFile	(	const QString &	filePath,
		QList< QGeoCoordinate > &	coords,
		QString &	errorString
	)

Definition at line 166 of file GeoJsonHelper.cc.

References _errorPrefix, _extractShapeValues(), _loadFile(), and errorString.

saveGeoJsonCoordinate()

void GeoJsonHelper::saveGeoJsonCoordinate	(	const QGeoCoordinate &	coordinate,
		bool	writeAltitude,
		QJsonValue &	jsonValue
	)

json value to save to

Saves a QGeoCoordinate Stored as array [ lon, lat, alt ]

Parameters

coordinate	QGeoCoordinate to save
writeAltitude	true: write altitude to json

Definition at line 212 of file GeoJsonHelper.cc.

References JsonHelper::saveGeoCoordinate().

Variable Documentation

_errorPrefix

constexpr const char* GeoJsonHelper::_errorPrefix = QT_TR_NOOP("GeoJson file load failed. %1")

constexpr

Definition at line 23 of file GeoJsonHelper.cc.

Referenced by _loadFile(), determineShapeType(), loadPolygonFromFile(), and loadPolylineFromFile().

_maxRecursionDepth

constexpr int GeoJsonHelper::_maxRecursionDepth = 32

constexpr

Definition at line 22 of file GeoJsonHelper.cc.

Referenced by _extractShapeValuesRecursive().