QgsGml Class Reference

This class reads data from a WFS server or alternatively from a GML file. More...

#include <qgsgml.h>

Signals
void	dataReadProgress (int progress)
void	totalStepsUpdate (int totalSteps)
void	dataProgressAndSteps (int progress, int totalSteps)

Public Member Functions
	QgsGml (const QString &typeName, const QString &geometryAttribute, const QgsFields &fields)
	~QgsGml ()
int	getFeatures (const QString &uri, QGis::WkbType *wkbType, QgsRectangle *extent=0, const QString &userName=QString(), const QString &password=QString())
	Does the Http GET request to the wfs server Supports only UTF-8, UTF-16, ISO-8859-1, ISO-8859-1 XML encodings.
int	getFeatures (const QByteArray &data, QGis::WkbType *wkbType, QgsRectangle *extent=0)
	Read from GML data.
QMap< QgsFeatureId, QgsFeature * >	featuresMap () const
	Get parsed features for given type name.
QMap< QgsFeatureId, QString >	idsMap () const
	Get feature ids map.
QgsCoordinateReferenceSystem	crs () const
	Returns features spatial reference system.

Detailed Description

This class reads data from a WFS server or alternatively from a GML file.

It uses the expat XML parser and an event based model to keep performance high. The parsing starts when the first data arrives, it does not wait until the request is finished

Constructor & Destructor Documentation

QgsGml::QgsGml	(	const QString &	typeName,
		const QString &	geometryAttribute,
		const QgsFields &	fields
	)

QgsGml::~QgsGml

(

)

Member Function Documentation

QgsCoordinateReferenceSystem QgsGml::crs

(

)

const

Returns features spatial reference system.

Note

Added in QGIS 2.1

void QgsGml::dataProgressAndSteps ( int  progress, int  totalSteps  )

signal

void QgsGml::dataReadProgress ( int  progress )

signal

QMap<QgsFeatureId, QgsFeature* > QgsGml::featuresMap ( ) const

inline

Get parsed features for given type name.

int QgsGml::getFeatures	(	const QString &	uri,
		QGis::WkbType *	wkbType,
		QgsRectangle *	extent = 0,
		const QString &	userName = QString(),
		const QString &	password = QString()
	)

Does the Http GET request to the wfs server Supports only UTF-8, UTF-16, ISO-8859-1, ISO-8859-1 XML encodings.

Parameters

uri	GML URL
wkbType	wkbType to retrieve
extent	retrieved extents
userName	username for authentication
password	password for authentication

Returns

0 in case of success

int QgsGml::getFeatures	(	const QByteArray &	data,
		QGis::WkbType *	wkbType,
		QgsRectangle *	extent = 0
	)

Read from GML data.

Constructor uri param is ignored Supports only UTF-8, UTF-16, ISO-8859-1, ISO-8859-1 XML encodings.

QMap<QgsFeatureId, QString > QgsGml::idsMap ( ) const

inline

Get feature ids map.

void QgsGml::totalStepsUpdate ( int  totalSteps )

signal

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

• /tmp/buildd/qgis-2.6.0+wheezy1/src/core/qgsgml.h
• /tmp/buildd/qgis-2.6.0+wheezy1/src/core/qgsgml.cpp