QgsGml Class Reference

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

#include <qgsgml.h>

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

Public Member Functions
	QgsGml (const QString &typeName, const QString &geometryAttribute, const QgsFields &fields)
	~QgsGml ()
QgsCoordinateReferenceSystem	crs () const
	Returns features spatial reference system.
QMap< QgsFeatureId, QgsFeature * >	featuresMap () const
	Get parsed features for given type name.
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, QString >	idsMap () const
	Get feature ids map.

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

Definition at line 41 of file qgsgml.h.

Constructor & Destructor Documentation

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

Definition at line 36 of file qgsgml.cpp.

QgsGml::~QgsGml

(

)

Definition at line 68 of file qgsgml.cpp.

Member Function Documentation

QgsCoordinateReferenceSystem QgsGml::crs

(

)

const

Returns features spatial reference system.

Note

Added in QGIS 2.1

Definition at line 994 of file qgsgml.cpp.

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.

Definition at line 69 of file qgsgml.h.

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

Definition at line 72 of file qgsgml.cpp.

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.

Definition at line 173 of file qgsgml.cpp.

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

inline

Get feature ids map.

Definition at line 72 of file qgsgml.h.

void QgsGml::totalStepsUpdate ( int  totalSteps )

signal

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

• /tmp/buildd/qgis-2.8.2+12wheezy/src/core/qgsgml.h
• /tmp/buildd/qgis-2.8.2+12wheezy/src/core/qgsgml.cpp