A symbol layer class for displaying displacement arrows based on point layer attributes. More...

#include <qgsvectorfieldsymbollayer.h>

Inheritance diagram for QgsVectorFieldSymbolLayer:

Public Types
enum	AngleOrientation { ClockwiseFromNorth = 0, CounterclockwiseFromEast }
enum	AngleUnits { Degrees = 0, Radians }
enum	VectorFieldType { Cartesian = 0, Polar, Height }
Public Types inherited from QgsMarkerSymbolLayerV2
enum	HorizontalAnchorPoint { Left, HCenter, Right }
enum	VerticalAnchorPoint { Top, VCenter, Bottom }

Public Member Functions
	QgsVectorFieldSymbolLayer ()
	~QgsVectorFieldSymbolLayer ()
AngleOrientation	angleOrientation () const
AngleUnits	angleUnits () const
QgsSymbolLayerV2 *	clone () const override
const QgsMapUnitScale &	distanceMapUnitScale () const
QgsSymbolV2::OutputUnit	distanceUnit () const
void	drawPreviewIcon (QgsSymbolV2RenderContext &context, QSize size) override
QString	layerType () const override
QgsMapUnitScale	mapUnitScale () const override
QgsSymbolV2::OutputUnit	outputUnit () const override
QgsStringMap	properties () const override
void	renderPoint (const QPointF &point, QgsSymbolV2RenderContext &context) override
double	scale () const
void	setAngleOrientation (AngleOrientation orientation)
void	setAngleUnits (AngleUnits units)
void	setDistanceMapUnitScale (const QgsMapUnitScale &scale)
void	setDistanceUnit (QgsSymbolV2::OutputUnit unit)
void	setMapUnitScale (const QgsMapUnitScale &scale) override
void	setOutputUnit (QgsSymbolV2::OutputUnit unit) override
void	setScale (double s)
bool	setSubSymbol (QgsSymbolV2 *symbol) override
void	setVectorFieldType (VectorFieldType type)
void	setXAttribute (const QString &attribute)
void	setYAttribute (const QString &attribute)
void	startRender (QgsSymbolV2RenderContext &context) override
void	stopRender (QgsSymbolV2RenderContext &context) override
QgsSymbolV2 *	subSymbol () override
void	toSld (QDomDocument &doc, QDomElement &element, QgsStringMap props) const override
QSet< QString >	usedAttributes () const override
VectorFieldType	vectorFieldType () const
QString	xAttribute () const
QString	yAttribute () const
Public Member Functions inherited from QgsMarkerSymbolLayerV2
double	angle () const
HorizontalAnchorPoint	horizontalAnchorPoint () const
QPointF	offset ()
const QgsMapUnitScale &	offsetMapUnitScale () const
QgsSymbolV2::OutputUnit	offsetUnit () const
QgsSymbolV2::ScaleMethod	scaleMethod () const
void	setAngle (double angle)
void	setHorizontalAnchorPoint (HorizontalAnchorPoint h)
void	setOffset (QPointF offset)
void	setOffsetMapUnitScale (const QgsMapUnitScale &scale)
void	setOffsetUnit (QgsSymbolV2::OutputUnit unit)
void	setScaleMethod (QgsSymbolV2::ScaleMethod scaleMethod)
void	setSize (double size)
void	setSizeMapUnitScale (const QgsMapUnitScale &scale)
void	setSizeUnit (QgsSymbolV2::OutputUnit unit)
void	setVerticalAnchorPoint (VerticalAnchorPoint v)
double	size () const
const QgsMapUnitScale &	sizeMapUnitScale () const
QgsSymbolV2::OutputUnit	sizeUnit () const
VerticalAnchorPoint	verticalAnchorPoint () const
virtual void	writeSldMarker (QDomDocument &doc, QDomElement &element, QgsStringMap props) const
Public Member Functions inherited from QgsSymbolLayerV2
virtual	~QgsSymbolLayerV2 ()
virtual QColor	color () const
virtual const QgsExpression *	dataDefinedProperty (const QString &property) const
virtual QString	dataDefinedPropertyString (const QString &property) const
virtual QColor	dxfBrushColor (const QgsSymbolV2RenderContext &context) const
virtual Qt::BrushStyle	dxfBrushStyle () const
virtual QColor	dxfColor (const QgsSymbolV2RenderContext &context) const
virtual QVector< qreal >	dxfCustomDashPattern (QgsSymbolV2::OutputUnit &unit) const
virtual double	dxfOffset (const QgsDxfExport &e, const QgsSymbolV2RenderContext &context) const
virtual Qt::PenStyle	dxfPenStyle () const
virtual double	dxfWidth (const QgsDxfExport &e, const QgsSymbolV2RenderContext &context) const
virtual double	estimateMaxBleed () const
	Returns the estimated maximum distance which the layer style will bleed outside the drawn shape.
virtual QColor	fillColor () const
	Get fill color.
bool	hasDataDefinedProperties () const
bool	isLocked () const
virtual QString	ogrFeatureStyle (double mmScaleFactor, double mapUnitScaleFactor) const
virtual QColor	outlineColor () const
	Get outline color.
virtual void	removeDataDefinedProperties ()
virtual void	removeDataDefinedProperty (const QString &property)
int	renderingPass () const
virtual void	setColor (const QColor &color)
virtual void	setDataDefinedProperty (const QString &property, const QString &expressionString)
virtual void	setFillColor (const QColor &color)
	Set fill color.
void	setLocked (bool locked)
virtual void	setOutlineColor (const QColor &color)
	Set outline color.
void	setRenderingPass (int renderingPass)
QgsSymbolV2::SymbolType	type () const
virtual bool	writeDxf (QgsDxfExport &e, double mmMapUnitScaleFactor, const QString &layerName, const QgsSymbolV2RenderContext context, const QgsFeature f, const QPointF &shift=QPointF(0.0, 0.0)) const

Static Public Member Functions
static QgsSymbolLayerV2 *	create (const QgsStringMap &properties=QgsStringMap())
static QgsSymbolLayerV2 *	createFromSld (QDomElement &element)

Additional Inherited Members
Protected Member Functions inherited from QgsMarkerSymbolLayerV2
	QgsMarkerSymbolLayerV2 (bool locked=false)
void	markerOffset (const QgsSymbolV2RenderContext &context, double &offsetX, double &offsetY) const
void	markerOffset (const QgsSymbolV2RenderContext &context, double width, double height, double &offsetX, double &offsetY) const
void	markerOffset (const QgsSymbolV2RenderContext &context, double width, double height, QgsSymbolV2::OutputUnit widthUnit, QgsSymbolV2::OutputUnit heightUnit, double &offsetX, double &offsetY, const QgsMapUnitScale &widthMapUnitScale, const QgsMapUnitScale &heightMapUnitScale) const
Static Protected Member Functions inherited from QgsMarkerSymbolLayerV2
static QPointF	_rotatedOffset (const QPointF &offset, double angle)
Protected Attributes inherited from QgsMarkerSymbolLayerV2
double	mAngle
HorizontalAnchorPoint	mHorizontalAnchorPoint
QPointF	mOffset
QgsMapUnitScale	mOffsetMapUnitScale
QgsSymbolV2::OutputUnit	mOffsetUnit
QgsSymbolV2::ScaleMethod	mScaleMethod
double	mSize
QgsMapUnitScale	mSizeMapUnitScale
QgsSymbolV2::OutputUnit	mSizeUnit
VerticalAnchorPoint	mVerticalAnchorPoint
Static Protected Attributes inherited from QgsSymbolLayerV2
static const bool	selectFillBorder = false
static const bool	selectFillStyle = false
static const bool	selectionIsOpaque = true

Detailed Description

A symbol layer class for displaying displacement arrows based on point layer attributes.

Definition at line 24 of file qgsvectorfieldsymbollayer.h.

Member Enumeration Documentation

enum QgsVectorFieldSymbolLayer::AngleOrientation

Enumerator:

ClockwiseFromNorth
CounterclockwiseFromEast

Definition at line 34 of file qgsvectorfieldsymbollayer.h.

enum QgsVectorFieldSymbolLayer::AngleUnits

Enumerator:

Degrees
Radians

Definition at line 40 of file qgsvectorfieldsymbollayer.h.

enum QgsVectorFieldSymbolLayer::VectorFieldType

Enumerator:

Cartesian
Polar
Height

Definition at line 27 of file qgsvectorfieldsymbollayer.h.

Constructor & Destructor Documentation

QgsVectorFieldSymbolLayer::QgsVectorFieldSymbolLayer ( )

Definition at line 21 of file qgsvectorfieldsymbollayer.cpp.

QgsVectorFieldSymbolLayer::~QgsVectorFieldSymbolLayer ( )

Definition at line 36 of file qgsvectorfieldsymbollayer.cpp.

Member Function Documentation

AngleOrientation QgsVectorFieldSymbolLayer::angleOrientation ( ) const

inline

Definition at line 80 of file qgsvectorfieldsymbollayer.h.

AngleUnits QgsVectorFieldSymbolLayer::angleUnits ( ) const

inline

Definition at line 82 of file qgsvectorfieldsymbollayer.h.

QgsSymbolLayerV2 * QgsVectorFieldSymbolLayer::clone ( ) const

overridevirtual

Implements QgsSymbolLayerV2.

Definition at line 233 of file qgsvectorfieldsymbollayer.cpp.

QgsSymbolLayerV2 * QgsVectorFieldSymbolLayer::create ( const QgsStringMap & properties = QgsStringMap() )

static

Definition at line 71 of file qgsvectorfieldsymbollayer.cpp.

QgsSymbolLayerV2 * QgsVectorFieldSymbolLayer::createFromSld ( QDomElement & element )

static

Definition at line 269 of file qgsvectorfieldsymbollayer.cpp.

const QgsMapUnitScale& QgsVectorFieldSymbolLayer::distanceMapUnitScale ( ) const

inline

Definition at line 94 of file qgsvectorfieldsymbollayer.h.

QgsSymbolV2::OutputUnit QgsVectorFieldSymbolLayer::distanceUnit ( ) const

inline

Definition at line 91 of file qgsvectorfieldsymbollayer.h.

void QgsVectorFieldSymbolLayer::drawPreviewIcon	(	QgsSymbolV2RenderContext &	context,
		QSize	size
	)

overridevirtual

Reimplemented from QgsMarkerSymbolLayerV2.

Definition at line 275 of file qgsvectorfieldsymbollayer.cpp.

QString QgsVectorFieldSymbolLayer::layerType ( ) const

inlineoverridevirtual

Implements QgsSymbolLayerV2.

Definition at line 52 of file qgsvectorfieldsymbollayer.h.

QgsMapUnitScale QgsVectorFieldSymbolLayer::mapUnitScale ( ) const

overridevirtual

Reimplemented from QgsMarkerSymbolLayerV2.

Definition at line 62 of file qgsvectorfieldsymbollayer.cpp.

QgsSymbolV2::OutputUnit QgsVectorFieldSymbolLayer::outputUnit ( ) const

overridevirtual

Reimplemented from QgsMarkerSymbolLayerV2.

Definition at line 47 of file qgsvectorfieldsymbollayer.cpp.

QgsStringMap QgsVectorFieldSymbolLayer::properties ( ) const

overridevirtual

Implements QgsSymbolLayerV2.

Definition at line 243 of file qgsvectorfieldsymbollayer.cpp.

void QgsVectorFieldSymbolLayer::renderPoint	(	const QPointF &	point,
		QgsSymbolV2RenderContext &	context
	)

overridevirtual

Implements QgsMarkerSymbolLayerV2.

Definition at line 144 of file qgsvectorfieldsymbollayer.cpp.

double QgsVectorFieldSymbolLayer::scale ( ) const

inline

Definition at line 76 of file qgsvectorfieldsymbollayer.h.

void QgsVectorFieldSymbolLayer::setAngleOrientation ( AngleOrientation orientation )

inline

Definition at line 79 of file qgsvectorfieldsymbollayer.h.

void QgsVectorFieldSymbolLayer::setAngleUnits ( AngleUnits units )

inline

Definition at line 81 of file qgsvectorfieldsymbollayer.h.

void QgsVectorFieldSymbolLayer::setDistanceMapUnitScale ( const QgsMapUnitScale & scale )

inline

Definition at line 93 of file qgsvectorfieldsymbollayer.h.

void QgsVectorFieldSymbolLayer::setDistanceUnit ( QgsSymbolV2::OutputUnit unit )

inline

Definition at line 90 of file qgsvectorfieldsymbollayer.h.

void QgsVectorFieldSymbolLayer::setMapUnitScale ( const QgsMapUnitScale & scale )

overridevirtual

Reimplemented from QgsMarkerSymbolLayerV2.

Definition at line 56 of file qgsvectorfieldsymbollayer.cpp.

void QgsVectorFieldSymbolLayer::setOutputUnit ( QgsSymbolV2::OutputUnit unit )

overridevirtual

Reimplemented from QgsMarkerSymbolLayerV2.

Definition at line 41 of file qgsvectorfieldsymbollayer.cpp.

void QgsVectorFieldSymbolLayer::setScale ( double s )

inline

Definition at line 75 of file qgsvectorfieldsymbollayer.h.

bool QgsVectorFieldSymbolLayer::setSubSymbol ( QgsSymbolV2 * symbol )

overridevirtual

Reimplemented from QgsSymbolLayerV2.

Definition at line 133 of file qgsvectorfieldsymbollayer.cpp.

void QgsVectorFieldSymbolLayer::setVectorFieldType ( VectorFieldType type )

inline

Definition at line 77 of file qgsvectorfieldsymbollayer.h.

void QgsVectorFieldSymbolLayer::setXAttribute ( const QString & attribute )

inline

Definition at line 71 of file qgsvectorfieldsymbollayer.h.

void QgsVectorFieldSymbolLayer::setYAttribute ( const QString & attribute )

inline

Definition at line 73 of file qgsvectorfieldsymbollayer.h.

void QgsVectorFieldSymbolLayer::startRender ( QgsSymbolV2RenderContext & context )

overridevirtual

Reimplemented from QgsMarkerSymbolLayerV2.

Definition at line 205 of file qgsvectorfieldsymbollayer.cpp.

void QgsVectorFieldSymbolLayer::stopRender ( QgsSymbolV2RenderContext & context )

overridevirtual

Implements QgsSymbolLayerV2.

Definition at line 225 of file qgsvectorfieldsymbollayer.cpp.

QgsSymbolV2* QgsVectorFieldSymbolLayer::subSymbol ( )

inlineoverridevirtual

Reimplemented from QgsSymbolLayerV2.

Definition at line 55 of file qgsvectorfieldsymbollayer.h.

void QgsVectorFieldSymbolLayer::toSld	(	QDomDocument &	doc,
		QDomElement &	element,
		QgsStringMap	props
	)		const

overridevirtual

Reimplemented from QgsMarkerSymbolLayerV2.

Definition at line 263 of file qgsvectorfieldsymbollayer.cpp.

QSet< QString > QgsVectorFieldSymbolLayer::usedAttributes ( ) const

overridevirtual

Reimplemented from QgsSymbolLayerV2.

Definition at line 283 of file qgsvectorfieldsymbollayer.cpp.

VectorFieldType QgsVectorFieldSymbolLayer::vectorFieldType ( ) const

inline

Definition at line 78 of file qgsvectorfieldsymbollayer.h.

QString QgsVectorFieldSymbolLayer::xAttribute ( ) const

inline

Definition at line 72 of file qgsvectorfieldsymbollayer.h.

QString QgsVectorFieldSymbolLayer::yAttribute ( ) const

inline

Definition at line 74 of file qgsvectorfieldsymbollayer.h.

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

/tmp/buildd/qgis-2.8.2+12wheezy/src/core/symbology-ng/qgsvectorfieldsymbollayer.h
/tmp/buildd/qgis-2.8.2+12wheezy/src/core/symbology-ng/qgsvectorfieldsymbollayer.cpp

Public Types

Public Member Functions

Static Public Member Functions

Additional Inherited Members

Detailed Description

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation