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QgsGraduatedSymbolRendererV2 Class Reference

#include <qgsgraduatedsymbolrendererv2.h>

Inheritance diagram for QgsGraduatedSymbolRendererV2:
Inheritance graph
[legend]

Public Types

enum  Mode {
  EqualInterval, Quantile, Jenks, StdDev,
  Pretty, Custom
}
 
- Public Types inherited from QgsFeatureRendererV2
enum  Capabilities {
  SymbolLevels = 1, RotationField = 1 << 1, MoreSymbolsPerFeature = 1 << 2, Filter = 1 << 3,
  ScaleDependent = 1 << 4
}
 

Public Member Functions

 QgsGraduatedSymbolRendererV2 (QString attrName=QString(), QgsRangeList ranges=QgsRangeList())
 
 QgsGraduatedSymbolRendererV2 (const QgsGraduatedSymbolRendererV2 &other)
 
virtual ~QgsGraduatedSymbolRendererV2 ()
 
void addClass (QgsSymbolV2 *symbol)
 
void addClass (QgsRendererRangeV2 range)
 
void addClass (double lower, double upper)
 
void calculateLabelPrecision (bool updateRanges=true)
 Reset the label decimal places to a numberbased on the minimum class interval. More...
 
virtual int capabilities ()
 returns bitwise OR-ed capabilities of the renderer More...
 
virtual void checkLegendSymbolItem (QString key, bool state=true)
 item in symbology was checked More...
 
QString classAttribute () const
 
virtual QgsFeatureRendererV2clone () const
 
void deleteAllClasses ()
 
void deleteClass (int idx)
 
virtual QString dump () const
 for debugging More...
 
QList< double > getDataValues (QgsVectorLayer *vlayer)
 Evaluates the data expression and returns the list of values from the layer. More...
 
bool invertedColorRamp ()
 
const
QgsRendererRangeV2LabelFormat
labelFormat () const
 Return the label format used to generate default classification labels. More...
 
virtual QString legendClassificationAttribute () const
 If supported by the renderer, return classification attribute for the use in legend. More...
 
virtual bool legendSymbolItemChecked (QString key)
 item in symbology was checked More...
 
virtual QgsLegendSymbolList legendSymbolItems (double scaleDenominator=-1, QString rule=QString())
 return a list of item text / symbol More...
 
virtual bool legendSymbolItemsCheckable () const
 items of symbology items in legend should be checkable More...
 
virtual QgsLegendSymbologyList legendSymbologyItems (QSize iconSize)
 return a list of symbology items for the legend More...
 
Mode mode () const
 
void moveClass (int from, int to)
 Moves the category at index position from to index position to. More...
 
virtual QgsSymbolV2originalSymbolForFeature (QgsFeature &feature)
 Return symbol for feature. More...
 
const QgsRangeListranges () const
 
QString rotationField () const
 return rotation field name (or empty string if not set or not supported by renderer) More...
 
virtual QDomElement save (QDomDocument &doc)
 store renderer info to XML element More...
 
QgsSymbolV2::ScaleMethod scaleMethod () const
 
void setClassAttribute (QString attr)
 
void setInvertedColorRamp (bool inverted)
 
void setLabelFormat (const QgsRendererRangeV2LabelFormat &labelFormat, bool updateRanges=false)
 Set the label format used to generate default classification labels. More...
 
void setMode (Mode mode)
 
void setRotationField (QString fieldOrExpression)
 sets rotation field of renderer (if supported by the renderer) More...
 
void setScaleMethod (QgsSymbolV2::ScaleMethod scaleMethod)
 
void setSizeScaleField (QString fieldOrExpression)
 
void setSourceColorRamp (QgsVectorColorRampV2 *ramp)
 
void setSourceSymbol (QgsSymbolV2 *sym)
 
QString sizeScaleField () const
 
void sortByLabel (Qt::SortOrder order=Qt::AscendingOrder)
 
void sortByValue (Qt::SortOrder order=Qt::AscendingOrder)
 
QgsVectorColorRampV2sourceColorRamp ()
 
QgsSymbolV2sourceSymbol ()
 
virtual void startRender (QgsRenderContext &context, const QgsFields &fields)
 
virtual void stopRender (QgsRenderContext &context)
 
virtual QgsSymbolV2symbolForFeature (QgsFeature &feature)
 to be overridden More...
 
virtual QgsSymbolV2List symbols ()
 for symbol levels More...
 
virtual void toSld (QDomDocument &doc, QDomElement &element) const
 used from subclasses to create SLD Rule elements following SLD v1.1 specs More...
 
void updateClasses (QgsVectorLayer *vlayer, Mode mode, int nclasses)
 Recalculate classes for a layer. More...
 
void updateColorRamp (QgsVectorColorRampV2 *ramp=0, bool inverted=false)
 Update the color ramp used. More...
 
bool updateRangeLabel (int rangeIndex, QString label)
 
bool updateRangeLowerValue (int rangeIndex, double value)
 
bool updateRangeRenderState (int rangeIndex, bool render)
 
bool updateRangeSymbol (int rangeIndex, QgsSymbolV2 *symbol)
 
bool updateRangeUpperValue (int rangeIndex, double value)
 
void updateSymbols (QgsSymbolV2 *sym)
 Update all the symbols but leave breaks and colors. More...
 
virtual QList< QString > usedAttributes ()
 
- Public Member Functions inherited from QgsFeatureRendererV2
virtual ~QgsFeatureRendererV2 ()
 
virtual QgsLegendSymbolListV2 legendSymbolItemsV2 () const
 Return a list of symbology items for the legend. More...
 
virtual void modifyRequestExtent (QgsRectangle &extent, QgsRenderContext &context)
 Allows for a renderer to modify the extent of a feature request prior to rendering. More...
 
virtual QgsSymbolV2List originalSymbolsForFeature (QgsFeature &feat)
 Equivalent of originalSymbolsForFeature() call extended to support renderers that may use more symbols per feature - similar to symbolsForFeature() More...
 
virtual bool renderFeature (QgsFeature &feature, QgsRenderContext &context, int layer=-1, bool selected=false, bool drawVertexMarker=false)
 
void setUsingSymbolLevels (bool usingSymbolLevels)
 
void setVertexMarkerAppearance (int type, int size)
 set type and size of editing vertex markers for subsequent rendering More...
 
virtual Q_DECL_DEPRECATED void startRender (QgsRenderContext &context, const QgsVectorLayer *vlayer)
 
virtual QgsSymbolV2List symbolsForFeature (QgsFeature &feat)
 return list of symbols used for rendering the feature. More...
 
QString type () const
 
bool usingSymbolLevels () const
 
virtual bool willRenderFeature (QgsFeature &feat)
 return whether the renderer will render a feature or not. More...
 
virtual QDomElement writeSld (QDomDocument &doc, const QgsVectorLayer &layer) const
 create the SLD UserStyle element following the SLD v1.1 specs More...
 

Static Public Member Functions

static
QgsGraduatedSymbolRendererV2
convertFromRenderer (const QgsFeatureRendererV2 *renderer)
 creates a QgsGraduatedSymbolRendererV2 from an existing renderer. More...
 
static QgsFeatureRendererV2create (QDomElement &element)
 create renderer from XML element More...
 
static
QgsGraduatedSymbolRendererV2
createRenderer (QgsVectorLayer *vlayer, QString attrName, int classes, Mode mode, QgsSymbolV2 *symbol, QgsVectorColorRampV2 *ramp, bool inverted=false, QgsRendererRangeV2LabelFormat legendFormat=QgsRendererRangeV2LabelFormat())
 
- Static Public Member Functions inherited from QgsFeatureRendererV2
static QgsFeatureRendererV2defaultRenderer (QGis::GeometryType geomType)
 return a new renderer - used by default in vector layers More...
 
static QgsFeatureRendererV2load (QDomElement &symbologyElem)
 create a renderer from XML element More...
 
static QgsFeatureRendererV2loadSld (const QDomNode &node, QGis::GeometryType geomType, QString &errorMessage)
 create a new renderer according to the information contained in the UserStyle element of a SLD style document More...
 

Protected Member Functions

QgsSymbolV2symbolForValue (double value)
 
- Protected Member Functions inherited from QgsFeatureRendererV2
 QgsFeatureRendererV2 (QString type)
 
void renderFeatureWithSymbol (QgsFeature &feature, QgsSymbolV2 *symbol, QgsRenderContext &context, int layer, bool selected, bool drawVertexMarker)
 
void renderVertexMarker (QPointF &pt, QgsRenderContext &context)
 render editing vertex marker at specified point More...
 
void renderVertexMarkerPolygon (QPolygonF &pts, QList< QPolygonF > *rings, QgsRenderContext &context)
 render editing vertex marker for a polygon More...
 
void renderVertexMarkerPolyline (QPolygonF &pts, QgsRenderContext &context)
 render editing vertex marker for a polyline More...
 
void setScaleMethodToSymbol (QgsSymbolV2 *symbol, int scaleMethod)
 

Protected Attributes

QString mAttrName
 
int mAttrNum
 attribute index (derived from attribute name in startRender) More...
 
bool mCounting
 
QScopedPointer< QgsExpressionmExpression
 
bool mInvertedColorRamp
 
QgsRendererRangeV2LabelFormat mLabelFormat
 
Mode mMode
 
QgsRangeList mRanges
 
QScopedPointer< QgsExpressionmRotation
 
QgsSymbolV2::ScaleMethod mScaleMethod
 
QScopedPointer< QgsExpressionmSizeScale
 
QScopedPointer
< QgsVectorColorRampV2
mSourceColorRamp
 
QScopedPointer< QgsSymbolV2mSourceSymbol
 
QHash< QgsSymbolV2
*, QgsSymbolV2 * > 
mTempSymbols
 temporary symbols, used for data-defined rotation and scaling More...
 
- Protected Attributes inherited from QgsFeatureRendererV2
int mCurrentVertexMarkerSize
 The current size of editing marker. More...
 
int mCurrentVertexMarkerType
 The current type of editing marker. More...
 
QString mType
 
bool mUsingSymbolLevels
 

Additional Inherited Members

- Static Protected Member Functions inherited from QgsFeatureRendererV2
static const unsigned char * _getLineString (QPolygonF &pts, QgsRenderContext &context, const unsigned char *wkb)
 
static const unsigned char * _getPoint (QPointF &pt, QgsRenderContext &context, const unsigned char *wkb)
 
static const unsigned char * _getPolygon (QPolygonF &pts, QList< QPolygonF > &holes, QgsRenderContext &context, const unsigned char *wkb)
 

Detailed Description

Definition at line 113 of file qgsgraduatedsymbolrendererv2.h.

Member Enumeration Documentation

Enumerator
EqualInterval 
Quantile 
Jenks 
StdDev 
Pretty 
Custom 

Definition at line 168 of file qgsgraduatedsymbolrendererv2.h.

Constructor & Destructor Documentation

QgsGraduatedSymbolRendererV2::QgsGraduatedSymbolRendererV2 ( QString  attrName = QString(),
QgsRangeList  ranges = QgsRangeList() 
)

Definition at line 280 of file qgsgraduatedsymbolrendererv2.cpp.

QgsGraduatedSymbolRendererV2::QgsGraduatedSymbolRendererV2 ( const QgsGraduatedSymbolRendererV2 other)
QgsGraduatedSymbolRendererV2::~QgsGraduatedSymbolRendererV2 ( )
virtual

Definition at line 291 of file qgsgraduatedsymbolrendererv2.cpp.

Member Function Documentation

void QgsGraduatedSymbolRendererV2::addClass ( QgsSymbolV2 symbol)

Definition at line 1444 of file qgsgraduatedsymbolrendererv2.cpp.

void QgsGraduatedSymbolRendererV2::addClass ( QgsRendererRangeV2  range)
Note
available in python bindings as addClassRange

Definition at line 1458 of file qgsgraduatedsymbolrendererv2.cpp.

void QgsGraduatedSymbolRendererV2::addClass ( double  lower,
double  upper 
)
Note
available in python bindings as addClassLowerUpper

Definition at line 1451 of file qgsgraduatedsymbolrendererv2.cpp.

void QgsGraduatedSymbolRendererV2::calculateLabelPrecision ( bool  updateRanges = true)

Reset the label decimal places to a numberbased on the minimum class interval.

Parameters
updateRangesif true then ranges currently using the default label will be updated
Note
Added in 2.6

Definition at line 1486 of file qgsgraduatedsymbolrendererv2.cpp.

virtual int QgsGraduatedSymbolRendererV2::capabilities ( )
inlinevirtual

returns bitwise OR-ed capabilities of the renderer

Reimplemented from QgsFeatureRendererV2.

Definition at line 138 of file qgsgraduatedsymbolrendererv2.h.

void QgsGraduatedSymbolRendererV2::checkLegendSymbolItem ( QString  key,
bool  state = true 
)
virtual

item in symbology was checked

Note
added in 2.6

Reimplemented from QgsFeatureRendererV2.

Definition at line 1435 of file qgsgraduatedsymbolrendererv2.cpp.

QString QgsGraduatedSymbolRendererV2::classAttribute ( ) const
inline

Definition at line 142 of file qgsgraduatedsymbolrendererv2.h.

QgsFeatureRendererV2 * QgsGraduatedSymbolRendererV2::clone ( ) const
virtual

Implements QgsFeatureRendererV2.

Definition at line 501 of file qgsgraduatedsymbolrendererv2.cpp.

QgsGraduatedSymbolRendererV2 * QgsGraduatedSymbolRendererV2::convertFromRenderer ( const QgsFeatureRendererV2 renderer)
static

creates a QgsGraduatedSymbolRendererV2 from an existing renderer.

Note
added in 2.6
Returns
a new renderer if the conversion was possible, otherwise 0.

Definition at line 1567 of file qgsgraduatedsymbolrendererv2.cpp.

QgsFeatureRendererV2 * QgsGraduatedSymbolRendererV2::create ( QDomElement &  element)
static

create renderer from XML element

Definition at line 1109 of file qgsgraduatedsymbolrendererv2.cpp.

QgsGraduatedSymbolRendererV2 * QgsGraduatedSymbolRendererV2::createRenderer ( QgsVectorLayer vlayer,
QString  attrName,
int  classes,
Mode  mode,
QgsSymbolV2 symbol,
QgsVectorColorRampV2 ramp,
bool  inverted = false,
QgsRendererRangeV2LabelFormat  legendFormat = QgsRendererRangeV2LabelFormat() 
)
static

Definition at line 936 of file qgsgraduatedsymbolrendererv2.cpp.

void QgsGraduatedSymbolRendererV2::deleteAllClasses ( )

Definition at line 1468 of file qgsgraduatedsymbolrendererv2.cpp.

void QgsGraduatedSymbolRendererV2::deleteClass ( int  idx)

Definition at line 1463 of file qgsgraduatedsymbolrendererv2.cpp.

QString QgsGraduatedSymbolRendererV2::dump ( ) const
virtual

for debugging

Reimplemented from QgsFeatureRendererV2.

Definition at line 493 of file qgsgraduatedsymbolrendererv2.cpp.

QList< double > QgsGraduatedSymbolRendererV2::getDataValues ( QgsVectorLayer vlayer)

Evaluates the data expression and returns the list of values from the layer.

Parameters
vlayerThe layer for which to evaluate the expression
Note
Added in 2.6

Definition at line 958 of file qgsgraduatedsymbolrendererv2.cpp.

bool QgsGraduatedSymbolRendererV2::invertedColorRamp ( )
inline
Note
added in 2.1

Definition at line 235 of file qgsgraduatedsymbolrendererv2.h.

const QgsRendererRangeV2LabelFormat& QgsGraduatedSymbolRendererV2::labelFormat ( ) const
inline

Return the label format used to generate default classification labels.

Note
Added in 2.6

Definition at line 193 of file qgsgraduatedsymbolrendererv2.h.

virtual QString QgsGraduatedSymbolRendererV2::legendClassificationAttribute ( ) const
inlinevirtual

If supported by the renderer, return classification attribute for the use in legend.

Note
added in 2.6

Reimplemented from QgsFeatureRendererV2.

Definition at line 269 of file qgsgraduatedsymbolrendererv2.h.

bool QgsGraduatedSymbolRendererV2::legendSymbolItemChecked ( QString  key)
virtual

item in symbology was checked

Note
added in 2.6

Reimplemented from QgsFeatureRendererV2.

Definition at line 1425 of file qgsgraduatedsymbolrendererv2.cpp.

QgsLegendSymbolList QgsGraduatedSymbolRendererV2::legendSymbolItems ( double  scaleDenominator = -1,
QString  rule = QString() 
)
virtual

return a list of item text / symbol

Note
not available in python bindings

Reimplemented from QgsFeatureRendererV2.

Definition at line 1310 of file qgsgraduatedsymbolrendererv2.cpp.

bool QgsGraduatedSymbolRendererV2::legendSymbolItemsCheckable ( ) const
virtual

items of symbology items in legend should be checkable

Note
added in 2.5

Reimplemented from QgsFeatureRendererV2.

Definition at line 1420 of file qgsgraduatedsymbolrendererv2.cpp.

QgsLegendSymbologyList QgsGraduatedSymbolRendererV2::legendSymbologyItems ( QSize  iconSize)
virtual

return a list of symbology items for the legend

Reimplemented from QgsFeatureRendererV2.

Definition at line 1297 of file qgsgraduatedsymbolrendererv2.cpp.

Mode QgsGraduatedSymbolRendererV2::mode ( ) const
inline

Definition at line 178 of file qgsgraduatedsymbolrendererv2.h.

void QgsGraduatedSymbolRendererV2::moveClass ( int  from,
int  to 
)

Moves the category at index position from to index position to.

Definition at line 1515 of file qgsgraduatedsymbolrendererv2.cpp.

QgsSymbolV2 * QgsGraduatedSymbolRendererV2::originalSymbolForFeature ( QgsFeature feature)
virtual

Return symbol for feature.

The difference compared to symbolForFeature() is that it returns original symbol which can be used as an identifier for renderer's rule - the former may return a temporary replacement of a symbol for use in rendering.

Note
added in 2.6

Reimplemented from QgsFeatureRendererV2.

Definition at line 344 of file qgsgraduatedsymbolrendererv2.cpp.

const QgsRangeList& QgsGraduatedSymbolRendererV2::ranges ( ) const
inline

Definition at line 145 of file qgsgraduatedsymbolrendererv2.h.

QString QgsGraduatedSymbolRendererV2::rotationField ( ) const
virtual

return rotation field name (or empty string if not set or not supported by renderer)

Reimplemented from QgsFeatureRendererV2.

Definition at line 1395 of file qgsgraduatedsymbolrendererv2.cpp.

QDomElement QgsGraduatedSymbolRendererV2::save ( QDomDocument &  doc)
virtual

store renderer info to XML element

Reimplemented from QgsFeatureRendererV2.

Definition at line 1207 of file qgsgraduatedsymbolrendererv2.cpp.

QgsSymbolV2::ScaleMethod QgsGraduatedSymbolRendererV2::scaleMethod ( ) const
inline

Definition at line 253 of file qgsgraduatedsymbolrendererv2.h.

void QgsGraduatedSymbolRendererV2::setClassAttribute ( QString  attr)
inline

Definition at line 143 of file qgsgraduatedsymbolrendererv2.h.

void QgsGraduatedSymbolRendererV2::setInvertedColorRamp ( bool  inverted)
inline

Definition at line 236 of file qgsgraduatedsymbolrendererv2.h.

void QgsGraduatedSymbolRendererV2::setLabelFormat ( const QgsRendererRangeV2LabelFormat labelFormat,
bool  updateRanges = false 
)

Set the label format used to generate default classification labels.

Parameters
labelFormatThe string appended to classification labels
updateRangesIf true then ranges ending with the old unit string are updated to the new.
Note
Added in 2.6

Definition at line 1473 of file qgsgraduatedsymbolrendererv2.cpp.

void QgsGraduatedSymbolRendererV2::setMode ( Mode  mode)
inline

Definition at line 179 of file qgsgraduatedsymbolrendererv2.h.

void QgsGraduatedSymbolRendererV2::setRotationField ( QString  fieldName)
virtual

sets rotation field of renderer (if supported by the renderer)

Reimplemented from QgsFeatureRendererV2.

Definition at line 1390 of file qgsgraduatedsymbolrendererv2.cpp.

void QgsGraduatedSymbolRendererV2::setScaleMethod ( QgsSymbolV2::ScaleMethod  scaleMethod)

Definition at line 1410 of file qgsgraduatedsymbolrendererv2.cpp.

void QgsGraduatedSymbolRendererV2::setSizeScaleField ( QString  fieldOrExpression)

Definition at line 1400 of file qgsgraduatedsymbolrendererv2.cpp.

void QgsGraduatedSymbolRendererV2::setSourceColorRamp ( QgsVectorColorRampV2 ramp)

Definition at line 1339 of file qgsgraduatedsymbolrendererv2.cpp.

void QgsGraduatedSymbolRendererV2::setSourceSymbol ( QgsSymbolV2 sym)

Definition at line 1329 of file qgsgraduatedsymbolrendererv2.cpp.

QString QgsGraduatedSymbolRendererV2::sizeScaleField ( ) const

Definition at line 1405 of file qgsgraduatedsymbolrendererv2.cpp.

void QgsGraduatedSymbolRendererV2::sortByLabel ( Qt::SortOrder  order = Qt::AscendingOrder)

Definition at line 1555 of file qgsgraduatedsymbolrendererv2.cpp.

void QgsGraduatedSymbolRendererV2::sortByValue ( Qt::SortOrder  order = Qt::AscendingOrder)

Definition at line 1532 of file qgsgraduatedsymbolrendererv2.cpp.

QgsVectorColorRampV2 * QgsGraduatedSymbolRendererV2::sourceColorRamp ( )

Definition at line 1334 of file qgsgraduatedsymbolrendererv2.cpp.

QgsSymbolV2 * QgsGraduatedSymbolRendererV2::sourceSymbol ( )

Definition at line 1325 of file qgsgraduatedsymbolrendererv2.cpp.

void QgsGraduatedSymbolRendererV2::startRender ( QgsRenderContext context,
const QgsFields fields 
)
virtual

Implements QgsFeatureRendererV2.

Definition at line 365 of file qgsgraduatedsymbolrendererv2.cpp.

void QgsGraduatedSymbolRendererV2::stopRender ( QgsRenderContext context)
virtual

Implements QgsFeatureRendererV2.

Definition at line 397 of file qgsgraduatedsymbolrendererv2.cpp.

QgsSymbolV2 * QgsGraduatedSymbolRendererV2::symbolForFeature ( QgsFeature feature)
virtual

to be overridden

Parameters
featurefeature
Returns
returns pointer to symbol or 0 if symbol was not found

Implements QgsFeatureRendererV2.

Definition at line 312 of file qgsgraduatedsymbolrendererv2.cpp.

QgsSymbolV2 * QgsGraduatedSymbolRendererV2::symbolForValue ( double  value)
protected

Definition at line 296 of file qgsgraduatedsymbolrendererv2.cpp.

QgsSymbolV2List QgsGraduatedSymbolRendererV2::symbols ( )
virtual

for symbol levels

Implements QgsFeatureRendererV2.

Definition at line 537 of file qgsgraduatedsymbolrendererv2.cpp.

void QgsGraduatedSymbolRendererV2::toSld ( QDomDocument &  doc,
QDomElement &  element 
) const
virtual

used from subclasses to create SLD Rule elements following SLD v1.1 specs

Reimplemented from QgsFeatureRendererV2.

Definition at line 520 of file qgsgraduatedsymbolrendererv2.cpp.

void QgsGraduatedSymbolRendererV2::updateClasses ( QgsVectorLayer vlayer,
Mode  mode,
int  nclasses 
)

Recalculate classes for a layer.

Parameters
vlayerThe layer being rendered (from which data values are calculated)
modeThe calculation mode
nclassesThe number of classes to calculate (approximate for some modes)
Note
Added in 2.6

Definition at line 995 of file qgsgraduatedsymbolrendererv2.cpp.

void QgsGraduatedSymbolRendererV2::updateColorRamp ( QgsVectorColorRampV2 ramp = 0,
bool  inverted = false 
)

Update the color ramp used.

Also updates all symbols colors. Doesn't alter current breaks.

Definition at line 1344 of file qgsgraduatedsymbolrendererv2.cpp.

bool QgsGraduatedSymbolRendererV2::updateRangeLabel ( int  rangeIndex,
QString  label 
)

Definition at line 455 of file qgsgraduatedsymbolrendererv2.cpp.

bool QgsGraduatedSymbolRendererV2::updateRangeLowerValue ( int  rangeIndex,
double  value 
)

Definition at line 474 of file qgsgraduatedsymbolrendererv2.cpp.

bool QgsGraduatedSymbolRendererV2::updateRangeRenderState ( int  rangeIndex,
bool  render 
)
Note
added in 2.5

Definition at line 485 of file qgsgraduatedsymbolrendererv2.cpp.

bool QgsGraduatedSymbolRendererV2::updateRangeSymbol ( int  rangeIndex,
QgsSymbolV2 symbol 
)

Definition at line 447 of file qgsgraduatedsymbolrendererv2.cpp.

bool QgsGraduatedSymbolRendererV2::updateRangeUpperValue ( int  rangeIndex,
double  value 
)

Definition at line 463 of file qgsgraduatedsymbolrendererv2.cpp.

void QgsGraduatedSymbolRendererV2::updateSymbols ( QgsSymbolV2 sym)

Update all the symbols but leave breaks and colors.

Definition at line 1374 of file qgsgraduatedsymbolrendererv2.cpp.

QList< QString > QgsGraduatedSymbolRendererV2::usedAttributes ( )
virtual

Implements QgsFeatureRendererV2.

Definition at line 418 of file qgsgraduatedsymbolrendererv2.cpp.

Member Data Documentation

QString QgsGraduatedSymbolRendererV2::mAttrName
protected

Definition at line 277 of file qgsgraduatedsymbolrendererv2.h.

int QgsGraduatedSymbolRendererV2::mAttrNum
protected

attribute index (derived from attribute name in startRender)

Definition at line 289 of file qgsgraduatedsymbolrendererv2.h.

bool QgsGraduatedSymbolRendererV2::mCounting
protected

Definition at line 290 of file qgsgraduatedsymbolrendererv2.h.

QScopedPointer<QgsExpression> QgsGraduatedSymbolRendererV2::mExpression
protected

Definition at line 287 of file qgsgraduatedsymbolrendererv2.h.

bool QgsGraduatedSymbolRendererV2::mInvertedColorRamp
protected

Definition at line 282 of file qgsgraduatedsymbolrendererv2.h.

QgsRendererRangeV2LabelFormat QgsGraduatedSymbolRendererV2::mLabelFormat
protected

Definition at line 283 of file qgsgraduatedsymbolrendererv2.h.

Mode QgsGraduatedSymbolRendererV2::mMode
protected

Definition at line 279 of file qgsgraduatedsymbolrendererv2.h.

QgsRangeList QgsGraduatedSymbolRendererV2::mRanges
protected

Definition at line 278 of file qgsgraduatedsymbolrendererv2.h.

QScopedPointer<QgsExpression> QgsGraduatedSymbolRendererV2::mRotation
protected

Definition at line 284 of file qgsgraduatedsymbolrendererv2.h.

QgsSymbolV2::ScaleMethod QgsGraduatedSymbolRendererV2::mScaleMethod
protected

Definition at line 286 of file qgsgraduatedsymbolrendererv2.h.

QScopedPointer<QgsExpression> QgsGraduatedSymbolRendererV2::mSizeScale
protected

Definition at line 285 of file qgsgraduatedsymbolrendererv2.h.

QScopedPointer<QgsVectorColorRampV2> QgsGraduatedSymbolRendererV2::mSourceColorRamp
protected

Definition at line 281 of file qgsgraduatedsymbolrendererv2.h.

QScopedPointer<QgsSymbolV2> QgsGraduatedSymbolRendererV2::mSourceSymbol
protected

Definition at line 280 of file qgsgraduatedsymbolrendererv2.h.

QHash<QgsSymbolV2*, QgsSymbolV2*> QgsGraduatedSymbolRendererV2::mTempSymbols
protected

temporary symbols, used for data-defined rotation and scaling

Definition at line 293 of file qgsgraduatedsymbolrendererv2.h.


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