QgsGraduatedSymbolRendererV2 Class Reference

#include <qgsgraduatedsymbolrendererv2.h>

Inheritance diagram for QgsGraduatedSymbolRendererV2:

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Collaboration diagram for QgsGraduatedSymbolRendererV2:

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List of all members.

Public Types

enum  Mode {
  EqualInterval, Quantile, Jenks, StdDev,
  Pretty, Custom
}

Public Member Functions

 QgsGraduatedSymbolRendererV2 (QString attrName=QString(), QgsRangeList ranges=QgsRangeList())
virtual ~QgsGraduatedSymbolRendererV2 ()
virtual QgsSymbolV2symbolForFeature (QgsFeature &feature)
virtual void startRender (QgsRenderContext &context, const QgsVectorLayer *vlayer)
virtual void stopRender (QgsRenderContext &context)
virtual QList< QString > usedAttributes ()
virtual QString dump ()
 for debugging
virtual QgsFeatureRendererV2clone ()
virtual QgsSymbolV2List symbols ()
 for symbol levels
QString classAttribute () const
void setClassAttribute (QString attr)
const QgsRangeListranges ()
bool updateRangeSymbol (int rangeIndex, QgsSymbolV2 *symbol)
bool updateRangeLabel (int rangeIndex, QString label)
bool updateRangeUpperValue (int rangeIndex, double value)
bool updateRangeLowerValue (int rangeIndex, double value)
void addClass (QgsSymbolV2 *symbol)
void deleteClass (int idx)
Mode mode () const
void setMode (Mode mode)
virtual QDomElement save (QDomDocument &doc)
 store renderer info to XML element
virtual QgsLegendSymbologyList legendSymbologyItems (QSize iconSize)
 return a list of symbology items for the legend
virtual QgsLegendSymbolList legendSymbolItems ()
 return a list of item text / symbol
QgsSymbolV2sourceSymbol ()
void setSourceSymbol (QgsSymbolV2 *sym)
QgsVectorColorRampV2sourceColorRamp ()
void setSourceColorRamp (QgsVectorColorRampV2 *ramp)
void setRotationField (QString fieldName)
QString rotationField () const
void setSizeScaleField (QString fieldName)
QString sizeScaleField () const

Static Public Member Functions

static
QgsGraduatedSymbolRendererV2
createRenderer (QgsVectorLayer *vlayer, QString attrName, int classes, Mode mode, QgsSymbolV2 *symbol, QgsVectorColorRampV2 *ramp)
static QgsFeatureRendererV2create (QDomElement &element)
 create renderer from XML element

Protected Member Functions

QgsSymbolV2symbolForValue (double value)

Protected Attributes

QString mAttrName
QgsRangeList mRanges
Mode mMode
QgsSymbolV2mSourceSymbol
QgsVectorColorRampV2mSourceColorRamp
QString mRotationField
QString mSizeScaleField
int mAttrNum
 attribute index (derived from attribute name in startRender)
int mRotationFieldIdx
int mSizeScaleFieldIdx
QMap< QgsSymbolV2
*, QgsSymbolV2 * > 
mTempSymbols
 temporary symbols, used for data-defined rotation and scaling


Detailed Description

Definition at line 39 of file qgsgraduatedsymbolrendererv2.h.


Member Enumeration Documentation

Enumerator:
EqualInterval 
Quantile 
Jenks 
StdDev 
Pretty 
Custom 

Definition at line 73 of file qgsgraduatedsymbolrendererv2.h.


Constructor & Destructor Documentation

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

Definition at line 97 of file qgsgraduatedsymbolrendererv2.cpp.

Referenced by clone(), create(), and createRenderer().

QgsGraduatedSymbolRendererV2::~QgsGraduatedSymbolRendererV2 (  )  [virtual]

Definition at line 108 of file qgsgraduatedsymbolrendererv2.cpp.

References mRanges, mSourceColorRamp, and mSourceSymbol.


Member Function Documentation

QgsSymbolV2 * QgsGraduatedSymbolRendererV2::symbolForFeature ( QgsFeature feature  )  [virtual]

void QgsGraduatedSymbolRendererV2::startRender ( QgsRenderContext context,
const QgsVectorLayer vlayer 
) [virtual]

void QgsGraduatedSymbolRendererV2::stopRender ( QgsRenderContext context  )  [virtual]

Implements QgsFeatureRendererV2.

Definition at line 196 of file qgsgraduatedsymbolrendererv2.cpp.

References mRanges, and mTempSymbols.

QList< QString > QgsGraduatedSymbolRendererV2::usedAttributes (  )  [virtual]

Implements QgsFeatureRendererV2.

Definition at line 216 of file qgsgraduatedsymbolrendererv2.cpp.

References mAttrName, mRotationField, and mSizeScaleField.

QString QgsGraduatedSymbolRendererV2::dump (  )  [virtual]

for debugging

Reimplemented from QgsFeatureRendererV2.

Definition at line 259 of file qgsgraduatedsymbolrendererv2.cpp.

References mAttrName, and mRanges.

QgsFeatureRendererV2 * QgsGraduatedSymbolRendererV2::clone (  )  [virtual]

QgsSymbolV2List QgsGraduatedSymbolRendererV2::symbols (  )  [virtual]

for symbol levels

Implements QgsFeatureRendererV2.

Definition at line 281 of file qgsgraduatedsymbolrendererv2.cpp.

References mRanges.

Referenced by save().

QString QgsGraduatedSymbolRendererV2::classAttribute (  )  const [inline]

void QgsGraduatedSymbolRendererV2::setClassAttribute ( QString  attr  )  [inline]

Definition at line 61 of file qgsgraduatedsymbolrendererv2.h.

const QgsRangeList& QgsGraduatedSymbolRendererV2::ranges (  )  [inline]

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

Definition at line 227 of file qgsgraduatedsymbolrendererv2.cpp.

References mRanges.

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

Definition at line 235 of file qgsgraduatedsymbolrendererv2.cpp.

References mRanges.

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

Definition at line 243 of file qgsgraduatedsymbolrendererv2.cpp.

References mRanges.

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

Definition at line 251 of file qgsgraduatedsymbolrendererv2.cpp.

References mRanges.

void QgsGraduatedSymbolRendererV2::addClass ( QgsSymbolV2 symbol  ) 

Definition at line 997 of file qgsgraduatedsymbolrendererv2.cpp.

References QgsSymbolV2::clone(), and mRanges.

void QgsGraduatedSymbolRendererV2::deleteClass ( int  idx  ) 

Definition at line 1005 of file qgsgraduatedsymbolrendererv2.cpp.

References mRanges.

Mode QgsGraduatedSymbolRendererV2::mode (  )  const [inline]

void QgsGraduatedSymbolRendererV2::setMode ( Mode  mode  )  [inline]

QgsGraduatedSymbolRendererV2 * QgsGraduatedSymbolRendererV2::createRenderer ( QgsVectorLayer vlayer,
QString  attrName,
int  classes,
Mode  mode,
QgsSymbolV2 symbol,
QgsVectorColorRampV2 ramp 
) [static]

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

QDomElement QgsGraduatedSymbolRendererV2::save ( QDomDocument &  doc  )  [virtual]

QgsLegendSymbologyList QgsGraduatedSymbolRendererV2::legendSymbologyItems ( QSize  iconSize  )  [virtual]

return a list of symbology items for the legend

Reimplemented from QgsFeatureRendererV2.

Definition at line 937 of file qgsgraduatedsymbolrendererv2.cpp.

References classAttribute(), QgsRendererRangeV2::label(), ranges(), QgsRendererRangeV2::symbol(), and QgsSymbolLayerV2Utils::symbolPreviewPixmap().

QgsLegendSymbolList QgsGraduatedSymbolRendererV2::legendSymbolItems (  )  [virtual]

return a list of item text / symbol

Note:
: this method was added in version 1.5

Reimplemented from QgsFeatureRendererV2.

Definition at line 958 of file qgsgraduatedsymbolrendererv2.cpp.

References classAttribute(), and mRanges.

QgsSymbolV2 * QgsGraduatedSymbolRendererV2::sourceSymbol (  ) 

Definition at line 977 of file qgsgraduatedsymbolrendererv2.cpp.

References mSourceSymbol.

void QgsGraduatedSymbolRendererV2::setSourceSymbol ( QgsSymbolV2 sym  ) 

Definition at line 981 of file qgsgraduatedsymbolrendererv2.cpp.

References mSourceSymbol.

Referenced by clone(), create(), and createRenderer().

QgsVectorColorRampV2 * QgsGraduatedSymbolRendererV2::sourceColorRamp (  ) 

Definition at line 987 of file qgsgraduatedsymbolrendererv2.cpp.

References mSourceColorRamp.

void QgsGraduatedSymbolRendererV2::setSourceColorRamp ( QgsVectorColorRampV2 ramp  ) 

Definition at line 991 of file qgsgraduatedsymbolrendererv2.cpp.

References mSourceColorRamp.

Referenced by clone(), create(), and createRenderer().

void QgsGraduatedSymbolRendererV2::setRotationField ( QString  fieldName  )  [inline]

Note:
added in 1.6

Definition at line 114 of file qgsgraduatedsymbolrendererv2.h.

Referenced by clone(), and create().

QString QgsGraduatedSymbolRendererV2::rotationField (  )  const [inline]

Note:
added in 1.6

Definition at line 116 of file qgsgraduatedsymbolrendererv2.h.

Referenced by clone().

void QgsGraduatedSymbolRendererV2::setSizeScaleField ( QString  fieldName  )  [inline]

Note:
added in 1.6

Definition at line 119 of file qgsgraduatedsymbolrendererv2.h.

Referenced by clone(), and create().

QString QgsGraduatedSymbolRendererV2::sizeScaleField (  )  const [inline]

Note:
added in 1.6

Definition at line 121 of file qgsgraduatedsymbolrendererv2.h.

Referenced by clone().

QgsSymbolV2 * QgsGraduatedSymbolRendererV2::symbolForValue ( double  value  )  [protected]

Definition at line 115 of file qgsgraduatedsymbolrendererv2.cpp.

References mRanges.

Referenced by symbolForFeature().


Member Data Documentation

Definition at line 126 of file qgsgraduatedsymbolrendererv2.h.

Referenced by clone(), and save().

Definition at line 129 of file qgsgraduatedsymbolrendererv2.h.

Referenced by save(), startRender(), and usedAttributes().

Definition at line 130 of file qgsgraduatedsymbolrendererv2.h.

Referenced by save(), startRender(), and usedAttributes().

attribute index (derived from attribute name in startRender)

Definition at line 133 of file qgsgraduatedsymbolrendererv2.h.

Referenced by startRender(), and symbolForFeature().

Definition at line 134 of file qgsgraduatedsymbolrendererv2.h.

Referenced by startRender(), and symbolForFeature().

Definition at line 134 of file qgsgraduatedsymbolrendererv2.h.

Referenced by startRender(), and symbolForFeature().

temporary symbols, used for data-defined rotation and scaling

Definition at line 138 of file qgsgraduatedsymbolrendererv2.h.

Referenced by startRender(), stopRender(), and symbolForFeature().


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

Generated on Sat Feb 4 19:17:35 2012 for Quantum GIS API Documentation by  doxygen 1.5.6