Here is a list of all class members with links to the classes they belong to:

- o -

• obstacle : QgsDiagramLayerSettings , QgsPalLayerSettings
• offlineFid() : QgsOfflineEditing
• offset() : QgsLinePatternFillSymbolLayer , QgsSimpleLineSymbolLayerV2 , QgsGradientStop , QgsMarkerLineSymbolLayerV2 , QgsMarkerSymbolLayerV2 , QgsLabelComponent , QgsSimpleFillSymbolLayerV2
• offsetFromReferencePoint() : QgsAnnotationItem
• offsetIsSet() : QgsLabelAttributes
• OffsetQuad : QgsPalLayerSettings
• OffsetRotation : QgsPalLayerSettings
• offsetType() : QgsLabelAttributes
• offsetUnit() : QgsSimpleFillSymbolLayerV2 , QgsLinePatternFillSymbolLayer , QgsSimpleLineSymbolLayerV2 , QgsMarkerLineSymbolLayerV2 , QgsMarkerSymbolLayerV2
• OffsetUnits : QgsPalLayerSettings
• OffsetXY : QgsPalLayerSettings
• ogcWmsCrsFilterAsSqlExpression() : QgsProjectionSelector
• Ogr : QgsSublayersDialog
• ogrDriverList() : QgsVectorFileWriter
• ogrFeatureStyle() : QgsSimpleFillSymbolLayerV2 , QgsSimpleLineSymbolLayerV2 , QgsSimpleMarkerSymbolLayerV2 , QgsSymbolLayerV2
• ogrFeatureStyleBrush() : QgsSymbolLayerV2Utils
• ogrFeatureStylePen() : QgsSymbolLayerV2Utils
• ogrFeatureStyleWidth() : QgsLinePatternFillSymbolLayer
• oldProjectVersionWarning() : QgsProject
• on() : QgsRasterInterface
• on_btnAnd_clicked() : QgsQueryBuilder , QgsSearchQueryBuilder
• on_btnClear_clicked() : QgsSearchQueryBuilder
• on_btnEqual_clicked() : QgsQueryBuilder , QgsSearchQueryBuilder
• on_btnGetAllValues_clicked() : QgsQueryBuilder , QgsSearchQueryBuilder
• on_btnGreaterEqual_clicked() : QgsQueryBuilder , QgsSearchQueryBuilder
• on_btnGreaterThan_clicked() : QgsQueryBuilder , QgsSearchQueryBuilder
• on_btnHistoCompute_clicked() : QgsRasterHistogramWidget
• on_btnHistoMax_toggled() : QgsRasterHistogramWidget
• on_btnHistoMin_toggled() : QgsRasterHistogramWidget
• on_btnILike_clicked() : QgsQueryBuilder , QgsSearchQueryBuilder
• on_btnIn_clicked() : QgsQueryBuilder , QgsSearchQueryBuilder
• on_btnLessEqual_clicked() : QgsQueryBuilder , QgsSearchQueryBuilder
• on_btnLessThan_clicked() : QgsQueryBuilder , QgsSearchQueryBuilder
• on_btnLike_clicked() : QgsQueryBuilder , QgsSearchQueryBuilder
• on_btnNot_clicked() : QgsQueryBuilder , QgsSearchQueryBuilder
• on_btnNotEqual_clicked() : QgsSearchQueryBuilder , QgsQueryBuilder
• on_btnNotIn_clicked() : QgsQueryBuilder , QgsSearchQueryBuilder
• on_btnOk_clicked() : QgsSearchQueryBuilder
• on_btnOr_clicked() : QgsQueryBuilder , QgsSearchQueryBuilder
• on_btnPct_clicked() : QgsQueryBuilder , QgsSearchQueryBuilder
• on_btnSampleValues_clicked() : QgsQueryBuilder , QgsSearchQueryBuilder
• on_btnTest_clicked() : QgsSearchQueryBuilder
• on_buttonBox_helpRequested() : QgsNewHttpConnection , QgsNewVectorLayerDialog , QgsQueryBuilder , QgsSearchQueryBuilder , QgsSublayersDialog
• on_cboHistoBand_currentIndexChanged() : QgsRasterHistogramWidget
• on_cbxHideDeprecated_stateChanged() : QgsProjectionSelector
• on_cbxPyramidsFormat_currentIndexChanged() : QgsRasterPyramidsOptionsWidget
• on_cbxPyramidsLevelsCustom_toggled() : QgsRasterPyramidsOptionsWidget
• on_checkBox_toggled() : QgsMessageViewer
• on_expressionTree_doubleClicked() : QgsExpressionBuilderWidget
• on_lblPreview_linkActivated() : QgsExpressionBuilderWidget
• on_leSearch_textChanged() : QgsProjectionSelector
• on_lstCoordinateSystems_currentItemChanged() : QgsProjectionSelector
• on_lstFields_clicked() : QgsQueryBuilder
• on_lstFields_doubleClicked() : QgsQueryBuilder , QgsSearchQueryBuilder
• on_lstRecent_currentItemChanged() : QgsProjectionSelector
• on_lstValues_doubleClicked() : QgsQueryBuilder , QgsSearchQueryBuilder
• on_mActionAddToSelection_triggered() : QgsExpressionSelectionDialog
• on_mActionRemoveFromSelection_triggered() : QgsExpressionSelectionDialog
• on_mActionSelect_triggered() : QgsExpressionSelectionDialog
• on_mActionSelectInstersect_triggered() : QgsExpressionSelectionDialog
• on_mAddAttributeButton_clicked() : QgsNewVectorLayerDialog
• on_mAddDefaultButton_clicked() : QgsOWSSourceSelect
• on_mAddEntryButton_clicked() : QgsSingleBandPseudoColorRendererWidget
• on_mAddNoDataManuallyToolButton_clicked() : QgsRasterLayerSaveAsDialog
• on_mBandComboBox_currentIndexChanged() : QgsSingleBandPseudoColorRendererWidget
• on_mBrowseButton_clicked() : QgsRasterLayerSaveAsDialog
• on_mChangeCRSButton_clicked() : QgsOWSSourceSelect
• on_mChangeCrsPushButton_clicked() : QgsRasterLayerSaveAsDialog
• on_mClassificationModeComboBox_currentIndexChanged() : QgsSingleBandPseudoColorRendererWidget
• on_mClassifyButton_clicked() : QgsSingleBandPseudoColorRendererWidget
• on_mColormapTreeWidget_itemDoubleClicked() : QgsSingleBandPseudoColorRendererWidget
• on_mColorRampComboBox_currentIndexChanged() : QgsSingleBandPseudoColorRendererWidget
• on_mColumnsLineEdit_textEdited() : QgsRasterLayerSaveAsDialog
• on_mConnectButton_clicked() : QgsOWSSourceSelect
• on_mConnectionsComboBox_activated() : QgsOWSSourceSelect
• on_mCrsComboBox_currentIndexChanged() : QgsRasterLayerSaveAsDialog
• on_mCurrentExtentButton_clicked() : QgsRasterLayerSaveAsDialog
• on_mDeleteButton_clicked() : QgsOWSSourceSelect
• on_mDeleteEntryButton_clicked() : QgsSingleBandPseudoColorRendererWidget
• on_mDetailCheckBox_stateChanged() : QgsErrorDialog
• on_mDetailPushButton_clicked() : QgsErrorDialog
• on_mDialogButtonBox_helpRequested() : QgsOWSSourceSelect
• on_mEditButton_clicked() : QgsOWSSourceSelect
• on_mExportToFileButton_clicked() : QgsSingleBandPseudoColorRendererWidget
• on_mFeatureList_currentEditSelectionChanged() : QgsDualView
• on_mFormatComboBox_currentIndexChanged() : QgsRasterLayerSaveAsDialog
• on_mGrayBandComboBox_currentIndexChanged() : QgsSingleBandGrayRendererWidget
• on_mLayerDownButton_clicked() : QgsOWSSourceSelect
• on_mLayersTreeWidget_itemSelectionChanged() : QgsOWSSourceSelect
• on_mLayerUpButton_clicked() : QgsOWSSourceSelect
• on_mLoadButton_clicked() : QgsOWSSourceSelect
• on_mLoadFromBandButton_clicked() : QgsSingleBandPseudoColorRendererWidget
• on_mLoadFromFileButton_clicked() : QgsSingleBandPseudoColorRendererWidget
• on_mLoadPushButton_clicked() : QgsRasterMinMaxWidget
• on_mLoadTransparentNoDataToolButton_clicked() : QgsRasterLayerSaveAsDialog
• on_mMaxLineEdit_textChanged() : QgsSingleBandPseudoColorRendererWidget
• on_mMaxLineEdit_textEdited() : QgsSingleBandPseudoColorRendererWidget
• on_mMinLineEdit_textChanged() : QgsSingleBandPseudoColorRendererWidget
• on_mMinLineEdit_textEdited() : QgsSingleBandPseudoColorRendererWidget
• on_mNewButton_clicked() : QgsOWSSourceSelect
• on_mOptionsAddButton_clicked() : QgsRasterFormatSaveOptionsWidget
• on_mOptionsDeleteButton_clicked() : QgsRasterFormatSaveOptionsWidget
• on_mOptionsLineEdit_editingFinished() : QgsRasterFormatSaveOptionsWidget
• on_mOriginalExtentButton_clicked() : QgsRasterLayerSaveAsDialog
• on_mOriginalResolutionPushButton_clicked() : QgsRasterLayerSaveAsDialog
• on_mOriginalSizePushButton_clicked() : QgsRasterLayerSaveAsDialog
• on_mPbnClose_clicked() : QgsExpressionSelectionDialog
• on_mProfileDeleteButton_clicked() : QgsRasterFormatSaveOptionsWidget
• on_mProfileNewButton_clicked() : QgsRasterFormatSaveOptionsWidget
• on_mProfileResetButton_clicked() : QgsRasterFormatSaveOptionsWidget
• on_mPyramidsGroupBox_toggled() : QgsRasterLayerSaveAsDialog
• on_mRawModeRadioButton_toggled() : QgsRasterLayerSaveAsDialog
• on_mRemoveAllNoDataToolButton_clicked() : QgsRasterLayerSaveAsDialog
• on_mRemoveAttributeButton_clicked() : QgsNewVectorLayerDialog
• on_mRemoveSelectedNoDataToolButton_clicked() : QgsRasterLayerSaveAsDialog
• on_mResolutionRadioButton_toggled() : QgsRasterLayerSaveAsDialog
• on_mRowsLineEdit_textEdited() : QgsRasterLayerSaveAsDialog
• on_mSaveAsImageButton_clicked() : QgsRasterHistogramWidget
• on_mSaveAsLineEdit_textChanged() : QgsRasterLayerSaveAsDialog
• on_mSaveButton_clicked() : QgsOWSSourceSelect
• on_mSearchButton_clicked() : QgsOWSSourceSelect
• on_mSearchTableWidget_itemSelectionChanged() : QgsOWSSourceSelect
• on_mSortButton_clicked() : QgsSingleBandPseudoColorRendererWidget
• on_mTileModeCheckBox_toggled() : QgsRasterLayerSaveAsDialog
• on_mTilesetsTableWidget_itemClicked() : QgsOWSSourceSelect
• on_mTreeWidget_itemDoubleClicked() : QgsPalettedRendererWidget
• on_mTypeBox_currentIndexChanged() : QgsNewVectorLayerDialog
• on_mValueListWidget_itemDoubleClicked() : QgsExpressionBuilderWidget
• on_mXMaxLineEdit_textEdited() : QgsRasterLayerSaveAsDialog
• on_mXMinLineEdit_textEdited() : QgsRasterLayerSaveAsDialog
• on_mXResolutionLineEdit_textEdited() : QgsRasterLayerSaveAsDialog
• on_mYMaxLineEdit_textEdited() : QgsRasterLayerSaveAsDialog
• on_mYMinLineEdit_textEdited() : QgsRasterLayerSaveAsDialog
• on_mYResolutionLineEdit_textEdited() : QgsRasterLayerSaveAsDialog
• on_pbnChangeSpatialRefSys_clicked() : QgsNewVectorLayerDialog
• on_txtExpressionString_textChanged() : QgsExpressionBuilderWidget
• on_txtName_textChanged() : QgsNewHttpConnection
• on_txtSearchEdit_textChanged() : QgsExpressionBuilderWidget
• onAttributeValueChanged() : QgsVectorLayerCache
• onBandChanged() : QgsMultiBandColorRendererWidget
• onBeginInsertRows() : QgsFeatureListModel
• onBeginRemoveRows() : QgsFeatureListModel
• onButtonClicked() : QgsColorButton
• onCacheImageDelete() : QgsMapLayer , QgsVectorLayer
• onDrawingProgress() : QgsMapRenderer
• OneArgOperator : QgsRasterMatrix
• oneArgumentOperation() : QgsRasterMatrix
• onEndInsertRows() : QgsFeatureListModel
• onEndRemoveRows() : QgsFeatureListModel
• OnLine : QgsDiagramLayerSettings , QgsPalLayerSettings
• onlineResourceFromSldElement() : QgsSymbolLayerV2Utils
• onProgress() : QgsRasterLayer
• onSegment() : QgsPoint
• op() : QgsExpression::NodeUnaryOperator , QgsExpression::NodeBinaryOperator
• opacity() : QgsRasterRenderer
• opacityFromSldElement() : QgsSymbolLayerV2Utils
• opACOS : QgsRasterCalcNode , QgsRasterMatrix
• opAND : QgsRasterCalcNode , QgsRasterMatrix
• opASIN : QgsRasterMatrix , QgsRasterCalcNode
• opATAN : QgsRasterCalcNode , QgsRasterMatrix
• opCOS : QgsRasterMatrix , QgsRasterCalcNode
• opDIV : QgsRasterCalcNode , QgsRasterMatrix
• openDB() : QgsStyleV2
• openDb() : QgsCoordinateReferenceSystem
• openFeatureForm() : QgisInterface
• openInputFile() : QgsNineCellFilter , QgsRelief
• openLoggingDb() : QgsOfflineEditing
• openOutputDriver() : QgsNineCellFilter , QgsRasterCalculator , QgsRelief
• openOutputFile() : QgsNineCellFilter , QgsRasterCalculator , QgsRelief
• OpenUrl : QgsAction
• openURL() : QgisInterface
• openUrl() : QgsAttributeEditor
• opEQ : QgsRasterCalcNode , QgsRasterMatrix
• operand() : QgsExpression::NodeUnaryOperator
• Operator : QgsRasterCalcNode
• operator!=() : QgsField , Vector3D , QgsCoordinateReferenceSystem , QgsFeatureIterator , QgsPoint , QgsRectangle , Point3D
• operator()() : FieldSorter , QgsComposerAttributeTableCompare
• operator*() : QgsVector
• operator+() : QgsPoint
• operator+=() : QgsPoint
• operator-() : QgsVector , QgsPoint
• operator-=() : QgsPoint
• operator/() : QgsVector
• operator<() : QgsColorRampShader::ColorRampItem , QgsNumericSortTreeWidgetItem
• operator=() : Node , QgsRectangle , QgsVectorLayer , QgsRasterProjector , QgsRendererRangeV2 , QgsSymbolV2RenderContext , Line3D , Point3D , Vector3D , QgsRasterMatrix , QgsPoint , QgsRendererCategoryV2 , QgsFeature , QgsCoordinateReferenceSystem , QgsDistanceArea , QgsFeatureIterator , QgsGeometry , QgsMapLayer
• operator==() : QgsCoordinateReferenceSystem , QgsExpression::Function , QgsPoint , QgsProjectVersion , QgsRectangle , QgsRasterRange , QgsSvgCacheEntry , QgsFeatureIterator , Point3D , QgsExpression::Interval , Vector3D , QgsRasterHistogram , QgsField
• operator>() : QgsProjectVersion
• operator>=() : QgsProjectVersion
• operator[]() : QgsAttributeAction , QgsFields
• operatorButtonClicked() : QgsExpressionBuilderWidget
• opGE : QgsRasterCalcNode , QgsRasterMatrix
• opGT : QgsRasterCalcNode , QgsRasterMatrix
• opLE : QgsRasterCalcNode , QgsRasterMatrix
• opLeft() : QgsExpression::NodeBinaryOperator
• opLT : QgsRasterCalcNode , QgsRasterMatrix
• opMINUS : QgsRasterMatrix , QgsRasterCalcNode
• opMUL : QgsRasterMatrix , QgsRasterCalcNode
• opNE : QgsRasterMatrix , QgsRasterCalcNode
• opOR : QgsRasterCalcNode , QgsRasterMatrix
• opPLUS : QgsRasterMatrix , QgsRasterCalcNode
• opPOW : QgsRasterCalcNode , QgsRasterMatrix
• opRight() : QgsExpression::NodeBinaryOperator
• opSIGN : QgsRasterCalcNode , QgsRasterMatrix
• opSIN : QgsRasterCalcNode , QgsRasterMatrix
• opSQRT : QgsRasterCalcNode , QgsRasterMatrix
• opTAN : QgsRasterCalcNode , QgsRasterMatrix
• optimiseClassBreaks() : QgsRelief
• options() : QgsRasterFormatSaveOptionsWidget
• optionsChanged() : QgsRasterFormatSaveOptionsWidget
• optionsStackedWidget_CurrentChanged() : QgsOptionsDialogBase
• optionsStackedWidget_WidgetRemoved() : QgsOptionsDialogBase
• optionsTableChanged() : QgsRasterFormatSaveOptionsWidget
• optionsTableEnableDeleteButton() : QgsRasterFormatSaveOptionsWidget
• Oracle : QgsManageConnectionsDialog
• origin : QgsFields::Field , QgsLabelComponent
• OriginalCrs : QgsRasterLayerSaveAsDialog
• OriginalExtent : QgsRasterLayerSaveAsDialog
• originalName() : QgsMapLayer
• OriginalResolution : QgsRasterLayerSaveAsDialog
• OriginEdit : QgsFields
• originIndex : QgsFields::Field
• OriginJoin : QgsFields
• OriginProvider : QgsFields
• OriginUnknown : QgsFields
• outline : QgsSvgCacheEntry
• outlineColor() : QgsSvgMarkerSymbolLayerV2 , QgsEllipseSymbolLayerV2
• outlineWidth() : QgsSvgMarkerSymbolLayerV2 , QgsSimpleMarkerSymbolLayerV2 , QgsEllipseSymbolLayerV2 , QgsComposerArrow , QgsSvgCacheEntry
• outlineWidthUnit() : QgsImageFillSymbolLayer , QgsEllipseSymbolLayerV2 , QgsSimpleMarkerSymbolLayerV2 , QgsSvgMarkerSymbolLayerV2
• outputCrs() : QgsRasterLayerSaveAsDialog
• outputDpi() : QgsMapRenderer
• outputExtentToLayerExtent() : QgsMapRenderer
• outputFileName() : QgsRasterLayerSaveAsDialog
• outputFormat() : QgsRasterLayerSaveAsDialog , QgsRasterFileWriter
• outputGeoTransform() : QgsRasterCalculator
• outputLineWidth() : QgsSymbolV2RenderContext
• outputNodataValue() : QgsNineCellFilter
• outputPixelSize() : QgsSymbolV2RenderContext
• outputProviderKey() : QgsRasterFileWriter
• outputRectangle() : QgsRasterLayerSaveAsDialog
• outputSize() : QgsMapRenderer
• outputSizeF() : QgsMapRenderer
• outputUnit() : QgsMarkerSymbolLayerV2 , QgsPointPatternFillSymbolLayer , QgsEllipseSymbolLayerV2
• OutputUnit : QgsSymbolV2
• outputUnit() : QgsSvgMarkerSymbolLayerV2 , QgsLinePatternFillSymbolLayer , QgsVectorFieldSymbolLayer , QgsSymbolV2 , QgsCentroidFillSymbolLayerV2 , QgsSimpleLineSymbolLayerV2 , QgsMarkerLineSymbolLayerV2 , QgsSymbolLayerV2 , QgsSimpleFillSymbolLayerV2 , QgsSVGFillSymbolLayer , QgsSymbolV2RenderContext
• OutputUnits : QgsMapRenderer
• outputUnits() : QgsMapRenderer
• OutsideMapFrame : QgsComposerMap
• overlaps() : QgsGeometry
• OverPoint : QgsDiagramLayerSettings , QgsPalLayerSettings
• overviewBlendMode() : QgsComposerMap
• overviewFrameMapId() : QgsComposerMap
• overviewFrameMapSymbol() : QgsComposerMap
• overviewInverted() : QgsComposerMap
• overviewList() : QgsRasterPyramidsOptionsWidget
• overviewListChanged() : QgsRasterPyramidsOptionsWidget
• Owner : QgsDirectoryItem
• QgsOfflineEditing() : QgsOfflineEditing
• QgsOgcUtils : QgsExpression
• QgsOptionsDialogBase() : QgsOptionsDialogBase
• QgsOWSConnection() : QgsOWSConnection
• QgsOWSSourceSelect() : QgsOWSSourceSelect