Class: QgsLineChartPlot

A simple line chart class.

Warning

This class is not considered stable API, and may change in future!

Added in version 4.0.

List of all members, including inherited members

Class Hierarchy

Base classes

Qgs2DXyPlot	Base class for 2-dimensional plot/chart/graphs with an X and Y axes.
Qgs2DPlot	Base class for 2-dimensional plot/chart/graphs.
QgsPlot	Base class for plot/chart/graphs.

Methods

lineSymbolAt	Returns the line symbol for the series with matching index.
lineSymbolCount	Returns the line symbols list count.
markerSymbolAt	Returns the marker symbol for the series with matching index.
markerSymbolCount	Returns the line symbols list count.
setLineSymbolAt	Sets the line symbol to use for the series with matching index.
setMarkerSymbolAt	Sets the fill symbol to use for the series with matching index.

Virtual Methods

In PyQGIS, only methods marked as virtual can be safely overridden in a Python subclass of QgsLineChartPlot. See the FAQ for more details.

initFromPlot

Initializes properties of this plot from an existing plot, transferring all applicable settings.

Static Methods

create	Returns a new line chart.
createDataGatherer	Returns a new data gatherer for a given line chart plot.

class qgis.core.QgsLineChartPlot

Bases: Qgs2DXyPlot

static create() → QgsLineChartPlot | None

Returns a new line chart.

Return type:

Optional[QgsLineChartPlot]

static createDataGatherer(plot: QgsPlot | None) → QgsVectorLayerAbstractPlotDataGatherer | None

Returns a new data gatherer for a given line chart plot.

Parameters:

plot (Optional[QgsPlot])

Return type:

Optional[QgsVectorLayerAbstractPlotDataGatherer]

virtual initFromPlot(self, plot: QgsPlot | None)

Initializes properties of this plot from an existing plot, transferring all applicable settings.

Parameters:

plot (Optional[QgsPlot])

lineSymbolAt(self, index: int) → QgsLineSymbol | None

Returns the line symbol for the series with matching index.

Parameters:

index (int)

Return type:

Optional[QgsLineSymbol]

lineSymbolCount(self) → int

Returns the line symbols list count.

Return type:

int

markerSymbolAt(self, index: int) → QgsMarkerSymbol | None

Returns the marker symbol for the series with matching index.

Parameters:

index (int)

Return type:

Optional[QgsMarkerSymbol]

markerSymbolCount(self) → int

Returns the line symbols list count.

Return type:

int

setLineSymbolAt(self, index: int, symbol: QgsLineSymbol | None)

Sets the line symbol to use for the series with matching index.

Parameters:

• index (int)

• symbol (Optional[QgsLineSymbol])

setMarkerSymbolAt(self, index: int, symbol: QgsMarkerSymbol | None)

Sets the fill symbol to use for the series with matching index.

Parameters:

• index (int)

• symbol (Optional[QgsMarkerSymbol])