Subgroup: Marker
Class: QgsMarkerSymbol¶
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class
qgis.core.
QgsMarkerSymbol
(layers: object = QgsSymbolLayerList())¶ Bases:
qgis._core.QgsSymbol
Methods
angle
Returns the marker angle for the whole symbol. bounds
Returns the approximate bounding box of the marker symbol, which includes the bounding box of all symbol layers for the symbol. clone
cloneLayers
createSimple
Create a marker symbol with one symbol layer: SimpleMarker with specified properties. dataDefinedAngle
Returns data defined angle for whole symbol (including all symbol layers). dataDefinedSize
Returns data defined size for whole symbol (including all symbol layers). renderPoint
renderUsingLayer
renderVertexMarker
scaleMethod
setAngle
Sets the angle for the whole symbol. setDataDefinedAngle
Set data defined angle for whole symbol (including all symbol layers). setDataDefinedSize
Set data defined size for whole symbol (including all symbol layers). setLineAngle
Sets the line angle modification for the symbol’s angle. setScaleMethod
setSize
Sets the size for the whole symbol. setSizeMapUnitScale
Sets the size map unit scale for the whole symbol (including all symbol layers). setSizeUnit
Sets the size units for the whole symbol (including all symbol layers). size
Returns the size for the whole symbol, which is the maximum size of all marker symbol layers in the symbol. sizeMapUnitScale
Returns the size map unit scale for the whole symbol. sizeUnit
Returns the size units for the whole symbol (including all symbol layers). Signals
Attributes
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angle
(self) → float¶ Returns the marker angle for the whole symbol. Note that for symbols with multiple symbol layers, this will correspond just to the angle of the first symbol layer.
New in version 2.16.
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bounds
(self, point: Union[QPointF, QPoint], context: QgsRenderContext, feature: QgsFeature = QgsFeature()) → QRectF¶ Returns the approximate bounding box of the marker symbol, which includes the bounding box of all symbol layers for the symbol. It is recommended to use this method only between startRender() and stopRender() calls, or data defined rotation and offset will not be correctly calculated.
Parameters: - point – location of rendered point in painter units
- context – render context
- feature – feature being rendered at point (optional). If not specified, the bounds calculation will not
include data defined parameters such as offset and rotation
Returns: approximate symbol bounds, in painter units New in version 2.14.
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clone
(self) → QgsMarkerSymbol¶
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cloneLayers
()¶
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createSimple
(properties: Dict[str, str]) → QgsMarkerSymbol¶ Create a marker symbol with one symbol layer: SimpleMarker with specified properties. This is a convenience method for easier creation of marker symbols.
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dataDefinedAngle
(self) → QgsProperty¶ Returns data defined angle for whole symbol (including all symbol layers).
Returns: data defined angle, or invalid property if angle is not set at the marker level.
New in version 3.0.
See also
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dataDefinedSize
(self) → QgsProperty¶ Returns data defined size for whole symbol (including all symbol layers).
Returns: data defined size, or invalid property if size is not set at the marker level.
New in version 3.0.
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renderPoint
(self, point: Union[QPointF, QPoint], f: QgsFeature, context: QgsRenderContext, layer: int = -1, selected: bool = False)¶
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renderUsingLayer
()¶
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renderVertexMarker
()¶
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scaleMethod
(self) → QgsSymbol.ScaleMethod¶
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setAngle
(self, symbolAngle: float)¶ Sets the angle for the whole symbol. Individual symbol layer sizes will be rotated to maintain their current relative angle to the whole symbol angle.
Parameters: symbolAngle – new symbol angle See also
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setDataDefinedAngle
(self, property: QgsProperty)¶ Set data defined angle for whole symbol (including all symbol layers).
New in version 3.0.
See also
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setDataDefinedSize
(self, property: QgsProperty)¶ Set data defined size for whole symbol (including all symbol layers).
New in version 3.0.
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setLineAngle
(self, lineAngle: float)¶ Sets the line angle modification for the symbol’s angle. This angle is added to the marker’s rotation and data defined rotation before rendering the symbol, and is usually used for orienting symbols to match a line’s angle.
Parameters: lineAngle – Angle in degrees, valid values are between 0 and 360 New in version 2.9.
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setScaleMethod
(self, scaleMethod: QgsSymbol.ScaleMethod)¶
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setSize
(self, size: float)¶ Sets the size for the whole symbol. Individual symbol layer sizes will be scaled to maintain their current relative size to the whole symbol size.
Parameters: size – new symbol size See also
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setSizeMapUnitScale
(self, scale: QgsMapUnitScale)¶ Sets the size map unit scale for the whole symbol (including all symbol layers).
Parameters: scale – map unit scale New in version 2.16.
See also
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setSizeUnit
(self, unit: QgsUnitTypes.RenderUnit)¶ Sets the size units for the whole symbol (including all symbol layers).
Parameters: unit – size units New in version 2.16.
See also
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size
(self) → float¶ Returns the size for the whole symbol, which is the maximum size of all marker symbol layers in the symbol.
See also
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sizeMapUnitScale
(self) → QgsMapUnitScale¶ Returns the size map unit scale for the whole symbol. Note that for symbols with multiple symbol layers, this will correspond just to the map unit scale for the first symbol layer.
New in version 2.16.
See also
See also
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sizeUnit
(self) → QgsUnitTypes.RenderUnit¶ Returns the size units for the whole symbol (including all symbol layers).
Returns: size units, or mixed units if symbol layers have different units New in version 2.16.
See also
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