Class: QgsVectorSimplifyMethod

class qgis.core.QgsVectorSimplifyMethod

Bases: sip.wrapper

This class contains information how to simplify geometries fetched from a vector layer

QgsVectorSimplifyMethod() construct a default object

QgsVectorSimplifyMethod(a0: QgsVectorSimplifyMethod)

Enums

SimplifyAlgorithm	alias of VectorSimplificationAlgorithm
SimplifyHint	alias of VectorRenderingSimplificationFlag

Methods

forceLocalOptimization	Gets where the simplification executes, after fetch the geometries from provider, or when supported, in provider before fetch the geometries
maximumScale	Gets the maximum scale at which the layer should be simplified
setForceLocalOptimization	Sets where the simplification executes, after fetch the geometries from provider, or when supported, in provider before fetch the geometries
setMaximumScale	Sets the maximum scale at which the layer should be simplified
setSimplifyAlgorithm	Sets the local simplification algorithm of the vector layer managed
setSimplifyHints	Sets the simplification hints of the vector layer managed
setThreshold	Sets the simplification threshold of the vector layer managed
setTolerance	Sets the tolerance of simplification in map units.
simplifyAlgorithm	Gets the local simplification algorithm of the vector layer managed
simplifyHints	Gets the simplification hints of the vector layer managed
threshold	Gets the simplification threshold of the vector layer managed
tolerance	Gets the tolerance of simplification in map units.

Signals

staticMetaObject

Attributes

staticMetaObject

SimplifyAlgorithm

alias of VectorSimplificationAlgorithm

SimplifyHint

alias of VectorRenderingSimplificationFlag

SimplifyHints

alias of VectorRenderingSimplificationFlags

forceLocalOptimization(self) → bool

Gets where the simplification executes, after fetch the geometries from provider, or when supported, in provider before fetch the geometries

Return type:

bool

maximumScale(self) → float

Gets the maximum scale at which the layer should be simplified

Return type:

float

setForceLocalOptimization(self, localOptimization: bool)

Sets where the simplification executes, after fetch the geometries from provider, or when supported, in provider before fetch the geometries

Parameters:

localOptimization (bool)

setMaximumScale(self, maximumScale: float)

Sets the maximum scale at which the layer should be simplified

Parameters:

maximumScale (float)

setSimplifyAlgorithm(self, simplifyAlgorithm: Qgis.VectorSimplificationAlgorithm)

Sets the local simplification algorithm of the vector layer managed

Parameters:

simplifyAlgorithm (Qgis.VectorSimplificationAlgorithm)

setSimplifyHints(self, simplifyHints: Qgis.VectorRenderingSimplificationFlags | Qgis.VectorRenderingSimplificationFlag)

Sets the simplification hints of the vector layer managed

Parameters:

simplifyHints (Union[Qgis.VectorRenderingSimplificationFlags)

setThreshold(self, threshold: float)

Sets the simplification threshold of the vector layer managed

Parameters:

threshold (float)

setTolerance(self, tolerance: float)

Sets the tolerance of simplification in map units. Represents the maximum distance in map units between two coordinates which can be considered equal

Parameters:

tolerance (float)

simplifyAlgorithm(self) → Qgis.VectorSimplificationAlgorithm

Gets the local simplification algorithm of the vector layer managed

Return type:

Qgis.VectorSimplificationAlgorithm

simplifyHints(self) → Qgis.VectorRenderingSimplificationFlags

Gets the simplification hints of the vector layer managed

Return type:

Qgis.VectorRenderingSimplificationFlags

staticMetaObject = <PyQt5.QtCore.QMetaObject object>

threshold(self) → float

Gets the simplification threshold of the vector layer managed

Return type:

float

tolerance(self) → float

Gets the tolerance of simplification in map units. Represents the maximum distance in map units between two coordinates which can be considered equal

Return type:

float