/************************************************************************ * This file has been generated automatically from * * * * src/core/qgsgeometrysimplifier.h * * * * Do not edit manually ! Edit header and run scripts/sipify.py again * ************************************************************************/ class QgsAbstractGeometrySimplifier { %Docstring(signature="appended") Abstract base class for simplify geometries using a specific algorithm %End %TypeHeaderCode #include "qgsgeometrysimplifier.h" %End public: virtual ~QgsAbstractGeometrySimplifier(); virtual QgsGeometry simplify( const QgsGeometry &geometry ) const = 0; %Docstring Returns a simplified version the specified geometry %End virtual QgsAbstractGeometry *simplify( const QgsAbstractGeometry *geometry ) const = 0 /Factory/; %Docstring Returns a simplified version the specified ``geometry``. Will return ``None`` if no simplification is to be performed to the geometry. Caller takes ownership of the returned geometry. .. versionadded:: 3.18 %End public: static bool isGeneralizableByDeviceBoundingBox( const QgsRectangle &envelope, float mapToPixelTol = 1.0f ); %Docstring Returns whether the device-envelope can be replaced by its BBOX when is applied the specified tolerance %End static bool isGeneralizableByDeviceBoundingBox( const QVector &points, float mapToPixelTol = 1.0f ); %Docstring Returns whether the device-geometry can be replaced by its BBOX when is applied the specified tolerance %End }; class QgsTopologyPreservingSimplifier : QgsAbstractGeometrySimplifier { %Docstring(signature="appended") Implementation of GeometrySimplifier using the Douglas-Peucker algorithm Simplifies a geometry, ensuring that the result is a valid geometry having the same dimension and number of components as the input. The simplification uses a maximum distance difference algorithm similar to the one used in the Douglas-Peucker algorithm. %End %TypeHeaderCode #include "qgsgeometrysimplifier.h" %End public: QgsTopologyPreservingSimplifier( double tolerance ); %Docstring Constructor for QgsTopologyPreservingSimplifier. The tolerance parameter is specified in layer units. %End virtual QgsGeometry simplify( const QgsGeometry &geometry ) const; virtual QgsAbstractGeometry *simplify( const QgsAbstractGeometry *geometry ) const /Factory/; protected: }; /************************************************************************ * This file has been generated automatically from * * * * src/core/qgsgeometrysimplifier.h * * * * Do not edit manually ! Edit header and run scripts/sipify.py again * ************************************************************************/