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QGIS API Documentation
2.12.0-Lyon
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Abstract base class for simplify geometries using a specific algorithm. More...
#include <qgsgeometrysimplifier.h>

Public Member Functions | |
| virtual | ~QgsAbstractGeometrySimplifier () |
| virtual QgsGeometry * | simplify (QgsGeometry *geometry) const =0 |
| Returns a simplified version the specified geometry. More... | |
| virtual bool | simplifyGeometry (QgsGeometry *geometry) const =0 |
| Simplifies the specified geometry. More... | |
Static Public Member Functions | |
| static bool | isGeneralizableByDeviceBoundingBox (const QgsRectangle &envelope, float mapToPixelTol=1.0f) |
| Returns whether the device-envelope can be replaced by its BBOX when is applied the specified tolerance. More... | |
| static bool | isGeneralizableByDeviceBoundingBox (const QVector< QPointF > &points, float mapToPixelTol=1.0f) |
| Returns whether the device-geometry can be replaced by its BBOX when is applied the specified tolerance. More... | |
Abstract base class for simplify geometries using a specific algorithm.
Definition at line 25 of file qgsgeometrysimplifier.h.
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virtual |
Definition at line 20 of file qgsgeometrysimplifier.cpp.
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static |
Returns whether the device-envelope can be replaced by its BBOX when is applied the specified tolerance.
Definition at line 25 of file qgsgeometrysimplifier.cpp.
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static |
Returns whether the device-geometry can be replaced by its BBOX when is applied the specified tolerance.
Definition at line 31 of file qgsgeometrysimplifier.cpp.
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pure virtual |
Returns a simplified version the specified geometry.
Implemented in QgsMapToPixelSimplifier, and QgsTopologyPreservingSimplifier.
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pure virtual |
Simplifies the specified geometry.
Implemented in QgsMapToPixelSimplifier, and QgsTopologyPreservingSimplifier.
1.8.9.1