| QGIS API Documentation
    3.20.0-Odense (decaadbb31)
    | 
#include "qgsspatialindex.h"#include "qgsabstractgeometry.h"#include "qgspoint.h"#include "qgsgeometry.h"#include "qgsgeos.h"#include "qgis_analysis.h"#include <QMutex>#include <QFuture>#include <QStringList>#include <geos_c.h>

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| Classes | |
| class | QgsGeometrySnapper | 
| QgsGeometrySnapper allows a geometry to be snapped to the geometries within a different reference layer.  More... | |
| class | QgsInternalGeometrySnapper | 
| QgsInternalGeometrySnapper allows a set of geometries to be snapped to each other.  More... | |