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       1                 :            : /***************************************************************************
       2                 :            :     qgsgeometryareacheck.h
       3                 :            :     ---------------------
       4                 :            :     begin                : September 2015
       5                 :            :     copyright            : (C) 2014 by Sandro Mani / Sourcepole AG
       6                 :            :     email                : smani at sourcepole dot ch
       7                 :            :  ***************************************************************************
       8                 :            :  *                                                                         *
       9                 :            :  *   This program is free software; you can redistribute it and/or modify  *
      10                 :            :  *   it under the terms of the GNU General Public License as published by  *
      11                 :            :  *   the Free Software Foundation; either version 2 of the License, or     *
      12                 :            :  *   (at your option) any later version.                                   *
      13                 :            :  *                                                                         *
      14                 :            :  ***************************************************************************/
      15                 :            : 
      16                 :            : #define SIP_NO_FILE
      17                 :            : 
      18                 :            : #ifndef QGS_GEOMETRY_AREA_CHECK_H
      19                 :            : #define QGS_GEOMETRY_AREA_CHECK_H
      20                 :            : 
      21                 :            : #include "qgsgeometrycheck.h"
      22                 :            : 
      23                 :            : class QgsSurface;
      24                 :            : 
      25                 :            : /**
      26                 :            :  * \ingroup analysis
      27                 :            :  * \brief Area check.
      28                 :            :  */
      29                 :          2 : class ANALYSIS_EXPORT QgsGeometryAreaCheck : public QgsGeometryCheck
      30                 :            : {
      31                 :          5 :     Q_DECLARE_TR_FUNCTIONS( QgsGeometryAreaCheck )
      32                 :            :   public:
      33                 :            :     enum ResolutionMethod { MergeLongestEdge, MergeLargestArea, MergeIdenticalAttribute, Delete, NoChange };
      34                 :            : 
      35                 :          2 :     QgsGeometryAreaCheck( QgsGeometryCheckContext *context, const QVariantMap &configuration )
      36                 :          2 :       : QgsGeometryCheck( context, configuration )
      37                 :          2 :       , mAreaThreshold( configurationValue<double>( "areaThreshold" ) )
      38                 :          6 :     {}
      39                 :          2 :     QList<QgsWkbTypes::GeometryType> compatibleGeometryTypes() const override { return factoryCompatibleGeometryTypes(); }
      40                 :            :     void collectErrors( const QMap<QString, QgsFeaturePool *> &featurePools, QList<QgsGeometryCheckError *> &errors, QStringList &messages, QgsFeedback *feedback, const LayerFeatureIds &ids = LayerFeatureIds() ) const override;
      41                 :            :     void fixError( const QMap<QString, QgsFeaturePool *> &featurePools, QgsGeometryCheckError *error, int method, const QMap<QString, int> &mergeAttributeIndices, Changes &changes ) const override;
      42                 :            :     Q_DECL_DEPRECATED QStringList resolutionMethods() const override;
      43                 :          2 :     QString id() const override { return factoryId(); }
      44                 :          0 :     QgsGeometryCheck::CheckType checkType() const override { return factoryCheckType(); }
      45                 :            : 
      46                 :          2 :     static QList<QgsWkbTypes::GeometryType> factoryCompatibleGeometryTypes() {return {QgsWkbTypes::PolygonGeometry}; }
      47                 :            :     static bool factoryIsCompatible( QgsVectorLayer *layer ) SIP_SKIP { return factoryCompatibleGeometryTypes().contains( layer->geometryType() ); }
      48                 :          0 :     static QString factoryDescription() { return tr( "Minimal area" ); }
      49                 :          0 :     QString description() const override { return factoryDescription(); }
      50                 :          4 :     static QString factoryId() { return QStringLiteral( "QgsGeometryAreaCheck" ); }
      51                 :          0 :     static QgsGeometryCheck::CheckType factoryCheckType() { return QgsGeometryCheck::FeatureCheck; }
      52                 :            : 
      53                 :            :   private:
      54                 :            :     virtual bool checkThreshold( double layerToMapUnits, const QgsAbstractGeometry *geom, double &value ) const;
      55                 :            :     bool mergeWithNeighbor( const QMap<QString, QgsFeaturePool *> &featurePools, const QString &layerId, QgsFeature &feature, int partIdx, int method, int mergeAttributeIndex, Changes &changes, QString &errMsg ) const;
      56                 :            : 
      57                 :            :     const double mAreaThreshold;
      58                 :            : };
      59                 :            : 
      60                 :            : #endif // QGS_GEOMETRY_AREA_CHECK_H