src/analysis/vector/qgsoverlayanalyzer.h

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/***************************************************************************
    qgsoverlayanalyzer.h - QGIS Tools for vector geometry analysis
                             -------------------
    begin                : 19 March 2009
    copyright            : (C) Carson Farmer
    email                : carson.farmer@gmail.com
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef QGSOVERLAYANALYZERH
#define QGSOVERLAYANALYZERH

#include "qgsvectorlayer.h"
#include "qgsfield.h"
#include "qgsspatialindex.h"
#include "qgsfeature.h"
#include "qgsgeometry.h"
#include "qgsfield.h"
#include "qgsdistancearea.h"

class QgsVectorFileWriter;
class QProgressDialog;


class ANALYSIS_EXPORT QgsOverlayAnalyzer
{
  public:

    bool intersection( QgsVectorLayer* layerA, QgsVectorLayer* layerB,
                       const QString& shapefileName, bool onlySelectedFeatures = false,
                       QProgressDialog* p = 0 );

#if 0

    bool combine( QgsVectorLayer* layerA, QgsVectorLayer* layerB,
                  const QString& shapefileName, bool onlySelectedFeatures = false,
                  QProgressDialog* p = 0 );

    bool clip( QgsVectorLayer* layerA, QgsVectorLayer* layerB,
               const QString& shapefileName, bool onlySelectedFeatures = false,
               QProgressDialog* p = 0 );

    bool difference( QgsVectorLayer* layerA, QgsVectorLayer* layerB,
                     const QString& shapefileName, bool onlySelectedFeatures = false,
                     QProgressDialog* p = 0 );

    bool symDifference( QgsVectorLayer* layerA, QgsVectorLayer* layerB,
                        const QString& shapefileName, bool onlySelectedFeatures = false,
                        QProgressDialog* p = 0 );
#endif

  private:

    void combineFieldLists( QgsFieldMap& fieldListA, QgsFieldMap fieldListB );
    void intersectFeature( QgsFeature& f, QgsVectorFileWriter* vfw, QgsVectorLayer* dp, QgsSpatialIndex* index );
    void combineAttributeMaps( QgsAttributeMap& attributeMapA, QgsAttributeMap attributeMapB );
};
#endif //QGSVECTORANALYZER

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