qgsdistanceutils.h

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/***************************************************************************
                         qgsdistanceutils.cpp
                         ---------------------
    begin                : June 2026
    copyright            : (C) 2026 by Alexander Bruy
    email                : alexander dot bruy at gmail dot 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 QGSDISTANCEUTILS_H
#define QGSDISTANCEUTILS_H
 
#include <utility>
#include <vector>
 
#include "qgis_analysis.h"
#include "qgis_sip.h"
#include "qgsfeatureid.h"
#include "qgspointxy.h"
 
#define SIP_NO_FILE
 
class QgsDistanceArea;
class QgsProcessingFeedback;

 
namespace QgsDistanceUtils
{
  struct ANALYSIS_EXPORT NeighborResult
  {
      QgsFeatureId featureId;
      double distance;
      QgsPointXY point;
  };

  ANALYSIS_EXPORT std::vector<QgsDistanceUtils::NeighborResult> nearestNeighbors(
    const QgsPointXY &sourcePoint, const std::vector<std::pair<QgsFeatureId, QgsPointXY>> &targetPoints, const QgsDistanceArea &da, long long k, QgsProcessingFeedback *feedback = nullptr
  );
} //namespace QgsDistanceUtils

 
#endif // QGSDISTANCEUTILS_H