qgsidwinterpolator.h

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/***************************************************************************
                              qgsidwinterpolator.h
                              --------------------
  begin                : March 10, 2008
  copyright            : (C) 2008 by Marco Hugentobler
  email                : marco dot hugentobler at karto dot baug dot ethz dot ch
 ***************************************************************************/
 
/***************************************************************************
 *                                                                         *
 *   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 QGSIDWINTERPOLATOR_H
#define QGSIDWINTERPOLATOR_H
 
#include "qgis_analysis.h"
#include "qgsinterpolator.h"

class ANALYSIS_EXPORT QgsIDWInterpolator : public QgsInterpolator
{
  public:
    QgsIDWInterpolator( const QList<QgsInterpolator::LayerData> &layerData );
 
    int interpolatePoint( double x, double y, double &result SIP_OUT, QgsFeedback *feedback = nullptr ) override;

    void setDistanceCoefficient( double coefficient ) { mDistanceCoefficient = coefficient; }

    double distanceCoefficient() const { return mDistanceCoefficient; }
 
  private:
    QgsIDWInterpolator() = delete;
 
    double mDistanceCoefficient = 2.0;
};
 
#endif