qgsalgorithmhypsometriccurves.h

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/***************************************************************************
                         qgsalgorithmhypsometriccurves.h
                         ---------------------
    begin                : April 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 QGSALGORITHMHYPSOMETRICCURVES_H
#define QGSALGORITHMHYPSOMETRICCURVES_H
 
#include "qgis_sip.h"
#include "qgsprocessingalgorithm.h"
 
#define SIP_NO_FILE


class QgsHypsometricCurvesAlgorithm : public QgsProcessingAlgorithm
{
  public:
    QgsHypsometricCurvesAlgorithm() = default;
    void initAlgorithm( const QVariantMap &configuration = QVariantMap() ) override;
    QString name() const override;
    QString displayName() const override;
    QStringList tags() const override;
    QString group() const override;
    QString groupId() const override;
    QString shortHelpString() const override;
    QString shortDescription() const override;
    QgsHypsometricCurvesAlgorithm *createInstance() const override SIP_FACTORY;
 
  protected:
    bool prepareAlgorithm( const QVariantMap &parameters, QgsProcessingContext &context, QgsProcessingFeedback *feedback ) override;
    QVariantMap processAlgorithm( const QVariantMap &parameters, QgsProcessingContext &context, QgsProcessingFeedback * ) override;
 
  private:
    QMap<double, double> calculateHypsometry( const QVector<double> &elevations, QgsProcessingFeedback *feedback ) const;
 
    std::unique_ptr<QgsRasterInterface> mRasterInterface;
    bool mHasNoDataValue = false;
    double mNodataValue = -1;
    QgsRectangle mRasterExtent;
    QgsCoordinateReferenceSystem mCrs;
    double mCellSizeX = 0;
    double mCellSizeY = 0;
    double mNbCellsXProvider = 0;
    double mNbCellsYProvider = 0;
    bool mUsePercentage = false;
    double mStep = 0;
 
    static constexpr qgssize MAX_BINS = 1000;
};

 
 
#endif // QGSALGORITHMHYPSOMETRICCURVES_H