qgsgridfilewriter.h

Go to the documentation of this file.

/***************************************************************************
                              qgsgridfilewriter.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 QGSGRIDFILEWRITER_H
#define QGSGRIDFILEWRITER_H
 
#include "qgis_analysis.h"
#include "qgsrectangle.h"
 
#include <QString>
#include <QTextStream>
 
class QgsInterpolator;
class QgsFeedback;
 
//todo: extend such that writing to other file types is possible

class ANALYSIS_EXPORT QgsGridFileWriter
{
  public:
    QgsGridFileWriter( QgsInterpolator *interpolator, const QString &outputPath, const QgsRectangle &extent, int nCols, int nRows, const QString &outputFormat = QString() );

    int writeFile( QgsFeedback *feedback = nullptr );

    void setCreationOptions( const QStringList &options ) { mCreationOptions = options; }

    QStringList creationOptions() const { return mCreationOptions; }

    void setNoDataValue( double noDataValue ) { mNoDataValue = noDataValue; }

    double noDataValue() const { return mNoDataValue; }
 
  private:
    QgsGridFileWriter() = delete;
 
    QgsInterpolator *mInterpolator = nullptr;
    QString mOutputFilePath;
    QgsRectangle mInterpolationExtent;
    int mNumColumns = 0;
    int mNumRows = 0;
 
    double mCellSizeX = 0;
    double mCellSizeY = 0;
 
    QString mOutputFormat;
 
    QStringList mCreationOptions;
    double mNoDataValue = -9999.0;
};
 
#endif