QGIS API Documentation  3.27.0-Master (aef1b1ec20)
qgsgridfilewriter.h
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1 /***************************************************************************
2  qgsgridfilewriter.h
3  --------------------
4  begin : March 10, 2008
5  copyright : (C) 2008 by Marco Hugentobler
6  email : marco dot hugentobler at karto dot baug dot ethz dot ch
7  ***************************************************************************/
8 
9 /***************************************************************************
10  * *
11  * This program is free software; you can redistribute it and/or modify *
12  * it under the terms of the GNU General Public License as published by *
13  * the Free Software Foundation; either version 2 of the License, or *
14  * (at your option) any later version. *
15  * *
16  ***************************************************************************/
17 
18 #ifndef QGSGRIDFILEWRITER_H
19 #define QGSGRIDFILEWRITER_H
20 
21 #include "qgsrectangle.h"
22 #include <QString>
23 #include <QTextStream>
24 #include "qgis_analysis.h"
25 
26 class QgsInterpolator;
27 class QgsFeedback;
28 
29 //todo: extend such that writing to other file types is possible
30 
35 class ANALYSIS_EXPORT QgsGridFileWriter
36 {
37  public:
38 
46  QgsGridFileWriter( QgsInterpolator *interpolator, const QString &outputPath, const QgsRectangle &extent, int nCols, int nRows );
47 
55  int writeFile( QgsFeedback *feedback = nullptr );
56 
57  private:
58 
59  QgsGridFileWriter() = delete;
60 
61  int writeHeader( QTextStream &outStream );
62 
63  QgsInterpolator *mInterpolator = nullptr;
64  QString mOutputFilePath;
65  QgsRectangle mInterpolationExtent;
66  int mNumColumns = 0;
67  int mNumRows = 0;
68 
69  double mCellSizeX = 0;
70  double mCellSizeY = 0;
71 };
72 
73 #endif
Base class for feedback objects to be used for cancellation of something running in a worker thread.
Definition: qgsfeedback.h:45
A class that does interpolation to a grid and writes the results to an ascii grid.
Interface class for interpolations.
A rectangle specified with double values.
Definition: qgsrectangle.h:42