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qgsninecellfilter.h
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1 /***************************************************************************
2  qgsninecellfilter.h - description
3  -------------------
4  begin : August 6th, 2009
5  copyright : (C) 2009 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 QGSNINECELLFILTER_H
19 #define QGSNINECELLFILTER_H
20 
21 #include <QString>
22 #include "gdal.h"
23 
24 class QProgressDialog;
25 
30 class ANALYSIS_EXPORT QgsNineCellFilter
31 {
32  public:
34  QgsNineCellFilter( const QString& inputFile, const QString& outputFile, const QString& outputFormat );
35  virtual ~QgsNineCellFilter();
39  int processRaster( QProgressDialog* p );
40 
41  double cellSizeX() const { return mCellSizeX; }
42  void setCellSizeX( double size ) { mCellSizeX = size; }
43  double cellSizeY() const { return mCellSizeY; }
44  void setCellSizeY( double size ) { mCellSizeY = size; }
45 
46  double zFactor() const { return mZFactor; }
47  void setZFactor( double factor ) { mZFactor = factor; }
48 
49  double inputNodataValue() const { return mInputNodataValue; }
50  void setInputNodataValue( double value ) { mInputNodataValue = value; }
51  double outputNodataValue() const { return mOutputNodataValue; }
52  void setOutputNodataValue( double value ) { mOutputNodataValue = value; }
53 
56  virtual float processNineCellWindow( float* x11, float* x21, float* x31,
57  float* x12, float* x22, float* x32,
58  float* x13, float* x23, float* x33 ) = 0;
59 
60  private:
61  //default constructor forbidden. We need input file, output file and format obligatory
63 
65  GDALDatasetH openInputFile( int& nCellsX, int& nCellsY );
68  GDALDriverH openOutputDriver();
71  GDALDatasetH openOutputFile( GDALDatasetH inputDataset, GDALDriverH outputDriver );
72 
73  protected:
74 
75  QString mInputFile;
76  QString mOutputFile;
77  QString mOutputFormat;
78 
79  double mCellSizeX;
80  double mCellSizeY;
86  double mZFactor;
87 };
88 
89 #endif // QGSNINECELLFILTER_H