QGIS API Documentation  2.99.0-Master (b058df7)
qgsrastercalcnode.h
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1 /***************************************************************************
2  qgsrastercalcnode.h
3  Node for raster calculator tree
4  --------------------
5  begin : 2010-10-23
6  copyright : (C) 20010 by Marco Hugentobler
7  email : marco dot hugentobler at sourcepole dot ch
8 ***************************************************************************/
9 
10 /***************************************************************************
11  * *
12  * This program is free software; you can redistribute it and/or modify *
13  * it under the terms of the GNU General Public License as published by *
14  * the Free Software Foundation; either version 2 of the License, or *
15  * (at your option) any later version. *
16  * *
17  ***************************************************************************/
18 
19 #ifndef QGSRASTERCALCNODE_H
20 #define QGSRASTERCALCNODE_H
21 
22 #include <QMap>
23 #include "qgis_sip.h"
24 #include "qgis.h"
25 #include <QString>
26 #include "qgis_analysis.h"
27 
28 class QgsRasterBlock;
29 class QgsRasterMatrix;
30 
35 class ANALYSIS_EXPORT QgsRasterCalcNode
36 {
37  public:
39  enum Type
40  {
41  tOperator = 1,
44  tMatrix
45  };
46 
48  enum Operator
49  {
62  opEQ, // =
63  opNE,
64  opGT, // >
65  opLT, // <
66  opGE, // >=
67  opLE, // <=
70  opSIGN, // change sign
74  };
75 
79  QgsRasterCalcNode() = default;
80 
81  QgsRasterCalcNode( double number );
84  QgsRasterCalcNode( const QString &rasterName );
86 
88  QgsRasterCalcNode( const QgsRasterCalcNode &rh ) = delete;
90  QgsRasterCalcNode &operator=( const QgsRasterCalcNode &rh ) = delete;
91 
92  Type type() const { return mType; }
93 
94  //set left node
95  void setLeft( QgsRasterCalcNode *left ) { delete mLeft; mLeft = left; }
96  void setRight( QgsRasterCalcNode *right ) { delete mRight; mRight = right; }
97 
107  bool calculate( QMap<QString, QgsRasterBlock * > &rasterData, QgsRasterMatrix &result, int row = -1 ) const SIP_SKIP;
108 
109  static QgsRasterCalcNode *parseRasterCalcString( const QString &str, QString &parserErrorMsg ) SIP_FACTORY;
110 
111  private:
112 #ifdef SIP_RUN
114 #endif
115 
116  Type mType = tNumber;
117  QgsRasterCalcNode *mLeft = nullptr;
118  QgsRasterCalcNode *mRight = nullptr;
119  double mNumber = 0;
120  QString mRasterName;
121  QgsRasterMatrix *mMatrix = nullptr;
122  Operator mOperator = opNONE;
123 
124 };
125 
126 
127 #endif // QGSRASTERCALCNODE_H
Raster data container.
#define SIP_SKIP
Definition: qgis_sip.h:119
Type
defines possible types of node
Operator
possible operators
#define SIP_FACTORY
Definition: qgis_sip.h:69
void setLeft(QgsRasterCalcNode *left)
void setRight(QgsRasterCalcNode *right)