/usr/include/qgis/qgsrastercalcnode.h is in libqgis-dev 2.14.11+dfsg-3+deb9u1.
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qgsrastercalcnode.h
Node for raster calculator tree
--------------------
begin : 2010-10-23
copyright : (C) 20010 by Marco Hugentobler
email : marco dot hugentobler at sourcepole 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 QGSRASTERCALCNODE_H
#define QGSRASTERCALCNODE_H
#include "qgsrastermatrix.h"
#include <QMap>
#include <QString>
class QgsRasterBlock;
class ANALYSIS_EXPORT QgsRasterCalcNode
{
public:
//! defines possible types of node
enum Type
{
tOperator = 1,
tNumber,
tRasterRef,
tMatrix
};
//! possible operators
enum Operator
{
opPLUS,
opMINUS,
opMUL,
opDIV,
opPOW,
opSQRT,
opSIN,
opCOS,
opTAN,
opASIN,
opACOS,
opATAN,
opEQ, // =
opNE, //!=
opGT, // >
opLT, // <
opGE, // >=
opLE, // <=
opAND,
opOR,
opSIGN, // change sign
opLOG,
opLOG10,
opNONE,
};
QgsRasterCalcNode();
QgsRasterCalcNode( double number );
QgsRasterCalcNode( QgsRasterMatrix* matrix );
QgsRasterCalcNode( Operator op, QgsRasterCalcNode* left, QgsRasterCalcNode* right );
QgsRasterCalcNode( const QString& rasterName );
~QgsRasterCalcNode();
Type type() const { return mType; }
//set left node
void setLeft( QgsRasterCalcNode* left ) { delete mLeft; mLeft = left; }
void setRight( QgsRasterCalcNode* right ) { delete mRight; mRight = right; }
/** Calculates result of raster calculation (might be real matrix or single number).
* @param rasterData input raster data references, map of raster name to raster data block
* @param result destination raster matrix for calculation results
* @param row optional row number to calculate for calculating result by rows, or -1 to
* calculate entire result
* @note added in QGIS 2.10
* @note not available in Python bindings
*/
bool calculate( QMap<QString, QgsRasterBlock* >& rasterData, QgsRasterMatrix& result, int row = -1 ) const;
/** @deprecated use method which accepts QgsRasterBlocks instead
*/
Q_DECL_DEPRECATED bool calculate( QMap<QString, QgsRasterMatrix*>& rasterData, QgsRasterMatrix& result ) const;
static QgsRasterCalcNode* parseRasterCalcString( const QString& str, QString& parserErrorMsg );
private:
Type mType;
QgsRasterCalcNode* mLeft;
QgsRasterCalcNode* mRight;
double mNumber;
QString mRasterName;
QgsRasterMatrix* mMatrix;
Operator mOperator;
QgsRasterCalcNode( const QgsRasterCalcNode& rh );
QgsRasterCalcNode& operator=( const QgsRasterCalcNode& rh );
};
#endif // QGSRASTERCALCNODE_H
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