QgsRasterMatrix Class Reference

Represents a matrix in a raster calculator operation. More...

#include <qgsrastermatrix.h>

Public Types
enum	OneArgOperator {   opSQRT , opSIN , opCOS , opTAN ,   opASIN , opACOS , opATAN , opSIGN ,   opLOG , opLOG10 , opABS }
enum	TwoArgOperator {   opPLUS , opMINUS , opMUL , opDIV ,   opPOW , opEQ , opNE , opGT ,   opLT , opGE , opLE , opAND ,   opOR , opMIN , opMAX }

Public Member Functions
	QgsRasterMatrix ()=default
	QgsRasterMatrix (const QgsRasterMatrix &m)
	QgsRasterMatrix (int nCols, int nRows, double *data, double nodataValue)
	Takes ownership of data array.
	~QgsRasterMatrix ()
bool	absoluteValue ()
	Calculates the absolute value.
bool	acosinus ()
bool	add (const QgsRasterMatrix &other)
	Adds another matrix to this one.
bool	asinus ()
bool	atangens ()
bool	changeSign ()
bool	cosinus ()
double *	data ()
	Returns data array (but not ownership)
bool	divide (const QgsRasterMatrix &other)
bool	equal (const QgsRasterMatrix &other)
bool	greaterEqual (const QgsRasterMatrix &other)
bool	greaterThan (const QgsRasterMatrix &other)
bool	isNumber () const
	Returns true if matrix is 1x1 (=scalar number)
bool	lesserEqual (const QgsRasterMatrix &other)
bool	lesserThan (const QgsRasterMatrix &other)
bool	log ()
bool	log10 ()
bool	logicalAnd (const QgsRasterMatrix &other)
bool	logicalOr (const QgsRasterMatrix &other)
bool	max (const QgsRasterMatrix &other)
	Calculates the maximum value between two matrices.
bool	min (const QgsRasterMatrix &other)
	Calculates the minimum value between two matrices.
bool	multiply (const QgsRasterMatrix &other)
int	nColumns () const
double	nodataValue () const
bool	notEqual (const QgsRasterMatrix &other)
int	nRows () const
double	number () const
QgsRasterMatrix &	operator= (const QgsRasterMatrix &m)
bool	power (const QgsRasterMatrix &other)
void	setData (int cols, int rows, double *data, double nodataValue)
void	setNodataValue (double d)
bool	sinus ()
bool	squareRoot ()
bool	subtract (const QgsRasterMatrix &other)
	Subtracts another matrix from this one.
double *	takeData ()
	Returns data and ownership.
bool	tangens ()

Detailed Description

Represents a matrix in a raster calculator operation.

Definition at line 29 of file qgsrastermatrix.h.

Member Enumeration Documentation

OneArgOperator

enum QgsRasterMatrix::OneArgOperator

Enumerator
opSQRT
opSIN
opCOS
opTAN
opASIN
opACOS
opATAN
opSIGN
opLOG
opLOG10
opABS

Definition at line 52 of file qgsrastermatrix.h.

TwoArgOperator

enum QgsRasterMatrix::TwoArgOperator

Enumerator
opPLUS
opMINUS
opMUL
opDIV
opPOW
opEQ
opNE
opGT
opLT
opGE
opLE
opAND
opOR
opMIN
opMAX

Definition at line 33 of file qgsrastermatrix.h.

Constructor & Destructor Documentation

QgsRasterMatrix() [1/3]

QgsRasterMatrix::QgsRasterMatrix ( )

default

QgsRasterMatrix() [2/3]

QgsRasterMatrix::QgsRasterMatrix	(	int	nCols,
		int	nRows,
		double *	data,
		double	nodataValue
	)

Takes ownership of data array.

Note

note available in Python bindings

Definition at line 23 of file qgsrastermatrix.cpp.

QgsRasterMatrix() [3/3]

QgsRasterMatrix::QgsRasterMatrix

(

const QgsRasterMatrix &

m

)

Definition at line 31 of file qgsrastermatrix.cpp.

~QgsRasterMatrix()

QgsRasterMatrix::~QgsRasterMatrix

(

)

Definition at line 36 of file qgsrastermatrix.cpp.

Member Function Documentation

absoluteValue()

bool QgsRasterMatrix::absoluteValue

(

)

Calculates the absolute value.

Returns

true on success

Since

QGIS 3.10

Definition at line 199 of file qgsrastermatrix.cpp.

acosinus()

bool QgsRasterMatrix::acosinus

(

)

Definition at line 169 of file qgsrastermatrix.cpp.

add()

bool QgsRasterMatrix::add

(

const QgsRasterMatrix &

other

)

Adds another matrix to this one.

Definition at line 74 of file qgsrastermatrix.cpp.

asinus()

bool QgsRasterMatrix::asinus

(

)

Definition at line 159 of file qgsrastermatrix.cpp.

atangens()

bool QgsRasterMatrix::atangens

(

)

Definition at line 179 of file qgsrastermatrix.cpp.

changeSign()

bool QgsRasterMatrix::changeSign

(

)

Definition at line 184 of file qgsrastermatrix.cpp.

cosinus()

bool QgsRasterMatrix::cosinus

(

)

Definition at line 164 of file qgsrastermatrix.cpp.

data()

double * QgsRasterMatrix::data ( )

inline

Returns data array (but not ownership)

Note

not available in Python bindings

Definition at line 85 of file qgsrastermatrix.h.

divide()

bool QgsRasterMatrix::divide

(

const QgsRasterMatrix &

other

)

Definition at line 89 of file qgsrastermatrix.cpp.

equal()

bool QgsRasterMatrix::equal

(

const QgsRasterMatrix &

other

)

Definition at line 99 of file qgsrastermatrix.cpp.

greaterEqual()

bool QgsRasterMatrix::greaterEqual

(

const QgsRasterMatrix &

other

)

Definition at line 119 of file qgsrastermatrix.cpp.

greaterThan()

bool QgsRasterMatrix::greaterThan

(

const QgsRasterMatrix &

other

)

Definition at line 109 of file qgsrastermatrix.cpp.

isNumber()

bool QgsRasterMatrix::isNumber ( ) const

inline

Returns true if matrix is 1x1 (=scalar number)

Definition at line 78 of file qgsrastermatrix.h.

lesserEqual()

bool QgsRasterMatrix::lesserEqual

(

const QgsRasterMatrix &

other

)

Definition at line 124 of file qgsrastermatrix.cpp.

lesserThan()

bool QgsRasterMatrix::lesserThan

(

const QgsRasterMatrix &

other

)

Definition at line 114 of file qgsrastermatrix.cpp.

log()

bool QgsRasterMatrix::log

(

)

Definition at line 189 of file qgsrastermatrix.cpp.

log10()

bool QgsRasterMatrix::log10

(

)

Definition at line 194 of file qgsrastermatrix.cpp.

logicalAnd()

bool QgsRasterMatrix::logicalAnd

(

const QgsRasterMatrix &

other

)

Definition at line 129 of file qgsrastermatrix.cpp.

logicalOr()

bool QgsRasterMatrix::logicalOr

(

const QgsRasterMatrix &

other

)

Definition at line 134 of file qgsrastermatrix.cpp.

max()

bool QgsRasterMatrix::max

(

const QgsRasterMatrix &

other

)

Calculates the maximum value between two matrices.

Returns

true on success

Since

QGIS 3.10

Definition at line 139 of file qgsrastermatrix.cpp.

min()

bool QgsRasterMatrix::min

(

const QgsRasterMatrix &

other

)

Calculates the minimum value between two matrices.

Returns

true on success

Since

QGIS 3.10

Definition at line 144 of file qgsrastermatrix.cpp.

multiply()

bool QgsRasterMatrix::multiply

(

const QgsRasterMatrix &

other

)

Definition at line 84 of file qgsrastermatrix.cpp.

nColumns()

int QgsRasterMatrix::nColumns ( ) const

inline

Definition at line 95 of file qgsrastermatrix.h.

nodataValue()

double QgsRasterMatrix::nodataValue ( ) const

inline

Definition at line 98 of file qgsrastermatrix.h.

notEqual()

bool QgsRasterMatrix::notEqual

(

const QgsRasterMatrix &

other

)

Definition at line 104 of file qgsrastermatrix.cpp.

nRows()

int QgsRasterMatrix::nRows ( ) const

inline

Definition at line 96 of file qgsrastermatrix.h.

number()

double QgsRasterMatrix::number ( ) const

inline

Definition at line 79 of file qgsrastermatrix.h.

operator=()

QgsRasterMatrix & QgsRasterMatrix::operator=

(

const QgsRasterMatrix &

m

)

Definition at line 41 of file qgsrastermatrix.cpp.

power()

bool QgsRasterMatrix::power

(

const QgsRasterMatrix &

other

)

Definition at line 94 of file qgsrastermatrix.cpp.

setData()

void QgsRasterMatrix::setData	(	int	cols,
		int	rows,
		double *	data,
		double	nodataValue
	)

Definition at line 56 of file qgsrastermatrix.cpp.

setNodataValue()

void QgsRasterMatrix::setNodataValue ( double  d )

inline

Definition at line 99 of file qgsrastermatrix.h.

sinus()

bool QgsRasterMatrix::sinus

(

)

Definition at line 154 of file qgsrastermatrix.cpp.

squareRoot()

bool QgsRasterMatrix::squareRoot

(

)

Definition at line 149 of file qgsrastermatrix.cpp.

subtract()

bool QgsRasterMatrix::subtract

(

const QgsRasterMatrix &

other

)

Subtracts another matrix from this one.

Definition at line 79 of file qgsrastermatrix.cpp.

takeData()

double * QgsRasterMatrix::takeData

(

)

Returns data and ownership.

Sets data and nrows, ncols of this matrix to 0

Note

not available in Python bindings

Definition at line 65 of file qgsrastermatrix.cpp.

tangens()

bool QgsRasterMatrix::tangens

(

)

Definition at line 174 of file qgsrastermatrix.cpp.

---

The documentation for this class was generated from the following files:

• /build/qgis-3.41.0+git20241110+fda2aa46e9a+99sid/src/analysis/raster/qgsrastermatrix.h
• /build/qgis-3.41.0+git20241110+fda2aa46e9a+99sid/src/analysis/raster/qgsrastermatrix.cpp