#include <qgsrasterprojector.h>

Inheritance diagram for QgsRasterProjector:

Collaboration diagram for QgsRasterProjector:

Public Member Functions
	QgsRasterProjector (QgsCoordinateReferenceSystem theSrcCRS, QgsCoordinateReferenceSystem theDestCRS, QgsRectangle theDestExtent, int theDestRows, int theDestCols, double theMaxSrcXRes, double theMaxSrcYRes, QgsRectangle theExtent)
	QgsRasterProjector implements approximate projection support for it calculates grid of points in source CRS for target CRS + extent which are used to calculate affine transformation matrices.
	QgsRasterProjector (QgsCoordinateReferenceSystem theSrcCRS, QgsCoordinateReferenceSystem theDestCRS, double theMaxSrcXRes, double theMaxSrcYRes, QgsRectangle theExtent)
	QgsRasterProjector ()
	QgsRasterProjector (const QgsRasterProjector &projector)
	Copy constructor.
	~QgsRasterProjector ()
	The destructor.
QgsRasterProjector &	operator= (const QgsRasterProjector &projector)
QgsRasterInterface *	clone () const
	Clone itself, create deep copy.
int	bandCount () const
	Get number of bands.
QGis::DataType	dataType (int bandNo) const
	Returns data type for the band specified by number.
void	setCRS (const QgsCoordinateReferenceSystem &theSrcCRS, const QgsCoordinateReferenceSystem &theDestCRS)
	set source and destination CRS
QgsCoordinateReferenceSystem	srcCrs () const
	Get source CRS.
QgsCoordinateReferenceSystem	destCrs () const
	Get destination CRS.
void	setMaxSrcRes (double theMaxSrcXRes, double theMaxSrcYRes)
	set maximum source resolution
QgsRasterBlock *	block (int bandNo, const QgsRectangle &extent, int width, int height)
	Read block of data using given extent and size.
Public Member Functions inherited from QgsRasterInterface
	QgsRasterInterface (QgsRasterInterface *input=0)
virtual	~QgsRasterInterface ()
virtual int	capabilities () const
	Returns a bitmask containing the supported capabilities.
QString	capabilitiesString () const
	Returns the above in friendly format.
virtual QGis::DataType	srcDataType (int bandNo) const
	Returns source data type for the band specified by number, source data type may be shorter than dataType.
virtual QgsRectangle	extent ()
	Get the extent of the interface.
int	dataTypeSize (int bandNo)
virtual int	xBlockSize () const
	Get block size.
virtual int	yBlockSize () const
virtual int	xSize () const
	Get raster size.
virtual int	ySize () const
virtual QString	generateBandName (int theBandNumber) const
	helper function to create zero padded band names
virtual bool	setInput (QgsRasterInterface *input)
	Set input.
virtual QgsRasterInterface *	input () const
	Current input.
virtual bool	on () const
	Is on/off.
virtual void	setOn (bool on)
	Set on/off.
virtual const QgsRasterInterface *	srcInput () const
	Get source / raw input, the first in pipe, usually provider.
virtual QgsRasterInterface *	srcInput ()
virtual QgsRasterBandStats	bandStatistics (int theBandNo, int theStats=QgsRasterBandStats::All, const QgsRectangle &theExtent=QgsRectangle(), int theSampleSize=0)
	Get band statistics.
virtual bool	hasStatistics (int theBandNo, int theStats=QgsRasterBandStats::All, const QgsRectangle &theExtent=QgsRectangle(), int theSampleSize=0)
	Returns true if histogram is available (cached, already calculated).
virtual QgsRasterHistogram	histogram (int theBandNo, int theBinCount=0, double theMinimum=std::numeric_limits< double >::quiet_NaN(), double theMaximum=std::numeric_limits< double >::quiet_NaN(), const QgsRectangle &theExtent=QgsRectangle(), int theSampleSize=0, bool theIncludeOutOfRange=false)
	Get histogram.
virtual bool	hasHistogram (int theBandNo, int theBinCount, double theMinimum=std::numeric_limits< double >::quiet_NaN(), double theMaximum=std::numeric_limits< double >::quiet_NaN(), const QgsRectangle &theExtent=QgsRectangle(), int theSampleSize=0, bool theIncludeOutOfRange=false)
	Returns true if histogram is available (cached, already calculated), the parameters are the same as in histogram()
virtual void	cumulativeCut (int theBandNo, double theLowerCount, double theUpperCount, double &theLowerValue, double &theUpperValue, const QgsRectangle &theExtent=QgsRectangle(), int theSampleSize=0)
	Find values for cumulative pixel count cut.
virtual void	writeXML (QDomDocument &doc, QDomElement &parentElem) const
	Write base class members to xml.
virtual void	readXML (const QDomElement &filterElem)
	Sets base class members from xml.

Private Member Functions
QgsRectangle	srcExtent ()
	get source extent
int	srcRows ()
	get/set source width/height
int	srcCols ()
void	setSrcRows (int theRows)
void	setSrcCols (int theCols)
void	srcRowCol (int theDestRow, int theDestCol, int theSrcRow, int theSrcCol)
	Get source row and column indexes for current source extent and resolution.
int	dstRows () const
int	dstCols () const
void	destPointOnCPMatrix (int theRow, int theCol, double theX, double theY)
	get destination point for current destination position
int	matrixRow (int theDestRow)
	Get matrix upper left row/col indexes for destination row/col.
int	matrixCol (int theDestCol)
QgsPoint	srcPoint (int theRow, int theCol)
	get destination point for current matrix position
void	preciseSrcRowCol (int theDestRow, int theDestCol, int theSrcRow, int theSrcCol)
	Get precise source row and column indexes for current source extent and resolution.
void	approximateSrcRowCol (int theDestRow, int theDestCol, int theSrcRow, int theSrcCol)
	Get approximate source row and column indexes for current source extent and resolution.
void	calc ()
	Calculate matrix.
void	insertRows ()
	insert rows to matrix
void	insertCols ()
	insert columns to matrix
void	calcCP (int theRow, int theCol)
bool	calcRow (int theRow)
	calculate matrix row
bool	calcCol (int theCol)
	calculate matrix column
void	calcSrcExtent ()
	calculate source extent
void	calcSrcRowsCols ()
	calculate minimum source width and height
bool	checkCols ()
	check error along columns returns true if within threshold
bool	checkRows ()
	check error along rows returns true if within threshold
void	calcHelper (int theMatrixRow, QgsPoint *thePoints)
	Calculate array of src helper points.
void	nextHelper ()
	Calc / switch helper.
QString	cpToString ()
	get mCPMatrix as string

Private Attributes
QgsCoordinateReferenceSystem	mSrcCRS
	Source CRS.
QgsCoordinateReferenceSystem	mDestCRS
	Destination CRS.
QgsCoordinateTransform	mCoordinateTransform
	Reverse coordinate transform (from destination to source)
QgsRectangle	mDestExtent
	Destination extent.
QgsRectangle	mSrcExtent
	Source extent.
QgsRectangle	mExtent
	Source raster extent.
int	mDestRows
	Number of destination rows.
int	mDestCols
	Number of destination columns.
double	mDestXRes
	Destination x resolution.
double	mDestYRes
	Destination y resolution.
int	mSrcRows
	Number of source rows.
int	mSrcCols
	Number of source columns.
double	mSrcXRes
	Source x resolution.
double	mSrcYRes
	Source y resolution.
double	mDestRowsPerMatrixRow
	number of destination rows per matrix row
double	mDestColsPerMatrixCol
	number of destination cols per matrix col
QList< QList< QgsPoint > >	mCPMatrix
	Grid of source control points.
QList< QList< bool > >	mCPLegalMatrix
	Grid of source control points transformation possible indicator.
QgsPoint *	pHelperTop
	Array of source points for each destination column on top of current CPMatrix grid row.
QgsPoint *	pHelperBottom
	Array of source points for each destination column on bottom of current CPMatrix grid row.
int	mHelperTopRow
	Current mHelperTop matrix row.
int	mCPCols
	Number of mCPMatrix columns.
int	mCPRows
	Number of mCPMatrix rows.
double	mSqrTolerance
	Maximum tolerance in destination units.
double	mMaxSrcXRes
	Maximum source resolution.
double	mMaxSrcYRes
bool	mApproximate
	Use approximation.

Additional Inherited Members
Public Types inherited from QgsRasterInterface
enum	Capability { NoCapabilities = 0, Size = 1 << 1, Create = 1 << 2, Remove = 1 << 3, BuildPyramids = 1 << 4, Identify = 1 << 5, IdentifyValue = 1 << 6, IdentifyText = 1 << 7, IdentifyHtml = 1 << 8, IdentifyFeature = 1 << 9 }
	If you add to this, please also add to capabilitiesString() More...
Protected Member Functions inherited from QgsRasterInterface
void	initHistogram (QgsRasterHistogram &theHistogram, int theBandNo, int theBinCount=0, double theMinimum=std::numeric_limits< double >::quiet_NaN(), double theMaximum=std::numeric_limits< double >::quiet_NaN(), const QgsRectangle &theExtent=QgsRectangle(), int theSampleSize=0, bool theIncludeOutOfRange=false)
	Fill in histogram defaults if not specified.
void	initStatistics (QgsRasterBandStats &theStatistics, int theBandNo, int theStats=QgsRasterBandStats::All, const QgsRectangle &theExtent=QgsRectangle(), int theBinCount=0)
	Fill in statistics defaults if not specified.
Protected Attributes inherited from QgsRasterInterface
QgsRasterInterface *	mInput
QList< QgsRasterBandStats >	mStatistics
	List of cached statistics, all bands mixed.
QList< QgsRasterHistogram >	mHistograms
	List of cached histograms, all bands mixed.
bool	mOn

Detailed Description

Definition at line 38 of file qgsrasterprojector.h.

Constructor & Destructor Documentation

QgsRasterProjector::QgsRasterProjector	(	QgsCoordinateReferenceSystem	theSrcCRS,
		QgsCoordinateReferenceSystem	theDestCRS,
		QgsRectangle	theDestExtent,
		int	theDestRows,
		int	theDestCols,
		double	theMaxSrcXRes,
		double	theMaxSrcYRes,
		QgsRectangle	theExtent
	)

QgsRasterProjector implements approximate projection support for it calculates grid of points in source CRS for target CRS + extent which are used to calculate affine transformation matrices.

Definition at line 23 of file qgsrasterprojector.cpp.

References calc(), QgsDebugMsg, and QgsRectangle::toString().

QgsRasterProjector::QgsRasterProjector	(	QgsCoordinateReferenceSystem	theSrcCRS,
		QgsCoordinateReferenceSystem	theDestCRS,
		double	theMaxSrcXRes,
		double	theMaxSrcYRes,
		QgsRectangle	theExtent
	)

Definition at line 46 of file qgsrasterprojector.cpp.

References QgsDebugMsg.

QgsRasterProjector::QgsRasterProjector ( )

Definition at line 62 of file qgsrasterprojector.cpp.

References QgsDebugMsg.

Referenced by clone().

QgsRasterProjector::QgsRasterProjector ( const QgsRasterProjector & projector )

Copy constructor.

Definition at line 69 of file qgsrasterprojector.cpp.

References mCoordinateTransform, mDestCRS, mExtent, mMaxSrcXRes, mMaxSrcYRes, mSrcCRS, QgsCoordinateTransform::setDestCRS(), and QgsCoordinateTransform::setSourceCrs().

QgsRasterProjector::~QgsRasterProjector ( )

The destructor.

Definition at line 103 of file qgsrasterprojector.cpp.

References pHelperBottom, and pHelperTop.

Member Function Documentation

void QgsRasterProjector::approximateSrcRowCol	(	int	theDestRow,
		int	theDestCol,
		int *	theSrcRow,
		int *	theSrcCol
	)

inlineprivate

Get approximate source row and column indexes for current source extent and resolution.

Definition at line 493 of file qgsrasterprojector.cpp.

References destPointOnCPMatrix(), matrixCol(), matrixRow(), mDestExtent, mDestYRes, mHelperTopRow, mSrcCols, mSrcExtent, mSrcRows, mSrcXRes, mSrcYRes, nextHelper(), pHelperBottom, pHelperTop, QgsPoint::x(), QgsRectangle::xMinimum(), QgsPoint::y(), and QgsRectangle::yMaximum().

Referenced by srcRowCol().

int QgsRasterProjector::bandCount ( ) const

virtual

Get number of bands.

Implements QgsRasterInterface.

Definition at line 109 of file qgsrasterprojector.cpp.

References QgsRasterInterface::bandCount(), and QgsRasterInterface::mInput.

QgsRasterBlock * QgsRasterProjector::block	(	int	bandNo,
		const QgsRectangle &	extent,
		int	width,
		int	height
	)

virtual

Read block of data using given extent and size.

Returns pointer to data. Caller is responsible to free the memory returned.

Parameters

bandNo	band number
extent	extent of block
width	pixel width of block
height	pixel height of block

Implements QgsRasterInterface.

Definition at line 710 of file qgsrasterprojector.cpp.

References QgsRasterBlock::bits(), QgsRasterInterface::block(), calc(), QgsRasterInterface::dataType(), QgsRasterBlock::dataType(), QgsRasterInterface::extent(), QgsRasterBlock::hasNoData(), QgsRasterBlock::hasNoDataValue(), QgsRasterBlock::isEmpty(), QgsRasterBlock::isNoData(), QgsCoordinateReferenceSystem::isValid(), mDestCols, mDestCRS, mDestExtent, mDestRows, QgsRasterInterface::mInput, mSrcCols, mSrcCRS, QgsRasterBlock::noDataValue(), QgsDebugMsg, QgsDebugMsgLevel, srcCols(), srcExtent(), srcRowCol(), srcRows(), QgsRectangle::toString(), and QgsRasterBlock::typeSize().

void QgsRasterProjector::calc ( )

private

Calculate matrix.

Definition at line 131 of file qgsrasterprojector.cpp.

References calcHelper(), calcRow(), calcSrcExtent(), calcSrcRowsCols(), QgsRasterInterface::capabilities(), checkCols(), checkRows(), cpToString(), QgsRasterDataProvider::extent(), QgsRectangle::height(), insertCols(), insertRows(), QgsRectangle::isEmpty(), mApproximate, mCPCols, mCPLegalMatrix, mCPMatrix, mCPRows, mDestCols, mDestColsPerMatrixCol, mDestExtent, mDestRows, mDestRowsPerMatrixRow, mDestXRes, mDestYRes, mExtent, mHelperTopRow, QgsRasterInterface::mInput, mMaxSrcXRes, mMaxSrcYRes, mSqrTolerance, mSrcCols, mSrcExtent, mSrcRows, mSrcXRes, mSrcYRes, pHelperBottom, pHelperTop, QgsDebugMsg, QgsDebugMsgLevel, QgsRasterInterface::Size, QgsRasterInterface::srcInput(), QgsRectangle::width(), QgsRasterInterface::xSize(), and QgsRasterInterface::ySize().

Referenced by block(), and QgsRasterProjector().

bool QgsRasterProjector::calcCol ( int theCol )

private

calculate matrix column

Definition at line 619 of file qgsrasterprojector.cpp.

References calcCP(), mCPRows, and QgsDebugMsgLevel.

Referenced by insertCols().

void QgsRasterProjector::calcCP	(	int	theRow,
		int	theCol
	)

private

Definition at line 590 of file qgsrasterprojector.cpp.

References destPointOnCPMatrix(), mCoordinateTransform, mCPLegalMatrix, mCPMatrix, and QgsCoordinateTransform::transform().

Referenced by calcCol(), and calcRow().

void QgsRasterProjector::calcHelper	(	int	theMatrixRow,
		QgsPoint *	thePoints
	)

private

Calculate array of src helper points.

Definition at line 399 of file qgsrasterprojector.cpp.

References destPointOnCPMatrix(), matrixCol(), mCPMatrix, mDestCols, mDestExtent, mDestXRes, QgsPoint::setX(), QgsPoint::setY(), QgsPoint::x(), QgsRectangle::xMinimum(), and QgsPoint::y().

Referenced by calc(), and nextHelper().

bool QgsRasterProjector::calcRow ( int theRow )

private

calculate matrix row

Definition at line 608 of file qgsrasterprojector.cpp.

References calcCP(), mCPCols, and QgsDebugMsgLevel.

Referenced by calc(), and insertRows().

void QgsRasterProjector::calcSrcExtent ( )

private

calculate source extent

Definition at line 238 of file qgsrasterprojector.cpp.

References QgsRectangle::combineExtentWith(), QgsRectangle::isEmpty(), mCPCols, mCPLegalMatrix, mCPMatrix, mCPRows, mExtent, mMaxSrcXRes, mMaxSrcYRes, mSrcExtent, QgsDebugMsg, QgsRectangle::setXMaximum(), QgsRectangle::setXMinimum(), QgsRectangle::setYMaximum(), QgsRectangle::setYMinimum(), QgsRectangle::toString(), QgsPoint::x(), QgsRectangle::xMaximum(), QgsRectangle::xMinimum(), QgsPoint::y(), QgsRectangle::yMaximum(), and QgsRectangle::yMinimum().

Referenced by calc().

void QgsRasterProjector::calcSrcRowsCols ( )

private

calculate minimum source width and height

Definition at line 322 of file qgsrasterprojector.cpp.

References QgsRectangle::height(), mCPCols, mCPLegalMatrix, mCPMatrix, mCPRows, mDestCols, mDestRows, mMaxSrcXRes, mMaxSrcYRes, mSrcCols, mSrcExtent, mSrcRows, QgsDebugMsg, QgsPoint::sqrDist(), and QgsRectangle::width().

Referenced by calc().

bool QgsRasterProjector::checkCols ( )

private

check error along columns returns true if within threshold

Definition at line 630 of file qgsrasterprojector.cpp.

References destPointOnCPMatrix(), mCoordinateTransform, mCPCols, mCPLegalMatrix, mCPMatrix, mCPRows, mSqrTolerance, QgsCoordinateTransform::ReverseTransform, QgsPoint::sqrDist(), QgsCoordinateTransform::transform(), QgsPoint::x(), and QgsPoint::y().

Referenced by calc().

bool QgsRasterProjector::checkRows ( )

private

check error along rows returns true if within threshold

Definition at line 670 of file qgsrasterprojector.cpp.

References destPointOnCPMatrix(), mCoordinateTransform, mCPCols, mCPLegalMatrix, mCPMatrix, mCPRows, mSqrTolerance, QgsCoordinateTransform::ReverseTransform, QgsPoint::sqrDist(), QgsCoordinateTransform::transform(), QgsPoint::x(), and QgsPoint::y().

Referenced by calc().

QgsRasterInterface * QgsRasterProjector::clone ( ) const

virtual

Clone itself, create deep copy.

Implements QgsRasterInterface.

Definition at line 96 of file qgsrasterprojector.cpp.

References mDestCRS, mExtent, mMaxSrcXRes, mMaxSrcYRes, mSrcCRS, QgsDebugMsg, and QgsRasterProjector().

QString QgsRasterProjector::cpToString ( )

private

get mCPMatrix as string

Definition at line 297 of file qgsrasterprojector.cpp.

References mCPCols, mCPLegalMatrix, mCPMatrix, mCPRows, and QgsPoint::toString().

Referenced by calc().

QGis::DataType QgsRasterProjector::dataType ( int bandNo ) const

virtual

Returns data type for the band specified by number.

Implements QgsRasterInterface.

Definition at line 116 of file qgsrasterprojector.cpp.

References QgsRasterInterface::dataType(), QgsRasterInterface::mInput, and QGis::UnknownDataType.

QgsCoordinateReferenceSystem QgsRasterProjector::destCrs ( ) const

inline

Get destination CRS.

Definition at line 83 of file qgsrasterprojector.h.

Referenced by QgsRasterFileWriter::writeDataRaster().

void QgsRasterProjector::destPointOnCPMatrix	(	int	theRow,
		int	theCol,
		double *	theX,
		double *	theY
	)

inlineprivate

get destination point for current destination position

Definition at line 377 of file qgsrasterprojector.cpp.

References QgsRectangle::height(), mCPCols, mCPRows, mDestExtent, QgsRectangle::width(), QgsRectangle::xMinimum(), and QgsRectangle::yMaximum().

Referenced by approximateSrcRowCol(), calcCP(), calcHelper(), checkCols(), and checkRows().

int QgsRasterProjector::dstCols ( ) const

inlineprivate

Definition at line 107 of file qgsrasterprojector.h.

int QgsRasterProjector::dstRows ( ) const

inlineprivate

Definition at line 106 of file qgsrasterprojector.h.

void QgsRasterProjector::insertCols ( )

private

insert columns to matrix

Definition at line 570 of file qgsrasterprojector.cpp.

References calcCol(), mCPCols, mCPLegalMatrix, mCPMatrix, and mCPRows.

Referenced by calc().

void QgsRasterProjector::insertRows ( )

private

insert rows to matrix

Definition at line 548 of file qgsrasterprojector.cpp.

References calcRow(), mCPCols, mCPLegalMatrix, mCPMatrix, mCPRows, and QgsDebugMsgLevel.

Referenced by calc().

int QgsRasterProjector::matrixCol ( int theDestCol )

inlineprivate

Definition at line 387 of file qgsrasterprojector.cpp.

References mDestColsPerMatrixCol.

Referenced by approximateSrcRowCol(), and calcHelper().

int QgsRasterProjector::matrixRow ( int theDestRow )

inlineprivate

Get matrix upper left row/col indexes for destination row/col.

Definition at line 383 of file qgsrasterprojector.cpp.

References mDestRowsPerMatrixRow.

Referenced by approximateSrcRowCol().

void QgsRasterProjector::nextHelper ( )

private

Calc / switch helper.

Definition at line 424 of file qgsrasterprojector.cpp.

References calcHelper(), mHelperTopRow, pHelperBottom, and pHelperTop.

Referenced by approximateSrcRowCol().

QgsRasterProjector & QgsRasterProjector::operator= ( const QgsRasterProjector & projector )

Definition at line 81 of file qgsrasterprojector.cpp.

References mCoordinateTransform, mDestCRS, mExtent, mMaxSrcXRes, mMaxSrcYRes, mSrcCRS, QgsCoordinateTransform::setDestCRS(), and QgsCoordinateTransform::setSourceCrs().

void QgsRasterProjector::preciseSrcRowCol	(	int	theDestRow,
		int	theDestCol,
		int *	theSrcRow,
		int *	theSrcCol
	)

inlineprivate

Get precise source row and column indexes for current source extent and resolution.

Definition at line 447 of file qgsrasterprojector.cpp.

References mCoordinateTransform, mDestExtent, mDestXRes, mDestYRes, mSrcCols, mSrcExtent, mSrcRows, mSrcXRes, mSrcYRes, QgsDebugMsgLevel, QgsCoordinateTransform::transformInPlace(), QgsRectangle::xMinimum(), and QgsRectangle::yMaximum().

Referenced by srcRowCol().

void QgsRasterProjector::setCRS	(	const QgsCoordinateReferenceSystem &	theSrcCRS,
		const QgsCoordinateReferenceSystem &	theDestCRS
	)

set source and destination CRS

Definition at line 123 of file qgsrasterprojector.cpp.

References mCoordinateTransform, mDestCRS, mSrcCRS, QgsCoordinateTransform::setDestCRS(), and QgsCoordinateTransform::setSourceCrs().

Referenced by QgsRasterLayer::draw().

void QgsRasterProjector::setMaxSrcRes	(	double	theMaxSrcXRes,
		double	theMaxSrcYRes
	)

inline

set maximum source resolution

Definition at line 86 of file qgsrasterprojector.h.

void QgsRasterProjector::setSrcCols ( int theCols )

inlineprivate

Definition at line 101 of file qgsrasterprojector.h.

void QgsRasterProjector::setSrcRows ( int theRows )

inlineprivate

Definition at line 100 of file qgsrasterprojector.h.

int QgsRasterProjector::srcCols ( )

inlineprivate

Definition at line 99 of file qgsrasterprojector.h.

Referenced by block().

QgsCoordinateReferenceSystem QgsRasterProjector::srcCrs ( ) const

inline

Get source CRS.

Definition at line 80 of file qgsrasterprojector.h.

Referenced by QgsRasterFileWriter::writeDataRaster().

QgsRectangle QgsRasterProjector::srcExtent ( )

inlineprivate

get source extent

Definition at line 95 of file qgsrasterprojector.h.

Referenced by block().

QgsPoint QgsRasterProjector::srcPoint	(	int	theRow,
		int	theCol
	)

private

get destination point for current matrix position

Definition at line 392 of file qgsrasterprojector.cpp.

void QgsRasterProjector::srcRowCol	(	int	theDestRow,
		int	theDestCol,
		int *	theSrcRow,
		int *	theSrcCol
	)

private

Get source row and column indexes for current source extent and resolution.

Definition at line 435 of file qgsrasterprojector.cpp.

References approximateSrcRowCol(), mApproximate, and preciseSrcRowCol().

Referenced by block().

int QgsRasterProjector::srcRows ( )

inlineprivate

get/set source width/height

Definition at line 98 of file qgsrasterprojector.h.

Referenced by block().

Member Data Documentation

bool QgsRasterProjector::mApproximate

private

Use approximation.

Definition at line 245 of file qgsrasterprojector.h.

Referenced by calc(), and srcRowCol().

QgsCoordinateTransform QgsRasterProjector::mCoordinateTransform

private

Reverse coordinate transform (from destination to source)

Definition at line 173 of file qgsrasterprojector.h.

Referenced by calcCP(), checkCols(), checkRows(), operator=(), preciseSrcRowCol(), QgsRasterProjector(), and setCRS().

int QgsRasterProjector::mCPCols

private

Number of mCPMatrix columns.

Definition at line 233 of file qgsrasterprojector.h.

Referenced by calc(), calcRow(), calcSrcExtent(), calcSrcRowsCols(), checkCols(), checkRows(), cpToString(), destPointOnCPMatrix(), insertCols(), and insertRows().

QList< QList<bool> > QgsRasterProjector::mCPLegalMatrix

private

Grid of source control points transformation possible indicator.

Definition at line 219 of file qgsrasterprojector.h.

Referenced by calc(), calcCP(), calcSrcExtent(), calcSrcRowsCols(), checkCols(), checkRows(), cpToString(), insertCols(), and insertRows().

QList< QList<QgsPoint> > QgsRasterProjector::mCPMatrix

private

Grid of source control points.

Definition at line 215 of file qgsrasterprojector.h.

Referenced by calc(), calcCP(), calcHelper(), calcSrcExtent(), calcSrcRowsCols(), checkCols(), checkRows(), cpToString(), insertCols(), and insertRows().

int QgsRasterProjector::mCPRows

private

Number of mCPMatrix rows.

Definition at line 235 of file qgsrasterprojector.h.

Referenced by calc(), calcCol(), calcSrcExtent(), calcSrcRowsCols(), checkCols(), checkRows(), cpToString(), destPointOnCPMatrix(), insertCols(), and insertRows().

int QgsRasterProjector::mDestCols

private

Number of destination columns.

Definition at line 188 of file qgsrasterprojector.h.

Referenced by block(), calc(), calcHelper(), and calcSrcRowsCols().

double QgsRasterProjector::mDestColsPerMatrixCol

private

number of destination cols per matrix col

Definition at line 212 of file qgsrasterprojector.h.

Referenced by calc(), and matrixCol().

QgsCoordinateReferenceSystem QgsRasterProjector::mDestCRS

private

Destination CRS.

Definition at line 170 of file qgsrasterprojector.h.

Referenced by block(), clone(), operator=(), QgsRasterProjector(), and setCRS().

QgsRectangle QgsRasterProjector::mDestExtent

private

Destination extent.

Definition at line 176 of file qgsrasterprojector.h.

Referenced by approximateSrcRowCol(), block(), calc(), calcHelper(), destPointOnCPMatrix(), and preciseSrcRowCol().

int QgsRasterProjector::mDestRows

private

Number of destination rows.

Definition at line 185 of file qgsrasterprojector.h.

Referenced by block(), calc(), and calcSrcRowsCols().

double QgsRasterProjector::mDestRowsPerMatrixRow

private

number of destination rows per matrix row

Definition at line 209 of file qgsrasterprojector.h.

Referenced by calc(), and matrixRow().

double QgsRasterProjector::mDestXRes

private

Destination x resolution.

Definition at line 191 of file qgsrasterprojector.h.

Referenced by calc(), calcHelper(), and preciseSrcRowCol().

double QgsRasterProjector::mDestYRes

private

Destination y resolution.

Definition at line 194 of file qgsrasterprojector.h.

Referenced by approximateSrcRowCol(), calc(), and preciseSrcRowCol().

QgsRectangle QgsRasterProjector::mExtent

private

Source raster extent.

Definition at line 182 of file qgsrasterprojector.h.

Referenced by calc(), calcSrcExtent(), clone(), operator=(), and QgsRasterProjector().

int QgsRasterProjector::mHelperTopRow

private

Current mHelperTop matrix row.

Definition at line 230 of file qgsrasterprojector.h.

Referenced by approximateSrcRowCol(), calc(), and nextHelper().

double QgsRasterProjector::mMaxSrcXRes

private

Maximum source resolution.

Definition at line 241 of file qgsrasterprojector.h.

Referenced by calc(), calcSrcExtent(), calcSrcRowsCols(), clone(), operator=(), and QgsRasterProjector().

double QgsRasterProjector::mMaxSrcYRes

private

Definition at line 242 of file qgsrasterprojector.h.

Referenced by calc(), calcSrcExtent(), calcSrcRowsCols(), clone(), operator=(), and QgsRasterProjector().

double QgsRasterProjector::mSqrTolerance

private

Maximum tolerance in destination units.

Definition at line 238 of file qgsrasterprojector.h.

Referenced by calc(), checkCols(), and checkRows().

int QgsRasterProjector::mSrcCols

private

Number of source columns.

Definition at line 200 of file qgsrasterprojector.h.

Referenced by approximateSrcRowCol(), block(), calc(), calcSrcRowsCols(), and preciseSrcRowCol().

QgsCoordinateReferenceSystem QgsRasterProjector::mSrcCRS

private

Source CRS.

Definition at line 167 of file qgsrasterprojector.h.

Referenced by block(), clone(), operator=(), QgsRasterProjector(), and setCRS().

QgsRectangle QgsRasterProjector::mSrcExtent

private

Source extent.

Definition at line 179 of file qgsrasterprojector.h.

Referenced by approximateSrcRowCol(), calc(), calcSrcExtent(), calcSrcRowsCols(), and preciseSrcRowCol().

int QgsRasterProjector::mSrcRows

private

Number of source rows.

Definition at line 197 of file qgsrasterprojector.h.

Referenced by approximateSrcRowCol(), calc(), calcSrcRowsCols(), and preciseSrcRowCol().

double QgsRasterProjector::mSrcXRes

private

Source x resolution.

Definition at line 203 of file qgsrasterprojector.h.

Referenced by approximateSrcRowCol(), calc(), and preciseSrcRowCol().

double QgsRasterProjector::mSrcYRes

private

Source y resolution.

Definition at line 206 of file qgsrasterprojector.h.

Referenced by approximateSrcRowCol(), calc(), and preciseSrcRowCol().

QgsPoint* QgsRasterProjector::pHelperBottom

private

Array of source points for each destination column on bottom of current CPMatrix grid row.

Definition at line 227 of file qgsrasterprojector.h.

Referenced by approximateSrcRowCol(), calc(), nextHelper(), and ~QgsRasterProjector().

QgsPoint* QgsRasterProjector::pHelperTop

private

Array of source points for each destination column on top of current CPMatrix grid row.

Definition at line 223 of file qgsrasterprojector.h.

Referenced by approximateSrcRowCol(), calc(), nextHelper(), and ~QgsRasterProjector().

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

/tmp/buildd/qgis-2.0.1/src/core/raster/qgsrasterprojector.h
/tmp/buildd/qgis-2.0.1/src/core/raster/qgsrasterprojector.cpp

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