QGIS/python/core/raster/qgsrasterprojector.sip
2012-10-11 16:12:09 +02:00

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/** Raster projector */
class QgsRasterProjector : QgsRasterInterface
{
%TypeHeaderCode
#include <qgsrasterprojector.h>
#include <qgscoordinatereferencesystem.h>
%End
public:
/** \brief 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,
QgsRectangle theDestExtent,
int theDestRows, int theDestCols,
double theMaxSrcXRes, double theMaxSrcYRes,
QgsRectangle theExtent
);
QgsRasterProjector(
QgsCoordinateReferenceSystem theSrcCRS,
QgsCoordinateReferenceSystem theDestCRS,
double theMaxSrcXRes, double theMaxSrcYRes,
QgsRectangle theExtent
);
QgsRasterProjector();
/** \brief The destructor */
~QgsRasterProjector();
QgsRasterInterface *clone() const /Factory/;
int bandCount() const;
int dataType( int bandNo ) const;
/** \brief set source and destination CRS */
void setCRS( const QgsCoordinateReferenceSystem & theSrcCRS, const QgsCoordinateReferenceSystem & theDestCRS );
/** \brief Get source CRS */
QgsCoordinateReferenceSystem srcCrs() const;
/** \brief Get destination CRS */
QgsCoordinateReferenceSystem destCrs() const;
/** \brief set maximum source resolution */
void setMaxSrcRes( double theMaxSrcXRes, double theMaxSrcYRes );
/** get source extent */
QgsRectangle srcExtent();
/** get/set source width/height */
int srcRows();
int srcCols();
void setSrcRows( int theRows );
void setSrcCols( int theCols );
/** \brief Get source row and column indexes for current source extent and resolution */
void srcRowCol( int theDestRow, int theDestCol, int *theSrcRow, int *theSrcCol );
int dstRows() const;
int dstCols() const;
QgsRasterBlock *block( int bandNo, const QgsRectangle & extent, int width, int height ) / Factory /;
};