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336 lines
8.1 KiB
Plaintext
336 lines
8.1 KiB
Plaintext
/************************************************************************
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* This file has been generated automatically from *
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* *
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* src/analysis/raster/qgsalignraster.h *
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* *
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* Do not edit manually ! Edit header and run scripts/sipify.pl again *
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************************************************************************/
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class QgsAlignRaster
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{
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%Docstring
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QgsAlignRaster takes one or more raster layers and warps (resamples) them
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so they have the same:
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- coordinate reference system
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- cell size and raster size
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- offset of the raster grid
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.. versionadded:: 2.12
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%End
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%TypeHeaderCode
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#include "qgsalignraster.h"
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#include <gdal_version.h>
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%End
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public:
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QgsAlignRaster();
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struct RasterInfo
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{
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public:
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RasterInfo( const QString &layerpath );
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%Docstring
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Construct raster info with a path to a raster file
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%End
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bool isValid() const;
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%Docstring
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Check whether the given path is a valid raster
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:rtype: bool
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%End
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QString crs() const;
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%Docstring
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Return CRS in WKT format
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:rtype: str
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%End
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QSize rasterSize() const;
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%Docstring
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Return size of the raster grid in pixels
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:rtype: QSize
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%End
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int bandCount() const;
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%Docstring
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Return number of raster bands in the file
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:rtype: int
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%End
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QSizeF cellSize() const;
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%Docstring
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Return cell size in map units
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:rtype: QSizeF
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%End
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QPointF gridOffset() const;
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%Docstring
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Return grid offset
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:rtype: QPointF
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%End
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QgsRectangle extent() const;
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%Docstring
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Return extent of the raster
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:rtype: QgsRectangle
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%End
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QPointF origin() const;
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%Docstring
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Return origin of the raster
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:rtype: QPointF
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%End
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void dump() const;
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%Docstring
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write contents of the object to standard error stream - for debugging
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%End
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double identify( double mx, double my );
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%Docstring
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Get raster value at the given coordinates (from the first band)
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:rtype: float
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%End
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protected:
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private:
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RasterInfo( const QgsAlignRaster::RasterInfo &rh );
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};
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enum ResampleAlg
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{
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RA_NearestNeighbour,
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RA_Bilinear,
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RA_Cubic,
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RA_CubicSpline,
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RA_Lanczos,
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RA_Average,
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RA_Mode,
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RA_Max,
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RA_Min,
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RA_Median,
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RA_Q1,
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RA_Q3,
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};
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struct Item
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{
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Item( const QString &input, const QString &output );
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QString inputFilename;
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%Docstring
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filename of the source raster
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%End
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QString outputFilename;
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%Docstring
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filename of the newly created aligned raster (will be overwritten if exists already)
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%End
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QgsAlignRaster::ResampleAlg resampleMethod;
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%Docstring
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resampling method to be used
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%End
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bool rescaleValues;
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%Docstring
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rescaling of values according to the change of pixel size
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%End
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double srcCellSizeInDestCRS;
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%Docstring
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used for rescaling of values (if necessary)
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%End
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};
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typedef QList<QgsAlignRaster::Item> List;
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struct ProgressHandler
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{
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virtual bool progress( double complete ) = 0;
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%Docstring
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Method to be overridden for progress reporting.
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\param complete Overall progress of the alignment operation
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:return: false if the execution should be canceled, true otherwise
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:rtype: bool
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%End
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virtual ~ProgressHandler();
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};
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void setProgressHandler( ProgressHandler *progressHandler );
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%Docstring
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Assign a progress handler instance. Does not take ownership. None can be passed.
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%End
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ProgressHandler *progressHandler() const;
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%Docstring
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Get associated progress handler. May be None (default)
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:rtype: ProgressHandler
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%End
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void setRasters( const List &list );
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%Docstring
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Set list of rasters that will be aligned
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%End
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List rasters() const;
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%Docstring
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Get list of rasters that will be aligned
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:rtype: List
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%End
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void setGridOffset( QPointF offset );
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QPointF gridOffset() const;
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%Docstring
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:rtype: QPointF
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%End
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void setCellSize( double x, double y );
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%Docstring
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Set output cell size
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%End
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void setCellSize( QSizeF size );
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%Docstring
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Set output cell size
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%End
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QSizeF cellSize() const;
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%Docstring
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Get output cell size
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:rtype: QSizeF
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%End
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void setDestinationCrs( const QString &crsWkt );
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%Docstring
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Set the output CRS in WKT format
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%End
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QString destinationCrs() const;
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%Docstring
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Get the output CRS in WKT format
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:rtype: str
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%End
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void setClipExtent( double xmin, double ymin, double xmax, double ymax );
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%Docstring
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Configure clipping extent (region of interest).
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No extra clipping is done if the rectangle is null
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%End
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void setClipExtent( const QgsRectangle &extent );
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%Docstring
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Configure clipping extent (region of interest).
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No extra clipping is done if the rectangle is null
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%End
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QgsRectangle clipExtent() const;
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%Docstring
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Get clipping extent (region of interest).
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No extra clipping is done if the rectangle is null
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:rtype: QgsRectangle
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%End
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bool setParametersFromRaster( const RasterInfo &rasterInfo, const QString &customCRSWkt = QString(), QSizeF customCellSize = QSizeF(), QPointF customGridOffset = QPointF( -1, -1 ) );
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%Docstring
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Set destination CRS, cell size and grid offset from a raster file.
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The user may provide custom values for some of the parameters - in such case
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only the remaining parameters are calculated.
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If default CRS is used, the parameters are set according to the raster file's geo-transform.
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If a custom CRS is provided, suggested reprojection is calculated first (using GDAL) in order
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to determine suitable defaults for cell size and grid offset.
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:return: true on success (may fail if it is not possible to reproject raster to given CRS)
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:rtype: bool
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%End
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bool setParametersFromRaster( const QString &filename, const QString &customCRSWkt = QString(), QSizeF customCellSize = QSizeF(), QPointF customGridOffset = QPointF( -1, -1 ) );
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%Docstring
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Overridden variant for convenience, taking filename instead RasterInfo object.
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See the other variant for details.
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:rtype: bool
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%End
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bool checkInputParameters();
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%Docstring
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Determine destination extent from the input rasters and calculate derived values
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:return: true on success, sets error on error (see errorMessage())
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:rtype: bool
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%End
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QSize alignedRasterSize() const;
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%Docstring
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Return expected size of the resulting aligned raster
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.. note::
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first need to run checkInputParameters() which returns with success
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:rtype: QSize
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%End
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QgsRectangle alignedRasterExtent() const;
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%Docstring
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Return expected extent of the resulting aligned raster
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.. note::
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first need to run checkInputParameters() which returns with success
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:rtype: QgsRectangle
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%End
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bool run();
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%Docstring
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Run the alignment process
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:return: true on success, sets error on error (see errorMessage())
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:rtype: bool
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%End
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QString errorMessage() const;
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%Docstring
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Return error from a previous run() call.
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Error message is empty if run() succeeded (returned true)
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:rtype: str
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%End
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void dump() const;
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%Docstring
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write contents of the object to standard error stream - for debugging
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%End
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int suggestedReferenceLayer() const;
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%Docstring
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Return index of the layer which has smallest cell size (returns -1 on error)
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:rtype: int
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%End
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protected:
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bool createAndWarp( const Item &raster );
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%Docstring
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Internal function for processing of one raster (1. create output, 2. do the alignment)
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:rtype: bool
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%End
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static bool suggestedWarpOutput( const RasterInfo &info, const QString &destWkt, QSizeF *cellSize = 0, QPointF *gridOffset = 0, QgsRectangle *rect = 0 );
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%Docstring
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Determine suggested output of raster warp to a different CRS. Returns true on success
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:rtype: bool
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%End
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protected:
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};
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/************************************************************************
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* This file has been generated automatically from *
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* *
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* src/analysis/raster/qgsalignraster.h *
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* *
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* Do not edit manually ! Edit header and run scripts/sipify.pl again *
|
|
************************************************************************/
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