QGIS API Documentation
3.20.0-Odense (decaadbb31)
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Utility class for gathering information about rasters. More...
#include <qgsalignraster.h>
Public Member Functions | |
RasterInfo (const QString &layerpath) | |
Construct raster info with a path to a raster file. More... | |
RasterInfo (const RasterInfo &rh)=delete | |
int | bandCount () const |
Returns the number of raster bands in the file. More... | |
QSizeF | cellSize () const |
Returns the cell size in map units. More... | |
QString | crs () const |
Returns the CRS in WKT format. More... | |
void | dump () const |
Write contents of the object to standard error stream - for debugging. More... | |
QgsRectangle | extent () const |
Returns the extent of the raster. More... | |
QPointF | gridOffset () const |
Returns the grid offset. More... | |
double | identify (double mx, double my) |
Gets raster value at the given coordinates (from the first band) More... | |
bool | isValid () const |
Check whether the given path is a valid raster. More... | |
RasterInfo & | operator= (const RasterInfo &rh)=delete |
QPointF | origin () const |
Returns the origin of the raster. More... | |
QSize | rasterSize () const |
Returns the size of the raster grid in pixels. More... | |
Protected Attributes | |
int | mBandCnt = 0 |
number of raster's bands More... | |
QString | mCrsWkt |
CRS stored in WKT format. More... | |
gdal::dataset_unique_ptr | mDataset |
handle to open GDAL dataset More... | |
double | mGeoTransform [6] |
geotransform coefficients More... | |
int | mXSize = 0 |
raster grid size X More... | |
int | mYSize = 0 |
raster grid size Y More... | |
Friends | |
class | QgsAlignRaster |
Utility class for gathering information about rasters.
Definition at line 54 of file qgsalignraster.h.
QgsAlignRaster::RasterInfo::RasterInfo | ( | const QString & | layerpath | ) |
Construct raster info with a path to a raster file.
Definition at line 551 of file qgsalignraster.cpp.
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delete |
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inline |
Returns the number of raster bands in the file.
Definition at line 71 of file qgsalignraster.h.
QSizeF QgsAlignRaster::RasterInfo::cellSize | ( | ) | const |
Returns the cell size in map units.
Definition at line 568 of file qgsalignraster.cpp.
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inline |
Returns the CRS in WKT format.
Definition at line 67 of file qgsalignraster.h.
void QgsAlignRaster::RasterInfo::dump | ( | ) | const |
Write contents of the object to standard error stream - for debugging.
Definition at line 589 of file qgsalignraster.cpp.
QgsRectangle QgsAlignRaster::RasterInfo::extent | ( | ) | const |
Returns the extent of the raster.
Definition at line 579 of file qgsalignraster.cpp.
QPointF QgsAlignRaster::RasterInfo::gridOffset | ( | ) | const |
Returns the grid offset.
Definition at line 573 of file qgsalignraster.cpp.
double QgsAlignRaster::RasterInfo::identify | ( | double | mx, |
double | my | ||
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Gets raster value at the given coordinates (from the first band)
Definition at line 604 of file qgsalignraster.cpp.
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inline |
Check whether the given path is a valid raster.
Definition at line 64 of file qgsalignraster.h.
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delete |
QPointF QgsAlignRaster::RasterInfo::origin | ( | ) | const |
Returns the origin of the raster.
Definition at line 584 of file qgsalignraster.cpp.
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inline |
Returns the size of the raster grid in pixels.
Definition at line 69 of file qgsalignraster.h.
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friend |
Definition at line 106 of file qgsalignraster.h.
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protected |
number of raster's bands
Definition at line 99 of file qgsalignraster.h.
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protected |
CRS stored in WKT format.
Definition at line 91 of file qgsalignraster.h.
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protected |
handle to open GDAL dataset
Definition at line 89 of file qgsalignraster.h.
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protected |
geotransform coefficients
Definition at line 93 of file qgsalignraster.h.
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protected |
raster grid size X
Definition at line 95 of file qgsalignraster.h.
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protected |
raster grid size Y
Definition at line 97 of file qgsalignraster.h.