BAG files have two or three image bands representing Elevation (band 1), Uncertainty (band 2) and Nominal Elevation (band 3) values for each cell in a raster grid area.
The geotransform and coordinate system is extracted from the internal XML metadata provided with the dataset. However, some products may have unsupported coordinate system formats.
The full XML metadata is available in the "xml:BAG" metadata domain.
Nodata, minimum and maximum values for each band are also provided.