collect_nodata_values()

def raster2pgsql.collect_nodata_values	(		ds,
			band_from,
			band_to
	)

Collect nodata values of bands in requested range

Definition at line 529 of file raster2pgsql.py.

References is_nan().

Referenced by wkblify_raster_level().

def collect_nodata_values(ds, band_from, band_to):
    """Collect nodata values of bands in requested range"""

    nd = []
    for i in range(band_from, band_to):
        band = ds.GetRasterBand(i)
        nodata = band.GetNoDataValue()
        if nodata is not None and not is_nan(nodata):
            nd.append(nodata)

    return nd

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