Root element May be repeated May be repeated Allowed only if subClass="VRTWarpedDataset" Allowed only if subClass="VRTPansharpenedDataset" Allowed only if subClass="VRTProcessedDataset" Allowed only if subClass="VRTProcessedDataset" only for multidimensional dataset Added in GDAL 3.9 Processing step of a VRTPansharpenedDataset Builtin allowed names are BandAffineCombination, LUT, LocalScaleOffset, Trimming. More algorithms can be registered at run-time. Argument of a processing function Allowed names are specific of each processing function