entry:NXentry
		instrument:NXinstrument
			detector:NXdetector
				data:[NP,xsize,ysize]
		sample:NXsample
			rotation_angle[NP]
		control:NXmonitor
			data[NP]
		data:NXdata
			@signal = data
			@axes = rotation_angle . .
			@rotation_angle_indices = 0
			data --> /entry/instrument/detector/data
			rotation_angle --> /entry/sample/rotation_angle