00e060a71ebf8ccbcc9be093d3bba46928a37b87,org.dawnsci.persistence/src/org/dawnsci/persistence/internal/PersistSinglePowderCalibrationNode.java,PersistSinglePowderCalibrationNode,createCalibrationSample,#IPowderCalibrationInfo#number#,74

Before Change


		sample.addAttribute(TreeFactory.createAttribute("NX_class", "NXsample"));
		
		sample.addDataNode("d_space",NexusTreeUtils.createDataNode("d_space", info.getCalibrantDSpaceValues(), null));
		sample.addDataNode("name",NexusTreeUtils.createDataNode("name", info.getCalibrantName(), null));
		sample.addDataNode("type",NexusTreeUtils.createDataNode("type", "calibration sample", null));
		
		GroupNode beam = TreeFactory.createGroupNode(0);

After Change


		
		sample.addGroupNode("beam", beam);
		
		if (info != null) {
			sample.addDataNode("d_space",NexusTreeUtils.createDataNode("d_space", info.getCalibrantDSpaceValues(), null));
			sample.addDataNode("name",NexusTreeUtils.createDataNode("name", info.getCalibrantName(), null));
			sample.addDataNode("type",NexusTreeUtils.createDataNode("type", "calibration sample", null));
		}