C:\Users\Pete\Documents\eclipse\punx\src\punx\data\writer_1_3.hdf5 : NeXus data file
  Scan:NXentry
    @NX_class = NXentry
    data:NXdata
      @NX_class = NXdata
      @signal = counts
      @axes = two_theta
      @two_theta_indices = 0
      counts:NX_INT32[31] = [ ... ]
        @units = counts
      two_theta:NX_FLOAT64[31] = [ ... ]
        @units = degrees