# Initialization
    fname = '/reg/d/psdm/cxi/cxii0114/calib/CsPad::CalibV1/CxiDs1.0:Cspad.0/geometry/0-end.data'
    list_of_geos = load_pars_from_file(fname)

	# Information printout
    for geo in list_of_geos : geo.print_geo()
    for geo in list_of_geos : geo.print_geo_children()

    # Access to the pixel coordinate arrays 
	top_geo = list_of_geos[-1] # the top parent object is appaended as a last element of the list
	xarr, yarr, zarr = top_geo.get_pixel_coords()