.. _coords: Coordinates """"""""""" Coordinates can be defined in the configuration file, for example pyfusion.cfg contains:: [CoordTransform:H1_mirnov] magnetic = pyfusion.devices.H1.coords.MirnovKhMagneticCoordTransform [Diagnostic:H1_mirnov_array_1_coil_1] data_fetcher = pyfusion.acquisition.H1.fetch.H1DataFetcher mds_path = \h1data::top.operations.mirnov:a14_14:input_1 coords_cylindrical = 1.114, 0.7732, 0.355 coord_transform = H1_mirnov which specifies coords_cylindrical as the canonical coordinate representation, followed by a reference to a magnetic coordinate transform which depends on magnetic configuration (and therefore varies from shot to shot). When data is acquired, eg:: import pyfusion as pf h1 = pf.getDevice('H1') data = h1.acq.getdata(58010, 'H1_mirnov_array_1_coil_1')