    001/*-
    002 *******************************************************************************
    003 * Copyright (c) 2011, 2016 Diamond Light Source Ltd.
    004 * All rights reserved. This program and the accompanying materials
    005 * are made available under the terms of the Eclipse Public License v1.0
    006 * which accompanies this distribution, and is available at
    007 * http://www.eclipse.org/legal/epl-v10.html
    008 *
    009 * Contributors:
    010 *    Peter Chang - initial API and implementation and/or initial documentation
    011 *******************************************************************************/
    012
    013package org.eclipse.january.metadata;
    014
    015import org.eclipse.january.dataset.ILazyDataset;
    016
    017/**
    018 * This metadata describes ARPES-related information
    019 */
    020public interface ARPESMetadata extends MetadataType {
    021
    022        /**
    023         * Initialize
    024         */
    025        public void initialize();
    026
    027        // Constants for the scan
    028        public double getPhotonEnergy();
    029        public double getWorkFunction();
    030        public double getPassEnergy();
    031        public double getTemperature();
    032
    033        // Axis associated with detector images
    034        public ILazyDataset getKineticEnergies();
    035        public ILazyDataset getAnalyserAngles();
    036
    037        // Axis associated with the scan direction of the data
    038        public ILazyDataset getPolarAngles();
    039        public ILazyDataset getTiltAngles();
    040        public ILazyDataset getAzimuthalAngles();
    041
    042        // Calibration information
    043        public double getEnergyAxisGlobalOffset();
    044        public double getAngleAxisGlobalOffset();
    045        public ILazyDataset getEnergyAxisOffset();
    046
    047
    048        // calculated axis associated with frames
    049        public ILazyDataset getBindingEnergies();
    050        public ILazyDataset getPhotoelectronMomentum();
    051
    052
    053        // Methods to correct data
    054
    055}