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The NetCDF-Java Library is a Java interface to NetCDF files, as well as to many other types of scientific data formats.
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/*
 * Copyright 1998-2009 University Corporation for Atmospheric Research/Unidata
 *
 * Portions of this software were developed by the Unidata Program at the
 * University Corporation for Atmospheric Research.
 *
 * Access and use of this software shall impose the following obligations
 * and understandings on the user. The user is granted the right, without
 * any fee or cost, to use, copy, modify, alter, enhance and distribute
 * this software, and any derivative works thereof, and its supporting
 * documentation for any purpose whatsoever, provided that this entire
 * notice appears in all copies of the software, derivative works and
 * supporting documentation.  Further, UCAR requests that the user credit
 * UCAR/Unidata in any publications that result from the use of this
 * software or in any product that includes this software. The names UCAR
 * and/or Unidata, however, may not be used in any advertising or publicity
 * to endorse or promote any products or commercial entity unless specific
 * written permission is obtained from UCAR/Unidata. The user also
 * understands that UCAR/Unidata is not obligated to provide the user with
 * any support, consulting, training or assistance of any kind with regard
 * to the use, operation and performance of this software nor to provide
 * the user with any updates, revisions, new versions or "bug fixes."
 *
 * THIS SOFTWARE IS PROVIDED BY UCAR/UNIDATA "AS IS" AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL UCAR/UNIDATA BE LIABLE FOR ANY SPECIAL,
 * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
 * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
 * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
 * WITH THE ACCESS, USE OR PERFORMANCE OF THIS SOFTWARE.
 */
package ucar.atd.dorade;

import java.io.RandomAccessFile;

/**
 * Title: DoradeASIB
 * Description: DORADE aircraft/ship information block
 * Copyright: Copyright (c) 2003
 * Company: University Corporation for Atmospheric Research
 * @author Chris Burghart
 * @version $Revision:51 $ $Date:2006-07-12 17:13:13Z $
 */
/* $Id:DoradeASIB.java 51 2006-07-12 17:13:13Z caron $ */


class DoradeASIB extends DoradeDescriptor {

    private float longitude;
    private float latitude;
    private float altitudeMSL; // km
    private float altitudeAGL; // km
    private float groundSpeedEW; // m/s
    private float groundSpeedNS; // m/s
    private float verticalVelocity; // m/s
    private float antennaHeading; // deg clockwise from true north
    private float rollAngle;
    private float pitchAngle;
    private float yawAngle;
    private float antennaScanAngle;  // deg clockwise from up w.r.t. airframe
    private float antennaFixedAngle; // deg toward nose
    private float uWind; // m/s
    private float vWind; // m/s
    private float wWind; // m/s
    private float headingChangeRate; // deg/s
    private float pitchChangeRate; // deg/s


    public DoradeASIB(RandomAccessFile file, boolean littleEndianData)
            throws DescriptorException {
        byte[] data = readDescriptor(file, littleEndianData, "ASIB");

        //
        // unpack
        //

        longitude = grabFloat(data, 8);
        latitude = grabFloat(data, 12);
        altitudeMSL = grabFloat(data, 16);
        altitudeAGL = grabFloat(data, 20);
        groundSpeedEW = grabFloat(data, 24);
        groundSpeedNS = grabFloat(data, 28);
        verticalVelocity = grabFloat(data, 32);
        antennaHeading = grabFloat(data, 36);
        rollAngle = grabFloat(data, 40);
        pitchAngle = grabFloat(data, 44);
        yawAngle = grabFloat(data, 48);
        antennaScanAngle = grabFloat(data, 52);
        antennaFixedAngle = grabFloat(data, 56);
        uWind = grabFloat(data, 60);
        vWind = grabFloat(data, 64);
        wWind = grabFloat(data, 68);
        headingChangeRate = grabFloat(data, 72);
        pitchChangeRate = grabFloat(data, 76);

        //
        // debugging output
        //
        if (verbose)
            System.out.println(this);
    }

    public String toString() {
        String s = "ASIB\n";
        s += "  longitude: " +  longitude + "\n";
        s += "  latitude: " +  latitude + "\n";
        s += "  altitude (MSL): " +  altitudeMSL + "\n";
        s += "  altitude (AGL): " +  altitudeAGL + "\n";
        s += "  EW ground speed: " + groundSpeedEW + "\n";
        s += "  NS ground speed: " + groundSpeedNS + "\n";
        s += "  vertical velocity: " + verticalVelocity + "\n";
        s += "  antenna heading: " + antennaHeading + "\n";
        s += "  roll: " + rollAngle + "\n";
        s += "  pitch: " + pitchAngle + "\n";
        s += "  yaw: " + yawAngle + "\n";
        s += "  scan angle: " + antennaScanAngle + "\n";
        s += "  fixed angle: " + antennaFixedAngle + "\n";
        s += "  u wind: " + uWind + "\n";
        s += "  v wind: " + vWind + "\n";
        s += "  w wind: " + wWind + "\n";
        s += "  heading change rate: " + headingChangeRate + "\n";
        s += "  pitch change rate: " + pitchChangeRate;
        return s;
    }

    /**
     * Get the latitude
     * @return  the latitude
     */
    public float getLatitude() {
        return latitude;
    }

    /**
     * Get the longitude
     * @return  the longitude
     */
    public float getLongitude() {
        return longitude;
    }

    /**
     * Get the altitude (MSL)
     * @return  the altitude in km MSL
     */
    public float getAltitude() {
        return altitudeMSL;
    }
}