/*
* 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
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*/
package ucar.atd.dorade;
import java.io.RandomAccessFile;
import java.util.Calendar;
import java.util.Date;
import java.util.TimeZone;
/**
* <p>Title: DoradeRYIB</p>
* <p>Description: DORADE ray information block</p>
* <p>Copyright: Copyright (c) 2003</p>
* <p>Company: University Corporation for Atmospheric Research</p>
* @author Chris Burghart
* @version $Revision:51 $ $Date:2006-07-12 17:13:13Z $
*/
/* $Id:DoradeRYIB.java 51 2006-07-12 17:13:13Z caron $ */
class DoradeRYIB extends DoradeDescriptor {
private int sweepNumber;
private Date rayTime;
private float azimuth;
private float elevation;
private float lastPeakPower; // kW
private float scanRate; // deg/s
private int rayStatus; // 0 normal, 1 transition, 2 bad
private DoradeVOLD myVOLD;
public DoradeRYIB(RandomAccessFile file, boolean littleEndianData,
DoradeVOLD vold)
throws DescriptorException {
byte[] data = readDescriptor(file, littleEndianData, "RYIB");
myVOLD = vold;
//
// unpack
//
sweepNumber = grabInt(data, 8);
int julianDay = grabInt(data, 12);
int hour = grabShort(data, 16);
int minute = grabShort(data, 18);
int second = grabShort(data, 20);
int milliSecond = grabShort(data, 22);
azimuth = grabFloat(data, 24);
elevation = grabFloat(data, 28);
lastPeakPower = grabFloat(data, 32);
scanRate = grabFloat(data, 36);
rayStatus = grabInt(data, 40);
//
// Assemble the ray time, starting from the volume time, setting the
// hh:mm:ss, and adjusting up by a day if we crossed a day bound
// since the beginning of the volume. Why didn't they just put
// a complete time here? Julian day without the year is useless!
// GRRR...
//
Date volumeTime = myVOLD.getVolumeTime();
Calendar volumeCalendar = Calendar.getInstance(TZ_UTC);
volumeCalendar.setTime(volumeTime);
Calendar rayTimeCalendar = (Calendar)volumeCalendar.clone();
rayTimeCalendar.set(Calendar.HOUR_OF_DAY, hour);
rayTimeCalendar.set(Calendar.MINUTE, minute);
rayTimeCalendar.set(Calendar.SECOND, second);
rayTimeCalendar.set(Calendar.MILLISECOND, milliSecond);
if (rayTimeCalendar.before(volumeCalendar))
rayTimeCalendar.add(Calendar.DAY_OF_MONTH, 1);
rayTime = rayTimeCalendar.getTime();
//
// debugging output
//
if (verbose)
System.out.println(this);
}
public String toString() {
String s = "RYIB\n";
s += " sweep number: " + sweepNumber + "\n";
s += " ray time: " + formatDate(rayTime) + "\n";
s += " azimuth: " + azimuth + "\n";
s += " elevation: " + elevation + "\n";
s += " last peak transmitted power: " + lastPeakPower + "\n";
s += " scan rate: " + scanRate + "\n";
s += " ray status: " + rayStatus;
return s;
}
public float getAzimuth() {
return azimuth;
}
public float getElevation() {
return elevation;
}
// unidata added
public Date getRayTime() {
return rayTime;
}
}