de.fhg.igd.gps
Class NMEA183GGASentence

java.lang.Object
  de.fhg.igd.gps.NMEA183Sentence
      de.fhg.igd.gps.NMEA183GGASentence

public class NMEA183GGASentence

extends NMEA183Sentence

GGA - Global Positioning System Fix Data, Time, Position and fix related data.

Author:

Dennis Bartussek

Field Summary

protected double	altitude_ Altitude above mean sea level
protected String	altitudeMeasure_
protected int	dgpsId_ DGPS station ID number
protected int	fixQuality_ Fix quality 0 = invalid 1 = GPS fix 2 = DGPS fix
protected double	hdop_ Horizontal dilution of position
protected double	height_ Height of geoid (mean sea level) above WGS84 ellipsoid
protected String	heightMeasure_
protected int	lastUpdate_ Time in seconds since last DGPS update
protected Latitude	latitude_ Latitude
protected Longitude	longitude_ Longitude
protected int	satellites_ Number of satellites being tracked
protected Date	timestamp_ Fix taken at ( Universal Time Coordinated (UTC) )

Fields inherited from class de.fhg.igd.gps.NMEA183Sentence

checksum_, fields_, sentenceId_, sentenceId_desc_, talkerId_, talkerId_desc_

Constructor Summary

NMEA183GGASentence(String talkerId)
Constructs a new NMEAGGA183Sentence with the specified talkerId.

Method Summary

protected String	bodyToString() Returns the body part of this sentence's string representation.
double	getAltitude() Returns the altitude of this sentence.
String	getAltitudeMeasure() Returns the measure of this sentence's altitude as a String object.
int	getDgpsId() Returns the time in seconds since last DGPS update.
int	getFixQuality() Returns the fix quality as an int value.
double	getHdop() Returns the horizontal dilution of precision.
double	getHeight() Returns the height of this sentence.
String	getHeightMeasure() Returns the measure of this sentence's height as a String object.
int	getLastUpdate() Returns the time in seconds since last DGPS update.
Latitude	getLatitude() Returns the Latitude of this sentence.
Longitude	getLongitude() Returns the Longitude of this sentence.
int	getSatellites() Returns the number of satellites.
Date	getTimestamp() Returns the time stamp of this sentence as a Date object.
void	parse(NMEA183Tokenizer tokenizer) Reads and parses a NMEA183 sentence from tokenizer.

Methods inherited from class de.fhg.igd.gps.NMEA183Sentence

computeChecksum, getDateField, getFloatField, getIntegerField, getLatitudeField, getLongitudeField, getSentenceId, getStringField, hasChecksum, headerToString, rebuildSentence, toString, valid

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

longitude_

protected Longitude longitude_

Longitude

latitude_

protected Latitude latitude_

Latitude

timestamp_

protected Date timestamp_

Fix taken at ( Universal Time Coordinated (UTC) )

fixQuality_

protected int fixQuality_

Fix quality
0 = invalid
1 = GPS fix
2 = DGPS fix

satellites_

protected int satellites_

Number of satellites being tracked

hdop_

protected double hdop_

Horizontal dilution of position

altitude_

protected double altitude_

Altitude above mean sea level

altitudeMeasure_

protected String altitudeMeasure_

height_

protected double height_

Height of geoid (mean sea level) above WGS84 ellipsoid

heightMeasure_

protected String heightMeasure_

lastUpdate_

protected int lastUpdate_

Time in seconds since last DGPS update

dgpsId_

protected int dgpsId_

DGPS station ID number

Constructor Detail

NMEA183GGASentence

public NMEA183GGASentence(String talkerId)

Constructs a new NMEAGGA183Sentence with the specified talkerId.

Parameters:

talkerId - the talker id of this NMEA183GGASentence

Method Detail

parse

public void parse(NMEA183Tokenizer tokenizer)
           throws NMEA183SentenceFormatException

Description copied from class: NMEA183Sentence

Reads and parses a NMEA183 sentence from tokenizer.

Overrides:

parse in class NMEA183Sentence

Parameters:

tokenizer - the NMEA183Tokenizer to read from

Throws:

NMEA183SentenceFormatException - if the read sentence does not have the appropriate format

getTimestamp

public Date getTimestamp()

Returns the time stamp of this sentence as a Date object.

Returns:

the time stamp of this sentence as a Date object.

getLongitude

public Longitude getLongitude()

Returns the Longitude of this sentence.

Returns:

the Longitude of this sentence

getLatitude

public Latitude getLatitude()

Returns the Latitude of this sentence.

Returns:

the Latitude of this sentence

getHeight

public double getHeight()

Returns the height of this sentence.

Returns:

the height of this sentence.

See Also:

getHeightMeasure()

getHeightMeasure

public String getHeightMeasure()

Returns the measure of this sentence's height as a String object.

Returns:

the measure of this sentence's height

See Also:

getHeight()

getFixQuality

public int getFixQuality()

Returns the fix quality as an int value.

Returns:

the fix quality as an int value.

getSatellites

public int getSatellites()

Returns the number of satellites.

Returns:

the number of satellites

getHdop

public double getHdop()

Returns the horizontal dilution of precision.

Returns:

the horizontal dilution of precision

getAltitude

public double getAltitude()

Returns the altitude of this sentence.

Returns:

the altitude of this sentence

See Also:

getAltitudeMeasure()

getAltitudeMeasure

public String getAltitudeMeasure()

Returns the measure of this sentence's altitude as a String object.

Returns:

the measure of this sentence's height

See Also:

getAltitude()

getLastUpdate

public int getLastUpdate()

Returns the time in seconds since last DGPS update.

Returns:

the time in seconds since last DGPS update

getDgpsId

public int getDgpsId()

Returns the time in seconds since last DGPS update.

Returns:

the time in seconds since last DGPS update

bodyToString

protected String bodyToString()

Description copied from class: NMEA183Sentence

Returns the body part of this sentence's string representation.

Overrides:

bodyToString in class NMEA183Sentence

Returns:

the body part of this sentence's string representation.

See Also:

NMEA183Sentence.toString()