de.fhg.igd.gps
Class NMEA183GSASentence

java.lang.Object
  de.fhg.igd.gps.NMEA183Sentence
      de.fhg.igd.gps.NMEA183GSASentence

public class NMEA183GSASentence

extends NMEA183Sentence

GSA - GPS DOP and active satellites

Author:

Dennis Bartussek

Field Summary

protected int	fixDimension_ Dimension of fix ( 2D or 3D fix )
protected String	fixSelection_ Selection of 2D or 3D fix: A = auto M = manual
protected double	hdop_ horizontal dilution of precision
protected double	pdop_ dilution of precision
protected Vector	prns_ PRNs of satellites used for fix ( up to 12 ) Each prn is stored using an Integer object.
protected double	vdop_ vertical dilution of precision

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

checksum_, fields_, sentenceId_, sentenceId_desc_, talkerId_, talkerId_desc_

Constructor Summary

NMEA183GSASentence(String talkerId)
Constructs a new NMEAGSA183Sentence with the specified talkerId.

Method Summary

protected String	bodyToString() Returns the body part of this sentence's string representation.
int	getFixDimension() Returns the fix dimension ( 2 for 2D, 3 for 3D ).
String	getFixSelection() Returns the fix selection method ( "A" for auto and "M" for manual fix selection ).
double	getHdop() Returns the horizontal dilution of precision.
double	getPdop() Returns the dilution of precision.
Vector	getPrns() Returns the prns of all satellites being used for the fix as a Vector of Integer objects.
double	getVdop() Returns the vertical dilution of precision.
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

fixSelection_

protected String fixSelection_

Selection of 2D or 3D fix:
A = auto
M = manual

fixDimension_

protected int fixDimension_

Dimension of fix ( 2D or 3D fix )

prns_

protected Vector prns_

PRNs of satellites used for fix ( up to 12 )
Each prn is stored using an Integer object.

pdop_

protected double pdop_

dilution of precision

hdop_

protected double hdop_

horizontal dilution of precision

vdop_

protected double vdop_

vertical dilution of precision

Constructor Detail

NMEA183GSASentence

public NMEA183GSASentence(String talkerId)

Constructs a new NMEAGSA183Sentence with the specified talkerId.

Parameters:

talkerId - the talker id of this NMEA183GSASentence

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

getFixSelection

public String getFixSelection()

Returns the fix selection method ( "A" for auto and "M" for manual fix selection ).

Returns:

the fix selection method as a String object.

getFixDimension

public int getFixDimension()

Returns the fix dimension ( 2 for 2D, 3 for 3D ).

Returns:

the fix dimension

getPrns

public Vector getPrns()

Returns the prns of all satellites being used for the fix as a Vector of Integer objects.

Returns:

the prns of all satellites being used for the fix as a Vector of Integer objects

getPdop

public double getPdop()

Returns the dilution of precision.

Returns:

the dilution of precision

getHdop

public double getHdop()

Returns the horizontal dilution of precision.

Returns:

the horizontal dilution of precision

getVdop

public double getVdop()

Returns the vertical dilution of precision.

Returns:

the vertical dilution of precision

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()