pt.lsts.neptus.util.lbl

Class LBLTriangulationHelper

java.lang.Object

pt.lsts.neptus.util.lbl.LBLTriangulationHelper

public class LBLTriangulationHelper
extends java.lang.Object

Author:

pdias

Constructor Summary

Constructors

Constructor and Description
LBLTriangulationHelper(TransponderElement[] transpondersArray, LocationType start)

Method Summary

Modifier and Type	Method and Description
LocationType	getLastKnownPos()
long	getLastKnownPosMillis()
void	reset() Used to reset the values.
void	reset(TransponderElement[] transpondersArray, LocationType start) Used to reset the values and transponders list.
void	resetLastKnownPos(LocationType lastKnownPos, long lastKnownPosMillis) This will update the last known position to be used.
LocationType	updateRange(long id, double range, long timeStampMillis, java.lang.String reason)
LocationType	updateRangeAccepted(long id, double range, long timeStampMillis) Used for a valid range.
LocationType	updateRangeRejected(long id, double range, long timeStampMillis, java.lang.String reason) Used for an invalid range.

Methods inherited from class java.lang.Object

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

Constructor Detail

LBLTriangulationHelper

public LBLTriangulationHelper(TransponderElement[] transpondersArray,
                              LocationType start)
                       throws java.lang.Exception

Parameters:

transpondersArray - Ordered transponders to use

start - Start location to disambiguate the side of the baseline

Throws:

java.lang.Exception

Method Detail

reset

public void reset(TransponderElement[] transpondersArray,
                  LocationType start)
           throws java.lang.Exception

Used to reset the values and transponders list.

Throws:

java.lang.Exception

reset

public void reset()

Used to reset the values.

getLastKnownPos

public LocationType getLastKnownPos()

Returns:

the lastKnownPos

resetLastKnownPos

public void resetLastKnownPos(LocationType lastKnownPos,
                              long lastKnownPosMillis)

This will update the last known position to be used.

getLastKnownPosMillis

public long getLastKnownPosMillis()

Returns:

the time millis of calculation

updateRangeAccepted

public LocationType updateRangeAccepted(long id,
                                        double range,
                                        long timeStampMillis)

Used for a valid range.

Parameters:

id - Of the transponder

range - the range in meters

timeStampMillis - the timestamp in millis of the range

Returns:

the calculated location or null if the calculation was not possible.

updateRange

public LocationType updateRange(long id,
                                double range,
                                long timeStampMillis,
                                java.lang.String reason)

updateRangeRejected

public LocationType updateRangeRejected(long id,
                                        double range,
                                        long timeStampMillis,
                                        java.lang.String reason)

Used for an invalid range.

Parameters:

id - Of the transponder

range - the range in meters

timeStampMillis - the timestamp in millis of the range

Returns:

the calculated location or null if the calculation was not possible.