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#1924 Resolves issue with talker GPS positions showing up in map panel as user identifiers. (#1925)

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Co-authored-by: sheirerd <sheirerd@ainfosec.com>
This commit is contained in:
Denny Sheirer
2024-05-26 06:29:07 -04:00
committed by GitHub
parent dddda052fa
commit 03792b0245
4 changed files with 42 additions and 9 deletions
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38
src/main/java/io/github/dsheirer/map/PlottableEntityHistory.java
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@@ -87,12 +87,42 @@ public class PlottableEntityHistory
*/
public void add(PlottableDecodeEvent event)
{
mCurrentEvent = event;
mLocationHistory.add(0, new TimestampedGeoPosition(event.getLocation(), event.getTimeStart()));
TimestampedGeoPosition mostRecentPosition = getLatestPosition();
TimestampedGeoPosition latest = new TimestampedGeoPosition(event.getLocation(), event.getTimeStart());
while(mLocationHistory.size() > MAX_LOCATION_HISTORY)
if(isUnique(latest, mostRecentPosition))
{
mLocationHistory.remove(mLocationHistory.size() - 1);
mCurrentEvent = event;
mLocationHistory.add(0, latest);
while(mLocationHistory.size() > MAX_LOCATION_HISTORY)
{
mLocationHistory.remove(mLocationHistory.size() - 1);
}
}
}
/**
* Indicates if the latest time and position is at least 30 seconds newer than the previous position and either the
* latitude or longitude differs by at least 0.00001 degrees.
* @param latest location
* @param previous location
* @return indication of uniqueness.
*/
private boolean isUnique(TimestampedGeoPosition latest, TimestampedGeoPosition previous)
{
if(latest != null && previous == null)
{
return true;
}
if(latest != null && previous != null)
{
return latest.getTimestamp() > (previous.getTimestamp() + 30_000) ||
Math.abs(latest.getLatitude() - previous.getLatitude()) > 0.00001 ||
Math.abs(latest.getLongitude() - previous.getLongitude()) > 0.00001;
}
return false;
}
}