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Code Issues Packages Projects Releases Wiki Activity

IntervalsFragment doesn't use TrackDataHub anymore. This improve intervals performance. Fixes #808.

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This commit is contained in:
Román Martínez
2021-06-03 17:16:03 +02:00
parent 4c68592a0c
commit 24e18347a6
12 changed files with 324 additions and 237 deletions
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src/main/java/de/dennisguse/opentracks/viewmodels/IntervalStatistics.java
+45 -18
View File
@@ -1,6 +1,5 @@
package de.dennisguse.opentracks.viewmodels;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import java.time.Duration;
@@ -10,51 +9,72 @@ import java.util.List;
import de.dennisguse.opentracks.content.data.Distance;
import de.dennisguse.opentracks.content.data.Speed;
import de.dennisguse.opentracks.content.data.TrackPoint;
import de.dennisguse.opentracks.content.provider.TrackPointIterator;
import de.dennisguse.opentracks.stats.TrackStatistics;
import de.dennisguse.opentracks.stats.TrackStatisticsUpdater;
public class IntervalStatistics {
private final List<Interval> intervalList = new ArrayList<>();
private TrackStatisticsUpdater trackStatisticsUpdater = new TrackStatisticsUpdater();
private final List<Interval> intervalList;
private final Distance distanceInterval;
private final Distance minGPSDistance;
private Interval interval, lastInterval;
/**
* @param trackPoints the list of TrackPoint.
* @param distanceInterval distance of every interval.
* @param minGPSDistance the setting value for GPS distance.
*/
public IntervalStatistics(@NonNull List<TrackPoint> trackPoints, Distance distanceInterval, Distance minGPSDistance) {
intervalList.clear();
public IntervalStatistics(Distance distanceInterval, Distance minGPSDistance) {
this.distanceInterval = distanceInterval;
this.minGPSDistance = minGPSDistance;
if (trackPoints.size() == 0) {
return;
}
interval = new Interval();
lastInterval = new Interval();
intervalList = new ArrayList<>();
intervalList.add(lastInterval);
}
TrackStatisticsUpdater trackStatisticsUpdater = new TrackStatisticsUpdater();
Interval interval = new Interval();
/**
* Complete intervals with the tracks points from the iterator.
*
* @param trackPointIterator
* @return the last track point's id used to compute the intervals.
*/
public TrackPoint.Id addTrackPoints(TrackPointIterator trackPointIterator) {
boolean newIntervalAdded = false;
TrackPoint trackPoint = null;
for (TrackPoint trackPoint : trackPoints) {
while (trackPointIterator.hasNext()) {
trackPoint = trackPointIterator.next();
trackStatisticsUpdater.addTrackPoint(trackPoint, minGPSDistance);
if (trackStatisticsUpdater.getTrackStatistics().getTotalDistance().plus(interval.distance).greaterOrEqualThan(distanceInterval)) {
interval.update(trackStatisticsUpdater.getTrackStatistics(), trackPoint);
interval.add(trackStatisticsUpdater.getTrackStatistics(), trackPoint);
double adjustFactor = distanceInterval.dividedBy(interval.distance);
Interval adjustedInterval = new Interval(interval);
adjustedInterval.adjust(adjustFactor);
intervalList.add(adjustedInterval);
intervalList.set(intervalList.size() - 1, adjustedInterval);
interval = new Interval(interval.distance.minus(adjustedInterval.distance), interval.time.minus(adjustedInterval.time));
trackStatisticsUpdater = new TrackStatisticsUpdater();
trackStatisticsUpdater.addTrackPoint(trackPoint, minGPSDistance);
lastInterval = new Interval(interval);
intervalList.add(lastInterval);
newIntervalAdded = true;
}
}
if (trackStatisticsUpdater.getTrackStatistics().getTotalDistance().toM() >= 1d) {
interval.update(trackStatisticsUpdater.getTrackStatistics(), null);
intervalList.add(interval);
if (newIntervalAdded) {
lastInterval.add(trackStatisticsUpdater.getTrackStatistics(), null);
} else {
lastInterval.set(trackStatisticsUpdater.getTrackStatistics());
}
return trackPoint != null ? trackPoint.getId() : null;
}
public List<Interval> getIntervalList() {
@@ -110,7 +130,7 @@ public class IntervalStatistics {
loss_m = i.loss_m;
}
public void adjust(double adjustFactor) {
private void adjust(double adjustFactor) {
distance = distance.multipliedBy(adjustFactor);
time = Duration.ofMillis((long) (time.toMillis() * adjustFactor));
}
@@ -131,7 +151,7 @@ public class IntervalStatistics {
return loss_m;
}
public void update(TrackStatistics trackStatistics, @Nullable TrackPoint lastTrackPoint) {
private void add(TrackStatistics trackStatistics, @Nullable TrackPoint lastTrackPoint) {
distance = distance.plus(trackStatistics.getTotalDistance());
time = time.plus(trackStatistics.getTotalTime());
gain_m = trackStatistics.hasTotalAltitudeGain() ? trackStatistics.getTotalAltitudeGain() : gain_m;
@@ -141,5 +161,12 @@ public class IntervalStatistics {
loss_m = lastTrackPoint.hasAltitudeLoss() ? loss_m - lastTrackPoint.getAltitudeLoss() : loss_m;
}
}
private void set(TrackStatistics trackStatistics) {
distance = trackStatistics.getTotalDistance();
time = trackStatistics.getTotalTime();
gain_m = trackStatistics.hasTotalAltitudeGain() ? trackStatistics.getTotalAltitudeGain() : gain_m;
loss_m = trackStatistics.hasTotalAltitudeLoss() ? trackStatistics.getTotalAltitudeLoss() : loss_m;
}
}
}