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package tim.prune.function;
import tim.prune.App;
import tim.prune.GenericFunction;
import tim.prune.data.DataPoint;
import tim.prune.data.UnitSetLibrary;
import tim.prune.gui.profile.SpeedData;
/**
* Function to select an extreme point from the track
*/
public class SelectExtremePoint extends GenericFunction
{
public enum Extreme {HIGHEST, LOWEST, FASTEST}
private final Extreme _extreme;
public SelectExtremePoint(App inApp, Extreme inExtreme) {
super(inApp);
_extreme = inExtreme;
}
@Override
public void begin()
{
if (_extreme == Extreme.HIGHEST || _extreme == Extreme.LOWEST) {
selectHighestOrLowest();
}
else if (_extreme == Extreme.FASTEST) {
selectFastest();
}
else {
throw new IllegalArgumentException("Unexpected extreme: " + _extreme);
}
}
private void selectHighestOrLowest()
{
int bestPointIndex = -1;
double bestValue = 0.0;
for (int i=0; i<_app.getTrackInfo().getTrack().getNumPoints(); i++)
{
DataPoint point = _app.getTrackInfo().getTrack().getPoint(i);
if (point == null || !point.hasAltitude()) {
continue;
}
double currValue = point.getAltitude().getMetricValue();
if (_extreme == Extreme.LOWEST) {
currValue = -currValue;
}
if (bestPointIndex == -1 || currValue > bestValue)
{
bestValue = currValue;
bestPointIndex = i;
}
}
if (bestPointIndex >= 0) {
_app.getTrackInfo().selectPoint(bestPointIndex);
}
}
public void selectFastest()
{
SpeedData speeds = new SpeedData(_app.getTrackInfo().getTrack());
speeds.init(UnitSetLibrary.getMetricUnitSet());
int bestPointIndex = -1;
double maxSpeed = 0.0;
for (int i=0; i<_app.getTrackInfo().getTrack().getNumPoints(); i++)
{
final double speed;
DataPoint point = _app.getTrackInfo().getTrack().getPoint(i);
if (point.hasHSpeed()) {
speed = point.getHSpeed().getValueInMetresPerSec();
}
else if (speeds.hasData(i)) {
speed = speeds.getData(i);
}
else {
continue;
}
if (bestPointIndex == -1 || speed > maxSpeed)
{
maxSpeed = speed;
bestPointIndex = i;
}
}
if (bestPointIndex > -1) {
_app.getTrackInfo().selectPoint(bestPointIndex);
}
}
@Override
public String getNameKey() {
return "menu.point.goto." + _extreme.toString().toLowerCase();
}
}
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