Java Geo.distance方法代码示例

import com.androzic.util.Geo; //导入方法依赖的package包/类
public int navRouteWaypointETE(int index)
{
	if (index == 0)
		return 0;
	int ete = Integer.MAX_VALUE;
	if (avvmg > 0)
	{
		int i = navDirection == DIRECTION_FORWARD ? index : navRoute.length() - index - 1;
		int j = i - navDirection;
		MapObject w1 = navRoute.getWaypoint(i);
		MapObject w2 = navRoute.getWaypoint(j);
		double distance = Geo.distance(w1.latitude, w1.longitude, w2.latitude, w2.longitude);
		ete = (int) Math.round(distance / avvmg / 60);
	}
	return ete;
}
 

import com.androzic.util.Geo; //导入方法依赖的package包/类
public void addPoint(boolean continous, double lat, double lon, double elev, double speed, double bearing, double accuracy, long time)
{
	if (lastTrackPoint != null)
	{
		distance += Geo.distance(lastTrackPoint.latitude, lastTrackPoint.longitude, lat, lon);
	}
	lastTrackPoint = new TrackPoint(continous, lat, lon, elev, speed, bearing, accuracy, time);
	boolean needNewSegment = false;
	synchronized (lastSegment)
	{
		needNewSegment = !continous || lastSegment.trackpoints.size() > SEGMENT_CAPACITY;
	}
	if (needNewSegment)
	{
		synchronized (this)
		{
			lastSegment = new TrackSegment();
			lastSegment.independent = !continous;
			segments.add(lastSegment);
		}
	}
	synchronized (lastSegment)
	{
		if (maxPoints > 0 && lastSegment.trackpoints.size() > maxPoints)
		{
			// TODO add correct cleaning if preferences changed
			TrackPoint fp = lastSegment.trackpoints.get(0);
			TrackPoint sp = lastSegment.trackpoints.get(1);
			distance -= Geo.distance(fp.latitude, fp.longitude, sp.latitude, sp.longitude);
			lastSegment.trackpoints.remove(0);
		}
		lastSegment.trackpoints.add(lastTrackPoint);
	}
	lastSegment.bounds.extend(lastTrackPoint.latitude, lastTrackPoint.longitude);
}
 

import com.androzic.util.Geo; //导入方法依赖的package包/类
public void addWaypoint(Waypoint waypoint)
{
	if (lastWaypoint != null)
	{
		distance += Geo.distance(lastWaypoint.latitude, lastWaypoint.longitude, waypoint.latitude, waypoint.longitude);
	}
	lastWaypoint = waypoint;
	waypoints.add(lastWaypoint);		
}
 

import com.androzic.util.Geo; //导入方法依赖的package包/类
public void insertWaypoint(Waypoint waypoint)
{
	if (waypoints.size() < 2)
	{
		addWaypoint(waypoint);
		return;
	}
	int after = waypoints.size() - 1;
	double xtk = Double.MAX_VALUE;
	synchronized (waypoints)
	{
		for (int i = 0; i < waypoints.size()-1; i++)
		{
			double distance = Geo.distance(waypoint.latitude, waypoint.longitude, waypoints.get(i+1).latitude, waypoints.get(i+1).longitude);
			double bearing1 = Geo.bearing(waypoint.latitude, waypoint.longitude, waypoints.get(i+1).latitude, waypoints.get(i+1).longitude);
			double dtk1 = Geo.bearing(waypoints.get(i).latitude, waypoints.get(i).longitude, waypoints.get(i+1).latitude, waypoints.get(i+1).longitude);
			double cxtk1 = Math.abs(Geo.xtk(distance, dtk1, bearing1));
			double bearing2 = Geo.bearing(waypoint.latitude, waypoint.longitude, waypoints.get(i).latitude, waypoints.get(i).longitude);
			double dtk2 = Geo.bearing(waypoints.get(i+1).latitude, waypoints.get(i+1).longitude, waypoints.get(i).latitude, waypoints.get(i).longitude);
			double cxtk2 = Math.abs(Geo.xtk(distance, dtk2, bearing2));
			
			if (cxtk2 != Double.POSITIVE_INFINITY && cxtk1 < xtk)
			{
				xtk = cxtk1;
				after = i;
			}
		}
	}
	waypoints.add(after+1, waypoint);
	lastWaypoint = waypoints.get(waypoints.size()-1);
	distance = distanceBetween(0, waypoints.size()-1);
}
 

import com.androzic.util.Geo; //导入方法依赖的package包/类
public double distanceBetween(int first, int last)
{
	double dist = 0.0;
	synchronized (waypoints)
	{
		for (int i = first; i < last; i++)
		{
			dist += Geo.distance(waypoints.get(i).latitude, waypoints.get(i).longitude, waypoints.get(i+1).latitude, waypoints.get(i+1).longitude);
		}
	}
	return dist;
}
 

import com.androzic.util.Geo; //导入方法依赖的package包/类
@Override
public void bindView(View view, Context context, Cursor cursor)
{
	Log.w(TAG, ">>>> bindView");
	
	Tracker tracker = dataAccess.getFullInfoTracker(cursor);
	TextView t = (TextView) view.findViewById(R.id.name);
	t.setText(tracker.name);
	Application application = Application.getApplication();
	Bitmap b = application.getMarker(tracker.marker);
	if (b != null)
	{
		Drawable drawable = new BitmapDrawable(getResources(), b);
		drawable.setBounds(0, 0, b.getWidth(), b.getHeight());
		t.setCompoundDrawables(drawable, null, null, null);
		t.setCompoundDrawablePadding(b.getWidth() / 3);
	}
	else
	{
		t.setCompoundDrawables(null, null, null, null);
	}
	t = (TextView) view.findViewById(R.id.sender);
	t.setText(tracker.sender);
	t = (TextView) view.findViewById(R.id.imei);
	t.setText(tracker.imei);
	String coordinates = StringFormatter.coordinates(coordinatesFormat, " ", tracker.latitude, tracker.longitude);
	t = (TextView) view.findViewById(R.id.coordinates);
	t.setText(coordinates);
	String speed = String.valueOf(Math.round(tracker.speed * speedFactor)) + " " + speedAbbr;
	t = (TextView) view.findViewById(R.id.speed);
	t.setText(speed);
	String distance = "";
	synchronized (currentLocation)
	{
		if (!"fake".equals(currentLocation.getProvider()))
		{
			double dist = Geo.distance(tracker.latitude, tracker.longitude, currentLocation.getLatitude(), currentLocation.getLongitude());
			double bearing = Geo.bearing(currentLocation.getLatitude(), currentLocation.getLongitude(), tracker.latitude, tracker.longitude);
			distance = StringFormatter.distanceH(dist) + " " + StringFormatter.bearingSimpleH(bearing);
		}
	}
	t = (TextView) view.findViewById(R.id.distance);
	t.setText(distance);
	String battery = "";
	if (tracker.battery == Integer.MAX_VALUE)
		battery = getString(R.string.full);
	if (tracker.battery == Integer.MIN_VALUE)
		battery = getString(R.string.low);
	if (tracker.battery >= 0 && tracker.battery <= 100)
		battery = String.valueOf(tracker.battery) + "%";
	t = (TextView) view.findViewById(R.id.battery);
	if (! "".equals(battery))
		t.setText(String.format("%s: %s", getString(R.string.battery), battery));
	else
		t.setText("");
	String signal = "";
	if (tracker.signal == Integer.MAX_VALUE)
		signal = getString(R.string.full);
	if (tracker.signal == Integer.MIN_VALUE)
		signal = getString(R.string.low);
	if (tracker.signal >= 0 && tracker.signal <= 100)
		signal = String.valueOf(tracker.signal) + "%";
	t = (TextView) view.findViewById(R.id.signal);
	if (! "".equals(signal))
		t.setText(String.format("%s: %s", getString(R.string.signal), signal));
	else
		t.setText("");
	Calendar calendar = Calendar.getInstance();
	calendar.setTimeInMillis(tracker.time);
	Date date = calendar.getTime();
	String modified = DateFormat.getDateFormat(TrackerList.this).format(date) + " " + DateFormat.getTimeFormat(TrackerList.this).format(date);
	t = (TextView) view.findViewById(R.id.modified);
	t.setText(modified);
}