earth.html

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  <head>
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  <!-- <head> -->
<!-- QGroundControl -->
    <title>QGroundControl Google Earth View</title>
    <!-- *** Replace the key below below with your own API key, available at http://code.google.com/apis/maps/signup.html *** -->
    <script  type="text/javascript" src="http://www.google.com/jsapi?key=ABQIAAAAwbkbZLyhsmTCWXbTcjbgbRSzHs7K5SvaUdm8ua-Xxy_-2dYwMxQMhnagaawTo7L1FE1-amhuQxIlXw"></script>
    <script  type="text/javascript">
google.load("earth", "1", { 'language': 'en'});

var ge = null;
var initialized = false;
var currAircraft = 220;
var followEnabled = false;
var currLat = 47.3769;
var currLon = 8.549444;
var currAlt = 470;
var currFollowHeading = 0.0;

var homeLat = 0;
var homeLon = 0;
var homeAlt = 0;
var homeViewRange = 500;
var homeLocation = null;
var homeGroundLevel = 0;

var currViewRange = 3.0;	///<< The current viewing range from this position (in meters)
var currTilt = 40.0;		///<< The tilt angle (in degrees)
var currFollowTilt = 40.0;
var currView = null;

var M_PI = 3.14159265;


var planeOrient;
var planeLoc;

var aircraft = [];
var attitudes = [];
var locations = [];
var trails = [];

// Aircraft class


function isInitialized()
{
	return initialized;
}


function init() {
	google.earth.createInstance("map3d", initCallback, failureCallback);
}


function setCurrAircraft(id)
{
	currAircraft = id;
}

function setGCSHome(lat, lon, alt)
{
	homeLat = lat;
	homeLon = lon;
	homeAlt = alt;
	
	
	var placemark = ge.createPlacemark(''); 
	    var icon = ge.createIcon(''); 
	    icon.setHref('http://google-maps-icons.googlecode.com/files/blackH.png'); 
	    var style = ge.createStyle(''); 
	    style.getIconStyle().setIcon(icon); 
	    //style.getIconStyle().setScale(0.5); 
	    placemark.setStyleSelector(style);  

	    // Set the placemark's location.   
	    homeLocation = ge.createPoint(''); 
	    homeLocation.setLatitude(lat); 
	    homeLocation.setLongitude(lon);
	    homeLocation.setAltitude(alt); 
	    placemark.setGeometry(homeLocation);  

	    // Add the placemark to Earth. 
	    ge.getFeatures().appendChild(placemark); 

	    homeGroundLevel = ge.getGlobe().getGroundAltitude(lat,lon);
	    if (homeGroundLevel == 0)
	    {
		    homeGroundLevel = alt;
	    }
}

function createAircraft(id, type, color)
{
console.debug("Aircraft created");
	      var planePlacemark = ge.createPlacemark('');
          planePlacemark.setName('aircraft');
          var planeModel = ge.createModel('');
          ge.getFeatures().appendChild(planePlacemark);
          var planeLoc = ge.createLocation('');
          planeModel.setLocation(planeLoc);
          var planeLink = ge.createLink('');
          var planeOrient = ge.createOrientation(''); 
          planeModel.setOrientation(planeOrient); 

          planeLink.setHref('http://qgroundcontrol.org/_media/users/models/multiplex-twinstar.dae');
          planeModel.setLink(planeLink);
          planeModel.setAltitudeMode (ge.ALTITUDE_ABSOLUTE); 

          planeLoc.setLatitude(currLat);
          planeLoc.setLongitude(currLon);
          planeLoc.setAltitude(currAlt);

          planePlacemark.setGeometry(planeModel);
          
          // Write into global structure
          aircraft[id] = planePlacemark;
          attitudes[id] = planeOrient;
          locations[id] = planeLoc;
          
          createTrail(id, color);
          
          console.debug("Aircraft created");
}

function createTrail(id, color)
{
// Create the placemark
var lineStringPlacemark = ge.createPlacemark('');

// Create the LineString; set it to extend down to the ground
// and set the altitude mode
trails[id] = ge.createLineString('');
lineStringPlacemark.setGeometry(trails[id]);
trails[id].setExtrude(true);
lineString.setAltitudeMode(ge.ALTITUDE_ABSOLUTE);

// Add LineString points
//lineString.getCoordinates().pushLatLngAlt(48.754, -121.835, 700);

// Create a style and set width and color of line
lineStringPlacemark.setStyleSelector(ge.createStyle(''));
var lineStyle = lineStringPlacemark.getStyleSelector().getLineStyle();
lineStyle.setWidth(5);
lineStyle.getColor().set('99bbaaff');
//lineStyle.getColor().set(color);  // aabbggrr format

// Add the feature to Earth
ge.getFeatures().appendChild(lineStringPlacemark);
}

function addTrailPosition(id, lat, lon, alt)
{
	//trails[id].getCoordinates().pushLatLngAlt(lat, lon, alt);
}

function initCallback(object)
{
  ge = object;
  ge.getWindow().setVisibility(true);
          ge.getOptions().setStatusBarVisibility(true); 
        ge.getOptions().setScaleLegendVisibility(true);
        ge.getOptions().setFlyToSpeed(ge.SPEED_TELEPORT); 
        ge.getNavigationControl().setVisibility(ge.VISIBILITY_AUTO);
        
        ge.getLayerRoot().enableLayerById(ge.LAYER_TERRAIN, true); 
        ge.getLayerRoot().enableLayerById(ge.LAYER_BUILDINGS, true); 
        ge.getLayerRoot().enableLayerById(ge.LAYER_BORDERS, true); 
        ge.getLayerRoot().enableLayerById(ge.LAYER_TREES, true);
        
        // Now after the Google Earth initialization, initialize the GCS view
        //setGCSHome(currLat, currLon, currAlt);
        
        
        // Create the first aircraft model
        	// Load 3D model
	      var planePlacemark = ge.createPlacemark('');
          planePlacemark.setName('aircraft');
          planeModel = ge.createModel('');
          ge.getFeatures().appendChild(planePlacemark);
          planeLoc = ge.createLocation('');
          planeModel.setLocation(planeLoc);
          planeLink = ge.createLink('');
          planeOrient = ge.createOrientation(''); 
          planeModel.setOrientation(planeOrient); 

          planeLink.setHref('http://qgroundcontrol.org/_media/users/models/multiplex-twinstar.dae');
          planeModel.setLink(planeLink);
          planeModel.setAltitudeMode (ge.ALTITUDE_ABSOLUTE); 

          planeLoc.setLatitude(currLat);
          planeLoc.setLongitude(currLon);
          planeLoc.setAltitude(currAlt);

          planePlacemark.setGeometry(planeModel);
          
          //setAircraftPositionAttitude(220, 47.3772, currLon, currAlt+50, 20, 15, 50);
          //enableFollowing(true);
          updateFollowAircraft();
        initialized = true;
        
        
}

function setAircraftPositionAttitude(id, lat, lon, alt, roll, pitch, yaw)
{
	if (id == currAircraft)
	{
		currLat = lat;
		currLon = lon;
		currAlt = alt;
		currFollowHeading = ((yaw/M_PI)+1.0)*360.0;
	}
	
	// FIXME Currently invalid conversion from right-handed z-down to z-up frame
	planeOrient.setRoll(((roll/M_PI)+1.0)*360.0);
	planeOrient.setTilt(((pitch/M_PI)+1.0)*360.0);
	planeOrient.setHeading(((yaw/M_PI)+1.0)*360.0);
        
        
    planeLoc.setLatitude(lat);
    planeLoc.setLongitude(lon);
    planeLoc.setAltitude(alt);
	
}

function goHome()
{
	var currView = ge.getView().copyAsLookAt(ge.ALTITUDE_ABSOLUTE);
	currView.setLatitude(homeLat);
	currView.setLongitude(homeLon);
	currView.setAltitude(homeAlt);
	currView.setRange(homeViewRange);
	currView.setTilt(currTilt);
	ge.getView().setAbstractView(currView);
}

function setCurrentAircraft(id)
{
	currAircraft = id;
}

function updateFollowAircraft()
{
	currView = ge.getView().copyAsLookAt(ge.ALTITUDE_ABSOLUTE);
	currView.setLatitude(currLat);
	currView.setLongitude(currLon);
	currView.setAltitude(currAlt);
	currView.setRange(currViewRange);
	currView.setTilt(currFollowTilt);
	currView.setHeading(currFollowHeading-90.0);
	ge.getView().setAbstractView(currView);
}

function failureCallback(object)
{
}
</script>


    <style type="text/css">
    html, body {
      margin: 0;
      width: 100%;
      height: 100%;
    }
    </style>
  </head>
  <body onload='init()' id='body'>
    <center>
      <div id='map3d' style='margin: 0; spacing: 0; height: 100%; width: 100%'></div>
    </center>
  </body>
</html>