var locationDetails;
/*
Moves the camera to a given location
@param lng Longitude position of the location
@param lat Latitude position of the location
@param alt Alititude of position above see level
@param head Heading/direction the camrera should point. Measured in deg from Due North
@param tlt Angle of tilt on the camera. Measured clockwise from 90 deg horizontal to plane
@param range Distance of camera from position
*/
function showLocation( la )
{
//close open balloon
ge.setBalloon(null);
/*
We need to loop through and delete locations that are not the current
locations as without this duplicates are created
*/
var features = ge.getGlobe().getFeatures().getChildNodes();
for(var i = 0; i < features.getLength(); i++)
{
var feat = features.item(i);
if (feat.getType() == 'KmlPlacemark')
{
//alert(i + ' ' + la.position);
if (i != la.position)
{
//alert(feat.getName() + ' ' + feat.getType() + ' ' + la.position + ' ' + i);
ge.getFeatures().removeChild(features.item(i));
}
}
}
// Create LookAt instance in the GEPlugin Instance
var LookAtInstance = ge.createLookAt('');
// Set the GeoPosition properties too change the View pane too
LookAtInstance.set(la.latitude, la.longitude, la.altitude, ge.ALTITUDE_RELATIVE_TO_GROUND, la.heading, la.tilt, la.range);
// Get the current view in the GEPlugin instance and set the View
ge.getView().setAbstractView(LookAtInstance);
// la.set(37.77976, -122.418307, 25, ge.ALTITUDE_RELATIVE_TO_GROUND,
// 180, 60, 500);
//alert( la.latitude + " " + la.longitude);
var placemark = ge.createPlacemark('');
placemark.setName( la.name );
placemark.setDescription( la.description );
// Placemark/Point
var point = ge.createPoint('');
var lookAt = ge.getView().copyAsLookAt( ge.ALTITUDE_RELATIVE_TO_GROUND );
point.setLatitude( la.latitude );
point.setLongitude( la.longitude );
placemark.setGeometry(point);
// style stuff
// get the style kml
var features = ge.getGlobe().getFeatures().getChildNodes();
var styleKml = features.item(0);
// Placemark/Style
var style = ge.createStyle('');
placemark.setStyleUrl(la.styleUrl);
// Placemark/Style/IconStyle
var icon = ge.createIcon('');
style.getIconStyle().setIcon(icon);
// add the placemark to Earth
ge.getFeatures().appendChild( placemark );
google.earth.addEventListener(placemark, 'click', function(event) {
// Prevent the default balloon from appearing
event.preventDefault();
// create a new html balloon
var balloon = ge.createHtmlStringBalloon('');
// pass in our description
locationDetails = '' + placemark.getDescription() + '
';
balloon.setContentString(locationDetails);
balloon.setFeature(placemark); // optional
balloon.setMaxWidth(450);
ge.setBalloon(balloon);
$('#location_box').pngFix();
// wrap alerts in API callbacks and event handlers
// in a setTimeout to prevent deadlock in some browsers
setTimeout(function() {
}, 0);
});
}
/*
changes the screen overlay for a title
@param lng Longitude position of the location
@param lat Latitude position of the location
@param alt Alititude of position above see level
@param head Heading/direction the camrera should point. Measured in deg from Due North
@param tlt Angle of tilt on the camera. Measured clockwise from 90 deg horizontal to plane
@param range Distance of camera from position
*/
function changeTitle( f )
{
var features = ge.getGlobe().getFeatures().getChildNodes();
for(var i = 0; i < features.getLength(); i++)
{
var feat = features.item(i);
ge.getFeatures().removeChild(feat);
//alert(feat.getType() + '; ' + feat.getName());
}
// create a new overlay
var screenOverlay = ge.createScreenOverlay('');
screenOverlay.setVisibility(false);
screenOverlay.setIcon(ge.createIcon(''));
screenOverlay.getIcon().setHref(f.iconHref);
var screenXY = screenOverlay.getScreenXY();
screenXY.setXUnits(GetUnits(ge, f.screenXUnits));
screenXY.setYUnits(GetUnits(ge, f.screenYUnits));
screenXY.setX(f.screenX);
screenXY.setY(f.screenY);
var overlayXY = screenOverlay.getOverlayXY();
overlayXY.setXUnits(GetUnits(ge, f.overlayXUnits));
overlayXY.setYUnits(GetUnits(ge, f.overlayYUnits));
overlayXY.setX(f.overlayX);
overlayXY.setY(f.overlayY);
var rotationXY = screenOverlay.getRotationXY();
rotationXY.setXUnits(GetUnits(ge, f.rotationXUnits));
rotationXY.setYUnits(GetUnits(ge, f.rotationYUnits));
rotationXY.setX(f.rotationX);
rotationXY.setY(f.rotationY);
screenOverlay.setVisibility(true);
ge.getFeatures().appendChild(screenOverlay);
}
/**
* GetUnits()
*
* passes back a unit constant
*
* @author Neil Young neil.young@substance001.com
* @version 0.9
* @todo ???
*
* @params object ge (Google Earth plugin)
* @params string unit
*
*/
function GetUnits(ge, stringUnits)
{
switch(stringUnits)
{
case 'fraction':
return ge.UNITS_FRACTION;
break;
case 'pixels':
return ge.UNITS_PIXELS;
break;
case 'insetpixels':
return ge.UNITS_INSETPIXELS;
break;
default:
return false;
break;
}
}
/*
Triggered once the KML is loaded into the GEPlugin instance
*/
function finished(object)
{
/*if (!object) {
alert('bad or NULL kml');
return;
}
ge.getFeatures().appendChild(object);
var la = ge.createLookAt('');
la.set(37.77976, -122.418307, 25, ge.ALTITUDE_RELATIVE_TO_GROUND,
180, 60, 500);
ge.getView().setAbstractView(la); */
}
function loadSomeKML()
{
var url = 'http://sketchup.google.com/' +
'3dwarehouse/download?mid=28b27372e2016cca82bddec656c63017&rtyp=k2';
google.earth.fetchKml(ge, url, finished);
}
/**
* GetUnits()
*
* passes back a unit constant
*
* @author Neil Young neil.young@substance001.com
* @version 0.9
* @todo ???
*
* @params string title (video title)
* @params string url (YouTube video embed url)
*
*/
function WatchVideo(title, url)
{
//alert(locationDetails);
// create a new html balloon
//var balloon = ge.createHtmlStringBalloon('');
// pass in our description
/*balloon.setContentString('' + title + '
');*/
$('#location_box').html('' + title + '
");
$('#location_box').pngFix();
//balloon.setMaxWidth(450);
//ge.setBalloon(balloon);
// wrap alerts in API callbacks and event handlers
// in a setTimeout to prevent deadlock in some browsers
//setTimeout(function() {
//}, 0);
}