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Basic support for terrain-limit rings based on data from heywhatsthat.com

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Oliver Jowett 2015-12-21 17:42:05 +00:00
parent 779c66e2e9
commit 75ddd87408
1 changed files with 41 additions and 0 deletions
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41
public_html/script.js
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@ -487,6 +487,47 @@ function initialize_map() {
}
}
}
// Add terrain-limit rings. To enable this:
//
// create a panorama for your receiver location on heywhatsthat.com
//
// note the "view" value from the URL at the top of the panorama
// i.e. the XXXX in http://www.heywhatsthat.com/?view=XXXX
//
// fetch a json file from the API for the altitudes you want to see:
//
// wget -O /usr/share/dump1090-mutability/html/upintheair.json \
// 'http://www.heywhatsthat.com/api/upintheair.json?view=XXXX&refraction=0.25&alts=3048,9144'
//
// NB: altitudes are in _meters_, you can specify a list of altitudes
// kick off an ajax request that will add the rings when it's done
var request = $.ajax({ url: 'upintheair.json',
timeout: 5000,
cache: true,
dataType: 'json' });
request.done(function(data) {
for (var i = 0; i < data.rings.length; ++i) {
var points = data.rings[i].points;
var ring = [];
for (var j = 0; j < points.length; ++j) {
ring.push(new google.maps.LatLng(points[j][0], points[j][1]));
}
ring.push(ring[0]);
new google.maps.Polyline({
path: ring,
strokeOpacity: 1.0,
strokeColor: '#000000',
strokeWeight: 1,
map: GoogleMap });
}
});
request.fail(function(jqxhr, status, error) {
// no rings available, do nothing
});
}
// This looks for planes to reap out of the master Planes variable