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Google map view enhanced: color by altitude and more.

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This commit is contained in:
antirez 2013-01-16 20:25:28 +01:00
parent 21fc9de47a
commit 03759a3eb0
2 changed files with 22 additions and 10 deletions
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5
dump1090.c
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@ -1872,8 +1872,9 @@ char *aircraftsToJson(int *len) {
if (a->lat != 0 && a->lon != 0) {
l = snprintf(p,buflen,
"{\"hex\":\"%s\", \"lat\":%f, \"lon\":%f, \"track\":%d},\n",
a->hexaddr, a->lat, a->lon, a->track);
"{\"hex\":\"%s\", \"flight\":\"%s\", \"lat\":%f, "
"\"lon\":%f, \"altitude\":%d, \"track\":%d},\n",
a->hexaddr, a->flight, a->lat, a->lon, a->altitude, a->track);
p += l; buflen -= l;
/* Resize if needed. */
if (buflen < 256) {

27
gmap.html
View file

@ -15,17 +15,23 @@
</script>
<script type="text/javascript">
Map=null;
CenterLat=50.0;
CenterLat=45.0;
CenterLon=9.0;
Planes={};
function getIconForPlane(plane) {
var r = 255, g = 255, b = 0;
var maxalt = 40000; /* Max altitude in the average case */
var invalt = maxalt-plane.altitude;
if (invalt < 0) invalt = 0;
b = parseInt(255/maxalt*invalt);
return {
strokeWeight: 2,
strokeWeight: 1,
path: google.maps.SymbolPath.FORWARD_CLOSED_ARROW,
scale: 5,
fillColor: 'yellow',
fillOpacity: 0.8,
fillColor: 'rgb('+r+','+g+','+b+')',
fillOpacity: 0.9,
rotation: plane.track
};
}
@ -35,25 +41,30 @@
var stillhere = {}
for (var j=0; j < data.length; j++) {
var plane = data[j];
var marker = null;
stillhere[plane.hex] = true;
plane.flight = $.trim(plane.flight);
if (Planes[plane.hex]) {
var myplane = Planes[plane.hex];
var marker = myplane.marker;
marker = myplane.marker;
var icon = marker.getIcon();
var newpos = new google.maps.LatLng(plane.lat, plane.lon);
marker.setPosition(newpos);
marker.setIcon(getIconForPlane(plane));
} else {
var marker = new google.maps.Marker({
marker = new google.maps.Marker({
position: new google.maps.LatLng(plane.lat, plane.lon),
map: Map,
title: plane.hex,
icon: getIconForPlane(plane)
});
plane.marker = marker;
Planes[plane.hex] = plane;
}
if (plane.flight.length == 0)
marker.setTitle(plane.hex)
else
marker.setTitle(plane.flight+' ('+plane.hex+')')
}
/* Remove idle planes. */
@ -70,7 +81,7 @@
function initialize() {
var mapOptions = {
center: new google.maps.LatLng(CenterLat, CenterLon),
zoom: 8,
zoom: 5,
mapTypeId: google.maps.MapTypeId.ROADMAP
};
Map = new google.maps.Map(document.getElementById("map_canvas"), mapOptions);