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flights3d.html
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<!DOCTYPE html>
<html lang='en'>
<head>
<title>
Flights 3D
</title>
<meta charset='utf-8'>
<meta name='viewport'
content='width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0'>
</head>
<body>
<!--
<script src='http://mrdoob.github.com/three.js/examples/js/Detector.js'
type="text/javascript">
</script><script src='http://mrdoob.github.com/three.js/build/three.min.js'
type="text/javascript">
</script><script src='http://mrdoob.github.com/three.js/examples/js/controls/TrackballControls.js'
type="text/javascript">
</script><script src='http://mrdoob.github.com/three.js/examples/js/libs/stats.min.js'
type="text/javascript">
</script>
-->
<script src='js/Detector.js'></script>
<script src='js/three.min.js'></script>
<script src='js/TrackballControls.js'></script>
<script src='js/stats.min.js'></script>
<script type="text/javascript"
src="js/jquery-2.0.3.js">
</script>
<script type="text/javascript">
if ( ! Detector.webgl ) { Detector.addGetWebGLMessage(); }
var url_base = 'data2';
var csv_files = ['apt1000-ils.csv','apt1000-icao.csv','apt1000-nav.csv'];
var file_num = 0; // 0, 1 or 2
var def_rad = 50;
var curr_file;
var json_url = "http://crossfeed.fgx.ch/flights.json";
var ms_timeout = 1000;
var renderer, scene, camera, controls, light, stats;
var geometry, material, mesh, info;
var cube;
var startTime = new Date();
var data = [];
var pi = Math.PI;
var d2r = Math.PI / 180;
var flights = [];
var flights_added = [];
init();
animate();
function init() {
if ( ! Detector.webgl ) {
renderer = new THREE.CanvasRenderer();
} else {
renderer = new THREE.WebGLRenderer( { antialias: true } );
}
renderer.setSize( window.innerWidth, window.innerHeight );
document.body.appendChild( renderer.domElement );
scene = new THREE.Scene();
camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 1000 );
camera.position.set(-100, 100, 100);
controls = new THREE.TrackballControls( camera, renderer.domElement );
stats = new Stats();
stats.domElement.style.cssText = 'position: absolute; top: 0px; zIndex: 100; ';
document.body.appendChild( stats.domElement );
// User stuff
var css = document.createElement('style')
css.innerHTML = 'body {font: 600 12pt monospace; margin: 0; overflow: hidden; text-align: center; }';
document.body.appendChild( css );
// geometry = new THREE.CubeGeometry( 10, 10, 10 );
geometry = new THREE.SphereGeometry(def_rad, 100, 100);
//material = new THREE.MeshNormalMaterial();
material = new THREE.MeshBasicMaterial( { color: 0x0000ff, transparent: true, opacity: 0.3 } );
cube = new THREE.Mesh( geometry, material );
scene.add( cube );
info = document.createElement( 'div' );
document.body.appendChild( info );
info.style.cssText = 'color: white; margin 0 0 0 100px: auto; position: absolute; top: 0px; width: 100% ';
info.innerHTML = '<p>Open CSV file and display. Takes a little time to load and paint.<br>' +
'<button onclick="doCSVLoad()" >Load CSV<\/button> ' +
'<\/p>';
if (file_num == 0) {
doCSVLoad(); // this small file is very quick
}
}
function doCSVLoad() {
startTime = new Date();
curr_file = csv_files[file_num];
var url = url_base+'/'+curr_file;
loadFileCB(url, callbackCSV);
loadFileCB(json_url,callbackJSON); // start crossfeed
}
function loadFileCB( fname, callback ) {
xmlhttp = new XMLHttpRequest();
xmlhttp.open( 'GET', fname, true );
xmlhttp.onreadystatechange = callback;
xmlhttp.send( null );
}
function callbackCSV() {
if ( (this.readyState == 4) && (this.status == "200") ) {
var dataLines = this.responseText;
dataLines = dataLines.split(/\r\n|\n/);
var dataLength = dataLines.length - 1;
var sep = ',';
data = [];
for ( var i = 1; i < dataLength; i++ ) {
data.push( dataLines[i].split( sep ) );
}
dataLength = data.length;
var elap = getElapsed(startTime);
var d = new Date();
addAirports();
var elap2 = getElapsed(d);
info.innerHTML = '<p>Loaded CSV lines: '+dataLength+' from '+curr_file+'<br>' +
'Load Time: ' + elap + ' Paint Time: ' + elap2 + '<br>' +
//'Samples of the data in memory:<br>' +
//'First: ' + data[0] + '<br>' +
//'Second: ' + data[1] + '<br>' +
//'Random: ' + data[parseInt(Math.random() * dataLength)] + '<br>' +
//'Last: ' + data[ (dataLength - 3) ] +
'<\/p>';
} else {
console.log('waiting for csv load...');
}
}
function addAirports() {
var ap, i, len, lat, lon, lato, lono;
var objects = new THREE.Object3D();
//geometry = new THREE.CubeGeometry( 1, 1, 1);
//geometry = new THREE.CubeGeometry( 0.2, 0.2, 0.2 );
geometry = new THREE.SphereGeometry( 0.2, 10, 10 );
//material = new THREE.MeshNormalMaterial();
material = new THREE.MeshBasicMaterial( { color: 0xffffff, transparent: true, opacity: 0.5 } );
if (file_num == 2) {
// type,lat,lon,feet,freq,rng,bear,id,icao,rwy,"name"
lato = 1;
lono = 2;
} else {
lato = 2;
lono = 3;
}
len = data.length;
for (i = 0; i < len; i++) {
ap = data[i];
cube = new THREE.Mesh( geometry, material );
lat = parseFloat(ap[lato]);
lon = parseFloat(ap[lono]);
cube.position = calcPosition( lat, lon, def_rad );
// cube.ap = ap;
objects.add( cube );
}
scene.add( objects );
}
function addFlights() {
var objs = new THREE.Object3D();
// these should be global - done only once - not each second
var geom = new THREE.SphereGeometry( 0.5, 10, 10 );
var mat = new THREE.MeshBasicMaterial( { color: 0xff0000, transparent: true, opacity: 0.5 } );
var mat2 = new THREE.MeshBasicMaterial( { color: 0x00ff00, transparent: true, opacity: 0.5 } );
var max = flights.length;
var len = flights_added.length;
var i,j,msg;
var fid,lat,lon,alt,hdg,spd,flt,rad,vec,sobj,flt2,fid2,fnd,atc;
var added = 0;
var inscene = 0;
var delcnt = 0;
var failcnt = 0;
for (i = 0; i < max; i++) {
flt = flights[i];
// 0 1 2 3 4 5 6 7 8
// flights.push([fid,lat,lon,alt,hdg,spd,atc,cs,mod]);
fid = flt[0];
lat = flt[1];
lon = flt[2];
alt = flt[3];
hdg = flt[4];
spd = flt[5];
atc = flt[6];
stg = JSON.stringify(fid);
rad = def_rad + (alt / 5000); // hmmm, this should be accordind to some scale
vec = calcPosition( lat, lon, rad );
// how to FIND this object in the scene
sobj = scene.getObjectByName( stg, true );
// decide to update position or add
if (sobj && sobj.name && (sobj.name == stg)) {
plane.position = vec;
plane.flight = flt;
inscene++;
} else {
if (atc)
plane = new THREE.Mesh( geom, mat2 );
else
plane = new THREE.Mesh( geom, mat );
plane.position = vec;
plane.flight = flt;
plane.name = stg;
objs.add( plane );
flights_added.push(flt);
added++;
}
}
if (added) {
scene.add( objs );
}
// Now how to remove a flight
var todelete = [];
for (j = 0; j < len; j++) {
flt2 = flights_added[j];
fid2 = flt2[0];
fnd = 0;
for (i = 0; i < max; i++) {
flt = flights[i];
fid = flt[0];
if (fid2 == fid) {
fnd = 1; // still in list
break;
}
}
if (!fnd) { // ok must DELETE this flight from the scene
stg = JSON.stringify(fid2);
sobj = scene.getObjectByName( stg, true );
// how to DELETE/REMOVE object
if (sobj && sobj.name && (sobj.name == stg)) {
scene.remove(sobj); // does this do it?
delcnt++;
} else {
failcnt++;
}
todelete.push(flt2);
}
}
var dcnt = todelete.length;
for (j = 0; j < dcnt; j++) {
flt2 = todelete[j];
var index = $.inArray(flt2, flights_added);
if (index >= 0) flights_added.splice(index, 1);
}
dcnt = len + added - flights_added.length; // just a debug check sum
if (failcnt || (delcnt != dcnt)) {
msg = 'Of '+max+' flights, added '+added+', inscene '+inscene+', delcnt '+delcnt+' ('+dcnt+'), failed '+failcnt;
console.log(msg); // only show if it looks like an ERROR
}
}
function callbackJSON() {
if ( (this.readyState == 4) && (this.status == "200") ) {
var text = this.responseText;
var data = JSON.parse(text);
var fid,lat,lon,alt,hdg,spd,mod,cs,atc;
flights = [];
// {"fid":1394988249000,"callsign":"CEF4200","lat":45.127233,"lon":-57.716853,"alt_ft":41641,
// "model":"Aircraft/707/Models/707.xml","spd_kts":520,"hdg":71,"dist_nm":775},
$(data.flights).each(function (i) {
fid = parseInt(this.fid,10);
lat = parseFloat(this.lat);
lon = parseFloat(this.lon);
hdg = parseInt(this.hdg);
alt = parseInt(this.alt_ft);
spd = parseInt(this.spd_kts);
cs = this.callsign;
mod = get_model(this.model);
atc = is_atc(cs,mod);
flights.push([fid,lat,lon,alt,hdg,spd,atc,cs,mod]);
});
fid = flights.length;
//console.log("Have "+fid+" flights...");
addFlights();
setTimeout("loadFileCB('"+json_url+"',callbackJSON)", ms_timeout);
}
}
function v(x,y,z){ return new THREE.Vector3(x,y,z); }
function cos(a){return Math.cos(a);}
function sin(a){return Math.sin(a);}
function calcPosition( lat, lon, rad ) {
var clat = cos( lat * d2r );
return v(
rad * clat * cos( pi - lon * d2r),
rad * sin( lat * d2r ),
rad * clat * sin( pi - lon * d2r)
);
}
function animate() {
requestAnimationFrame( animate );
controls.update();
renderer.render( scene, camera );
stats.update();
}
// helpers
// various guesses that it is ATC
function is_atc( callsign, model ) {
if (model == 'OpenRadar') return true;
var mod = model.toUpperCase();
var n = mod.indexOf('ATC');
if (n >= 0) return true;
n = callsign.indexOf('ATC');
if (n >= 0) return true;
return false;
}
// strip .xml extension, and strip '-model'
function strip_extent(txt) {
var n = txt.lastIndexOf('.');
if (n > 0) {
txt = txt.substr(0,n);
n = txt.indexOf('-model'); // like 'A-10-model'
if (n > 0) {
txt = txt.substr(0,n);
} else {
n = txt.indexOf('-jsbsim'); // like 'dr400-180-jsbsim'
if (n > 0) {
txt = txt.substr(0,n);
}
}
}
return txt;
}
// remove path from model name, strip .xml extension, and limit length to 10 letters
function get_model(txt) {
var n = txt.lastIndexOf('/');
if (n > 0) {
txt = strip_extent(txt.substr(n+1));
}
if (txt.length > 10) {
txt = txt.substr(0,10);
}
return txt;
}
function getElapsed(bgn) {
var d = new Date();
var ms = d.valueOf() - bgn.valueOf();
var elap = ms2hhmmss(ms);
return elap;
}
function ms2hhmmss( ms ) {
if (ms < 1000) {
return ''+ms+' ms';
}
var secs = Math.floor( ms / 1000 );
ms -= (secs * 1000);
if (secs < 60) {
var stg = ''+((ms / 1000).toFixed(2));
stg = stg.substr(1); // drop the zero
return ''+secs+stg+' secs';
}
var mins = Math.floor(secs / 60);
secs -= (mins * 60);
if (ms > 500)
secs++;
if (secs >= 60) {
secs -= 60;
mins++;
}
if (mins < 60) {
if (secs < 10)
secs = '0'+secs;
return ''+mins+':'+secs+' mm:ss';
}
var hours = Math.floor(mins / 60);
mins -= (hours * 60);
if (mins < 10)
mins = '0'+mins;
if (secs < 10)
secs = '0'+secs;
return ''+hours+':'+mins+':'+secs+' hh:mm:ss';
}
</script>
</body>
</html>