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sky3d.html
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<!DOCTYPE html>
<!--
Starry Sky 3D.
It uses WebGL rendering by Three.js framework.
View stars, constellations, planets, sattelites bodies and orbits in motion.
egax@bk.ru, 2014-23.
-->
<html lang="ru">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Звезды 3d / Canvas+WebGL векторная карта</title>
<meta name="description" content="Звездное небо 3D WebGL, Земля из космоса 3D, созвездия, орбиты космических аппаратов">
<meta name="keywords" content="Звездное небо 3D, звезды, созвездия, планеты, спутники Земли, Starry Sky 3D, webgl, stars, planets, constellations, sattelites">
<link rel="icon" href="img/fav.svg" type="image/svg+xml">
<link rel="stylesheet" href="css/style.css">
<style>html,body,table{overflow:hidden;margin:0;padding:0;width:100%;height:100%}</style>
<script src="/static/js/metrics.js" data-floor="1"></script>
</head>
<body>
<script src="js/data/stars.js"></script>
<script src="js/data/constellations_lines.js"></script>
<script src="js/data/tledata.js"></script>
<script src="js/alg/starry.js"></script>
<script src="js/3rdparty/satellite.js"></script>
<script src="js/3rdparty/three.js/Detector.js"></script>
<script src="js/3rdparty/three.js/three.min.js"></script>
<script src="js/3rdparty/three.js/fonts/helvetiker_regular.typeface.js"></script>
<script src="js/3rdparty/three.js/js/controls/OrbitControls.js"></script>
<script>
function initMap() {
// layers
var mopt = {
cntlines: {text: 'Созвездия', fg: 0xe6e6c8, opacity: 0.3, labelcolor: 0x00c800},
stars: {text: 'Звезды', bg: 0xffffff, labelcolor: 0x8282b4},
sun: {text: 'Солнце', bg: 0xe8c800, labelcolor: 0xffff00},
moon: {text: 'Луна', bg: 0xd8d8d8, fg: 0x236e77, opacity: 0.8, labelcolor: 0xc8c8c8},
planets: {text: 'Планеты', bg: 0xffc8c8, fg: 0x323c96, opacity: 0.8, labelcolor: 0xff9b80},
earth: {text: 'Земля', bg: 0xffc8c8, fg: 0xc86400, opacity: 0.8},
meridians: {text: 'Коорд.сетка', fg: 0x8a8a8a, opacity: 0.8},
sattrac: {text: 'Орбиты КА', bg: 0xffbc00, fg: 0xffbc00, opacity: 0.5}
};
var radius = 6378.136, // ea radius
ae = 149597870.691, // a.e
eaGm = 398600, // earth gravity const
sunGm = 132712439940, // sun gravity const
eaGmf = Math.pow(Math.sqrt(eaGm)/(2 * Math.PI), 2.0/3.0),
sunGmf = Math.pow(Math.sqrt(sunGm)/(2 * Math.PI), 2.0/3.0);
var moonDist = 384467; // km
var planetsDist = {
Mercury: 0.38,
Venus: 0.72,
Mars: 1.52,
Jupiter: 5.20,
Saturn: 9.54,
Uranus: 19.22,
Neptune: 30.06
};
var eaScale = 1.006;
var sunScale = 109;
var moonScale = 0.273; // ea radii
var planetsScale = {
Mercury: 0.382,
Venus: 0.949,
Mars: 0.53,
Jupiter: 11.2,
Saturn: 9.41,
Uranus: 3.98,
Neptune: 3.81
};
var planetsColors = {
Mercury: 0xffffff, // white
Venus: 0xffc8c8, // light pink
Mars: 0xdd0000, // red
Jupiter: 0xaabbcc, // blue
Saturn: 0x009900, // green
Uranus: 0x49931d, // light green
Neptune: 0xdd00dd // pink
};
var satColors = {
ISS: 0x786464, // space stations
GEO: 0x787864, // geostationary
GLONASS: 0x646478, // glonass nav
GPS: 0x647864 // gps nav
};
var satRadius = 50;
// list sat
var msat = {};
var render = function() {
var cam = new THREE.Vector3( camera.position.x, camera.position.y, camera.position.z );
var s = cam.length() / radius;
// stars radii
gstars.scale.set(ae * s, ae * s, ae * s);
gstars.updateMatrix();
// sat
var gtrac = gsolar.getObjectByName('sattrac');
if (gtrac) {
var gsat = gtrac.getObjectByName('satpos');
for (var i=0; i<gsat.children.length; i++) {
gsat.children[i].scale.set(satRadius * s, satRadius * s, satRadius * s);
}
}
// labels
var mtext = cam.length().toFixed(2);
var tcoord = document.getElementById('tcoord');
tcoord.innerHTML = mtext+' km';
DV.render(scene, camera);
};
var addGeometry = function(coords, opt, s) {
var pts = [];
for (var i in coords) {
if (isNaN(coords[i][2])) { // spherical
var rect = MVector.spheric2rect(coords[i][0]*Math.PI/180, coords[i][1]*Math.PI/180);
} else { // rectangular
var rect = coords[i];
}
if (rect && !isNaN(rect[0]) && !isNaN(rect[1]) && !isNaN(rect[2])) {
pts.push( new THREE.Vector3 ( rect[0], rect[1], rect[2] ) );
}
}
var shape = new THREE.Shape(),
geometry = shape.createGeometry( pts ),
obj = new THREE.Line( geometry, new THREE.LineBasicMaterial( { opacity: opt.opacity || 1, transparent: true, color: opt.fg } ) );
obj.scale.set( s, s, s );
return obj;
};
var removeLayer = function(name, group) {
var m = group.getObjectByName(name);
if (m) {
group.remove(m);
if (m.geometry) m.geometry.dispose();
}
};
var addLayer = function(name, group, mesh) {
removeLayer(name, group);
mesh.name = name;
group.add(mesh);
};
var ellipse2poly = function(x, y, z, a, b, col_vertex){
var anglestep = 2.0*Math.PI / col_vertex,
pts = [];
for (var i=0; i<=col_vertex; i++){
pts.push([ x - a * Math.cos(i * anglestep), y,
z + b * Math.sin(i * anglestep) ]);
}
return pts;
};
var loadPlanet = function(gmtime, name) {
var d = Solar.timeScale(gmtime),
pos = Solar[name](d),
ecl = Solar.ecl2eq(pos[0], pos[1], pos[2], d),
eq = MVector.rect2spheric(ecl[0], ecl[1], ecl[2]), // to ra,dec
rect = MVector.spheric2rect(eq[0], eq[1], eq[2]); // to rect
return rect;
};
var layers = function() {
var m = {};
for (var i in mopt) if (!mopt[i]['hide']) m[i] = mopt[i];
return m;
};
// Return Date
var getSelTime = function(){
return new Date(
Number(document.getElementById('yy').value),
Number(document.getElementById('mm').value)-1,
Number(document.getElementById('dd').value),
Number(document.getElementById('hh').value),
Number(document.getElementById('mi').value),
Number(document.getElementById('ss').value) );
};
// Convert to UTC
var getSelUTC = function(dtm){
return [ dtm.getUTCFullYear(),
dtm.getUTCMonth()+1,
dtm.getUTCDate(),
dtm.getUTCHours(),
dtm.getUTCMinutes(),
dtm.getUTCSeconds() ];
};
// Set date/time in controls
var setSelTime = function(interval){
if (interval) {
var st = getSelTime(),
tt = st.getTime();
var dtm = new Date(tt + interval);
} else {
var dtm = new Date();
// var dtm = new Date(2010, 12-1, 22, 7, 33, 0);
}
document.getElementById('yy').value = dtm.getFullYear();
document.getElementById('mm').value = dtm.getMonth()+1;
document.getElementById('dd').value = dtm.getDate();
document.getElementById('hh').value = dtm.getHours();
document.getElementById('mi').value = dtm.getMinutes();
document.getElementById('ss').value = dtm.getSeconds();
};
// Start/stop timer
var setAutoTime = function() {
if (window.autotime) {
window.autotime = window.clearInterval(window.autotime);
document.getElementById('btauto').textContent = '\u25B6';
} else {
window.autotime = setInterval(function() {
setSelTime(500*20);
update();
}, 500);
document.getElementById('btauto').textContent = '\u23F8';
}
};
// Update map
var update = function(mlayers) {
mlayers = mlayers || layers();
var gmtime = getSelUTC(getSelTime());
var gmst = Starry.siderealTime(gmtime),
skyRotationAngle = gmst / 12.0 * Math.PI;
gstars.rotation.z = -skyRotationAngle;
gsolar.rotation.z = -skyRotationAngle;
for (var ftype in mlayers) {
var layer = mlayers[ftype];
var group = new THREE.Object3D();
switch (ftype) {
case 'earth':
var sun = Solar.loadSun(gmtime),
sunrect = MVector.spheric2rect(sun[0], sun[1]);
// orbit
var tp = Math.pow(ae / sunGmf, 1.5) * 1000,
dtm = new Date(Number(gmtime[0]), Number(gmtime[1])-1, Number(gmtime[2]), Number(gmtime[3]), Number(gmtime[4]), Number(gmtime[5]));
var pts = [];
for (var j=0; j<100; j++) {
var t = new Date(dtm.getTime() + tp * j/100),
gmt = [t.getFullYear(), t.getMonth()+1, t.getDate(), t.getHours(), t.getMinutes(), t.getSeconds()],
mcoords = Solar.loadSun(gmt),
rect = MVector.spheric2rect(mcoords[0], mcoords[1]);
pts.push([sunrect[0] - rect[0], sunrect[1] - rect[1], sunrect[2] - rect[2]]);
}
pts.push(pts[0]);
addLayer(ftype + 'orbit', gsolar, addGeometry(pts, layer, ae));
break;
case 'sun':
var sun = Solar.loadSun(gmtime),
rect = MVector.spheric2rect(sun[0], sun[1]);
gsolar.getObjectByName(ftype).position.set(ae * rect[0], ae * rect[1], ae * rect[2]);
gsolar.getObjectByName('sunLight').position.set(ae * rect[0], ae * rect[1], ae * rect[2]);
break;
case 'moon':
var moon = Solar.loadMoon(gmtime),
rect = MVector.spheric2rect(moon[0], moon[1]);
// pos
gsolar.getObjectByName(ftype).getObjectByName(ftype).position.set(moonDist * rect[0], moonDist * rect[1], moonDist * rect[2]);
// orbit
var tp = Math.pow(moonDist / eaGmf, 1.5) * 1000,
dtm = new Date(Number(gmtime[0]), Number(gmtime[1])-1, Number(gmtime[2]), Number(gmtime[3]), Number(gmtime[4]), Number(gmtime[5]));
var pts = [];
for (var i=0; i<100; i++) {
var t = new Date(dtm.getTime() + tp * i/100),
gmt = [t.getFullYear(), t.getMonth()+1, t.getDate(), t.getHours(), t.getMinutes(), t.getSeconds()],
mcoords = Solar.loadMoon(gmt),
rect = MVector.spheric2rect(mcoords[0], mcoords[1]);
pts.push(rect);
}
pts.push(pts[0]);
addLayer(ftype + 'orbit', gsolar, addGeometry(pts, layer, moonDist));
break;
case 'planets':
var sun = Solar.loadSun(gmtime),
sunrect = MVector.spheric2rect(sun[0], sun[1]);
for (var name in planetsDist) {
var dist = planetsDist[name] * ae,
rect = loadPlanet(gmtime, name);
// pos
gsolar.getObjectByName(ftype).getObjectByName(name).position.set(dist * rect[0] + ae * sunrect[0], dist * rect[1] + ae * sunrect[1], dist * rect[2] + ae * sunrect[2]);
// orbit
var tp = Math.pow(dist / sunGmf, 1.5) * 1000,
dtm = new Date(Number(gmtime[0]), Number(gmtime[1])-1, Number(gmtime[2]), Number(gmtime[3]), Number(gmtime[4]), Number(gmtime[5]));
var pts = [];
for (var j=0; j<100; j++) {
var t = new Date(dtm.getTime() + tp * j/100),
gmt = [t.getFullYear(), t.getMonth()+1, t.getDate(), t.getHours(), t.getMinutes(), t.getSeconds()],
rect = loadPlanet(gmt, name);
pts.push([dist * rect[0] + ae * sunrect[0], dist * rect[1] + ae * sunrect[1], dist * rect[2] + ae * sunrect[2]]);
}
pts.push(pts[0]);
addLayer(name, group, addGeometry(pts, layer, 1));
}
addLayer(ftype + 'orbit', gsolar, group);
break;
case 'sattrac':
var tledata = TLEDATA;
var gorbit = new THREE.Object3D();
var gsat = new THREE.Object3D();
for (var name in tledata){
for (var j in tledata[name]){
if (!tledata[name][j])
continue; // check data
if (msat[name])
continue; // skip hidden
var satrec = satellite.twoline2satrec(tledata[name][j][1], tledata[name][j][2]);
var tp = 2.0 * Math.PI * 60.0/satrec.no;
// pos
var pv = satellite.propagate(satrec, gmtime[0], gmtime[1], gmtime[2], gmtime[3], gmtime[4], gmtime[5]);
if (!pv['position']){
console.log('no position', name, tledata[name][j][0]);
continue;
}
var sprite = new THREE.Sprite(new THREE.SpriteMaterial({map: (tledata[name][j][0] == 'ISS (ZARYA)' ? issTexture : satelliteTexture), color: layer.bg}));
sprite.position.set( pv['position']['x'], pv['position']['y'], pv['position']['z'] );
sprite.scale.set(satRadius, satRadius, satRadius);
gsat.add(sprite);
// orbit
var dtm = new Date(Number(gmtime[0]), Number(gmtime[1])-1, Number(gmtime[2]), Number(gmtime[3]), Number(gmtime[4]), Number(gmtime[5]));
var pts = [];
for (var j=0; j<50; j++) {
var t = new Date(dtm.getTime() + tp * 1000 * j/50),
gmt = [t.getFullYear(), t.getMonth()+1, t.getDate(), t.getHours(), t.getMinutes(), t.getSeconds()],
pv = satellite.propagate(satrec, gmt[0], gmt[1], gmt[2], gmt[3], gmt[4], gmt[5]),
rect = [pv['position']['x'], pv['position']['y'], pv['position']['z']];
pts.push(rect);
}
pts.push(pts[0]);
layer.fg = satColors[name];
gorbit.add(addGeometry(pts, layer, 1));
}
}
addLayer('satorbit', group, gorbit);
addLayer('satpos', group, gsat);
addLayer(ftype, gsolar, group);
break;
}
}
render();
};
// Create map
var init = function(mlayers){
mlayers = mlayers || layers();
for (var ftype in mlayers) {
var layer = mlayers[ftype];
var group = new THREE.Object3D();
switch (ftype) {
case 'earth':
// planet
var sphere = new THREE.SphereGeometry( radius, 40, 20 );
sphere.computeTangents();
var mesh = new THREE.Mesh( sphere, new THREE.MeshLambertMaterial( { map: planetTexture, overdraw: 0.5 } ) );
group.add(mesh);
// clouds
var materialClouds = new THREE.MeshLambertMaterial( { color: 0xffffff, map: cloudsTexture, transparent: true } );
var mesh = new THREE.Mesh( sphere, materialClouds );
mesh.scale.set( 1.005, 1.005, 1.005 );
group.add(mesh);
addLayer(ftype, gplanet, group);
break;
case 'meridians':
var x = -180;
while (x <= 180) {
var lon = [];
var y = -90;
while (y <= 90) {
lon.push([x, y]);
y += 5;
}
group.add( addGeometry(lon, layer, radius * eaScale) );
x += 30;
}
var y = -90;
while (y <= 90) {
var lat = [];
var x = -180;
while (x <= 180) {
lat.push([x, y]);
x += 5;
}
group.add( addGeometry(lat, layer, radius * eaScale) );
y += 30;
}
addLayer(ftype, gearth, group);
break;
case 'stars':
var stars = STARS,
starsGeometry = {};
for (var i in stars) {
var ra = stars[i][0], dec = stars[i][1], mag = stars[i][2], hd = stars[i][3], label = stars[i][4];
var i, rect = MVector.spheric2rect(ra, dec);
if ( mag < 0 ) i = 0;
else if ( mag < 1 ) i = 1;
else if ( mag < 2 ) i = 2;
else if ( mag < 3 ) i = 3;
else if ( mag < 4 ) i = 4;
else if ( mag < 5 ) i = 5;
else i = 6;
if (!starsGeometry[i])
starsGeometry[String(i)] = new THREE.Geometry();
starsGeometry[String(i)].vertices.push( new THREE.Vector3(radius * rect[0], radius * rect[1], radius * rect[2]) );
}
for (var i in starsGeometry) {
var m = ([[1,3],[0.866666,3],[1,2],[0.866666,2],[0.666666,2],[1,1],[0.8666666,1]])[Number(i)];
var material = new THREE.PointCloudMaterial( {
map: starTexture,
color: layer.bg * m[0],
size: m[1]*3,
sizeAttenuation : false,
transparent : true
} );
group.add( new THREE.PointCloud( starsGeometry[String(i)], material ) );
}
addLayer(ftype, gstars, group);
break;
case 'cntlines':
var lns = CNTLS;
for (var i=0; i<lns.length; i++) {
for (var j=0; j<lns[i].paths.length; j++) {
var mcoords = [];
for (var k=0; k<lns[i].paths[j].length; k++) {
mcoords.push([
lns[i].paths[j][k][0]*15,
lns[i].paths[j][k][1]
]);
}
group.add( addGeometry(mcoords, layer, radius) );
}
}
addLayer(ftype, gstars, group);
break;
case 'sun':
var tDiffuse = coronaTexture;
tDiffuse.wrapS = tDiffuse.wrapT = THREE.ClampToEdgeWrapping;
tDiffuse.format = THREE.RGBAFormat;
var coronaRadius = radius * sunScale * 10;
var material = new THREE.SpriteMaterial({
fog : false,
map : tDiffuse,
color : layer.bg,
sizeAttenuation : true,
transparent : false,
blending : THREE.AdditiveBlending,
useScreenCoordinates: false,
depthWrite: false,
depthTest: true
});
var sprite = new THREE.Sprite(material);
sprite.scale.set(coronaRadius, coronaRadius, coronaRadius);
addLayer(ftype, gsolar, sprite);
// light
var mesh = new THREE.PointLight( 0xffffff, 1.2 );
addLayer('sunLight', gsolar, mesh);
var mesh = new THREE.AmbientLight( 0x222222 );
addLayer('ambientLight', gsolar, mesh);
break;
case 'moon':
var sphere = new THREE.SphereGeometry( radius * moonScale, 40, 20 );
var mesh = new THREE.Mesh( sphere, new THREE.MeshPhongMaterial( { color: layer.bg } ) );
addLayer(ftype, group, mesh);
addLayer(ftype, gsolar, group);
break;
case 'planets':
for (var name in planetsScale) {
var sphere = new THREE.SphereGeometry( radius * planetsScale[name] * 100, 40, 20 );
var mesh = new THREE.Mesh( sphere, new THREE.MeshLambertMaterial( { color: planetsColors[name] } ) );
addLayer(name, group, mesh);
}
addLayer(ftype, gsolar, group);
break;
}
}
};
var resize = function() {
var w = mcol.offsetWidth, h = mcol.offsetHeight;
DV.domElement.style.width = '100%';
DV.domElement.style.height = '100%';
DV.setSize( w, h );
camera.aspect = w / h;
camera.updateProjectionMatrix();
render();
};
if (Detector.webgl) { // require webgl support
var DV = new THREE.WebGLRenderer( { antialias: false } );
} else {
var DV = new THREE.CanvasRenderer();
}
DV.setClearColor( 0x161626 );
var camera = new THREE.PerspectiveCamera( 25, 1, 50, 1e15 );
camera.position.x = radius * 20;
var controls = new THREE.OrbitControls( camera, DV.domElement );
controls.addEventListener( 'change', render );
controls.rotateSpeed = 1.0;
controls.zoomSpeed = 0.9;
controls.panSpeed = 1;
controls.noZoom = false;
controls.noPan = false;
controls.staticMoving = true;
controls.dynamicDampingFactor = 0.3;
var scene = new THREE.Scene();
var planetTexture = THREE.ImageUtils.loadTexture('img/earth_map.jpg');
var cloudsTexture = THREE.ImageUtils.loadTexture('img/earth_clouds_1024.png');
var coronaTexture = THREE.ImageUtils.loadTexture('img/corona.png');
var starTexture = THREE.ImageUtils.loadTexture('img/star_particle.png');
var satelliteTexture = THREE.ImageUtils.loadTexture('img/satellite_100x100.png');
var issTexture = THREE.ImageUtils.loadTexture('img/iss_100x100.png');
// layer groups
var gplanet = new THREE.Object3D();
scene.add(gplanet);
var gearth = new THREE.Object3D();
gearth.rotation.x = -90*Math.PI/180;
scene.add(gearth);
var gstars = new THREE.Object3D();
gstars.rotation.x = -90*Math.PI/180;
scene.add(gstars);
var gsolar = new THREE.Object3D();
gsolar.rotation.x = -90*Math.PI/180;
scene.add(gsolar);
var gbao = new THREE.Object3D();
gbao.rotation.x = -90*Math.PI/180;
scene.add(gbao);
// html controls
var mtab = document.createElement('table');
mtab.style.borderCollapse = 'collapse';
var row = document.createElement('tr');
row.className = 'bg';
row.style.height = '1px';
mtab.appendChild(row);
var col = document.createElement('td');
col.width = '20%';
var el = document.createElement('a');
el.appendChild(document.createTextNode('Звезды 3d'));
el.href = '/dbcartajs';
el.style.fontSize = 'larger';
el.style.lineHeight = '1';
col.appendChild(el);
row.appendChild(col);
var col = document.createElement('td');
var layerlist = el = document.createElement('select');
el.id = 'layerlist';
col.appendChild(el);
col.appendChild(document.createTextNode(' '));
var satlist = el = document.createElement('select');
el.id = 'satlist';
col.appendChild(el);
col.appendChild(document.createTextNode(' '));
var el = document.createElement('span');
el.id = 'tcoord';
col.appendChild(el);
row.appendChild(col);
var col = document.createElement('td');
var yy = el = document.createElement('select');
yy.id = 'yy';
col.appendChild(el);
col.appendChild(document.createTextNode(' '));
var mm = el = document.createElement('select');
mm.id = 'mm';
col.appendChild(el);
col.appendChild(document.createTextNode(' '));
var dd = el = document.createElement('select');
dd.id = 'dd';
col.appendChild(el);
row.appendChild(col);
var col = document.createElement('td');
var hh = el = document.createElement('select');
hh.id = 'hh';
col.appendChild(el);
col.appendChild(document.createTextNode(' '));
var mi = el = document.createElement('select');
mi.id = 'mi';
col.appendChild(el);
col.appendChild(document.createTextNode(' '));
var ss = el = document.createElement('select');
ss.id = 'ss';
col.appendChild(el);
row.appendChild(col);
var col = document.createElement('td');
el = document.createElement('button');
el.id = 'btauto';
col.appendChild(el);
el.onclick = setAutoTime;
el.title = 'Запустить таймер';
el.appendChild(document.createTextNode('\u25B6'));
col.appendChild(el);
row.appendChild(col);
var row = document.createElement('tr');
var mcol = document.createElement('td');
mcol.colSpan = '50';
mcol.style.padding = '0';
row.appendChild(mcol);
mtab.appendChild(row);
document.body.appendChild(mtab);
// add select entry
var optfunc = function(o, k, v) {
var el = document.createElement('option');
el.value = k;
el.appendChild(document.createTextNode(v || k));
o.appendChild(el);
};
// list layers
optfunc(layerlist, 'Слои...');
layerlist.options[layerlist.selectedIndex].disabled = 'true';
for(var i in mopt) optfunc(layerlist, i);
layerlist.onchange = function() {
var name = this.value;
mopt[name]['hide'] = (!mopt[name]['hide']);
this.options[this.selectedIndex].style.color = (mopt[name]['hide'] ? 'lightgray' : '');
this.selectedIndex = 0;
if (mopt[name]['hide']) {
removeLayer(name, gplanet);
removeLayer(name, gearth);
removeLayer(name, gstars);
removeLayer(name, gsolar);
removeLayer(name + 'orbit', gsolar);
removeLayer(name, gbao);
render();
} else {
var layer = {};
layer[name] = mopt[name];
init(layer);
update(layer);
}
};
// list sat
optfunc(satlist, 'Аппараты...');
satlist.options[satlist.selectedIndex].disabled = 'true';
for(var i in TLEDATA) optfunc(satlist, i);
satlist.onchange = function() {
msat[this.value] = (!msat[this.value]);
this.options[this.selectedIndex].style.color = (msat[this.value] ? 'lightgray' : '');
this.selectedIndex = 0;
update();
};
// fill date/time
for(i=1999; i<2050; i++) optfunc(yy, i);
for(i=1; i<13; i++) optfunc(mm, i);
for(i=1; i<32; i++) optfunc(dd, i);
for(i=0; i<24; i++) optfunc(hh, i);
for(i=0; i<60; i++) optfunc(mi, i);
for(i=0; i<60; i++) optfunc(ss, i);
yy.onchange = function() { update(); };
mm.onchange = function() { update(); };
dd.onchange = function() { update(); };
hh.onchange = function() { update(); };
mi.onchange = function() { update(); };
ss.onchange = function() { update(); };
// events
mcol.appendChild(DV.domElement);
resize();
setSelTime();
init();
setTimeout(function(){
update();
setAutoTime();
}, 100);
};
initMap();
</script>
</body>
</html>