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starry.html
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<!DOCTYPE html>
<!--
Starry Sky on Canvas.
View stars, constellations, planets, sattelites on Earth background.
egax@bk.ru, 2013-23.
-->
<html lang="ru">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Звездное небо / Canvas векторная карта</title>
<meta name="description" content="Карта звездного неба и созвездий">
<meta name="keywords" content="звездное небо, звезды, созвездия, планеты, спутники Земли, Starry Sky, 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/proj4js-combined.js"></script>
<script src="js/dbcarta.js"></script>
<script src="js/data/continents.js"></script>
<script src="js/data/imgmap.js"></script>
<script src="js/data/stars.js"></script>
<!--<script src="js/data/stars_tycho.js"></script>-->
<script src="js/data/constellations.js"></script>
<script src="js/data/tledata.js"></script>
<script src="js/alg/starry.js"></script>
<script src="js/3rdparty/satellite.js"></script>
<script>
// list layers in order
var mopt = {
'cntlines': {cls: 'Line', fg: 'rgba(230,230,200,0.3)', labelcolor: 'rgb(230,230,200)'},
'cntpos': {cls: 'Dot', fg: 'rgb(17,17,96)', labelcolor: 'rgb(0,200,0)'},
'stars': {cls: 'Dot', fg: 'rgb(255,255,255)', labelcolor: 'rgb(155,155,200)'},
'sun': {cls: 'Dot', fg: 'rgb(255,255,0)', labelcolor: 'rgb(255,255,0)'},
'moon': {cls: 'Dot', fg: 'rgb(200,200,200)', labelcolor: 'rgb(200,200,200)'},
'planets': {cls: 'Dot', fg: 'rgb(220,200,200)', labelcolor: 'rgb(255,155,128)'},
'earth': {},
'sattrac': {cls: 'Line', fg: 'rgba(255,188,0,0.5)'},
'satsurface': {cls: 'Dot', fg: 'rgba(255,255,220,0.9)', size: '2'},
'sattrace': {cls: 'Line', fg: 'rgb(255,255,0)'},
'satsector': {cls: 'Polygon', fg: 'rgba(200,200,170,0.1)', bg: 'rgba(200,200,170,0.1)', width: '0.1'},
'satpos': {cls: 'Dot', fg: 'rgb(200,200,170)', labelcolor: 'rgb(200,200,170)'},
'terminator': {cls: 'Polygon', fg: 'rgba(0,0,0,0.3)', bg: 'rgba(0,0,0,0.3)'},
'.Water': {cls: 'Polygon', fg: 'rgb(64,80,80)', bg: 'rgb(64,80,80)'}
};
// list sat
var msat = {};
// layers on
function layers() {
var m = {};
for (var i in mopt) if (!mopt[i]['hide']) m[i] = mopt[i];
return m;
}
// Free bg image
function freeImg() {
delete DV.m.bgimg;
delete DV.mflood['.Image_wrld']['img'];
}
// Load worldmap raster image
function loadImg() {
var im = new Image();
if (DV.project == 0)
im.src = IMGMAP['wrld_small'];
else if (DV.project == 101)
im.src = IMGMAP['wrld_small_merc'];
else if (DV.project == 102)
im.src = IMGMAP['wrld_small_mill'];
else if (DV.project == 204)
im.src = IMGMAP['wrld_small_moll'];
else {
scaleheight();
draw();
}
im.onload = function() {
if (DV.project == 0)
DV.loadCarta([{0:'.Image', 1:'wrld', 2:[[-180,90],[180,-90]], 6:this}]);
else if (DV.project == 101)
DV.loadCarta([{0:'.Image', 1:'wrld', 2:[[-179.99,180],[179.99,-180]], 6:this}]);
else if (DV.project == 102)
DV.loadCarta([{0:'.Image', 1:'wrld', 2:[[-179.99,132],[179.99,-132]], 6:this}]);
else if (DV.project == 204)
DV.loadCarta([{0:'.Image', 1:'wrld', 2:[[-162,81],[162,-81]], 6:this}]);
DV.m.bgimg = DV.mflood['.Image_wrld']; // mark as bg
draw();
};
}
// Rotate map
function rotate() {
DV.rotateCarta(10);
draw();
}
// Change proj
function proj() {
DV.changeProject(document.getElementById('projlist').value);
// reset map
var centerof = DV.toPoints([0, 0], false);
DV.centerCarta(centerof[0] + DV.m.offset[0], centerof[1] + DV.m.offset[1]);
DV.style.backgroundColor = DV.isTurnable() ? 'rgb(22,22,38)' : 'rgb(186,196,205)';
freeImg();
loadImg();
}
// Tooltip under cursor
function infobox(ev) {
var mtip = document.getElementById('maptooltip');
if (DV.m.pmap) {
mtip.innerHTML = DV.marea[DV.m.pmap]['desc'] || DV.marea[DV.m.pmap]['label'] || DV.marea[DV.m.pmap]['ftag'];
mtip.style.display = 'block';
mtip.style.left = ev.clientX + window.pageXOffset + 'px';
mtip.style.top = ev.clientY + window.pageYOffset - mtip.offsetHeight*1.2 + 'px';
} else {
mtip.style.display = 'none';
}
}
// Calculate Right Ascention and Declination (ra/dec)
function calcSpheric(coords, dt) {
if (!DV.isTurnable()) return;
var proj = DV.initProj();
var rect = DV.viewsizeOf(),
skyRadius = 0.6 * Math.sqrt((rect[2]-rect[0])*(rect[2]-rect[0]) + (rect[3]-rect[1])*(rect[3]-rect[1])),
gmst = Starry.siderealTime(dt),
skyRotationAngle = gmst / 12.0 * Math.PI;
coords[0] /= skyRadius * Math.PI/180;
coords[1] /= skyRadius * Math.PI/180;
var cy = -proj.lat0 * 180/Math.PI,
cx = proj.long0 * 180/Math.PI + skyRotationAngle * 180/Math.PI;
var skyproj = '+proj=ortho +units=m +a=' + proj.a + ' +b=' + proj.b + ' +lon_0=' + cx + ' +lat_0=' + cy;
Proj4js.defs['SKY'] = skyproj;
DV.projload['SKY'] = new Proj4js.Proj('SKY');
var pt = DV.transformCoords('SKY', 'epsg:4326', coords);
if (pt) {
// backside
pt[0] = MUtil.ang360(180 - (pt[0] - cx) + cx) * Math.PI/180;
pt[1] = pt[1] * Math.PI/180;
}
return pt;
}
// Night zone coords
function terminator(time, h, cx, cy) {
var sunpos = Solar.loadSun(time),
srect = MVector.spheric2rect(sunpos[0], sunpos[1]),
sgeo = MVector.rect2geo(time, srect[0], srect[1], srect[2]);
if (DV.isTurnable()) {
var s1 = MGeo.bigcircle1spheric(sgeo[0], sgeo[1], 1, cx, cy, true);
h += MGeo.AE;
var ss1 = [];
for(var i in s1) {
if (MGeo.distance(s1[i], [cx, cy])<=Math.acos(MGeo.AE/h)) ss1.push(s1[i]);
}
s1 = ss1;
var s2 = MGeo.circle1spheric(cx, cy, MGeo.AE*Math.acos(MGeo.AE/h)-100,60);
var ss1 = [], ss2 = [], f=0;
for(var i in s2) {
if (!MGeo.islight(s2[i][0], s2[i][1], sgeo[0], sgeo[1])) {
if (!f)
ss1.push(s2[i]);
else
ss2.push(s2[i]);
} else {
f = true;
}
}
s2=ss2.concat(ss1);
if (s1.length && s2.length) {
if (MGeo.distance(s1[0], s2[0]) < Math.PI/4.0) s2.reverse();
}
var s = s1.concat(s2);
if (s) {
s.push(s[0]);
}
} else {
var s = MGeo.bigcircle1spheric(sgeo[0], sgeo[1], 5),
isnight = MGeo.isnight(srect, 179.99, ylimit),
ylimit = (DV.project == 101 ? 85.02 : 89.99);
if (DV.project !== 201) {
if (isnight) s.push([179.99,ylimit]); else s.push([179.99,-ylimit]);
if (isnight) s.push([-179.99,ylimit]); else s.push([-179.99,-ylimit]);
}
s.push(s[0]);
}
return s;
}
// Render points (stars, tracs) on lonlat
function drawlonlat(pts, ftype, areasize) {
if (!DV.isTurnable()) return;
var proj = DV.initProj();
var cx = proj.long0 * 180/Math.PI,
cy = proj.lat0 * 180/Math.PI;
// switch to lonlat
DV.initProj(0, '');
for(var i in pts) {
var mcoords = pts[i][0],
msize = pts[i][1],
mlabel = pts[i][2],
mftag = pts[i][3] || mlabel;
if (msize)
DV.mopt[ftype]['size'] = msize / 8;
var m = DV.paintCarta(mcoords, ftype, mlabel);
// add map area
if (mftag) {
var desc = [];
if (pts[i][4]) // opt.info
for (var k in pts[i][4])
if (pts[i][4][k]) desc.push('<b>' + k + '</b>: ' + pts[i][4][k]);
DV.marea[ftype + '_' + mftag] = {
'ftype': ftype,
'ftag': mftag,
'pts': m['pts'],
'desc': desc.join('<br/>')
};
}
if (areasize) // fix size for area map
DV.mopt[ftype]['size'] = areasize;
}
// restore spherical proj
DV.initProj(202, ' +h=' + proj.h + ' +lon_0=' + cx + ' +lat_0=' + cy);
}
// Render all layers
function draw() {
var mlayers = layers();
var proj = DV.initProj();
var cx = proj.long0 * 180/Math.PI,
cy = proj.lat0 * 180/Math.PI,
rect = DV.viewsizeOf(),
skyRadius = 0.6 * Math.sqrt((rect[2]-rect[0])*(rect[2]-rect[0]) + (rect[3]-rect[1])*(rect[3]-rect[1])),
eaRadius = Math.sqrt((proj.p15 - 1.0)/(proj.p15 + 1.0)) * 180/Math.PI,
eaRadiusM = proj.a,
rotate = DV.m.rotate,
centerof = DV.viewcenterOf(),
gmtime = getSelTime(),
darkhide = ('earth' in mlayers);
var sat = {};
// clear all
DV.clearCarta();
for (var i in DV.mflood) {
switch (DV.mflood[i]['ftype']) {
case 'terminator':
case 'sattrace':
case 'satsurface':
delete DV.mflood[i];
}
}
// clear map area
DV.marea = {};
for (var ftype in mlayers) {
switch (ftype) {
case 'earth':
DV.draw(1);
break;
case 'stars':
var stars = STARS,
mstars = Starry.renderSky(stars, rect, skyRadius, eaRadius, cx, cy, rotate, centerof, gmtime, darkhide);
drawlonlat(mstars, ftype, 3);
break;
case 'cntlines':
var lns = CLNS,
mpts = [];
for (var i=0; i<lns.length; i=i+2) {
var m = Starry.renderSky([lns[i], lns[i+1]], rect, skyRadius, eaRadius, cx, cy, rotate, centerof, gmtime, darkhide, true);
if (m.length == 1)
m = Starry.renderSky([lns[i], lns[i+1]], rect, skyRadius, eaRadius, cx, cy, rotate, centerof, gmtime, false, false);
if (m.length > 1)
mpts.push([[m[0][0][0], m[1][0][0]]]);
}
drawlonlat(mpts, ftype);
break;
case 'cntpos':
var cnts = CNTS,
mcnts = Starry.renderSky(cnts, rect, skyRadius, eaRadius, cx, cy, rotate, centerof, gmtime, darkhide);
drawlonlat(mcnts, ftype);
break;
case 'sun':
var sun = Solar.loadSun(gmtime),
msun = Starry.renderSky([sun], rect, skyRadius, eaRadius, cx, cy, rotate, centerof, gmtime, darkhide);
drawlonlat(msun, ftype, 5);
break;
case 'moon':
var moon = Solar.loadMoon(gmtime),
mmoon = Starry.renderSky([moon], rect, skyRadius, eaRadius, cx, cy, rotate, centerof, gmtime, darkhide);
drawlonlat(mmoon, ftype, 4);
break;
case 'planets':
var planets = Solar.loadPlanets(gmtime),
mplanets = Starry.renderSky(planets, rect, skyRadius, eaRadius, cx, cy, rotate, centerof, gmtime, darkhide);
drawlonlat(mplanets, ftype, 4);
break;
case 'terminator':
var term = terminator(gmtime, proj.h/1000, cx, cy);
DV.loadCarta([[ftype, '1', term]], 1);
break;
case 'satpos':
case 'sattrac':
case 'sattrace':
case 'satsurface':
case 'satsector':
var tledata = TLEDATA.GLONASS;
for (var i in tledata){
if (!tledata[i])
continue; // check data
if (msat[tledata[i][0]])
continue; // skip hidden
if (!sat[i]) {
var satrec = satellite.twoline2satrec(tledata[i][1], tledata[i][2]);
// orbital period
var utc1 = Date.UTC(gmtime[0], gmtime[1]-1, gmtime[2], gmtime[3], gmtime[4], gmtime[5]),
ps = 2.0 * Math.PI * 60.0/satrec.no, // rad.per min to 2 period
delta = 0, step = ps / 200.0, vrect = [], vgeo = [];
while (delta <= ps) {
var utc2 = new Date();
utc2.setTime(utc1 - delta * 1000);
var pv = satellite.propagate(satrec, utc2.getUTCFullYear(), utc2.getUTCMonth()+1, utc2.getUTCDate(), utc2.getUTCHours(), utc2.getUTCMinutes(), utc2.getUTCSeconds()),
gmst = satellite.gstime_from_date(utc2.getUTCFullYear(), utc2.getUTCMonth()+1, utc2.getUTCDate(), utc2.getUTCHours(), utc2.getUTCMinutes(), utc2.getUTCSeconds()),
pgeo = satellite.eci_to_geodetic(pv['position'], gmst);
delta += step;
vrect.push([pv['position']['x'], pv['position']['y'], pv['position']['z']]);
vgeo.push([MUtil.ang180(pgeo['longitude'] * 180/Math.PI), MUtil.ang90(pgeo['latitude'] * 180/Math.PI)]);
}
sat[i] = {
'tracs': [tledata[i][0], vrect],
'mtracs': Starry.renderSat(vrect, rect, eaRadius, eaRadiusM, cx, cy, gmtime, darkhide),
'mcoords': vgeo
};
}
var tracs = sat[i]['tracs'],
mtracs = sat[i]['mtracs'],
mcoords = sat[i]['mcoords'];
// calc sat.height
var sath = Math.sqrt(tracs[1][0][0]*tracs[1][0][0] + tracs[1][0][1]*tracs[1][0][1] + tracs[1][0][2]*tracs[1][0][2]);
sath = (sath - MGeo.AE).toFixed(0) + ' km';
// orbit
if (ftype == 'sattrac')
drawlonlat(mtracs[1], ftype);
// surface point
if (ftype == 'satsurface') {
DV.loadCarta([[ftype, i, [mcoords[0]]]], 1);
var m = {label: tracs[0], lon: mcoords[0][0].toFixed(4), lat: mcoords[0][1].toFixed(4), h: sath},
desc = [];
for (var k in m) if (m[k]) desc.push('<b>' + k + '</b>: ' + m[k]);
DV.marea[ftype + '_' + i] = {
'ftype': ftype,
'ftag': i,
'pts': DV.mflood[ftype + '_' + i]['pts'],
'desc': desc.join('<br/>')
};
}
// surface trace
if (ftype == 'sattrace') {
var trace = [];
for (var j in mcoords)
if (mcoords[j-1] && mcoords[j][0] - mcoords[j-1][0] < 90)
trace.push([ftype, i + '.' + j, [mcoords[j-1], mcoords[j]]]);
DV.loadCarta(trace, 1);
}
if (DV.isTurnable() && mtracs[0].length) {
// sat.fields of vision
if (ftype == 'satsector') {
var pts = MGeo.circle1spheric(mcoords[0][0], mcoords[0][1], MGeo.AE * 18 * Math.PI/180, 20);
// conv to lonlat
var mpts = [];
for(var j in pts){
var pt = DV.transformCoords('epsg:4326', String(DV.project), pts[j]);
if (pt) {
if (!pt[2]) // backside intersect ea
pt = MGeo.lineNcircle([ mtracs[0][0][0][0], pt ], eaRadius);
if (j > 0) // triangle sector
mpts.push([[mtracs[0][0][0][0], pt, pt1]]);
var pt1 = pt; // previous pt
}
}
drawlonlat(mpts, ftype);
}
// sat.label
if (ftype == 'satpos')
drawlonlat([[[mtracs[0][0][0][0]], 16, tracs[0], i, {label: tracs[0], h: sath}]], ftype);
}
}
break;
}
}
}
// Scale map by height above Earth
function scaleheight() {
if (!DV.isTurnable()) return;
var proj = DV.initProj();
var projh = document.getElementById('projh').value * 1000,
cx = proj.long0 * 180/Math.PI,
cy = proj.lat0 * 180/Math.PI;
// set height
var proj = DV.initProj(' +h=' + projh + ' +lon_0=' + cx + ' +lat_0=' + cy);
// skyratio
var rhscale = Math.sqrt((proj.p15 - 1.0)/(proj.p15 + 1.0));
DV.scaleCarta(1);
DV.scaleCarta(1/rhscale * 4/proj.p15);
}
function getSelTime() {
return [ Number(document.getElementById('yy').value),
Number(document.getElementById('mm').value),
Number(document.getElementById('dd').value),
Number(document.getElementById('hh').value),
Number(document.getElementById('mi').value),
Number(document.getElementById('ss').value) ];
}
function setSelTime(interval) {
if (interval) {
var st = getSelTime(),
ut = Date.UTC(st[0],st[1]-1,st[2],st[3],st[4],st[5]);
var dt = new Date(ut + interval);
} else
var dt = new Date();
// var dt = new Date(Date.UTC(2010, 12-1, 22, 7, 33, 0));
document.getElementById('yy').value = dt.getUTCFullYear();
document.getElementById('mm').value = dt.getUTCMonth()+1;
document.getElementById('dd').value = dt.getUTCDate();
document.getElementById('hh').value = dt.getUTCHours();
document.getElementById('mi').value = dt.getUTCMinutes();
document.getElementById('ss').value = dt.getUTCSeconds();
}
function setAutoTime() {
if (window.autotime) {
window.autotime = window.clearInterval(window.autotime);
document.getElementById('btauto').textContent = '\u25B6';
} else {
window.autotime = setInterval(function() {
setSelTime(100*1000);
draw();
}, 100);
document.getElementById('btauto').textContent = '\u23F8';
}
}
function init() {
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'));
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 projh = el = document.createElement('select');
el.id = 'projh';
col.appendChild(el);
col.appendChild(document.createTextNode(' '));
var projlist = el = document.createElement('select');
el.id = 'projlist';
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);
col.appendChild(document.createTextNode(' '));
var el = document.createElement('button');
el.title = 'Повернуть карту';
el.onclick = rotate;
el.appendChild(document.createTextNode('\u21A9'));
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);
col.appendChild(document.createTextNode(' '));
el = document.createElement('button');
el.id = 'btauto';
col.appendChild(el);
el.onclick = setAutoTime;
el.title = 'Запустить таймер';
el.appendChild(document.createTextNode('▶'));
col.appendChild(el);
row.appendChild(col);
var row = document.createElement('tr');
var col = document.createElement('td');
col.colSpan = '50';
col.id = 'mcol';
col.style.padding = '0';
row.appendChild(col);
mtab.appendChild(row);
document.body.appendChild(mtab);
// domap tooltip
var el = document.createElement('div');
el.id = 'maptooltip';
el.style.borderRadius = '4px';
el.style.border = '1px solid rgb(190,210,220)';
el.style.backgroundColor = 'rgba(190,210,220,0.7)';
el.style.color = 'rgba(0,0,0,0.7)';
el.style.padding = '4px';
el.style.position = 'absolute';
el.style.zIndex = '10000';
el.onmousemove = function(){ this.innerHTML = ''; };
document.body.appendChild(el);
DV = new dbCarta({id:'mcol', height:col.offsetHeight, rbar:0});
// define new layers
DV.extend(DV.mopt, layers());
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 layers()) optfunc(layerlist, i);
// list sat
optfunc(satlist, 'Аппараты...');
satlist.options[satlist.selectedIndex].disabled = 'true';
for(var i in TLEDATA.GLONASS) optfunc(satlist, TLEDATA.GLONASS[i][0], i);
// list nsper proj height
optfunc(projh, 'Высота...');
projh.options[projh.selectedIndex].disabled = 'true';
for(var i=1000; i<103000; i+=3000) optfunc(projh, i, (i/1000) +',000 км');
projh.value = 25000;
// list proj
optfunc(projlist, 'Проекции...');
projlist.options[projlist.selectedIndex].disabled = 'true';
var pl = [0, 101, 102, 201, 202, 204]; // exlude ortho
for(var i in pl) optfunc(projlist, pl[i], DV.projlist[pl[i]].split(' ')[0].split('=')[1]);
projlist.value = '202';
// 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);
// events
layerlist.onchange = function() {
mopt[this.value]['hide'] = (!mopt[this.value]['hide']);
this.options[this.selectedIndex].style.color = (mopt[this.value]['hide'] ? 'lightgray' : '');
this.selectedIndex = 0;
draw();
};
satlist.onchange = function() {
msat[this.value] = (!msat[this.value]);
this.options[this.selectedIndex].style.color = (msat[this.value] ? 'lightgray' : '');
this.selectedIndex = 0;
draw();
};
// hide some sat
for(var i=0; i<satlist.options.length; i++) {
if (i>1) {
satlist.options[i].style.color = 'lightgray';
msat[satlist.options[i].value] = true;
}
}
projh.onchange = function() {
scaleheight();
draw();
};
projlist.onchange = proj;
yy.onchange = draw;
mm.onchange = draw;
dd.onchange = draw;
hh.onchange = draw;
mi.onchange = draw;
ss.onchange = draw;
DV.clfunc.onclick = draw;
// curr. coords
DV.clfunc.onmousemove = function(DV, sd, dd, ev) {
var scoords;
if (DV.isTurnable()) {
if (scoords = calcSpheric(sd, getSelTime())) {
// var ra_hms = MUtil.deg2hms(scoords[0] * 180/Math.PI).join(':'),
// de_dms = MUtil.deg2dms(scoords[1] * 180/Math.PI).join(':');
DV.paintCoords(scoords);
}
} else if (dd) {
DV.paintCoords(dd);
}
infobox(ev);
};
DV.loadCarta(CONTINENTS);
//delete CONTINENTS;
DV.loadCarta([{0:'.Image', 1:'wrld'}]);
var merids = DV.createMeridians();
for(var i=0; i<merids.length; i++){
merids[i] = merids[i].slice(0,3); // -labels
}
DV.loadCarta(merids);
DV.loadCarta([['DotPort', 'Moscow', [[37.700,55.750]], 'Москва', null, 1]]);
// center pov
var pov = DV.mflood['DotPort_Moscow']['coords'][0],
pts = DV.toPoints(pov, true);
DV.centerCarta(pts[0] + DV.m.offset[0], pts[1] + DV.m.offset[1]);
delete DV.cfg.mapbg; // no draw map area
setSelTime();
proj();
};
init();
</script>
</body>
</html>