2024-02-14 13:20:33 +00:00
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<!doctype html>
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<html lang="en" style="height:100%;min-height:100%;">
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<head>
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<title>SDRangel ESASky</title>
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</head>
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<body style="margin:0;padding:0;height:100%;">
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<script type="text/javascript">
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var esaskyFrame;
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2024-02-16 16:31:12 +00:00
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var antennaHpbw = 5.0;
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var showAntenna = false;
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2024-02-14 13:20:33 +00:00
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// API reference: https://www.cosmos.esa.int/web/esdc/esasky-javascript-api
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function on_ready() {
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esaskyFrame = document.getElementsByClassName("iframe-container")[0].children[0];
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var cmd = { event: 'setModuleVisibility', content: { modules: { jwst_planning_button: false } } };
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esaskyFrame.contentWindow.postMessage(cmd, 'https://sky.esa.int');
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window.addEventListener("message", handleMessage);
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setTimeout(function () { reportReady(); }, 500); // Add a delay, otherwise subsequent commands to set grid seem to get lost
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// Can't access contentDocument due to same origin policy
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//console.log(esaskyFrame.contentDocument);
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//console.log("containers: " + esaskyFrame.contentDocument.getElementsByName("aladin-container"));
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// Report ra/dec/time
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// We don't use events, as they are too slow (view_changed is only sent after all data has been calculated)
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setInterval(function () { reportView(); }, 100);
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//setTimeout(function () { requestEvents(); }, 1000);
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}
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/*function requestEvents() {
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var cmd1 = { event: 'registerEventListener', content: {} };
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esaskyFrame.contentWindow.postMessage(cmd1, 'https://sky.esa.int');
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var cmd2 = { event: 'registerFoVChangedListener', content: {} };
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esaskyFrame.contentWindow.postMessage(cmd2, 'https://sky.esa.int');
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}*/
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// Use WebSockets for handling commands from SDRangel Plugin
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// and sending events back to it
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let socket = new WebSocket("ws://127.0.0.1:$WS_PORT$");
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socket.onmessage = function (event) {
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try {
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const command = JSON.parse(event.data);
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if (command.command == "setView") {
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var cmd = { event: 'goToRaDec', content: { ra: command.ra * 15.0, dec: command.dec } }; // Convert RA hours to decimal degrees
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esaskyFrame.contentWindow.postMessage(cmd, 'https://sky.esa.int');
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} else if (command.command == "setPosition") {
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// Not supported
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} else if (command.command == "setDateTime") {
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// Not supported
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} else if (command.command == "track") {
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var cmd = { event: 'goToTargetName', content: { targetName: command.name } };
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esaskyFrame.contentWindow.postMessage(cmd, 'https://sky.esa.int');
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} else if (command.command == "setBackground") {
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// Leave to its own GUI
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} else if (command.command == "showConstellations") {
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// Not supported
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} else if (command.command == "showReticle") {
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// Not supported
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} else if (command.command == "showGrid") {
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var cmd = { event: 'showCoordinateGrid', content: { show: command.show } };
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esaskyFrame.contentWindow.postMessage(cmd, 'https://sky.esa.int');
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} else if (command.command == "showAntennaFoV") {
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showAntenna = command.show;
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if (!showAntenna) {
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hideAntennaFoV();
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}
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} else if (command.command == "setAntennaFoV") {
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antennaHpbw = command.hpbw;
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} else {
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console.log(`Unknown command ${command.command}`);
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}
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} catch (e) {
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console.log(`Erroring processing received message:\n${e}\n${event.data}`);
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}
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};
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function reportReady() {
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console.log("reportReady " + socket.readyState);
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if (socket.readyState === 1) {
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socket.send(JSON.stringify({
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event: "ready"
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}));
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} else {
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setTimeout(reportReady, 100);
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}
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}
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function handleMessage(e) {
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//console.log(e);
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var data = e.data;
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if (data.origin == "esasky") {
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var ra, dec, fov;
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if (data.hasOwnProperty('event')) {
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if (data.event.action == "view_changed") {
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ra = data.event.values["ra"];
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dec = data.event.values["dec"];
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fov = data.event.values["fov"];
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}
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} else {
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ra = data.values["ra"];
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dec = data.values["dec"];
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fov = data.values["fov"];
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}
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//console.log("handleMessage esasky: " + ra + " " + dec + " " + fov);
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if (socket.readyState === 1) {
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socket.send(JSON.stringify({
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event: "view",
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ra: ra / 15.0, // convert decimal degrees to hours
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dec: dec,
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fov: fov
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}));
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}
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if (showAntenna) {
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showAntennaFoV(ra, dec);
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}
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}
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}
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function reportView() {
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if (socket.readyState === 1) {
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var cmd = { event: 'getCenter', content: { cooFrame: 'J2000' } };
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esaskyFrame.contentWindow.postMessage(cmd, 'https://sky.esa.int');
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}
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}
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function hideAntennaFoV() {
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var cmd = { event: 'deleteFootprintsOverlay', content: { 'overlayName': 'Antenna FoV' } };
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esaskyFrame.contentWindow.postMessage(cmd, 'https://sky.esa.int');
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}
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function showAntennaFoV(ra, dec) {
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var cmd =
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2024-02-16 16:31:12 +00:00
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{
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2024-02-14 13:20:33 +00:00
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event: 'overlayFootprints',
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2024-02-16 16:31:12 +00:00
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content: {
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'overlaySet':
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{
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'type': 'FootprintListOverlay',
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'overlayName': 'Antenna FoV',
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'cooframe': 'J2000',
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'color': 'white',
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'lineWidth': 5,
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'skyObjectList': [
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{
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'name': 'Antenna FoV',
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'id': 1,
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'stcs': 'CIRCLE J2000 ' + ra + ' ' + dec + ' ' + (antennaHpbw / 2.0),
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'ra_deg': ra,
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'dec_deg': dec
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}]
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}
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}
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2024-02-14 13:20:33 +00:00
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};
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esaskyFrame.contentWindow.postMessage(cmd, 'https://sky.esa.int');
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}
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</script>
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<div class="iframe-container" style="width: 100%; height: 100%">
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<iframe alt="" border="0" bordercolor="#000000" frameborder="0" height="" hspace="0" id="_ESAsky" longdesc="" name="_ESASky" onload="on_ready();" scrolling="auto" src="https://sky.esa.int?hide_welcome=true&&hide_banner_info=true" title="" vspace="0" width="100%" class="" style="height: 100%;">
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Frames not supported.
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</iframe>
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</div>
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</body >
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</html >
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