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mirror of https://github.com/f4exb/sdrangel.git synced 2024-11-05 16:31:15 -05:00
sdrangel/plugins/feature/skymap/html/aladin.html
2024-02-14 13:20:33 +00:00

167 lines
6.2 KiB
HTML

<!doctype html>
<html lang="en" style="height:100%;min-height:100%;">
<head>
<title>SDRangel Aladin</title>
<style>
.aladin-fov {
display: none;
visibility: hidden
}
.aladin-location {
display: none;
visibility: hidden
}
</style>
</head>
<body style="margin:0;padding:0;height:100%;">
<div id="aladin-lite-div" style="width:100%;height:100%;"></div>
<script type="text/javascript" src="https://aladin.cds.unistra.fr/AladinLite/api/v3/latest/aladin.js" charset="utf-8"></script>
<script type="text/javascript">
let aladin;
A.init.then(() => {
// Create Aladin
aladin = A.aladin('#aladin-lite-div', {
survey: "P/DSS2/color",
fov: 60,
showProjectionControl: false,
showFrame: false,
fullScreen: true, // fullScreen in terms of the div element, not the entire monitor
showFullscreenControl: false,
showGotoControl: false,
showZoomControl: false,
showSimbadPointerControl: true,
showContextMenu: true
});
// Load some catalogs, but don't show them - displayLabel doesn't seem to work for these ProgressiveCat only Catalog
let hips = A.catalogHiPS('https://axel.u-strasbg.fr/HiPSCatService/Simbad', { onClick: 'showTable', name: 'Simbad' });
hips.isShowing = false;
aladin.addCatalog(hips);
hips = A.catalogHiPS('http://axel.u-strasbg.fr/HiPSCatService/I/345/gaia2', { onClick: 'showTable', color: 'orange', name: 'Gaia' });
hips.isShowing = false;
aladin.addCatalog(hips);
// Report ra/dec/time
setInterval(function () { reportView(); }, 100);
reportReady();
});
// Stop browser popup menu from appearing over the top of the Aladin menu
document.addEventListener('contextmenu', event => event.preventDefault());
</script>
<script type="text/javascript">
// Use WebSockets for handling commands from SDRangel Plugin
// and sending events back to it
let socket = new WebSocket("ws://127.0.0.1:$WS_PORT$");
var antennaHpbw = 5.0;
var antennaOverlay;
var antennaCircle;
socket.onmessage = function (event) {
try {
const command = JSON.parse(event.data);
if (command.command == "setView") {
aladin.gotoRaDec(command.ra * 15.0, command.dec); // Convert RA from hours to degrees, J2000
} else if (command.command == "setPosition") {
// Not supported
} else if (command.command == "projection") {
aladin.setProjection(command.projection);
} else if (command.command == "setDateTime") {
// Not supported
} else if (command.command == "track") {
aladin.gotoObject(command.name);
} else if (command.command == "setBackground") {
aladin.setImageSurvey(command.background);
} else if (command.command == "setProjection") {
aladin.setProjection(command.projection);
} else if (command.command == "showNames") {
for (var i = 0; i < aladin.view.catalogs.length; i++) {
aladin.view.catalogs[i].displayLabel = command.show;
}
aladin.view.requestRedraw();
} else if (command.command == "showConstellations") {
// Not supported
} else if (command.command == "showReticle") {
aladin.showReticle(command.show);
} else if (command.command == "showGrid") {
if (command.show) {
aladin.showCooGrid();
} else {
aladin.hideCooGrid();
}
} else if (command.command == "showAntennaFoV") {
if (command.show) {
showAntennaFoV();
} else {
hideAntennaFoV();
}
} else if (command.command == "setAntennaFoV") {
antennaHpbw = command.hpbw;
if (antennaCircle) {
antennaCircle.setRadius(antennaHpbw);
}
} else {
console.log(`Unknown command ${command.command}`);
}
} catch (e) {
console.log(`Erroring processing received message:\n${e}\n${event.data}`);
}
};
function createAntennaFoV() {
antennaOverlay = A.graphicOverlay({ color: '#ffffff', lineWidth: 1 });
aladin.addOverlay(antennaOverlay);
const [ra, dec] = aladin.getRaDec();
antennaCircle = A.circle(ra, dec, antennaHpbw);
antennaOverlay.add(antennaCircle);
}
function showAntennaFoV() {
antennaCircle.show();
}
function hideAntennaFoV() {
antennaCircle.hide();
}
function reportReady() {
console.log("reportReady " + socket.readyState);
createAntennaFoV();
if (socket.readyState === 1) {
socket.send(JSON.stringify({
event: "ready"
}));
} else {
setTimeout(reportReady, 100);
}
}
function reportView() {
if (socket.readyState === 1) {
const [ra, dec] = aladin.getRaDec();
const [fovX, fovY] = aladin.getFov();
socket.send(JSON.stringify({
event: "view",
ra: ra / 15.0, // Convert RA from degrees to hours
dec: dec,
fov: fovX
}));
antennaCircle.setCenter([ra, dec]);
}
}
</script>
</body>
</html>