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Merge pull request #318 from luarvique/map_distance

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Adding distance display to the info windows.
This commit is contained in:
Jakob Ketterl 2022-10-04 16:32:09 +02:00 committed by GitHub
commit 271bd723bc
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1 changed files with 29 additions and 6 deletions
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35
htdocs/map.js
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@ -342,17 +342,34 @@ $(function(){
delete infowindow.locator;
delete infowindow.callsign;
return infowindow;
}
};
var linkifyCallsign = function(callsign) {
if ((callsign_url == null) || (callsign_url == ''))
return callsign;
else
return '<a target="callsign_info" href="' +
callsign_url.replaceAll('{}', callsign) +
callsign_url.replaceAll('{}', callsign.replace(new RegExp('-.*$'), '')) +
'">' + callsign + '</a>';
};
var distanceKm = function(p1, p2) {
// Earth radius in km
var R = 6371.0;
// Convert degrees to radians
var rlat1 = p1.lat() * (Math.PI/180);
var rlat2 = p2.lat() * (Math.PI/180);
// Compute difference in radians
var difflat = rlat2-rlat1;
var difflon = (p2.lng()-p1.lng()) * (Math.PI/180);
// Compute distance
d = 2 * R * Math.asin(Math.sqrt(
Math.sin(difflat/2) * Math.sin(difflat/2) +
Math.cos(rlat1) * Math.cos(rlat2) * Math.sin(difflon/2) * Math.sin(difflon/2)
));
return Math.round(d);
};
var infowindow;
var showLocatorInfoWindow = function(locator, pos) {
var infowindow = getInfoWindow();
@ -364,8 +381,10 @@ $(function(){
}).sort(function(a, b){
return b.lastseen - a.lastseen;
});
var distance = receiverMarker?
" at " + distanceKm(receiverMarker.position, pos) + " km" : "";
infowindow.setContent(
'<h3>Locator: ' + locator + '</h3>' +
'<h3>Locator: ' + locator + distance + '</h3>' +
'<div>Active Callsigns:</div>' +
'<ul>' +
inLocator.map(function(i){
@ -387,16 +406,20 @@ $(function(){
var marker = markers[callsign];
var timestring = moment(marker.lastseen).fromNow();
var commentString = "";
var distance = "";
if (marker.comment) {
commentString = '<div>' + marker.comment + '</div>';
}
if (receiverMarker) {
distance = " at " + distanceKm(receiverMarker.position, marker.position) + " km";
}
infowindow.setContent(
'<h3>' + linkifyCallsign(callsign) + '</h3>' +
'<h3>' + linkifyCallsign(callsign) + distance + '</h3>' +
'<div>' + timestring + ' using ' + marker.mode + ( marker.band ? ' on ' + marker.band : '' ) + '</div>' +
commentString
);
infowindow.open(map, marker);
}
};
var showReceiverInfoWindow = function(marker) {
var infowindow = getInfoWindow()
@ -405,7 +428,7 @@ $(function(){
'<div>Receiver location</div>'
);
infowindow.open(map, marker);
}
};
var getScale = function(lastseen) {
var age = new Date().getTime() - lastseen;