Front-end mostly working. Some small bugs.

satnogs.py

@@ -11,6 +11,7 @@ app = Flask(__name__)
 
 
 Passes = []
+Occuring_sats = {}
 Stations = []
 TLEs = {}
 
@@ -101,9 +102,16 @@ def GetGroundStations():
 @scheduler.scheduled_job('interval',minutes=3)        
 def updatePasses():
     global Passes
+    global Occuring_sats
     print "Updating Passes"
     Passes = getActive()
-    
+    Occuring_sats = {}
+    for x in Passes:
+        if x.satellite['norad_cat_id'] not in TLEs.keys():
+            q = fetch_tle_of_observation(x.id)
+            TLEs[ x.norad ] = [str(x.satellite["name"]),str(q[0]),str(q[1])]
+        Occuring_sats[x.norad] = TLEs[x.norad]
+        
 @scheduler.scheduled_job('interval',hours=1)   
 def updateStations():
     global Stations
@@ -121,7 +129,7 @@ def updateTLE():
     satnogs_db_norad_ids = satnogs_db_norad_ids - temporary_norad_ids
 
     # Fetch TLEs for the satellites of interest
-    print satnogs_db_norad_ids
+    
     tles = fetch_tles(satnogs_db_norad_ids)
     TLEs = {}
     for norad_id, (source, tle) in tles.items():
@@ -139,7 +147,7 @@ def map_view():
 def api_active_stations():
     sations = []
     for x in Stations:
-        sations.append([x["name"],{"lat":x["lat"],"lng":x["lng"]}])
+        sations.append({'id':x['id'],'name':x['name'],'lat_lng':[x["lat"],x['lng']]})
     return json.dumps(sations) 
     
 @app.route('/stations_from_sat/<string:norad>')
@@ -153,14 +161,7 @@ def api_occuring_observations(norad):
     
 @app.route('/occuring_sats')
 def api_occuring_sats():
-    tle = {}
+    return json.dumps(Occuring_sats)
-    for x in Passes:
-        if x.satellite['norad_cat_id'] not in TLEs.keys():
-            q = fetch_tle_of_observation(x.id)
-            TLEs[ x.norad ] = [str(x.satellite["name"]),str(q[0]),str(q[1])]
-        tle[x.norad] = TLEs[x.norad]
-
-    return json.dumps(tle)
     
 
     

static/Worker.js

@@ -1,16 +1,44 @@
-importScripts("https://bundle.run/satellite.js@3.0.0")
+self.importScripts("satellite.js");
 
-norad = 0
+norad = ""
-passes = []
+groundStations = []
 TLE = []
 
 onmessage = function(e) {
-  if(e[0] == 1){
+    norad = e.data[0]
-     norad = e[1]
+    TLE = e.data[1]
-     TLE = e[2]
+    getStations()
-     passes = e[3]
+}
-  }
+
-  var workerResult = 'Result: ' + (e.data[0] * e.data[1]);
+setInterval(function(){ 
-  console.log('Posting message back to main script');
+    getStations()
-  postMessage(workerResult);
+}, 20000);
-}
+
+setInterval(function(){ 
+    var satrec = self.satellite_js.twoline2satrec(TLE[1],TLE[2]);
+    var gmst = self.satellite_js.gstime(new Date());
+    var positionAndVelocity = self.satellite_js.propagate(satrec, new Date());
+    var positionEci = positionAndVelocity.position
+    var positionGd    = self.satellite_js.eciToGeodetic(positionEci, gmst)
+    var longitude = positionGd.longitude
+    var latitude  = positionGd.latitude
+    
+    postMessage([norad,TLE[0],[degress(latitude),degress(longitude)],groundStations])
+    
+    
+}, 500);
+
+function getStations(){
+var xhttp = new XMLHttpRequest();
+  xhttp.onreadystatechange = function() {
+    if (this.readyState == 4 && this.status == 200) {
+     groundStations = JSON.parse(this.responseText);
+    }
+  };
+  xhttp.open("GET", "/stations_from_sat/"+norad, true);
+  xhttp.send();
+}
+
+function degress (radians) {
+  return radians * 180 / Math.PI;
+};

templates/map.html

@@ -31,7 +31,7 @@
 
 
 <script>
-
+test = null
 var light_sat = L.icon({
     iconUrl: 'static/satellite-marker-light.png',
     iconSize: [40, 40],
@@ -71,24 +71,71 @@ var active_station = L.icon({
     id: 'mapbox.streets',
     accessToken: 'pk.eyJ1IjoiY2hpYmlsbCIsImEiOiJjamxsNHBuZG4wdG1uM3FwYTN5c2ZubmxrIn0.ghkx6AngBzUiZQWBAWKziQ'
 }).addTo(mymap);
+var t = L.terminator();
+t.addTo(mymap);
+setInterval(function(){updateTerminator(t)}, 500);
+function updateTerminator(t) {
+  var t2 = L.terminator();
+  t.setLatLngs(t2.getLatLngs());
+  t.redraw();
+}
 
+Stations = {}
+Workers = {}
+Lines = {}
+Sats = {}
 
-Stations = []
+dataS = null
-
 function UpdateMap(e) {
-    var satPos = e[0]
+    var norad = e.data[0]
-    var links = e[1]
+    var name = e.data[1]
+    var satPos = e.data[2]
+    if (norad in Sats){
+        
+    }else{
+        Sats[norad] = L.marker(satPos,{icon: dark_sat,zIndexOffset:1000}).addTo(mymap);
+        Sats[norad].bindPopup("<b>Name: "+name+"</b><br><b>Norad: "+norad+"</b>");   
+        Lines[norad] = {}
+        e.data[3].forEach(function(x){
+        Lines[norad][x] = new L.Polyline([[Stations[x]._latlng.lat,Stations[x]._latlng.lng],[satPos[0],satPos[1]]], {color: '#'+norad.toString(16).repeat(2).substr(0,6),weight: 3,opacity: 1,smoothFactor: 1});
+        Lines[norad][x].addTo(mymap)
+        });
+    }
+    Sats[norad]._latlng = {"lat":satPos[0],"lng":satPos[1]}
+    Sats[norad].update()
+    Object.keys(Lines[norad]).forEach(function(x){
+        if (x in e){
+            Lines[norad][x]._latlngs[1]= {"lat":satPos[0],"lng":satPos[1]}
+            Lines[norad][x].update()
+        }else{
+            Lines[norad][x].removeFrom(mymap)
+            delete Lines[norad][x]
+        }
+    })
+    
+    
+   
 }
 
     $.get("/active_stations", function(data, status){
         data = JSON.parse(data)
-        Object.keys(data).forEach(function(x){
+        dataS = data
-            marker = L.marker(x[1],{icon: station,zIndexOffset:-1000}).addTo(mymap);
+        data.forEach(function(x){
-            marker.bindPopup("<b>Name: "+x[2]+"</b>")
+            
-           
+            marker = L.marker(x["lat_lng"],{icon: station,zIndexOffset:-1000}).addTo(mymap);
+            marker.bindPopup("<b>Name: "+x['name']+"</b>")
+            Stations[x["id"]] = marker
         });
         });
 
+    $.get("/occuring_sats", function(data, status){
+        data = JSON.parse(data)
+        Object.keys(data).forEach(function(x){
+            worker = new Worker('/static/Worker.js');
+            worker.onmessage = UpdateMap
+            worker.postMessage([x,data[x]]);
+        });
+        });
             
             //marker = L.marker(data[key]["lat_lng"],{icon: sat,zIndexOffset:1000}).addTo(mymap);
             //marker.bindPopup("<b>Name: "+data[key]["name"]+"</b><br><b>Norad: "+key+"</b><br><b>Eclipsed?: "+data[key]["eclipsed"]);