fix default sorting

fixes: https://github.com/wiedehopf/tar1090/issues/199

README-query.md

@@ -22,6 +22,8 @@
 - filterIcao=^a - filter icao that start with a
 - filterSources=adsb,uat,adsr,mlat,tisb,modeS - filter palnes by source type.
 - filterDbFlag=military,pia,ladd - filter planes by the db flags.
+- sortBy=column - (possible values: icao, flag, flight, registration, aircraft_type, squawk, altitude, speed, vert_rate, distance, track, msgs, seen, rssi, lat, lon, data_source, military, ws, wd
+- sortByReverse - reverse the sorting specified using sortBy
 
 See the main readme for more exapmles on how to use the filters
 
@@ -57,6 +59,7 @@ See the main readme for more exapmles on how to use the filters
 - nowebgl - force rendering without WebGL.
 - tableInView - button V / only show aircraft in view in the table
 - screenshot - For automatic screenshotting, disables updates after the first load of all aircraft in view
+- SiteLat=45.0 SiteLon=10.0 - Override the receiver location for this visit
 
 ## Toggles
 

html/script.js

@@ -6317,8 +6317,8 @@ function geoFindMe() {
     }
 }
 
+let initSitePosFirstRun = true;
 function initSitePos() {
-    let lastSitePosition = SitePosition;
     // Set SitePosition
     if (SiteLat != null && SiteLon != null) {
         SitePosition = [SiteLon, SiteLat];
@@ -6329,8 +6329,15 @@ function initSitePos() {
         TAR.planeMan.setColumnVis('distance', false);
     }
 
-    if (!lastSitePosition) {
-        if (SitePosition) {
+    if (initSitePosFirstRun && SitePosition) {
+        initSitePosFirstRun = false;
+        const sortBy = usp.get('sortBy');
+        if (sortBy) {
+            TAR.planeMan.cols[sortBy].sort();
+            if (usp.has('sortByReverse')) {
+                TAR.planeMan.cols[sortBy].sort();
+            }
+        } else if (SitePosition) {
             TAR.planeMan.cols.distance.sort();
         } else {
             TAR.planeMan.cols.altitude.sort();