add configuration snip to allow installation in webroot

99-tar1090-webroot.conf

@@ -0,0 +1,15 @@
+# serve tar1090 directly at / the web server root
+alias.url += (
+  "/data/" => "/run/dump1090-fa/",
+  "/chunks/" => "/run/tar1090/",
+  "/" => "/usr/local/share/tar1090/html/",
+)
+
+$HTTP["url"] =~ "^/chunks/chunk_.*gz$" {
+    setenv.add-response-header += (
+        "Access-Control-Allow-Origin" => "*",
+        "Cache-Control" => "must-revalidate",
+        "Content-Encoding" => "gzip",
+        "Content-Type" => "application/json",
+        )
+}

html/planeObject.js

@@ -264,10 +264,10 @@ PlaneObject.prototype.updateTrack = function(receiver_timestamp, last_timestamp)
 	if (
 		lastseg.ground != on_ground
 		|| (!on_ground && isNaN(alt_change))
-		|| (alt_change > 900 && this.altitude > 25000)
-		|| (alt_change > 700 && this.altitude <= 25000 && this.altitude > 9000)
+		|| (alt_change > 700 && this.altitude > 9000)
 		|| (alt_change > 500 && this.altitude <= 9000 && this.altitude > 4500)
 		|| (alt_change > 250 && this.altitude <= 4500)
+		|| (alt_change > 175 && this.altitude <= 2000)
 	) {
 		// Create a new segment as the ground state or the altitude changed.
 		// The new state is only drawn after the state has changed

uninstall.sh

@@ -13,6 +13,8 @@ rm -f /lib/systemd/system/tar1090.service
 
 rm -f /etc/lighttpd/conf-available/88-tar1090.conf
 rm -f /etc/lighttpd/conf-enabled/88-tar1090.conf
+rm -f /etc/lighttpd/conf-available/99-tar1090-webroot.conf
+rm -f /etc/lighttpd/conf-enabled/99-tar1090-webroot.conf
 
 
 systemctl daemon-reload