From 5401e1154d078e9e7b582e1d80dd814d13479cf7 Mon Sep 17 00:00:00 2001
From: Matthias Wirth <matthias.wirth@gmail.com>
Date: Sat, 1 Apr 2023 16:01:13 +0200
Subject: [PATCH] add URL query parameters for range rings / alt chart

implements: https://github.com/wiedehopf/tar1090/pull/235
---
 README-query.md  |  2 ++
 html/config.js   |  3 +++
 html/defaults.js |  2 ++
 html/script.js   | 10 +++++++++-
 4 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/README-query.md b/README-query.md
index 259bbfe..1f00165 100644
--- a/README-query.md
+++ b/README-query.md
@@ -61,6 +61,8 @@ See the main readme for more examples 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
+- rangeRings=0,1 - 0 or 1 to enable or disable
+- altitudeChart=0,1 - 0 or 1 to enable or disable
 - SiteLat=45.0 SiteLon=10.0 - Override the receiver location for this visit
 
 ## Toggles
diff --git a/html/config.js b/html/config.js
index 31fcdfd..9034fc7 100644
--- a/html/config.js
+++ b/html/config.js
@@ -108,6 +108,9 @@
 // constant html color for markers / tracks
 //monochromeMarkers = "#FFFFFF";
 //monochromeTracks = "#000000";
+//
+
+// altitudeChartDefaultState = true;
 
 // These settings control the coloring of aircraft by altitude.
 // All color values are given as Hue (0-359) / Saturation (0-100) / Lightness (0-100)
diff --git a/html/defaults.js b/html/defaults.js
index 4a93b0e..333597e 100644
--- a/html/defaults.js
+++ b/html/defaults.js
@@ -92,6 +92,8 @@ let outlineWidth = 1;
 let monochromeMarkers = null;
 let monochromeTracks = null;
 
+let altitudeChartDefaultState = true;
+
 // These settings control the coloring of aircraft by altitude.
 // All color values are given as Hue (0-359) / Saturation (0-100) / Lightness (0-100)
 let ColorByAlt = {
diff --git a/html/script.js b/html/script.js
index b236216..01a4670 100644
--- a/html/script.js
+++ b/html/script.js
@@ -775,6 +775,10 @@ function initPage() {
         enableLabels=true;
     }
 
+    if (usp.has('rangeRings')) {
+        SiteCircles = Boolean(parseInt(usp.get('rangeRings')));
+    }
+
     if (usp.has('limitUpdates')) {
         let tmp = parseInt(usp.get('limitUpdates'));
         if (!isNaN(tmp))
@@ -4559,11 +4563,15 @@ function invertMap(evt){
     }
 
     altitudeChart.init = function () {
+        let chartOn = (onMobile ? false : altitudeChartDefaultState);
+        if (usp.has('altitudeChart')) {
+            chartOn = Boolean(parseInt(usp.get('altitudeChart')));
+        }
         new Toggle({
             key: "altitudeChart",
             display: "Altitude Chart",
             container: "#settingsRight",
-            init: (onMobile ? false : true),
+            init: chartOn,
             setState: altitudeChart.render
         });
     }