From fb3e8bf7012ab5a447254798038425fc259744c7 Mon Sep 17 00:00:00 2001
From: gluap <github@pgoergen.de>
Date: Mon, 10 Apr 2023 13:10:03 +0200
Subject: [PATCH] log10(0) is not defined - also: make region borders less
 intrusive for depending on number of events. As it was, it was hard to see
 the underlying geography.

---
 frontend/src/mapstyles/index.js | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/frontend/src/mapstyles/index.js b/frontend/src/mapstyles/index.js
index ee86032..e484359 100644
--- a/frontend/src/mapstyles/index.js
+++ b/frontend/src/mapstyles/index.js
@@ -163,7 +163,7 @@ export const getRegionLayers = (
       "fill-opacity": [
         "interpolate",
         ["linear"],
-        ["log10", ["get", "overtaking_event_count"]],
+        ["log10", ["max",["get", "overtaking_event_count"],1]],
         0,
         0,
         Math.log10(maxValue),
@@ -180,7 +180,15 @@ export const getRegionLayers = (
     maxzoom: 10,
     // filter: [">", "overtaking_event_count", 0],
     paint: {
-      "line-width": 1,
+      "line-width": [
+        "interpolate",
+        ["linear"],
+        ["log10", ["max",["get", "overtaking_event_count"],1]],
+        0,
+        0.2,
+        Math.log10(maxValue),
+        1.5,
+      ],
       "line-color": baseColor,
     },
     layout: {