From 75ae8634f793af44910e5fefdb8048d843c7b840 Mon Sep 17 00:00:00 2001
From: mike-000 <49240900+mike-000@users.noreply.github.com>
Date: Sun, 28 Jun 2020 14:51:36 +0100
Subject: [PATCH] use 'source-over' to render edges

---
 src/ol/reproj.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/ol/reproj.js b/src/ol/reproj.js
index 6606b079d3..bedaa3d148 100644
--- a/src/ol/reproj.js
+++ b/src/ol/reproj.js
@@ -398,6 +398,7 @@ export function render(
   if (opt_renderEdges) {
     context.save();
 
+    context.globalCompositeOperation = 'source-over';
     context.strokeStyle = 'black';
     context.lineWidth = 1;