From 8a04f5059ded2756a7585985a2de5ba19dbf5c86 Mon Sep 17 00:00:00 2001
From: mike-000 <49240900+mike-000@users.noreply.github.com>
Date: Tue, 1 Oct 2019 15:47:36 +0100
Subject: [PATCH 1/2] Remove offsets from mouse position calculation

Fixes #10073

Remove unneeded offsets from mouse position calculation as box position was centered in #9919
---
 src/ol/control/OverviewMap.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/ol/control/OverviewMap.js b/src/ol/control/OverviewMap.js
index dce58e34bc..326953fcfe 100644
--- a/src/ol/control/OverviewMap.js
+++ b/src/ol/control/OverviewMap.js
@@ -216,8 +216,8 @@ class OverviewMap extends Control {
 
     const computeDesiredMousePosition = function(mousePosition) {
       return {
-        clientX: mousePosition.clientX - (overlayBox.offsetWidth / 2),
-        clientY: mousePosition.clientY + (overlayBox.offsetHeight / 2)
+        clientX: mousePosition.clientX,
+        clientY: mousePosition.clientY 
       };
     };
 

From 4f83392b7668ede7e1fe6abeff2ed0ab196a20fc Mon Sep 17 00:00:00 2001
From: mike-000 <49240900+mike-000@users.noreply.github.com>
Date: Tue, 1 Oct 2019 15:55:30 +0100
Subject: [PATCH 2/2] Remove offsets from mouse position calculation

and remove space
---
 src/ol/control/OverviewMap.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ol/control/OverviewMap.js b/src/ol/control/OverviewMap.js
index 326953fcfe..6b0684938d 100644
--- a/src/ol/control/OverviewMap.js
+++ b/src/ol/control/OverviewMap.js
@@ -217,7 +217,7 @@ class OverviewMap extends Control {
     const computeDesiredMousePosition = function(mousePosition) {
       return {
         clientX: mousePosition.clientX,
-        clientY: mousePosition.clientY 
+        clientY: mousePosition.clientY
       };
     };