From 2c6e80a6010638fdaddf9b2d19f6995b2e89f394 Mon Sep 17 00:00:00 2001
From: itjope <itjope@users.noreply.github.com>
Date: Thu, 11 Oct 2018 12:50:51 +0200
Subject: [PATCH] Handle zoom slider position with floating point numbers

---
 src/ol/control/ZoomSlider.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/ol/control/ZoomSlider.js b/src/ol/control/ZoomSlider.js
index 9fb9d5982e..0132cf1893 100644
--- a/src/ol/control/ZoomSlider.js
+++ b/src/ol/control/ZoomSlider.js
@@ -260,8 +260,8 @@ class ZoomSlider extends Control {
   handleDraggerDrag_(event) {
     if (this.dragging_) {
       const element = /** @type {HTMLElement} */ (this.element.firstElementChild);
-      const deltaX = event.clientX - this.previousX_ + parseInt(element.style.left, 10);
-      const deltaY = event.clientY - this.previousY_ + parseInt(element.style.top, 10);
+      const deltaX = event.clientX - this.previousX_ + parseFloat(element.style.left, 10);
+      const deltaY = event.clientY - this.previousY_ + parseFloat(element.style.top, 10);
       const relativePosition = this.getRelativePosition_(deltaX, deltaY);
       this.currentResolution_ = this.getResolutionForPosition_(relativePosition);
       this.getMap().getView().setResolution(this.currentResolution_);