From 0401aed6e3c1d319aaa817ec73bab6054b486f99 Mon Sep 17 00:00:00 2001
From: Frederic Junod <frederic.junod@camptocamp.com>
Date: Mon, 11 Mar 2019 08:34:42 +0100
Subject: [PATCH] Add transition options to Stamen source

---
 src/ol/source/Stamen.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/ol/source/Stamen.js b/src/ol/source/Stamen.js
index 04f17bd558..0993ad3642 100644
--- a/src/ol/source/Stamen.js
+++ b/src/ol/source/Stamen.js
@@ -103,6 +103,8 @@ const ProviderConfig = {
  *   imageTile.getImage().src = src;
  * };
  * ```
+ * @property {number} [transition] Duration of the opacity transition for rendering.
+ * To disable the opacity transition, pass `transition: 0`.
  * @property {string} [url] URL template. Must include `{x}`, `{y}` or `{-y}`, and `{z}` placeholders.
  * @property {boolean} [wrapX=true] Whether to wrap the world horizontally.
  */
@@ -137,6 +139,7 @@ class Stamen extends XYZ {
       opaque: layerConfig.opaque,
       reprojectionErrorThreshold: options.reprojectionErrorThreshold,
       tileLoadFunction: options.tileLoadFunction,
+      transition: options.transition,
       url: url,
       wrapX: options.wrapX
     });