From b40892ec5e316a294bcd70f8f00151ff3c1eb92e Mon Sep 17 00:00:00 2001
From: dbauszus-glx <dennis.bauszus@geolytix.co.uk>
Date: Wed, 1 Nov 2023 12:22:20 +0000
Subject: [PATCH 1/2] Provide format:tiles source param

---
 lib/layer/format/tiles.mjs | 21 ++++++++++++++++-----
 1 file changed, 16 insertions(+), 5 deletions(-)

diff --git a/lib/layer/format/tiles.mjs b/lib/layer/format/tiles.mjs
index d76d1cba5..b37e2110e 100644
--- a/lib/layer/format/tiles.mjs
+++ b/lib/layer/format/tiles.mjs
@@ -1,11 +1,22 @@
+const sources = {
+  OSM: layer => new ol.source.OSM({
+    url: decodeURIComponent(layer.URI),
+    opaque: false,
+    transition: 0,
+  }),
+  XYZ: layer => new ol.source.OSM({
+    url: decodeURIComponent(layer.URI),
+    opaque: false,
+    transition: 0,
+  })
+}
+
 export default layer => {
 
+  layer.source ??= 'OSM'
+
   layer.L = new ol.layer.Tile({
-    source: new ol.source.OSM({
-      url: decodeURIComponent(layer.URI),
-      opaque: false,
-      transition: 0,
-    }),
+    source: sources[layer.source](layer),
     layer: layer,
     zIndex: layer.style?.zIndex || 0
   })

From 3ac8f06c1d16d0c5ba7a4999fff315fc410432fa Mon Sep 17 00:00:00 2001
From: dbauszus-glx <dennis.bauszus@geolytix.co.uk>
Date: Thu, 2 Nov 2023 11:39:15 +0000
Subject: [PATCH 2/2] optional source and projection param for tile layer.

---
 lib/layer/format/tiles.mjs | 21 +++++++--------------
 1 file changed, 7 insertions(+), 14 deletions(-)

diff --git a/lib/layer/format/tiles.mjs b/lib/layer/format/tiles.mjs
index b37e2110e..62af5a7bc 100644
--- a/lib/layer/format/tiles.mjs
+++ b/lib/layer/format/tiles.mjs
@@ -1,22 +1,15 @@
-const sources = {
-  OSM: layer => new ol.source.OSM({
-    url: decodeURIComponent(layer.URI),
-    opaque: false,
-    transition: 0,
-  }),
-  XYZ: layer => new ol.source.OSM({
-    url: decodeURIComponent(layer.URI),
-    opaque: false,
-    transition: 0,
-  })
-}
-
 export default layer => {
 
   layer.source ??= 'OSM'
 
+  layer.projection ??= 'EPSG:3857'
+
   layer.L = new ol.layer.Tile({
-    source: sources[layer.source](layer),
+    source: new ol.source[layer.source]({
+      projection: layer.projection,
+      url: decodeURIComponent(layer.URI),
+      transition: 0
+    }),
     layer: layer,
     zIndex: layer.style?.zIndex || 0
   })