From 8766a5881112f0380c058910eaff50fa780262df Mon Sep 17 00:00:00 2001
From: Oliver Jowett <oliver@mutability.co.uk>
Date: Thu, 4 Aug 2016 21:19:31 +0100
Subject: [PATCH] Add a NEXRAD layer suggested in #135

---
 public_html/layers.js | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/public_html/layers.js b/public_html/layers.js
index 4e7e13e..28cd9e6 100644
--- a/public_html/layers.js
+++ b/public_html/layers.js
@@ -66,6 +66,18 @@ function createBaseLayers() {
                 }
         }
 
+        us.push(new ol.layer.Tile({
+                name: 'nexrad',
+                title: 'NEXRAD',
+                type: 'overlay',
+                source: new ol.source.XYZ({
+                        url : 'http://mesonet{1-3}.agron.iastate.edu/cache/tile.py/1.0.0/nexrad-n0q-900913/{z}/{x}/{y}.png',
+                        attributions: 'NEXRAD courtesy of <a href="http://mesonet.agron.iastate.edu/">IEM</a>'
+                }),
+                opacity: 0.5,
+                visible: false
+        }));
+
         if (world.length > 0) {
                 layers.push(new ol.layer.Group({
                         name: 'world',