Merge pull request #8352 from AnalyticalGraphicsInc/fix-wmts-sandcastle

Fix broken URL in WMTS + time Sandcastle

Apps/Sandcastle/gallery/Web Map Tile Service with Time.html

@@ -47,20 +47,22 @@
     dataCallback: dataCallback
 });
 
-// Add a WMTS imagery layer
+// Add a WMTS imagery layer.
+// This comes from NASA's GIBS API.
+// See https://wiki.earthdata.nasa.gov/display/GIBS/GIBS+API+for+Developers#GIBSAPIforDevelopers-OGCWebMapService(WMS)
 var provider = new Cesium.WebMapTileServiceImageryProvider({
-    url : 'https://gibs.earthdata.nasa.gov/wmts/epsg4326/best/AMSR2_Snow_Water_Equivalent/default/{Time}/{TileMatrixSet}/{TileMatrix}/{TileRow}/{TileCol}.png',
-    layer : 'AMSR2_Snow_Water_Equivalent',
+    url : 'https://gibs.earthdata.nasa.gov/wmts/epsg4326/best/MODIS_Terra_CorrectedReflectance_TrueColor/default/{Time}/{TileMatrixSet}/{TileMatrix}/{TileRow}/{TileCol}.jpg',
+    layer : 'MODIS_Terra_CorrectedReflectance_TrueColor',
     style : 'default',
-    tileMatrixSetID : '2km',
+    tileMatrixSetID : '250m',
     maximumLevel : 5,
-    format : 'image/png',
+    format : 'image/jpeg',
     clock: viewer.clock,
     times: times,
     credit : 'NASA Global Imagery Browse Services for EOSDIS'
 });
 var imageryLayers = viewer.imageryLayers;
-imageryLayers.addImageryProvider(provider);
+var layer = imageryLayers.addImageryProvider(provider);
 provider.readyPromise
     .then(function() {
         var start = Cesium.JulianDate.fromIso8601('2015-07-30');
@@ -73,7 +75,9 @@
         clock.stopTime = stop;
         clock.currentTime = start;
         clock.clockRange = Cesium.ClockRange.LOOP_STOP;
-        clock.multiplier = 86400;
+        clock.multiplier = 7200;
+        // Make the weather layer semi-transparent to see the underlying geography.
+        layer.alpha = 0.5;
     });
 //Sandcastle_End
     Sandcastle.finishedLoading();