Rendering raster tiles with WebGL

examples/cog.js

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+import GeoTIFF from '../src/ol/source/GeoTIFF.js';
+import Map from '../src/ol/Map.js';
+import Projection from '../src/ol/proj/Projection.js';
+import TileLayer from '../src/ol/layer/WebGLTile.js';
+import View from '../src/ol/View.js';
+import proj4 from 'proj4';
+import {getCenter} from '../src/ol/extent.js';
+import {register} from '../src/ol/proj/proj4.js';
+
+proj4.defs('EPSG:32636', '+proj=utm +zone=36 +datum=WGS84 +units=m +no_defs');
+register(proj4);
+
+const projection = new Projection({
+  code: 'EPSG:32636',
+  extent: [166021.44, 0.0, 534994.66, 9329005.18],
+});
+
+// metadata from https://s3.us-west-2.amazonaws.com/sentinel-cogs/sentinel-s2-l2a-cogs/2020/S2A_36QWD_20200701_0_L2A/S2A_36QWD_20200701_0_L2A.json
+const sourceExtent = [499980, 1790220, 609780, 1900020];
+
+const map = new Map({
+  target: 'map',
+  layers: [
+    new TileLayer({
+      source: new GeoTIFF({
+        sources: [
+          {
+            url:
+              'https://sentinel-cogs.s3.us-west-2.amazonaws.com/sentinel-s2-l2a-cogs/2020/S2A_36QWD_20200701_0_L2A/TCI.tif',
+            nodata: 0,
+          },
+        ],
+      }),
+      extent: sourceExtent,
+    }),
+  ],
+  view: new View({
+    center: getCenter(sourceExtent),
+    extent: sourceExtent,
+    zoom: 9,
+    projection: projection,
+  }),
+});