Update

master/examples/wms-custom-proj.js

@@ -0,0 +1,61 @@
+goog.require('goog.debug.Console');
+goog.require('goog.debug.Logger');
+goog.require('goog.debug.Logger.Level');
+goog.require('ol.Collection');
+goog.require('ol.Coordinate');
+goog.require('ol.Map');
+goog.require('ol.Projection');
+goog.require('ol.source.TiledWMS');
+
+
+if (goog.DEBUG) {
+  goog.debug.Console.autoInstall();
+  goog.debug.Logger.getLogger('ol').setLevel(goog.debug.Logger.Level.INFO);
+}
+
+var epsg21781 = new ol.Projection('EPSG:21781', ol.ProjectionUnits.METERS,
+    // Validity extent from http://spatialreference.org
+    new ol.Extent(485869.5728, 76443.1884, 837076.5648, 299941.7864));
+ol.Projection.addProjection(epsg21781);
+
+var extent = new ol.Extent(420000, 30000, 900000, 350000);
+var layers = new ol.Collection([
+  new ol.layer.TileLayer({
+    source: new ol.source.TiledWMS({
+      url: 'http://wms.geo.admin.ch/?',
+      attributions: [new ol.Attribution(
+          '© ' +
+          '<a href="http://www.geo.admin.ch/internet/geoportal/en/home.html">' +
+          'Pixelmap 1:1000000 / geo.admin.ch</a>')],
+      crossOrigin: null,
+      params: {'LAYERS': 'ch.swisstopo.pixelkarte-farbe-pk1000.noscale'},
+      projection: epsg21781,
+      extent: extent
+    })
+  }),
+  new ol.layer.TileLayer({
+    source: new ol.source.TiledWMS({
+      url: 'http://wms.geo.admin.ch/?',
+      attributions: [new ol.Attribution(
+          '&copy; ' +
+          '<a href="http://www.geo.admin.ch/internet/geoportal/en/home.html">' +
+          'National parks / geo.admin.ch</a>')],
+      crossOrigin: null,
+      params: {'LAYERS': 'ch.bafu.schutzgebiete-paerke_nationaler_bedeutung'},
+      projection: epsg21781,
+      extent: extent
+    })
+  })
+]);
+
+var map = new ol.Map({
+  renderer: ol.RendererHint.DOM,
+  center: new ol.Coordinate(660000, 190000),
+  projection: epsg21781,
+  // By setting userProjection to the same as projection, we do not need
+  // proj4js because we do not need any transforms.
+  userProjection: epsg21781,
+  layers: layers,
+  target: 'map',
+  zoom: 9
+});