1 files changed, 56 insertions, 0 deletions
diff --git a/web/js/map-wmts-base.js b/web/js/map-wmts-base.js
new file mode 100644
index 000000000..c60afe4e1
--- /dev/null
+++ b/web/js/map-wmts-base.js
@@ -0,0 +1,56 @@
+// Functionality required by all OpenLayers WMTS base maps
+
+function setup_wmts_base_map() {
+    fixmystreet.map_type = OpenLayers.Layer.WMTS;
+
+    // Set DPI - default is 72
+    OpenLayers.DOTS_PER_INCH = fixmystreet.wmts_config.tile_dpi;
+
+    fixmystreet.map_options = {
+        maxExtent: layer_bounds,
+        units: 'm',
+        scales: fixmystreet.wmts_config.scales
+    };
+
+    fixmystreet.layer_options = [];
+    fixmystreet.wmts_config.layer_names.forEach(function(v, i) {
+        fixmystreet.layer_options.push({
+            projection: new OpenLayers.Projection(fixmystreet.wmts_config.map_projection),
+            name: fixmystreet.wmts_config.layer_names[i],
+            layer: fixmystreet.wmts_config.layer_names[i],
+            formatSuffix: fixmystreet.wmts_config.tile_suffix.replace(".", ""),
+            matrixSet: fixmystreet.wmts_config.matrix_set,
+            requestEncoding: "REST",
+            url: fixmystreet.wmts_config.tile_urls[i],
+            style: fixmystreet.wmts_config.layer_style,
+            matrixIds: matrix_ids,
+            tileOrigin: new OpenLayers.LonLat(fixmystreet.wmts_config.origin_x, fixmystreet.wmts_config.origin_y)
+        });
+    });
+
+    // Give main code a new bbox_strategy that translates between
+    // lat/lon and our WMTS layer's coordinates
+    fixmystreet.bbox_strategy = new OpenLayers.Strategy.ReprojectBBOX({
+        ratio: 1
+    });
+}
+
+OpenLayers.Strategy.ReprojectBBOX = OpenLayers.Class(OpenLayers.Strategy.BBOX, {
+    getMapBounds: function() {
+        // Get the map bounds but return them in lat/lon, not
+        // local coordinates
+        if (this.layer.map === null) {
+            return null;
+        }
+
+        var localBounds = this.layer.map.getExtent();
+        // Transform bound corners into WGS84
+        localBounds.transform( new OpenLayers.Projection(fixmystreet.wmts_config.map_projection), new OpenLayers.Projection("EPSG:4326") );
+        return localBounds;
+    },
+
+    CLASS_NAME: "OpenLayers.Strategy.ReprojectBBOX"
+});
+
+
+// 
+\ No newline at end of file