feature: Add bboxUrlPrecision parameter

src/Provider/URLBuilder.js

@@ -94,7 +94,7 @@ export default {
      * @return {string} the formed url
      */
     bbox: function bbox(bbox, source) {
-        const precision = source.crs == 'EPSG:4326' ? 9 : 2;
+        const precision = ((source.bboxUrlPrecision === undefined) && (source.crs == 'EPSG:4326')) ? 9 : source.bboxUrlPrecision;
         bbox.as(source.crs, extent);
         const w = extent.west.toFixed(precision);
         const s = extent.south.toFixed(precision);

src/Source/Source.js

@@ -104,6 +104,7 @@ let uid = 0;
  * @property {string} crs - The crs projection of the resources.
  * @property {string} attribution - The intellectual property rights for the
  * resources.
+ * @property {string} bboxUrlPrecision - The bbox decimal precision used in URL
  * @property {Extent} extent - The extent of the resources.
  * @property {function} parser - The method used to parse the resources attached
  * to the layer. iTowns provides some parsers, visible in the `Parser/` folder.
@@ -145,6 +146,7 @@ class Source extends InformationsData {
         this.isVectorSource = (source.parser || supportedParsers.get(source.format)) != undefined;
         this.networkOptions = source.networkOptions || { crossOrigin: 'anonymous' };
         this.attribution = source.attribution;
+        this.bboxUrlPrecision = source.bboxUrlPrecision === undefined ? 2 : source.bboxUrlPrecision;
         this.whenReady = Promise.resolve();
         this._featuresCaches = {};
         if (source.extent && !(source.extent.isExtent)) {

test/unit/provider_url.js

@@ -29,6 +29,16 @@ describe('URL creations', function () {
         assert.equal(result, 'http://server.geo/wms/BBOX=12.000000000,14.000000000,35.000000000,46.000000000&FORMAT=jpg&SERVICE=WMS');
     });
 
+    it('should correctly replace %bbox by 12.1235,14.9876,35.4589,46.9877', function () {
+        const extent = new Extent('EPSG:4326', 12.123466, 14.98764, 35.45898, 46.987674);
+        layer.crs = 'EPSG:4326';
+        layer.axisOrder = 'wesn';
+        layer.url = 'http://server.geo/wms/BBOX=%bbox&FORMAT=jpg&SERVICE=WMS';
+        layer.bboxUrlPrecision = 4;
+        const result = URLBuilder.bbox(extent, layer);
+        assert.equal(result, 'http://server.geo/wms/BBOX=12.1235,14.9876,35.4590,46.9877&FORMAT=jpg&SERVICE=WMS');
+    });
+
     it('shouldn\'t use the scientific notation', function () {
         const extent = new Extent('EPSG:4326', 1 / 9999999999, 14, 35, 46);
         layer.crs = 'EPSG:4326';