Rename wms.js to wmssource.js

2013-04-16 19:15:00 +02:00
parent 4e911fc34b
commit a68656ad33
2 changed files with 0 additions and 0 deletions
@@ -0,0 +1,42 @@
+goog.provide('ol.source.wms');
+
+goog.require('goog.object');
+goog.require('goog.uri.utils');
+
+
+/**
+ * @param {string} baseUrl WMS base url.
+ * @param {Object.<string, string|number>} params Request parameters.
+ * @param {ol.Extent} extent Extent.
+ * @param {ol.Size} size Size.
+ * @param {ol.Projection} projection Projection.
+ * @return {string} WMS GetMap request URL.
+ */
+ol.source.wms.getUrl =
+    function(baseUrl, params, extent, size, projection) {
+  var baseParams = {
+    'SERVICE': 'WMS',
+    'VERSION': '1.3.0',
+    'REQUEST': 'GetMap',
+    'FORMAT': 'image/png',
+    'TRANSPARENT': true,
+    'WIDTH': Math.round(size.width),
+    'HEIGHT': Math.round(size.height)
+  };
+  goog.object.extend(baseParams, params);
+
+  //TODO: Provide our own appendParams function to avoid this empty string hack
+  var stylesParam = 'STYLES';
+  baseParams[stylesParam] = params[stylesParam] || new String('');
+
+  var wms13 = baseParams['VERSION'] > '1.3';
+  baseParams[wms13 ? 'CRS' : 'SRS'] = projection.getCode();
+
+  var axisOrientation = projection.getAxisOrientation();
+  var bboxValues = (wms13 && axisOrientation.substr(0, 2) == 'ne') ?
+      [extent.minY, extent.minX, extent.maxY, extent.maxX] :
+      [extent.minX, extent.minY, extent.maxX, extent.maxY];
+  baseParams['BBOX'] = bboxValues.join(',');
+
+  return goog.uri.utils.appendParamsFromMap(baseUrl, baseParams);
+};