Merge pull request #7013 from tschaub/sphere

Remove ol.sphere.WGS84 and ol.sphere.NORMAL

package.json

@@ -101,22 +101,26 @@
       "openlayers-internal/requires-first": 2,
       "openlayers-internal/valid-provide": 2,
       "openlayers-internal/valid-requires": 2,
-      "indent": [2, 2, {
-        "VariableDeclarator": 2,
-        "SwitchCase": 1,
-        "MemberExpression": 2,
-        "FunctionDeclaration": {
-          "parameters": 2,
-          "body": 1
-        },
-        "FunctionExpression": {
-          "parameters": 2,
-          "body": 1
-        },
-        "CallExpression": {
-          "arguments": 2
+      "indent": [
+        2,
+        2,
+        {
+          "VariableDeclarator": 2,
+          "SwitchCase": 1,
+          "MemberExpression": 2,
+          "FunctionDeclaration": {
+            "parameters": 2,
+            "body": 1
+          },
+          "FunctionExpression": {
+            "parameters": 2,
+            "body": 1
+          },
+          "CallExpression": {
+            "arguments": 2
+          }
         }
-      }]
+      ]
     }
   },
   "ext": [

src/ol/geolocation.js

@@ -3,15 +3,16 @@
 goog.provide('ol.Geolocation');
 
 goog.require('ol');
-goog.require('ol.Object');
 goog.require('ol.GeolocationProperty');
+goog.require('ol.Object');
+goog.require('ol.Sphere');
 goog.require('ol.events');
 goog.require('ol.events.EventType');
 goog.require('ol.geom.Polygon');
 goog.require('ol.has');
 goog.require('ol.math');
 goog.require('ol.proj');
-goog.require('ol.sphere.WGS84');
+goog.require('ol.proj.EPSG4326');
 
 
 /**
@@ -59,6 +60,12 @@ ol.Geolocation = function(opt_options) {
    */
   this.transform_ = ol.proj.identityTransform;
 
+  /**
+   * @private
+   * @type {ol.Sphere}
+   */
+  this.sphere_ = new ol.Sphere(ol.proj.EPSG4326.RADIUS);
+
   /**
    * @private
    * @type {number|undefined}
@@ -154,7 +161,7 @@ ol.Geolocation.prototype.positionChange_ = function(position) {
   this.set(ol.GeolocationProperty.SPEED,
       coords.speed === null ? undefined : coords.speed);
   var geometry = ol.geom.Polygon.circular(
-      ol.sphere.WGS84, this.position_, coords.accuracy);
+      this.sphere_, this.position_, coords.accuracy);
   geometry.applyTransform(this.transform_);
   this.set(ol.GeolocationProperty.ACCURACY_GEOMETRY, geometry);
   this.changed();

src/ol/proj.js

@@ -1,6 +1,7 @@
 goog.provide('ol.proj');
 
 goog.require('ol');
+goog.require('ol.Sphere');
 goog.require('ol.extent');
 goog.require('ol.proj.EPSG3857');
 goog.require('ol.proj.EPSG4326');
@@ -9,7 +10,6 @@ goog.require('ol.proj.Units');
 goog.require('ol.proj.proj4');
 goog.require('ol.proj.projections');
 goog.require('ol.proj.transforms');
-goog.require('ol.sphere.NORMAL');
 
 
 /**
@@ -21,6 +21,14 @@ goog.require('ol.sphere.NORMAL');
 ol.proj.METERS_PER_UNIT = ol.proj.Units.METERS_PER_UNIT;
 
 
+/**
+ * A place to store the radius of the Clarke 1866 Authalic Sphere.
+ * @private
+ * @type {ol.Sphere}
+ */
+ol.proj.AUTHALIC_SPHERE_ = new ol.Sphere(6370997);
+
+
 if (ol.ENABLE_PROJ4JS) {
   /**
    * Register proj4. If not explicitly registered, it will be assumed that
@@ -80,9 +88,9 @@ ol.proj.getPointResolution = function(projection, resolution, point) {
         point[0], point[1] + resolution / 2
       ];
       vertices = toEPSG4326(vertices, vertices, 2);
-      var width = ol.sphere.NORMAL.haversineDistance(
+      var width = ol.proj.AUTHALIC_SPHERE_.haversineDistance(
           vertices.slice(0, 2), vertices.slice(2, 4));
-      var height = ol.sphere.NORMAL.haversineDistance(
+      var height = ol.proj.AUTHALIC_SPHERE_.haversineDistance(
           vertices.slice(4, 6), vertices.slice(6, 8));
       pointResolution = (width + height) / 2;
       var metersPerUnit = projection.getMetersPerUnit();

src/ol/sphere/normal.js

@@ -1,11 +0,0 @@
-goog.provide('ol.sphere.NORMAL');
-
-goog.require('ol.Sphere');
-
-
-/**
- * The normal sphere.
- * @const
- * @type {ol.Sphere}
- */
-ol.sphere.NORMAL = new ol.Sphere(6370997);

src/ol/sphere/wgs84.js

@@ -1,11 +0,0 @@
-goog.provide('ol.sphere.WGS84');
-
-goog.require('ol.Sphere');
-
-
-/**
- * A sphere with radius equal to the semi-major axis of the WGS84 ellipsoid.
- * @const
- * @type {ol.Sphere}
- */
-ol.sphere.WGS84 = new ol.Sphere(6378137);

test/spec/ol/sphere/index.test.js

@@ -4,8 +4,8 @@
 goog.provide('ol.test.Sphere');
 
 goog.require('ol.Sphere');
-goog.require('ol.sphere.WGS84');
 goog.require('ol.format.WKT');
+goog.require('ol.proj.EPSG4326');
 
 
 describe('ol.Sphere', function() {
@@ -102,7 +102,8 @@ describe('ol.Sphere', function() {
 
     it('results match the expected area of Ilinois', function() {
       var coords = geometry.getPolygon(0).getLinearRing(0).getCoordinates();
-      expect(ol.sphere.WGS84.geodesicArea(coords)).to.equal(145978332359.37125);
+      var sphere = new ol.Sphere(ol.proj.EPSG4326.RADIUS);
+      expect(sphere.geodesicArea(coords)).to.equal(145978332359.37125);
     });
   });