Move sphere files so they are named like their provides

2016-08-06 13:07:24 -06:00
parent e07596846d
commit c0e375412f
3 changed files with 0 additions and 0 deletions
@@ -0,0 +1,110 @@
+// See http://www.movable-type.co.uk/scripts/latlong.html
+// FIXME add tests for offset
+
+goog.provide('ol.test.Sphere');
+
+
+describe('ol.Sphere', function() {
+
+  var sphere = new ol.Sphere(6371);
+  var expected = [{
+    c1: [0, 0],
+    c2: [0, 0],
+    haversineDistance: 0
+  }, {
+    c1: [0, 0],
+    c2: [45, 45],
+    haversineDistance: 6671.695598673525
+  }, {
+    c1: [0, 0],
+    c2: [-45, 45],
+    haversineDistance: 6671.695598673525
+  }, {
+    c1: [0, 0],
+    c2: [-45, -45],
+    haversineDistance: 6671.695598673525
+  }, {
+    c1: [0, 0],
+    c2: [45, -45],
+    haversineDistance: 6671.695598673525
+  }, {
+    c1: [45, 45],
+    c2: [45, 45],
+    haversineDistance: 0
+  }, {
+    c1: [45, 45],
+    c2: [-45, 45],
+    haversineDistance: 6671.695598673525
+  }, {
+    c1: [45, 45],
+    c2: [-45, -45],
+    haversineDistance: 13343.391197347048
+  }, {
+    c1: [45, 45],
+    c2: [45, -45],
+    haversineDistance: 10007.543398010286
+  }, {
+    c1: [-45, 45],
+    c2: [-45, 45],
+    haversineDistance: 0
+  }, {
+    c1: [-45, 45],
+    c2: [-45, -45],
+    haversineDistance: 10007.543398010286
+  }, {
+    c1: [-45, 45],
+    c2: [45, -45],
+    haversineDistance: 13343.391197347048
+  }, {
+    c1: [-45, -45],
+    c2: [-45, -45],
+    haversineDistance: 0
+  }, {
+    c1: [-45, -45],
+    c2: [45, -45],
+    haversineDistance: 6671.695598673525
+  }, {
+    c1: [45, -45],
+    c2: [45, -45],
+    haversineDistance: 0
+  }];
+
+  describe('haversineDistance', function() {
+
+    it('results match Chris Veness\'s reference implementation', function() {
+      var e, i;
+      for (i = 0; i < expected.length; ++i) {
+        e = expected[i];
+        expect(sphere.haversineDistance(e.c1, e.c2)).to.roughlyEqual(
+            e.haversineDistance, 1e-9);
+      }
+    });
+
+  });
+
+  describe('Vincenty area', function() {
+    var geometry;
+    before(function(done) {
+      afterLoadText('spec/ol/format/wkt/illinois.wkt', function(wkt) {
+        try {
+          var format = new ol.format.WKT();
+          geometry = format.readGeometry(wkt);
+        } catch (e) {
+          done(e);
+        }
+        done();
+      });
+    });
+
+    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);
+    });
+  });
+
+});
+
+
+goog.require('ol.Sphere');
+goog.require('ol.sphere.WGS84');
+goog.require('ol.format.WKT');