Add ol.Ellipsoid#e and #eSquared

2013-06-12 16:00:19 +02:00
parent 1e9ccab806
commit e0dd15567c
1 changed files with 12 additions and 0 deletions
--- a/src/ol/ellipsoid/ellipsoid.js
+++ b/src/ol/ellipsoid/ellipsoid.js
@@ -30,6 +30,18 @@ ol.Ellipsoid = function(a, flattening) {
   */
  this.b = this.a * (1 - this.flattening);

+  /**
+   * @const
+   * @type {number}
+   */
+  this.eSquared = 2 * flattening - flattening * flattening;
+
+  /**
+   * @const
+   * @type {number}
+   */
+  this.e = Math.sqrt(this.eSquared);
+
 };