text: /**
   * Cesium - https://github.com/AnalyticalGraphicsInc/cesium
   *
   * Copyright 2011-2017 Cesium Contributors
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   *
   * Columbus View (Pat. Pend.)
   *
   * Portions licensed separately.
   * See https://github.com/AnalyticalGraphicsInc/cesium/blob/master/LICENSE.md for full licensing details.
   */
  define(['./when-8d13db60', './Check-70bec281', './Math-61ede240', './Cartesian2-2cbe6c75', './BoundingSphere-51445700', './RuntimeError-ba10bc3e', './WebGLConstants-4c11ee5f', './ComponentDatatype-5862616f', './GeometryAttribute-ec5c2270', './PrimitiveType-97893bc7', './FeatureDetection-7bd32c34', './Transforms-2f2aa225', './buildModuleUrl-46c77f41', './GeometryAttributes-aacecde6', './IndexDatatype-9435b55f', './GeometryOffsetAttribute-ca302482', './EllipseGeometryLibrary-df806546', './EllipseOutlineGeometry-0fa300c2'], function (when, Check, _Math, Cartesian2, BoundingSphere, RuntimeError, WebGLConstants, ComponentDatatype, GeometryAttribute, PrimitiveType, FeatureDetection, Transforms, buildModuleUrl, GeometryAttributes, IndexDatatype, GeometryOffsetAttribute, EllipseGeometryLibrary, EllipseOutlineGeometry) { 'use strict';
  
      /**
           * A description of the outline of a circle on the ellipsoid.
           *
           * @alias CircleOutlineGeometry
           * @constructor
           *
           * @param {Object} options Object with the following properties:
           * @param {Cartesian3} options.center The circle's center point in the fixed frame.
           * @param {Number} options.radius The radius in meters.
           * @param {Ellipsoid} [options.ellipsoid=Ellipsoid.WGS84] The ellipsoid the circle will be on.
           * @param {Number} [options.height=0.0] The distance in meters between the circle and the ellipsoid surface.
           * @param {Number} [options.granularity=0.02] The angular distance between points on the circle in radians.
           * @param {Number} [options.extrudedHeight=0.0] The distance in meters between the circle's extruded face and the ellipsoid surface.
           * @param {Number} [options.numberOfVerticalLines=16] Number of lines to draw between the top and bottom of an extruded circle.
           *
           * @exception {DeveloperError} radius must be greater than zero.
           * @exception {DeveloperError} granularity must be greater than zero.
           *
           * @see CircleOutlineGeometry.createGeometry
           * @see Packable
           *
           * @example
           * // Create a circle.
           * var circle = new Cesium.CircleOutlineGeometry({
           *   center : Cesium.Cartesian3.fromDegrees(-75.59777, 40.03883),
           *   radius : 100000.0
           * });
           * var geometry = Cesium.CircleOutlineGeometry.createGeometry(circle);
           */
          function CircleOutlineGeometry(options) {
              options = when.defaultValue(options, when.defaultValue.EMPTY_OBJECT);
              var radius = options.radius;
  
              //>>includeStart('debug', pragmas.debug);
              Check.Check.typeOf.number('radius', radius);
              //>>includeEnd('debug');
  
              var ellipseGeometryOptions = {
                  center : options.center,
                  semiMajorAxis : radius,
                  semiMinorAxis : radius,
                  ellipsoid : options.ellipsoid,
                  height : options.height,
                  extrudedHeight : options.extrudedHeight,
                  granularity : options.granularity,
                  numberOfVerticalLines : options.numberOfVerticalLines
              };
              this._ellipseGeometry = new EllipseOutlineGeometry.EllipseOutlineGeometry(ellipseGeometryOptions);
              this._workerName = 'createCircleOutlineGeometry';
          }
  
          /**
           * The number of elements used to pack the object into an array.
           * @type {Number}
           */
          CircleOutlineGeometry.packedLength = EllipseOutlineGeometry.EllipseOutlineGeometry.packedLength;
  
          /**
           * Stores the provided instance into the provided array.
           *
           * @param {CircleOutlineGeometry} value The value to pack.
           * @param {Number[]} array The array to pack into.
           * @param {Number} [startingIndex=0] The index into the array at which to start packing the elements.
           *
           * @returns {Number[]} The array that was packed into
           */
          CircleOutlineGeometry.pack = function(value, array, startingIndex) {
              //>>includeStart('debug', pragmas.debug);
              Check.Check.typeOf.object('value', value);
              //>>includeEnd('debug');
              return EllipseOutlineGeometry.EllipseOutlineGeometry.pack(value._ellipseGeometry, array, startingIndex);
          };
  
          var scratchEllipseGeometry = new EllipseOutlineGeometry.EllipseOutlineGeometry({
              center : new Cartesian2.Cartesian3(),
              semiMajorAxis : 1.0,
              semiMinorAxis : 1.0
          });
          var scratchOptions = {
              center : new Cartesian2.Cartesian3(),
              radius : undefined,
              ellipsoid : Cartesian2.Ellipsoid.clone(Cartesian2.Ellipsoid.UNIT_SPHERE),
              height : undefined,
              extrudedHeight : undefined,
              granularity : undefined,
              numberOfVerticalLines : undefined,
              semiMajorAxis : undefined,
              semiMinorAxis : undefined
          };
  
          /**
           * Retrieves an instance from a packed array.
           *
           * @param {Number[]} array The packed array.
           * @param {Number} [startingIndex=0] The starting index of the element to be unpacked.
           * @param {CircleOutlineGeometry} [result] The object into which to store the result.
           * @returns {CircleOutlineGeometry} The modified result parameter or a new CircleOutlineGeometry instance if one was not provided.
           */
          CircleOutlineGeometry.unpack = function(array, startingIndex, result) {
              var ellipseGeometry = EllipseOutlineGeometry.EllipseOutlineGeometry.unpack(array, startingIndex, scratchEllipseGeometry);
              scratchOptions.center = Cartesian2.Cartesian3.clone(ellipseGeometry._center, scratchOptions.center);
              scratchOptions.ellipsoid = Cartesian2.Ellipsoid.clone(ellipseGeometry._ellipsoid, scratchOptions.ellipsoid);
              scratchOptions.height = ellipseGeometry._height;
              scratchOptions.extrudedHeight = ellipseGeometry._extrudedHeight;
              scratchOptions.granularity = ellipseGeometry._granularity;
              scratchOptions.numberOfVerticalLines = ellipseGeometry._numberOfVerticalLines;
  
              if (!when.defined(result)) {
                  scratchOptions.radius = ellipseGeometry._semiMajorAxis;
                  return new CircleOutlineGeometry(scratchOptions);
              }
  
              scratchOptions.semiMajorAxis = ellipseGeometry._semiMajorAxis;
              scratchOptions.semiMinorAxis = ellipseGeometry._semiMinorAxis;
              result._ellipseGeometry = new EllipseOutlineGeometry.EllipseOutlineGeometry(scratchOptions);
              return result;
          };
  
          /**
           * Computes the geometric representation of an outline of a circle on an ellipsoid, including its vertices, indices, and a bounding sphere.
           *
           * @param {CircleOutlineGeometry} circleGeometry A description of the circle.
           * @returns {Geometry|undefined} The computed vertices and indices.
           */
          CircleOutlineGeometry.createGeometry = function(circleGeometry) {
              return EllipseOutlineGeometry.EllipseOutlineGeometry.createGeometry(circleGeometry._ellipseGeometry);
          };
  
      function createCircleOutlineGeometry(circleGeometry, offset) {
          if (when.defined(offset)) {
              circleGeometry = CircleOutlineGeometry.unpack(circleGeometry, offset);
          }
          circleGeometry._ellipseGeometry._center = Cartesian2.Cartesian3.clone(circleGeometry._ellipseGeometry._center);
          circleGeometry._ellipseGeometry._ellipsoid = Cartesian2.Ellipsoid.clone(circleGeometry._ellipseGeometry._ellipsoid);
          return CircleOutlineGeometry.createGeometry(circleGeometry);
      }
  
      return createCircleOutlineGeometry;
  
  });
  