text: import defaultValue from '../Core/defaultValue.js';
  import defined from '../Core/defined.js';
  import defineProperties from '../Core/defineProperties.js';
  import DeveloperError from '../Core/DeveloperError.js';
  import Event from '../Core/Event.js';
  import createMaterialPropertyDescriptor from './createMaterialPropertyDescriptor.js';
  import createPropertyDescriptor from './createPropertyDescriptor.js';
  
      /**
       * Describe an ellipsoid or sphere.  The center position and orientation are determined by the containing {@link Entity}.
       *
       * @alias EllipsoidGraphics
       * @constructor
       *
       * @param {Object} [options] Object with the following properties:
       * @param {Property} [options.show=true] A boolean Property specifying the visibility of the ellipsoid.
       * @param {Property} [options.radii] A {@link Cartesian3} Property specifying the radii of the ellipsoid.
       * @param {Property} [options.innerRadii] A {@link Cartesian3} Property specifying the inner radii of the ellipsoid.
       * @param {Property} [options.minimumClock=0.0] A Property specifying the minimum clock angle of the ellipsoid.
       * @param {Property} [options.maximumClock=2*PI] A Property specifying the maximum clock angle of the ellipsoid.
       * @param {Property} [options.minimumCone=0.0] A Property specifying the minimum cone angle of the ellipsoid.
       * @param {Property} [options.maximumCone=PI] A Property specifying the maximum cone angle of the ellipsoid.
       * @param {Property} [options.heightReference=HeightReference.NONE] A Property specifying what the height from the entity position is relative to.
       * @param {Property} [options.fill=true] A boolean Property specifying whether the ellipsoid is filled with the provided material.
       * @param {MaterialProperty} [options.material=Color.WHITE] A Property specifying the material used to fill the ellipsoid.
       * @param {Property} [options.outline=false] A boolean Property specifying whether the ellipsoid is outlined.
       * @param {Property} [options.outlineColor=Color.BLACK] A Property specifying the {@link Color} of the outline.
       * @param {Property} [options.outlineWidth=1.0] A numeric Property specifying the width of the outline.
       * @param {Property} [options.stackPartitions=64] A Property specifying the number of stacks.
       * @param {Property} [options.slicePartitions=64] A Property specifying the number of radial slices.
       * @param {Property} [options.subdivisions=128] A Property specifying the number of samples per outline ring, determining the granularity of the curvature.
       * @param {Property} [options.shadows=ShadowMode.DISABLED] An enum Property specifying whether the ellipsoid casts or receives shadows from light sources.
       * @param {Property} [options.distanceDisplayCondition] A Property specifying at what distance from the camera that this ellipsoid will be displayed.
       *
       * @demo {@link https://sandcastle.cesium.com/index.html?src=Spheres%20and%20Ellipsoids.html|Cesium Sandcastle Spheres and Ellipsoids Demo}
       */
      function EllipsoidGraphics(options) {
          this._definitionChanged = new Event();
          this._show = undefined;
          this._showSubscription = undefined;
          this._radii = undefined;
          this._radiiSubscription = undefined;
          this._innerRadii = undefined;
          this._innerRadiiSubscription = undefined;
          this._minimumClock = undefined;
          this._minimumClockSubscription = undefined;
          this._maximumClock = undefined;
          this._maximumClockSubscription = undefined;
          this._minimumCone = undefined;
          this._minimumConeSubscription = undefined;
          this._maximumCone = undefined;
          this._maximumConeSubscription = undefined;
          this._heightReference = undefined;
          this._heightReferenceSubscription = undefined;
          this._fill = undefined;
          this._fillSubscription = undefined;
          this._material = undefined;
          this._materialSubscription = undefined;
          this._outline = undefined;
          this._outlineSubscription = undefined;
          this._outlineColor = undefined;
          this._outlineColorSubscription = undefined;
          this._outlineWidth = undefined;
          this._outlineWidthSubscription = undefined;
          this._stackPartitions = undefined;
          this._stackPartitionsSubscription = undefined;
          this._slicePartitions = undefined;
          this._slicePartitionsSubscription = undefined;
          this._subdivisions = undefined;
          this._subdivisionsSubscription = undefined;
          this._shadows = undefined;
          this._shadowsSubscription = undefined;
          this._distanceDisplayCondition = undefined;
          this._distanceDisplayConditionSubscription = undefined;
  
          this.merge(defaultValue(options, defaultValue.EMPTY_OBJECT));
      }
  
      defineProperties(EllipsoidGraphics.prototype, {
          /**
           * Gets the event that is raised whenever a property or sub-property is changed or modified.
           * @memberof EllipsoidGraphics.prototype
           *
           * @type {Event}
           * @readonly
           */
          definitionChanged : {
              get : function() {
                  return this._definitionChanged;
              }
          },
  
          /**
           * Gets or sets the boolean Property specifying the visibility of the ellipsoid.
           * @memberof EllipsoidGraphics.prototype
           * @type {Property}
           * @default true
           */
          show : createPropertyDescriptor('show'),
  
          /**
           * Gets or sets the {@link Cartesian3} {@link Property} specifying the radii of the ellipsoid.
           * @memberof EllipsoidGraphics.prototype
           * @type {Property}
           */
          radii : createPropertyDescriptor('radii'),
  
          /**
           * Gets or sets the {@link Cartesian3} {@link Property} specifying the inner radii of the ellipsoid.
           * @memberof EllipsoidGraphics.prototype
           * @type {Property}
           * @default radii
           */
          innerRadii : createPropertyDescriptor('innerRadii'),
  
          /**
           * Gets or sets the Property specifying the minimum clock angle of the ellipsoid.
           * @memberof EllipsoidGraphics.prototype
           * @type {Property}
           * @default 0.0
           */
          minimumClock : createPropertyDescriptor('minimumClock'),
  
          /**
           * Gets or sets the Property specifying the maximum clock angle of the ellipsoid.
           * @memberof EllipsoidGraphics.prototype
           * @type {Property}
           * @default 2*PI
           */
          maximumClock : createPropertyDescriptor('maximumClock'),
  
          /**
           * Gets or sets the Property specifying the minimum cone angle of the ellipsoid.
           * @memberof EllipsoidGraphics.prototype
           * @type {Property}
           * @default 0.0
           */
          minimumCone : createPropertyDescriptor('minimumCone'),
  
          /**
           * Gets or sets the Property specifying the maximum cone angle of the ellipsoid.
           * @memberof EllipsoidGraphics.prototype
           * @type {Property}
           * @default PI
           */
          maximumCone : createPropertyDescriptor('maximumCone'),
  
          /**
           * Gets or sets the Property specifying the {@link HeightReference}.
           * @memberof EllipsoidGraphics.prototype
           * @type {Property}
           * @default HeightReference.NONE
           */
          heightReference : createPropertyDescriptor('heightReference'),
  
          /**
           * Gets or sets the boolean Property specifying whether the ellipsoid is filled with the provided material.
           * @memberof EllipsoidGraphics.prototype
           * @type {Property}
           * @default true
           */
          fill : createPropertyDescriptor('fill'),
  
          /**
           * Gets or sets the Property specifying the material used to fill the ellipsoid.
           * @memberof EllipsoidGraphics.prototype
           * @type {MaterialProperty}
           * @default Color.WHITE
           */
          material : createMaterialPropertyDescriptor('material'),
  
          /**
           * Gets or sets the Property specifying whether the ellipsoid is outlined.
           * @memberof EllipsoidGraphics.prototype
           * @type {Property}
           * @default false
           */
          outline : createPropertyDescriptor('outline'),
  
          /**
           * Gets or sets the Property specifying the {@link Color} of the outline.
           * @memberof EllipsoidGraphics.prototype
           * @type {Property}
           * @default Color.BLACK
           */
          outlineColor : createPropertyDescriptor('outlineColor'),
  
          /**
           * Gets or sets the numeric Property specifying the width of the outline.
           * @memberof EllipsoidGraphics.prototype
           * @type {Property}
           * @default 1.0
           */
          outlineWidth : createPropertyDescriptor('outlineWidth'),
  
          /**
           * Gets or sets the Property specifying the number of stacks.
           * @memberof EllipsoidGraphics.prototype
           * @type {Property}
           * @default 64
           */
          stackPartitions : createPropertyDescriptor('stackPartitions'),
  
          /**
           * Gets or sets the Property specifying the number of radial slices per 360 degrees.
           * @memberof EllipsoidGraphics.prototype
           * @type {Property}
           * @default 64
           */
          slicePartitions : createPropertyDescriptor('slicePartitions'),
  
          /**
           * Gets or sets the Property specifying the number of samples per outline ring, determining the granularity of the curvature.
           * @memberof EllipsoidGraphics.prototype
           * @type {Property}
           * @default 128
           */
          subdivisions : createPropertyDescriptor('subdivisions'),
  
          /**
           * Get or sets the enum Property specifying whether the ellipsoid
           * casts or receives shadows from light sources.
           * @memberof EllipsoidGraphics.prototype
           * @type {Property}
           * @default ShadowMode.DISABLED
           */
          shadows : createPropertyDescriptor('shadows'),
  
          /**
           * Gets or sets the {@link DistanceDisplayCondition} Property specifying at what distance from the camera that this ellipsoid will be displayed.
           * @memberof EllipsoidGraphics.prototype
           * @type {Property}
           */
          distanceDisplayCondition : createPropertyDescriptor('distanceDisplayCondition')
      });
  
      /**
       * Duplicates this instance.
       *
       * @param {EllipsoidGraphics} [result] The object onto which to store the result.
       * @returns {EllipsoidGraphics} The modified result parameter or a new instance if one was not provided.
       */
      EllipsoidGraphics.prototype.clone = function(result) {
          if (!defined(result)) {
              return new EllipsoidGraphics(this);
          }
          result.show = this.show;
          result.radii = this.radii;
          result.innerRadii = this.innerRadii;
          result.minimumClock = this.minimumClock;
          result.maximumClock = this.maximumClock;
          result.minimumCone = this.minimumCone;
          result.maximumCone = this.maximumCone;
          result.heightReference = this.heightReference;
          result.fill = this.fill;
          result.material = this.material;
          result.outline = this.outline;
          result.outlineColor = this.outlineColor;
          result.outlineWidth = this.outlineWidth;
          result.stackPartitions = this.stackPartitions;
          result.slicePartitions = this.slicePartitions;
          result.subdivisions = this.subdivisions;
          result.shadows = this.shadows;
          result.distanceDisplayCondition = this.distanceDisplayCondition;
          return result;
      };
  
      /**
       * Assigns each unassigned property on this object to the value
       * of the same property on the provided source object.
       *
       * @param {EllipsoidGraphics} source The object to be merged into this object.
       */
      EllipsoidGraphics.prototype.merge = function(source) {
          //>>includeStart('debug', pragmas.debug);
          if (!defined(source)) {
              throw new DeveloperError('source is required.');
          }
          //>>includeEnd('debug');
  
          this.show = defaultValue(this.show, source.show);
          this.radii = defaultValue(this.radii, source.radii);
          this.innerRadii = defaultValue(this.innerRadii, source.innerRadii);
          this.minimumClock = defaultValue(this.minimumClock, source.minimumClock);
          this.maximumClock = defaultValue(this.maximumClock, source.maximumClock);
          this.minimumCone = defaultValue(this.minimumCone, source.minimumCone);
          this.maximumCone = defaultValue(this.maximumCone, source.maximumCone);
          this.heightReference = defaultValue(this.heightReference, source.heightReference);
          this.fill = defaultValue(this.fill, source.fill);
          this.material = defaultValue(this.material, source.material);
          this.outline = defaultValue(this.outline, source.outline);
          this.outlineColor = defaultValue(this.outlineColor, source.outlineColor);
          this.outlineWidth = defaultValue(this.outlineWidth, source.outlineWidth);
          this.stackPartitions = defaultValue(this.stackPartitions, source.stackPartitions);
          this.slicePartitions = defaultValue(this.slicePartitions, source.slicePartitions);
          this.subdivisions = defaultValue(this.subdivisions, source.subdivisions);
          this.shadows = defaultValue(this.shadows, source.shadows);
          this.distanceDisplayCondition = defaultValue(this.distanceDisplayCondition, source.distanceDisplayCondition);
      };
  export default EllipsoidGraphics;
  