@cesium/engine/Source/Core/IauOrientationParameters.js

CesiumJS is a JavaScript library for creating 3D globes and 2D maps in a web browser without a plugin.

/**
 * A structure containing the orientation data computed at a particular time. The data
 * represents the direction of the pole of rotation and the rotation about that pole.
 * <p>
 * These parameters correspond to the parameters in the Report from the IAU/IAG Working Group
 * except that they are expressed in radians.
 * </p>
 *
 * @namespace IauOrientationParameters
 *
 * @private
 */
function IauOrientationParameters(
  rightAscension,
  declination,
  rotation,
  rotationRate,
) {
  /**
   * The right ascension of the north pole of the body with respect to
   * the International Celestial Reference Frame, in radians.
   * @type {number}
   *
   * @private
   */
  this.rightAscension = rightAscension;

  /**
   * The declination of the north pole of the body with respect to
   * the International Celestial Reference Frame, in radians.
   * @type {number}
   *
   * @private
   */
  this.declination = declination;

  /**
   * The rotation about the north pole used to align a set of axes with
   * the meridian defined by the IAU report, in radians.
   * @type {number}
   *
   * @private
   */
  this.rotation = rotation;

  /**
   * The instantaneous rotation rate about the north pole, in radians per second.
   * @type {number}
   *
   * @private
   */
  this.rotationRate = rotationRate;
}
export default IauOrientationParameters;