/**
 * The constant identifier for the 2D {@link SceneMode}
 *
 * @name czm_sceneMode2D
 * @glslConstant
 * @see czm_sceneMode
 * @see czm_sceneModeColumbusView
 * @see czm_sceneMode3D
 * @see czm_sceneModeMorphing
 */
const float czm_sceneMode2D = 2.0;