/**
|
* An enum of built-in semantics.
|
*
|
* @enum MetadataSemantic
|
*
|
* @private
|
* @experimental This feature is using part of the 3D Tiles spec that is not final and is subject to change without Cesium's standard deprecation policy.
|
* @see {@link https://github.com/CesiumGS/3d-tiles/tree/3d-tiles-next/specification/Metadata/Semantics|Cesium Metadata Semantic Reference}
|
*/
|
var MetadataSemantic = {
|
/**
|
* A name, stored as a <code>STRING</code>. This does not have to be unique
|
*
|
* @type {String}
|
* @constant
|
* @private
|
*/
|
NAME: "NAME",
|
/**
|
* A unique identifier, stored as a <code>STRING</code>.
|
*
|
* @type {String}
|
* @constant
|
* @private
|
*/
|
ID: "ID",
|
/**
|
* A bounding box for a tile, stored as an array of 12 <code>FLOAT32</code> or <code>FLOAT64</code> components. The components are the same format as for <code>boundingVolume.box</code> in 3D Tiles 1.0. This semantic is used to provide a tighter bounding volume than the one implicitly calculated in <code>3DTILES_implicit_tiling</code>
|
*
|
* @type {String}
|
* @constant
|
* @private
|
*/
|
TILE_BOUNDING_BOX: "TILE_BOUNDING_BOX",
|
/**
|
* A bounding region for a tile, stored as an array of 6 <code>FLOAT64</code> components. The components are <code>[west, south, east, north, minimumHeight, maximumHeight]</code>. This semantic is used to provide a tighter bounding volume than the one implicitly calculated in <code>3DTILES_implicit_tiling</code>
|
*
|
* @type {String}
|
* @constant
|
* @private
|
*/
|
TILE_BOUNDING_REGION: "TILE_BOUNDING_REGION",
|
/**
|
* A bounding sphere for a tile, stored as an array of 4 <code>FLOAT32</code> or <code>FLOAT64</code> components. The components are <code>[centerX, centerY, centerZ, radius]</code>. This semantic is used to provide a tighter bounding volume than the one implicitly calculated in <code>3DTILES_implicit_tiling</code>
|
*
|
* @type {String}
|
* @constant
|
* @private
|
*/
|
TILE_BOUNDING_SPHERE: "TILE_BOUNDING_SPHERE",
|
/**
|
* The minimum height of a tile above (or below) the WGS84 ellipsoid, stored as a <code>FLOAT32</code> or a <code>FLOAT64</code>. This semantic is used to tighten bounding regions implicitly calculated in <code>3DTILES_implicit_tiling</code>.
|
*
|
* @type {String}
|
* @constant
|
* @private
|
*/
|
TILE_MINIMUM_HEIGHT: "TILE_MINIMUM_HEIGHT",
|
/**
|
* The maximum height of a tile above (or below) the WGS84 ellipsoid, stored as a <code>FLOAT32</code> or a <code>FLOAT64</code>. This semantic is used to tighten bounding regions implicitly calculated in <code>3DTILES_implicit_tiling</code>.
|
*
|
* @type {String}
|
* @constant
|
* @private
|
*/
|
TILE_MAXIMUM_HEIGHT: "TILE_MAXIMUM_HEIGHT",
|
/**
|
* The horizon occlusion point for a tile, stored as an <code>ARRAY</code> of 3 <code>FLOAT32</code> or <code>FLOAT64</code> components.
|
*
|
* @see {@link https://cesium.com/blog/2013/04/25/horizon-culling/|Horizon Culling}
|
*
|
* @type {String}
|
* @constant
|
* @private
|
*/
|
TILE_HORIZON_OCCLUSION_POINT: "TILE_HORIZON_OCCLUSION_POINT",
|
/**
|
* The geometric error for a tile, stored as a <code>FLOAT32</code> or a <code>FLOAT64</code>. This semantic is used to override the geometric error implicitly calculated in <code>3DTILES_implicit_tiling</code>.
|
*
|
* @type {String}
|
* @constant
|
* @private
|
*/
|
TILE_GEOMETRIC_ERROR: "TILE_GEOMETRIC_ERROR",
|
/**
|
* A bounding box for the content of a tile, stored as an array of 12 <code>FLOAT32</code> or <code>FLOAT64</code> components. The components are the same format as for <code>boundingVolume.box</code> in 3D Tiles 1.0. This semantic is used to provide a tighter bounding volume than the one implicitly calculated in <code>3DTILES_implicit_tiling</code>
|
*
|
* @type {String}
|
* @constant
|
* @private
|
*/
|
CONTENT_BOUNDING_BOX: "CONTENT_BOUNDING_BOX",
|
/**
|
* A bounding region for the content of a tile, stored as an array of 6 <code>FLOAT64</code> components. The components are <code>[west, south, east, north, minimumHeight, maximumHeight]</code>. This semantic is used to provide a tighter bounding volume than the one implicitly calculated in <code>3DTILES_implicit_tiling</code>
|
*
|
* @type {String}
|
* @constant
|
* @private
|
*/
|
CONTENT_BOUNDING_REGION: "CONTENT_BOUNDING_REGION",
|
/**
|
* A bounding sphere for the content of a tile, stored as an array of 4 <code>FLOAT32</code> or <code>FLOAT64</code> components. The components are <code>[centerX, centerY, centerZ, radius]</code>. This semantic is used to provide a tighter bounding volume than the one implicitly calculated in <code>3DTILES_implicit_tiling</code>
|
*
|
* @type {String}
|
* @constant
|
* @private
|
*/
|
CONTENT_BOUNDING_SPHERE: "CONTENT_BOUNDING_SPHERE",
|
/**
|
* The minimum height of the content of a tile above (or below) the WGS84 ellipsoid, stored as a <code>FLOAT32</code> or a <code>FLOAT64</code>
|
*
|
* @type {String}
|
* @constant
|
* @private
|
*/
|
CONTENT_MINIMUM_HEIGHT: "CONTENT_MINIMUM_HEIGHT",
|
/**
|
* The maximum height of the content of a tile above (or below) the WGS84 ellipsoid, stored as a <code>FLOAT32</code> or a <code>FLOAT64</code>
|
*
|
* @type {String}
|
* @constant
|
* @private
|
*/
|
CONTENT_MAXIMUM_HEIGHT: "CONTENT_MAXIMUM_HEIGHT",
|
/**
|
* The horizon occlusion point for the content of a tile, stored as an <code>ARRAY</code> of 3 <code>FLOAT32</code> or <code>FLOAT64</code> components.
|
*
|
* @see {@link https://cesium.com/blog/2013/04/25/horizon-culling/|Horizon Culling}
|
*
|
* @type {String}
|
* @constant
|
* @private
|
*/
|
CONTENT_HORIZON_OCCLUSION_POINT: "CONTENT_HORIZON_OCCLUSION_POINT",
|
};
|
|
export default Object.freeze(MetadataSemantic);
|
