import Check from "../Core/Check.js";
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import defaultValue from "../Core/defaultValue.js";
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import defined from "../Core/defined.js";
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import GroupMetadata from "./GroupMetadata.js";
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import TilesetMetadata from "./TilesetMetadata.js";
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/**
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* An object containing metadata about a 3D Tileset.
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* <p>
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* See the {@link https://github.com/CesiumGS/3d-tiles/tree/3d-tiles-next/extensions/3DTILES_metadata|3DTILES_metadata Extension} for 3D Tiles.
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* </p>
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* <p>
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* This object represents the <code>3DTILES_metadata</code> object which
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* contains the schema ({@link MetadataSchema}), tileset metadata ({@link TilesetMetadata}), group metadata (dictionary of {@link GroupMetadata}), and metadata statistics (dictionary)
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* </p>
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*
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* @param {Object} options Object with the following properties:
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* @param {String} options.extension The extension JSON object.
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* @param {MetadataSchema} options.schema The parsed schema.
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*
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* @alias Cesium3DTilesetMetadata
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* @constructor
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* @private
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* @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.
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*/
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function Cesium3DTilesetMetadata(options) {
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options = defaultValue(options, defaultValue.EMPTY_OBJECT);
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var extension = options.extension;
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// The calling code is responsible for loading the schema.
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// This keeps metadata parsing synchronous.
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var schema = options.schema;
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//>>includeStart('debug', pragmas.debug);
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Check.typeOf.object("options.extension", extension);
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Check.typeOf.object("options.schema", schema);
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//>>includeEnd('debug');
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var groups = {};
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if (defined(extension.groups)) {
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for (var groupId in extension.groups) {
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if (extension.groups.hasOwnProperty(groupId)) {
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var group = extension.groups[groupId];
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groups[groupId] = new GroupMetadata({
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id: groupId,
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group: extension.groups[groupId],
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class: schema.classes[group.class],
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});
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}
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}
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}
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var tileset;
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if (defined(extension.tileset)) {
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tileset = new TilesetMetadata({
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tileset: extension.tileset,
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class: schema.classes[extension.tileset.class],
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});
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}
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this._schema = schema;
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this._groups = groups;
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this._tileset = tileset;
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this._statistics = extension.statistics;
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this._extras = extension.extras;
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this._extensions = extension.extensions;
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}
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Object.defineProperties(Cesium3DTilesetMetadata.prototype, {
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/**
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* Schema containing classes and enums.
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*
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* @memberof Cesium3DTilesetMetadata.prototype
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* @type {MetadataSchema}
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* @readonly
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* @private
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*/
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schema: {
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get: function () {
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return this._schema;
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},
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},
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/**
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* Metadata about groups of content.
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*
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* @memberof Cesium3DTilesetMetadata.prototype
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* @type {Object.<String, GroupMetadata>}
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* @readonly
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* @private
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*/
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groups: {
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get: function () {
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return this._groups;
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},
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},
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/**
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* Metadata about the tileset as a whole.
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*
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* @memberof Cesium3DTilesetMetadata.prototype
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* @type {TilesetMetadata}
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* @readonly
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* @private
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*/
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tileset: {
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get: function () {
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return this._tileset;
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},
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},
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/**
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* Statistics about the metadata.
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* <p>
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* See the {@link https://github.com/CesiumGS/3d-tiles/blob/3d-tiles-next/extensions/3DTILES_metadata/schema/statistics.schema.json|statistics schema reference}
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* in the 3D Tiles spec for the full set of properties.
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* </p>
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*
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* @memberof Cesium3DTilesetMetadata.prototype
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* @type {Object}
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* @readonly
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* @private
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*/
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statistics: {
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get: function () {
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return this._statistics;
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},
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},
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/**
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* Extras in the JSON object.
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*
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* @memberof Cesium3DTilesetMetadata.prototype
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* @type {*}
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* @readonly
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* @private
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*/
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extras: {
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get: function () {
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return this._extras;
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},
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},
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/**
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* Extensions in the JSON object.
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*
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* @memberof Cesium3DTilesetMetadata.prototype
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* @type {Object}
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* @readonly
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* @private
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*/
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extensions: {
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get: function () {
|
return this._extensions;
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},
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},
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});
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export default Cesium3DTilesetMetadata;
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