Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 | 1257x 1257x 1257x 1257x 1257x 1257x 1257x 1257x 1257x 1257x 1257x 1x 57x 6x 7x 7x 2211x 1056x 2418x 2410x 1211x 2x 1209x 1209x 1209x 1141x 1209x 1x 55x 54x 1x 16x 15x 1x 11x 10x | import Check from "../Core/Check.js";
import Frozen from "../Core/Frozen.js";
import defined from "../Core/defined.js";
/**
* An object containing structural metadata.
* <p>
* See the {@link https://github.com/CesiumGS/glTF/tree/3d-tiles-next/extensions/2.0/Vendor/EXT_structural_metadata|EXT_structural_metadata Extension} as well as the
* previous {@link https://github.com/CesiumGS/glTF/tree/3d-tiles-next/extensions/2.0/Vendor/EXT_feature_metadata|EXT_feature_metadata Extension} for glTF.
* </p>
*
* @param {object} options Object with the following properties:
* @param {MetadataSchema} options.schema The parsed schema.
* @param {PropertyTable[]} [options.propertyTables] An array of property table objects. For the legacy <code>EXT_feature_metadata</code> extension, this is sorted by the key in the propertyTables dictionary
* @param {PropertyTexture[]} [options.propertyTextures] An array of property texture objects. For the legacy <code>EXT_feature_metadata</code> extension, this is sorted by the key in the propertyTextures dictionary
* @param {PropertyAttribute[]} [options.propertyAttributes] An array of property attribute objects. This is new in <code>EXT_structural_metadata</code>
* @param {object} [options.statistics] Statistics about metadata
* @param {object} [options.extras] Extra user-defined properties
* @param {object} [options.extensions] An object containing extensions
*
* @alias StructuralMetadata
* @constructor
*
* @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.
*/
function StructuralMetadata(options) {
options = options ?? Frozen.EMPTY_OBJECT;
//>>includeStart('debug', pragmas.debug);
Check.typeOf.object("options.schema", options.schema);
//>>includeEnd('debug');
this._schema = options.schema;
const propertyTables = options.propertyTables;
this._propertyTableCount = defined(propertyTables)
? propertyTables.length
: 0;
this._propertyTables = propertyTables;
this._propertyTextures = options.propertyTextures;
this._propertyAttributes = options.propertyAttributes;
this._statistics = options.statistics;
this._extras = options.extras;
this._extensions = options.extensions;
}
Object.defineProperties(StructuralMetadata.prototype, {
/**
* Schema containing classes and enums.
*
* @memberof StructuralMetadata.prototype
* @type {MetadataSchema}
* @readonly
* @private
*/
schema: {
get: function () {
return this._schema;
},
},
/**
* Statistics about the metadata.
* <p>
* See the {@link https://github.com/CesiumGS/glTF/blob/3d-tiles-next/extensions/2.0/Vendor/EXT_feature_metadata/schema/statistics.schema.json|statistics schema reference} for the full set of properties.
* </p>
*
* @memberof StructuralMetadata.prototype
* @type {object}
* @readonly
* @private
*/
statistics: {
get: function () {
return this._statistics;
},
},
/**
* Extra user-defined properties.
*
* @memberof StructuralMetadata.prototype
* @type {*}
* @readonly
* @private
*/
extras: {
get: function () {
return this._extras;
},
},
/**
* An object containing extensions.
*
* @memberof StructuralMetadata.prototype
* @type {object}
* @readonly
* @private
*/
extensions: {
get: function () {
return this._extensions;
},
},
/**
* Number of property tables in the metadata.
*
* @memberof StructuralMetadata.prototype
* @type {number}
* @readonly
* @private
*/
propertyTableCount: {
get: function () {
return this._propertyTableCount;
},
},
/**
* The property tables in the metadata.
*
* @memberof StructuralMetadata.prototype
* @type {PropertyTable[]}
* @readonly
* @private
*/
propertyTables: {
get: function () {
return this._propertyTables;
},
},
/**
* The property textures in the metadata.
*
* @memberof StructuralMetadata.prototype
* @type {PropertyTexture[]}
* @readonly
* @private
*/
propertyTextures: {
get: function () {
return this._propertyTextures;
},
},
/**
* The property attributes from the structural metadata extension
*
* @memberof StructuralMetadata.prototype
* @type {PropertyAttribute[]}
* @readonly
* @private
*/
propertyAttributes: {
get: function () {
return this._propertyAttributes;
},
},
/**
* Total size in bytes across all property tables
*
* @memberof StructuralMetadata.prototype
* @type {number}
* @readonly
* @private
*/
propertyTablesByteLength: {
get: function () {
if (!defined(this._propertyTables)) {
return 0;
}
let totalByteLength = 0;
const length = this._propertyTables.length;
for (let i = 0; i < length; i++) {
totalByteLength += this._propertyTables[i].byteLength;
}
return totalByteLength;
},
},
});
/**
* Gets the property table with the given ID.
* <p>
* For the legacy <code>EXT_feature_metadata</code>, textures are stored in an array sorted
* by the key in the propertyTables dictionary.
* </p>
*
* @param {number} propertyTableId The property table ID.
* @returns {PropertyTable} The property table.
* @private
*/
StructuralMetadata.prototype.getPropertyTable = function (propertyTableId) {
//>>includeStart('debug', pragmas.debug);
Check.typeOf.number("propertyTableId", propertyTableId);
//>>includeEnd('debug');
return this._propertyTables[propertyTableId];
};
/**
* Gets the property texture with the given ID.
* <p>
* For the legacy <code>EXT_feature_metadata</code>, textures are stored in an array sorted
* by the key in the propertyTextures dictionary.
* </p>
*
* @param {number} propertyTextureId The index into the property textures array.
* @returns {PropertyTexture} The property texture
* @private
*/
StructuralMetadata.prototype.getPropertyTexture = function (propertyTextureId) {
//>>includeStart('debug', pragmas.debug);
Check.typeOf.number("propertyTextureId", propertyTextureId);
//>>includeEnd('debug');
return this._propertyTextures[propertyTextureId];
};
/**
* Gets the property attribute with the given ID. This concept is new in
* EXT_structural_metadata
*
* @param {number} propertyAttributeId The index into the property attributes array.
* @returns {PropertyAttribute} The property attribute
* @private
*/
StructuralMetadata.prototype.getPropertyAttribute = function (
propertyAttributeId,
) {
//>>includeStart('debug', pragmas.debug);
Check.typeOf.number("propertyAttributeId", propertyAttributeId);
//>>includeEnd('debug');
return this._propertyAttributes[propertyAttributeId];
};
export default StructuralMetadata;
|