/
I3SFeature.js
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/
I3SFeature.js
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import defined from "../Core/defined.js";
import I3SDataProvider from "./I3SDataProvider.js";
/**
* This class implements an I3S Feature.
* <p>
* Do not construct this directly, instead access tiles through {@link I3SNode}.
* </p>
* @alias I3SFeature
* @internalConstructor
*/
function I3SFeature(parent, uri) {
this._parent = parent;
this._dataProvider = parent._dataProvider;
this._layer = parent._layer;
if (defined(this._parent._nodeIndex)) {
this._resource = this._parent._layer.resource.getDerivedResource({
url: `nodes/${this._parent._data.mesh.attribute.resource}/${uri}`,
});
} else {
this._resource = this._parent.resource.getDerivedResource({ url: uri });
}
}
Object.defineProperties(I3SFeature.prototype, {
/**
* Gets the resource for the feature
* @memberof I3SFeature.prototype
* @type {Resource}
* @readonly
*/
resource: {
get: function () {
return this._resource;
},
},
/**
* Gets the I3S data for this object.
* @memberof I3SFeature.prototype
* @type {object}
* @readonly
*/
data: {
get: function () {
return this._data;
},
},
});
/**
* Loads the content.
* @returns {Promise<object>} A promise that is resolved when the data of the I3S feature is loaded
* @private
*/
I3SFeature.prototype.load = async function () {
this._data = await I3SDataProvider.loadJson(this._resource);
return this._data;
};
export default I3SFeature;