@itwin/core-frontend
Version:
iTwin.js frontend components
155 lines • 6.6 kB
JavaScript
/*---------------------------------------------------------------------------------------------
* Copyright (c) Bentley Systems, Incorporated. All rights reserved.
* See LICENSE.md in the project root for license terms and full copyright notice.
*--------------------------------------------------------------------------------------------*/
/** @packageDocumentation
* @module Tiles
*/
import { assert, BentleyStatus } from "@itwin/core-bentley";
import { IModelError, RealityDataFormat, RealityDataProvider } from "@itwin/core-common";
import { request } from "./request/Request";
import { ThreeDTileFormatInterpreter } from "./tile/internal";
/** This class provides access to the reality data provider services.
* It encapsulates access to a reality data weiter it be from local access, http or ProjectWise Context Share.
* The key provided at the creation determines if this is ProjectWise Context Share reference.
* If not then it is considered local (ex: C:\temp\TileRoot.json) or plain http access (http://someserver.com/data/TileRoot.json)
* There is a one to one relationship between a reality data and the instances of present class.
* @internal
*/
export class RealityDataSourceTilesetUrlImpl {
key;
/** The URL that supplies the 3d tiles for displaying the reality model. */
_tilesetUrl;
/** For use by all Reality Data. For RD stored on PW Context Share, represents the portion from the root of the Azure Blob Container*/
_baseUrl = "";
/** Need to be passed down to child tile requests when requesting from blob storage, e.g. a Cesium export from the Mesh Export Service*/
_searchParams = "";
/** Construct a new reality data source.
* @param props JSON representation of the reality data source
*/
constructor(props) {
assert(props.sourceKey.provider === RealityDataProvider.TilesetUrl || props.sourceKey.provider === RealityDataProvider.OrbitGtBlob);
this.key = props.sourceKey;
this._tilesetUrl = this.key.id;
}
/**
* Create an instance of this class from a source key and iTwin context/
*/
static async createFromKey(sourceKey, _iTwinId) {
if (sourceKey.provider !== RealityDataProvider.TilesetUrl)
return undefined;
const rdSource = new RealityDataSourceTilesetUrlImpl({ sourceKey });
return rdSource;
}
get isContextShare() {
return false;
}
/**
* Returns Reality Data if available
*/
get realityData() {
return undefined;
}
get realityDataId() {
return undefined;
}
/**
* Returns Reality Data type if available
*/
get realityDataType() {
return undefined;
}
getTilesetUrl() {
return this._tilesetUrl;
}
// This is to set the root url from the provided root document path.
// If the root document is stored on PW Context Share then the root document property of the Reality Data is provided,
// otherwise the full path to root document is given.
// The base URL contains the base URL from which tile relative path are constructed.
// The tile's path root will need to be reinserted for child tiles to return a 200
// If the original root tileset url includes search paramaters, they are stored in _searchParams to be reinserted into child tile requests.
setBaseUrl(url) {
const urlParts = url.split("/");
const newUrl = new URL(url);
this._searchParams = newUrl.search;
urlParts.pop();
if (urlParts.length === 0)
this._baseUrl = "";
else
this._baseUrl = `${urlParts.join("/")}/`;
}
/**
* This method returns the URL to access the actual 3d tiles from the service provider.
* @returns string containing the URL to reality data.
*/
async getServiceUrl(_iTwinId) {
return this._tilesetUrl;
}
async getRootDocument(iTwinId) {
const url = await this.getServiceUrl(iTwinId);
if (!url)
throw new IModelError(BentleyStatus.ERROR, "Unable to get service url");
// The following is only if the reality data is not stored on PW Context Share.
this.setBaseUrl(url);
return request(url, "json");
}
isValidURL(url) {
try {
new URL(url);
}
catch {
return false;
}
return true;
}
/** Returns the tile URL.
* If the tile path is a relative URL, the base URL is prepended to it.
* For both absolute and relative tile path URLs, the search parameters are checked. If the search params are empty, the base URL's search params are appended to the tile path.
*/
getTileUrl(tilePath) {
if (this.isValidURL(tilePath)) {
const url = new URL(tilePath);
return url.search === "" ? `${tilePath}${this._searchParams}` : tilePath;
}
return tilePath.includes("?") ? `${this._baseUrl}${tilePath}` : `${this._baseUrl}${tilePath}${this._searchParams}`;
}
/**
* Returns the tile content. The path to the tile is relative to the base url of present reality data whatever the type.
*/
async getTileContent(name) {
return request(this.getTileUrl(name), "arraybuffer");
}
/**
* Returns the tile content in json format. The path to the tile is relative to the base url of present reality data whatever the type.
*/
async getTileJson(name) {
return request(this.getTileUrl(name), "json");
}
getTileContentType(url) {
return new URL(url, "https://localhost/").pathname.toLowerCase().endsWith("json") ? "tileset" : "tile";
}
/**
* Gets spatial location and extents of this reality data source
* @returns spatial location and extents
* @internal
*/
async getSpatialLocationAndExtents() {
let spatialLocation;
if (this.key.format === RealityDataFormat.ThreeDTile) {
const rootDocument = await this.getRootDocument(undefined);
spatialLocation = ThreeDTileFormatInterpreter.getSpatialLocationAndExtents(rootDocument);
}
return spatialLocation;
}
/**
* Gets information to identify the product and engine that create this reality data
* Will return undefined if cannot be resolved
* @returns information to identify the product and engine that create this reality data
* @alpha
*/
async getPublisherProductInfo() {
let publisherInfo;
return publisherInfo;
}
}
//# sourceMappingURL=RealityDataSourceTilesetUrlImpl.js.map