qwc2/utils/ElevationInterface.js

QGIS Web Client

/**
 * Copyright 2025 Sourcepole AG
 * All rights reserved.
 *
 * This source code is licensed under the BSD-style license found in the
 * LICENSE file in the root directory of this source tree.
 */import axios from"axios";import ConfigUtils from"./ConfigUtils";/**
 * Interface for querying elevations/height profiles
 */var ElevationInterface={/**
     * Query the elevation at the specified position
     *
     * * `pos`: query position, as tuple `[x, y]`
     * * `crs`: CRS of the query position, as an EPSG string
     *
     * Returns: a promise which resolves to an elevation value (in meteres)
     *  or an object with a `list` property containing an array of objects with
     *  `elevation` and `dataset` properties, if multiple datasets are available.
     */getElevation:function getElevation(pos,crs){return new Promise(function(resolve,reject){var serviceUrl=ConfigUtils.getConfigProp("elevationServiceUrl",null,"").replace(/\/$/,"");if(!serviceUrl){reject(null);return}axios.get(serviceUrl+"/getelevation",{params:{pos:pos.join(","),crs:crs}}).then(function(response){var _response$data$elevat;resolve((_response$data$elevat=response.data.elevation)!==null&&_response$data$elevat!==void 0?_response$data$elevat:{list:response.data.elevation_list})})["catch"](function(e){reject(String(e))})})},/**
     * Query the elevation profile along the specified line
     *
     * * `coordinates`: line coordinates `[[x1, y1], [x2, y2], ...]`
     * * `distances`: distances of the line segments `[dist1, dist2, ...]`
     * * `crs`: CRS of the line coordinates, as an EPSG string
     * * `samples`: the number of samples
     *
     * Returns a promise which resolves to the elevation values `[z1, z2, ...]`
     *  or an object with a `list` property containing an array of objects with
     *  `elevations` and `dataset` properties, if multiple datasets are available.
     */getProfile:function getProfile(coordinates,distances,crs,samples){return new Promise(function(resolve,reject){var serviceUrl=ConfigUtils.getConfigProp("elevationServiceUrl",null,"").replace(/\/$/,"");if(!serviceUrl){reject(null);return}axios.post(serviceUrl+"/getheightprofile",{coordinates:coordinates,distances:distances,projection:crs,samples:samples}).then(function(response){resolve(response.data.elevations||{list:response.data.elevations_list})})["catch"](function(e){var _e$response;var error=(_e$response=e.response)!==null&&_e$response!==void 0&&(_e$response=_e$response.data)!==null&&_e$response!==void 0&&_e$response.error?e.response.data.error:e;/* eslint-disable-next-line */console.log("Query failed: "+error);reject(String(error))})})}};export function getElevationInterface(){var _window$QWC2Elevation;return(_window$QWC2Elevation=window.QWC2ElevationInterface)!==null&&_window$QWC2Elevation!==void 0?_window$QWC2Elevation:ElevationInterface};