Nicholas Furness nixta
nixta
/ AGSGeometry+DecodeCompressedGeometry.swift
Last active
December 9, 2022 18:06
Read polyline from ArcGIS Route Service compressed geometry.
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| extension AGSGeometry { | |
| static func decodeCompressedGeometry(_ compressedString: String, spatialReference sr: AGSSpatialReference) -> AGSPolyline? { | |
| // Break the string up into signed parts. | |
| // The first part is a coefficient. | |
| // Subsequent pairs of parts make up the remaining coordinates, encoded. | |
| let pattern = #"((\+|\-)[^\+\-]+)"# | |
| guard let regex = try? NSRegularExpression(pattern: pattern, options: []) else { | |
| return nil | |
| } |
nixta
/ AsyncAwait.swift
Last active
December 1, 2021 15:57
Async/Await Example: Download Preplanned Offline Map
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| func downloadPreplannedOfflineMap() async throws { | |
| guard let area = (try await task.getPreplannedMapAreas()).first else { return } | |
| let params = try await task.defaultDownloadPreplannedOfflineMapParameters(with: area) | |
| let job = task.downloadPreplannedOfflineMapJob( | |
| with: params, | |
| downloadDirectory: docsURL.appendingPathComponent(Date().ISO8601Format(), isDirectory: true) | |
| ) | |
nixta
/ AGSTileInfo+CalculateTiles.swift
Last active
August 31, 2021 15:34
Extension to calculate tile image extents overlapped by a given geometry
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| extension AGSTileInfo { | |
| func calculateTiles(for geometry: AGSGeometry) -> [AGSTileKey: AGSEnvelope]? { | |
| return calculateTiles(for: geometry.extent)?.filter({ item in | |
| let env = item.value | |
| return AGSGeometryEngine.geometry(geometry, intersects: env) | |
| }) | |
| } | |
| // Get the tile extents for the greatest level of detail. This is good for downloading tiles for | |
| // elevation queries, but might not be the desired tile count for a range of LODs. |
nixta
/ Bundle+ArcGISRuntimeSDKVersion.swift
Created
September 2, 2020 16:56
Read and output ArcGIS Runtime SDK version text.
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| extension Bundle { | |
| private static let agsBundle = AGSBundle() | |
| /// An end-user printable string representation of the ArcGIS Bundle version shipped with the app. | |
| /// | |
| /// For example, "2883" | |
| static var sdkBundleVersion: String { | |
| return (agsBundle?.object(forInfoDictionaryKey: "CFBundleVersion") as? String) ?? "?" |
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| public enum QueryError: LocalizedError { | |
| case couldNotParseJSON | |
| case unexpectedJSONResponse | |
| } | |
| func doQuery(layerURL: URL, mapPoint: AGSPoint, fields: [String] = ["*"], returnGeometry: Bool = true, completion: (([AGSGraphic]?, Error?) -> Void)? = nil) { | |
| var mapPointData: Data? | |
| do { | |
| let mapPointJSON = try mapPoint.toJSON() | |
| mapPointData = try JSONSerialization.data(withJSONObject: mapPointJSON) |
nixta
/ ISSLocationDataSource.swift
Created
May 1, 2019 21:52
A custom AGSLocationDataSource to integrate the International Space Station's realtime location into the ArcGIS Runtime
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| import Foundation | |
| import ArcGIS | |
| //MARK: - Custom AGSLocationDataSource | |
| /// A custom AGSLocationDataSource that uses the public ISS Location API to return | |
| /// realtime ISS locations at 5 second intervals. | |
| class ISSLocationDataSource: AGSLocationDataSource { |
nixta
/ ViewController.swift
Last active
November 10, 2017 18:38
How to drag a graphic with ArcGIS Runtime SDK for iOS
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| // | |
| // ViewController.swift | |
| // TestDrag | |
| // | |
| // Created by Nicholas Furness on 11/10/17. | |
| // Copyright © 2017 Esri. All rights reserved. | |
| // | |
| import ArcGIS |
nixta
/ animatedotwithwebscene.js
Created
May 14, 2017 01:05
Animate a dot in a graphics layer having loaded a web scene.
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no"> | |
| <title>Load a basic web scene - 4.3</title> | |
| <link rel="stylesheet" href="https://js.arcgis.com/4.3/esri/css/main.css"> | |
| <script src="https://js.arcgis.com/4.3/"></script> |
nixta
/ geofencing.js
Last active
May 14, 2017 13:21
A PubNub Geofencing Block (See structure of sample services below at lines 16&17).
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| export default (request) => { | |
| let query = require('codec/query_string'); | |
| // return if the block does not have anything to analyze | |
| if (!query) { | |
| return request.ok(); | |
| } | |
| // Require console to print debug information | |
| let console = require('console'); |
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| extension AGSGraphicsOverlay { | |
| fileprivate struct AssociatedKeys { | |
| static var referenceNameKey = "geodev_referenceName" | |
| } | |
| var referenceName:String? { | |
| get { | |
| return objc_getAssociatedObject(self, &AssociatedKeys.referenceNameKey) as? String | |
| } | |
| set { |
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