ArcGIS Runtime SDK for .NET Samples

Raster layer (GeoPackage)

Raster layer from a GeoPackage dataset


// Copyright 2017 Esri.
// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.
// You may obtain a copy of the License at:
// Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific
// language governing permissions and limitations under the License.

using Esri.ArcGISRuntime.Data;
using Esri.ArcGISRuntime.Mapping;
using Esri.ArcGISRuntime.Rasters;
using Esri.ArcGISRuntime.UI.Controls;
using Foundation;
using System.Linq;
using ArcGISRuntime.Samples.Managers;
using UIKit;

namespace ArcGISRuntime.Samples.RasterLayerGeoPackage
        "Raster layer (GeoPackage)",
        "This sample demonstrates how to open a GeoPackage and show a GeoPackage raster in a raster layer.",
        "The GeoPackage will be downloaded from an ArcGIS Online portal automatically.")]
    public class RasterLayerGeoPackage : UIViewController
        // Create and hold reference to the used MapView
        private MapView _myMapView = new MapView();

        public RasterLayerGeoPackage()
            Title = "Raster layer (GeoPackage)";

        public override void ViewDidLoad()

        public override void ViewDidLayoutSubviews()

            // Update the UI to account for new layout
            _myMapView.Frame = new CoreGraphics.CGRect(0, 0, View.Bounds.Width, View.Bounds.Height);

        private async void Initialize()
            // Create a new map 
            _myMapView.Map = new Map(Basemap.CreateLightGrayCanvas());

            // Get the full path
            string geoPackagePath = GetGeoPackagePath();

            // Open the GeoPackage
            GeoPackage myGeoPackage = await GeoPackage.OpenAsync(geoPackagePath);

            // Read the raster images and get the first one
            Raster gpkgRaster = myGeoPackage.GeoPackageRasters.FirstOrDefault();

            // Make sure an image was found in the package
            if (gpkgRaster == null) { return; }

            // Create a layer to show the raster
            RasterLayer newLayer = new RasterLayer(gpkgRaster);
            await newLayer.LoadAsync();

            // Set the viewpoint
            await _myMapView.SetViewpointAsync(new Viewpoint(newLayer.FullExtent));

            // Add the image as a raster layer to the map (with default symbology)

        private static string GetGeoPackagePath()
            return DataManager.GetDataFolder("68ec42517cdd439e81b036210483e8e7", "AuroraCO.gpkg");

        private void CreateLayout()
            // Add MapView to the page

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