/* * Copyright 2003-2006, 2009, 2017, 2020 United States Government, as represented * by the Administrator of the National Aeronautics and Space Administration. * All rights reserved. * * The NASAWorldWind/WebWorldWind platform is 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 http://www.apache.org/licenses/LICENSE-2.0 * * 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. * * NASAWorldWind/WebWorldWind also contains the following 3rd party Open Source * software: * * ES6-Promise – under MIT License * libtess.js – SGI Free Software License B * Proj4 – under MIT License * JSZip – under MIT License * * A complete listing of 3rd Party software notices and licenses included in * WebWorldWind can be found in the WebWorldWind 3rd-party notices and licenses * PDF found in code directory. */ /** * Illustrates how to load and display a GeoTiff file. */ requirejs(['./WorldWindShim', './LayerManager'], function (WorldWind, LayerManager) { "use strict"; // Tell WorldWind to log only warnings and errors. WorldWind.Logger.setLoggingLevel(WorldWind.Logger.LEVEL_WARNING); // Create the WorldWindow. var wwd = new WorldWind.WorldWindow("canvasOne"); // Create and add imagery layers to the WorldWindow. var layers = [ //Imagery layers. {layer: new WorldWind.BMNGLayer(), enabled: false}, {layer: new WorldWind.BingAerialWithLabelsLayer(null), enabled: true}, // Add atmosphere layer on top of all base layers. {layer: new WorldWind.AtmosphereLayer(), enabled: true}, // WorldWindow UI layers. {layer: new WorldWind.CompassLayer(), enabled: true}, {layer: new WorldWind.CoordinatesDisplayLayer(wwd), enabled: true}, {layer: new WorldWind.ViewControlsLayer(wwd), enabled: true} ]; for (var l = 0; l < layers.length; l++) { layers[l].layer.enabled = layers[l].enabled; wwd.addLayer(layers[l].layer); } // Create GeoTiff layer and add it to the WorldWindow's layer list. Disabled until its image is loaded. var geoTiffLayer = new WorldWind.RenderableLayer("GeoTiff"); geoTiffLayer.enabled = false; geoTiffLayer.showSpinner = true; wwd.addLayer(geoTiffLayer); var resourceUrl = "https://worldwind.arc.nasa.gov/web/examples/data/black_sea_rgb.tif"; // Load the GeoTiff using the Reader's built-in XHR retrieval function. WorldWind.GeoTiffReader.retrieveFromUrl(resourceUrl, function (geoTiffReader, xhrStatus) { if (!geoTiffReader) { // Error, provide the status text to the console. console.log(xhrStatus); return; } // Display the obtained GeoTiff imagery with a WorldWind SurfaceImage renderable. var surfaceGeoTiff = new WorldWind.SurfaceImage( geoTiffReader.metadata.bbox, new WorldWind.ImageSource(geoTiffReader.getImage()) ); // Add the SurfaceImage to the GeoTiff layer and update the layer manager. geoTiffLayer.addRenderable(surfaceGeoTiff); geoTiffLayer.enabled = true; geoTiffLayer.showSpinner = false; layerManager.synchronizeLayerList(); // Redraw the WorldWindow and point the camera towards the imagery location. wwd.redraw(); wwd.goTo(new WorldWind.Position(43.80, 28.57, 30000)); }); // Create a layer manager for controlling layer visibility. var layerManager = new LayerManager(wwd); });