/* * 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 shapefiles. */ 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 layers to the WorldWindow. var layers = [ // Imagery layers. {layer: new WorldWind.BMNGLayer(), enabled: true}, {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); } // Set up the common placemark attributes. var placemarkAttributes = new WorldWind.PlacemarkAttributes(null); placemarkAttributes.imageScale = 0.025; placemarkAttributes.imageColor = WorldWind.Color.WHITE; placemarkAttributes.labelAttributes.offset = new WorldWind.Offset( WorldWind.OFFSET_FRACTION, 0.5, WorldWind.OFFSET_FRACTION, 1.0); placemarkAttributes.imageSource = WorldWind.configuration.baseUrl + "images/white-dot.png"; // Callback function for configuring shapefile visualization. var shapeConfigurationCallback = function (attributes, record) { var configuration = {}; configuration.name = attributes.values.name || attributes.values.Name || attributes.values.NAME; if (record.isPointType()) { // Configure point-based features (cities, in this example) configuration.name = attributes.values.name || attributes.values.Name || attributes.values.NAME; configuration.attributes = new WorldWind.PlacemarkAttributes(placemarkAttributes); if (attributes.values.pop_max) { var population = attributes.values.pop_max; configuration.attributes.imageScale = 0.01 * Math.log(population); } } else if (record.isPolygonType()) { // Configure polygon-based features (countries, in this example). configuration.attributes = new WorldWind.ShapeAttributes(null); // Fill the polygon with a random pastel color. configuration.attributes.interiorColor = new WorldWind.Color( 0.375 + 0.5 * Math.random(), 0.375 + 0.5 * Math.random(), 0.375 + 0.5 * Math.random(), 1.0); // Paint the outline in a darker variant of the interior color. configuration.attributes.outlineColor = new WorldWind.Color( 0.5 * configuration.attributes.interiorColor.red, 0.5 * configuration.attributes.interiorColor.green, 0.5 * configuration.attributes.interiorColor.blue, 1.0); } return configuration; }; var shapefileLibrary = "https://worldwind.arc.nasa.gov/web/examples/data/shapefiles/naturalearth"; // Create data for the world. var worldLayer = new WorldWind.RenderableLayer("Countries"); var worldShapefile = new WorldWind.Shapefile(shapefileLibrary + "/ne_110m_admin_0_countries/ne_110m_admin_0_countries.shp"); worldShapefile.load(null, shapeConfigurationCallback, worldLayer); wwd.addLayer(worldLayer); // Create data for cities. var cityLayer = new WorldWind.RenderableLayer("Cities"); var cityShapefile = new WorldWind.Shapefile(shapefileLibrary + "/ne_50m_populated_places_simple/ne_50m_populated_places_simple.shp"); cityShapefile.load(null, shapeConfigurationCallback, cityLayer); wwd.addLayer(cityLayer); // Create data for Fort Story (Over Virginia Beach, VA. It can be seen near Norfolk.) var fortStory = "https://worldwind.arc.nasa.gov/web/examples/data/shapefiles/misc/FortStory/Trident-Spectre-Indigo-i.shp"; var fortStoryLayer = new WorldWind.RenderableLayer("Fort Story"); var fortStoryShapefile = new WorldWind.Shapefile(fortStory); fortStoryShapefile.load(null, null, fortStoryLayer); wwd.addLayer(fortStoryLayer); // Create a layer manager for controlling layer visibility. var layerManager = new LayerManager(wwd); });