mirror of
https://github.com/NASAWorldWind/WebWorldWind.git
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89 lines
3.8 KiB
JavaScript
89 lines
3.8 KiB
JavaScript
/*
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* Copyright 2003-2006, 2009, 2017, 2020 United States Government, as represented
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* by the Administrator of the National Aeronautics and Space Administration.
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* All rights reserved.
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*
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* The NASAWorldWind/WebWorldWind platform is licensed under the Apache License,
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* Version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License
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* at http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software distributed
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* under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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* CONDITIONS OF ANY KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations under the License.
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*
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* NASAWorldWind/WebWorldWind also contains the following 3rd party Open Source
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* software:
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*
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* ES6-Promise – under MIT License
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* libtess.js – SGI Free Software License B
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* Proj4 – under MIT License
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* JSZip – under MIT License
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*
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* A complete listing of 3rd Party software notices and licenses included in
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* WebWorldWind can be found in the WebWorldWind 3rd-party notices and licenses
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* PDF found in code directory.
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*/
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/**
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* Illustrates how to use a GoToAnimator to smoothly move the view to a new location. This example listens for
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* terrain picks and moves the view to the location picked.
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*/
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requirejs(['./WorldWindShim',
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'./LayerManager'],
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function (WorldWind,
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LayerManager) {
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"use strict";
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// Tell WorldWind to log only warnings and errors.
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WorldWind.Logger.setLoggingLevel(WorldWind.Logger.LEVEL_WARNING);
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// Create the WorldWindow.
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var wwd = new WorldWind.WorldWindow("canvasOne");
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// Create and add layers to the WorldWindow.
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var layers = [
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// Imagery layers.
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{layer: new WorldWind.BMNGLayer(), enabled: true},
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{layer: new WorldWind.BingAerialWithLabelsLayer(null), enabled: true},
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// Add atmosphere layer on top of all base layers.
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{layer: new WorldWind.AtmosphereLayer(), enabled: true},
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// WorldWindow UI layers.
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{layer: new WorldWind.CompassLayer(), enabled: true},
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{layer: new WorldWind.CoordinatesDisplayLayer(wwd), enabled: true},
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{layer: new WorldWind.ViewControlsLayer(wwd), enabled: true}
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];
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for (var l = 0; l < layers.length; l++) {
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layers[l].layer.enabled = layers[l].enabled;
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wwd.addLayer(layers[l].layer);
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}
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// Now set up to handle clicks and taps.
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// The common gesture-handling function.
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var handleClick = function (recognizer) {
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// Obtain the event location.
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var x = recognizer.clientX,
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y = recognizer.clientY;
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// Perform the pick. Must first convert from window coordinates to canvas coordinates, which are
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// relative to the upper left corner of the canvas rather than the upper left corner of the page.
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var pickList = wwd.pick(wwd.canvasCoordinates(x, y));
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// If only one thing is picked and it is the terrain, tell the WorldWindow to go to the picked location.
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if (pickList.objects.length === 1 && pickList.objects[0].isTerrain) {
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var position = pickList.objects[0].position;
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wwd.goTo(new WorldWind.Location(position.latitude, position.longitude));
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}
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};
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// Listen for mouse clicks.
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var clickRecognizer = new WorldWind.ClickRecognizer(wwd, handleClick);
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// Listen for taps on mobile devices.
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var tapRecognizer = new WorldWind.TapRecognizer(wwd, handleClick);
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// Create a layer manager for controlling layer visibility.
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var layerManager = new LayerManager(wwd);
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}); |