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| --- | ||
| name: Report a bug | ||
| about: Let us know so we can fix it! | ||
| --- | ||
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| <!-- | ||
| Thanks for helping us improve Cesium! Please describe what the expected behavior is vs what actually happens. | ||
| Creating a Sandcastle example (https://cesiumjs.org/Cesium/Build/Apps/Sandcastle/) that reproduces the issue helps us a lot in tracking down bugs. Paste the link you get from the "Share" button in Sandcastle below. | ||
| --> | ||
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| Sandcastle example: | ||
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| Browser: | ||
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| Operating System: | ||
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| <!-- | ||
| If you can also contribute a fix, we'd absolutely appreciate it! Fixing a bug in Cesium often means fixing a bug for thousands of applications and millions of end users. | ||
| Check out the contributor guide to get started: | ||
| https://github.com/AnalyticalGraphicsInc/cesium/blob/master/CONTRIBUTING.md | ||
| Just let us know you're working on it and we'd be happy to provide advice and feedback. | ||
| --> |
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| --- | ||
| name: Request a feature | ||
| about: New ideas & improvements to Cesium are always welcome. | ||
| --- | ||
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| <!-- | ||
| Thanks for helping make Cesium better! | ||
| When suggesting an idea, give examples of the intended use case. Features that benefit the wider community are more likely to be prioritized. | ||
| The best way to get your ideas into Cesium is to help us! We love contributions and are always happy to be provide feedback and advice. Check out the contributor guide to get started: | ||
| https://github.com/AnalyticalGraphicsInc/cesium/blob/master/CONTRIBUTING.md | ||
| --> |
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| --- | ||
| name: Ask a question | ||
| about: Please use the forum (https://groups.google.com/forum/#!forum/cesium-dev) for general questions about using Cesium. | ||
| --- | ||
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| :exclamation: Please use the [forum](https://groups.google.com/forum/#!forum/cesium-dev) for asking questions about how to use Cesium and best practices. The core Cesium team actively monitors the forum and we love seeing what people are working on! :exclamation: |
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| <!DOCTYPE html> | ||
| <html lang="en"> | ||
| <head> | ||
| <meta charset="utf-8"> | ||
| <meta http-equiv="X-UA-Compatible" content="IE=edge"> | ||
| <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no"> | ||
| <meta name="description" content="Demonstration of imagery layers with rectangular cutouts."> | ||
| <meta name="cesium-sandcastle-labels" content="Tutorials"> | ||
| <title>Cesium Demo</title> | ||
| <script type="text/javascript" src="../Sandcastle-header.js"></script> | ||
| <script type="text/javascript" src="../../../ThirdParty/requirejs-2.1.20/require.js"></script> | ||
| <script type="text/javascript"> | ||
| require.config({ | ||
| baseUrl : '../../../Source', | ||
| waitSeconds : 60 | ||
| }); | ||
| </script> | ||
| </head> | ||
| <body class="sandcastle-loading" data-sandcastle-bucket="bucket-requirejs.html"> | ||
| <style> | ||
| @import url(../templates/bucket.css); | ||
| </style> | ||
| <div id="cesiumContainer" class="fullSize"></div> | ||
| <div id="loadingOverlay"><h1>Loading...</h1></div> | ||
| <div id="toolbar"> | ||
| <table class="infoPanel"> | ||
| <tbody> | ||
| <tr> | ||
| <td>Click on the Cesium display to start.</td> | ||
| </tr> | ||
| <tr> | ||
| <td>w/s - move cutout north/south</td> | ||
| </tr> | ||
| <tr> | ||
| <td>a/d - move cutout west/east</td> | ||
| </tr> | ||
| </tbody> | ||
| </table> | ||
| </div> | ||
| <script id="cesium_sandcastle_script"> | ||
| function startup(Cesium) { | ||
| 'use strict'; | ||
| //Sandcastle_Begin | ||
| var viewer = new Cesium.Viewer('cesiumContainer', { | ||
| imageryProvider : Cesium.createTileMapServiceImageryProvider({ | ||
| url : Cesium.buildModuleUrl('Assets/Textures/NaturalEarthII') | ||
| }), | ||
| baseLayerPicker : false | ||
| }); | ||
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| var canvas = viewer.canvas; | ||
| canvas.setAttribute('tabindex', '0'); // needed to put focus on the canvas | ||
| canvas.onclick = function() { | ||
| canvas.focus(); | ||
| }; | ||
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| var scene = viewer.scene; | ||
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| var defaultImageryLayerCutout = Cesium.Rectangle.fromDegrees(-90, 20, -70, 40); | ||
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| // Cut a rectangle out of the base layer | ||
| var layers = viewer.imageryLayers; | ||
| var imageryBaseLayer = layers.get(0); | ||
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| imageryBaseLayer.cutoutRectangle = defaultImageryLayerCutout; | ||
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| // Fit a SingleTileImageryProvider inside the cutout on the lowest layer | ||
| layers.addImageryProvider(new Cesium.SingleTileImageryProvider({ | ||
| url : '../images/Cesium_Logo_overlay.png', | ||
| rectangle : defaultImageryLayerCutout | ||
| })); | ||
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| // Add an Earth at Night layer and a "traveling" cutout | ||
| var earthAtNight = layers.addImageryProvider(new Cesium.IonImageryProvider({ assetId: 3812 })); | ||
| earthAtNight.cutoutRectangle = Cesium.Rectangle.fromDegrees(-100, 10, -60, 50); | ||
| earthAtNight.alpha = 0.9; | ||
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| // "traveling" code | ||
| var flags = { | ||
| moveEast : false, | ||
| moveWest : false, | ||
| moveNorth : false, | ||
| moveSouth : false | ||
| }; | ||
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| function getFlagForKeyCode(keyCode) { | ||
| switch (keyCode) { | ||
| case 'W'.charCodeAt(0): | ||
| return 'moveNorth'; | ||
| case 'S'.charCodeAt(0): | ||
| return 'moveSouth'; | ||
| case 'D'.charCodeAt(0): | ||
| return 'moveEast'; | ||
| case 'A'.charCodeAt(0): | ||
| return 'moveWest'; | ||
| default: | ||
| return undefined; | ||
| } | ||
| } | ||
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| document.addEventListener('keydown', function(e) { | ||
| var flagName = getFlagForKeyCode(e.keyCode); | ||
| if (typeof flagName !== 'undefined') { | ||
| flags[flagName] = true; | ||
| } | ||
| }, false); | ||
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| document.addEventListener('keyup', function(e) { | ||
| var flagName = getFlagForKeyCode(e.keyCode); | ||
| if (typeof flagName !== 'undefined') { | ||
| flags[flagName] = false; | ||
| } | ||
| }, false); | ||
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| var moveIncrement = 0.05; | ||
| viewer.clock.onTick.addEventListener(function(clock) { | ||
| var travelingRectangle = earthAtNight.cutoutRectangle; | ||
| if (flags.moveNorth && travelingRectangle.north + moveIncrement < Cesium.Math.PI_OVER_TWO) { | ||
| travelingRectangle.north += moveIncrement; | ||
| travelingRectangle.south += moveIncrement; | ||
| } | ||
| if (flags.moveSouth && travelingRectangle.south - moveIncrement > -Cesium.Math.PI_OVER_TWO) { | ||
| travelingRectangle.north -= moveIncrement; | ||
| travelingRectangle.south -= moveIncrement; | ||
| } | ||
| if (flags.moveEast) { | ||
| travelingRectangle.east += moveIncrement; | ||
| travelingRectangle.west += moveIncrement; | ||
| } | ||
| if (flags.moveWest) { | ||
| travelingRectangle.east -= moveIncrement; | ||
| travelingRectangle.west -= moveIncrement; | ||
| } | ||
| travelingRectangle.east = wrapLongitude(travelingRectangle.east); | ||
| travelingRectangle.west = wrapLongitude(travelingRectangle.west); | ||
| }); | ||
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| function wrapLongitude(value) { | ||
| if (value < -Cesium.Math.PI) { | ||
| return value + Cesium.Math.TWO_PI; | ||
| } | ||
| if (value > Cesium.Math.PI) { | ||
| return value - Cesium.Math.TWO_PI; | ||
| } | ||
| return value; | ||
| } | ||
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| //Sandcastle_End | ||
| Sandcastle.finishedLoading(); | ||
| } | ||
| if (typeof Cesium !== 'undefined') { | ||
| startup(Cesium); | ||
| } else if (typeof require === 'function') { | ||
| require(['Cesium'], startup); | ||
| } | ||
| </script> | ||
| </body> | ||
| </html> |
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