2019-11-04 10:59:08 +01:00
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<!doctype html>
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<html lang='en'>
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<head>
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<meta charset='UTF-8'>
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<title>GeoGraphics</title>
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<link rel='stylesheet' href='../../3rdparty/highlight/styles/default.css'>
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<link rel='stylesheet' href='../../../css/doctest.css'>
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<script src="../../../dist/iwmlib.3rdparty.js"></script>
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<script src="../../../dist/iwmlib.js"></script>
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<script src="../../../dist/iwmlib.pixi.js"></script>
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<style>
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.inline-showcase {
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display: flex
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}
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.map-example {
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display: inline-block;
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width: 256px;
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margin: 5px;
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}
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</style>
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</head>
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<script>
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let capitals = {
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abidjan: { x: 5.349470, y: -4.006472 },
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berlin: { x: 52.525430, y: 13.385291 },
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canberra: { x: -35.282025, y: 149.128648 },
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capetown: { x: -33.925448, y: 18.416962 },
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moscow: { x: 55.750892, y: 37.622799 },
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washington: { x: 38.895650, y: -77.031407 },
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rio: { x: -22.871400, y: -43.280490 },
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tokio: { x: 35.696278, y: 139.731366 }
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}
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2019-11-04 18:20:32 +01:00
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window.apps = [
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]
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2019-11-04 10:59:08 +01:00
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function createApp(view) {
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let app = new MapApp({
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view,
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focus: { x: 0, y: 0 },
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zoom: 1,
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width: 512,
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height: 512,
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coordsLogging: true
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})
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const osmworld = "../assets/maps/osm/0/0/0.png"
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const wikimedia = "../assets/maps/wikimedia-world-robinson/2000px-BlankMap-World.png"
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2019-11-04 18:20:32 +01:00
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2019-11-04 10:59:08 +01:00
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return new Promise((resolve, reject) => {
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setTimeout(() => {
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reject("Creating app timed out.")
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}, 3000)
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app.loadSprites([
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osmworld,
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wikimedia
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], (sprites) => {
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let osmMap = new ImageMap(sprites.get(osmworld), new MapData(new Projection.Mercator()), { cover: false })
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let wikimediaMap = new ImageMap(sprites.get(wikimedia), new MapData(new Projection.Robinson(10)), {
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baseZoomHeight: sprites.get(osmworld).texture.height,
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cover: false
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})
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app.addMaps({
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"osm": osmMap, "wiki": wikimediaMap
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})
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app.selectMap("osm")
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app.setup().run()
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2019-11-04 18:20:32 +01:00
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window.apps.push(app)
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2019-11-04 10:59:08 +01:00
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resolve(app)
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}, { resolutionDependent: false })
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})
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}
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function enableSwitch(button, app) {
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button.addEventListener("click", () => {
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let next = (app.activeMapKey == "osm") ? "wiki" : "osm"
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console.log("CLICKED")
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app.selectMap(next)
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})
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}
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</script>
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<body onload='Doctest.run()'>
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<h1>GeoGraphics</h1>
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<p> GeoGraphics are graphical objects, that does not store the graphics information
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in screen space, but in geographical coordinates. Therefore GeoGraphics must be
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placed on GeoLayers to work properly. </p>
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<p><i>
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Note: As GeoLayers are always children of a map layer. When the map is changed
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all GeoLayers are notified via the 'adaptTo(map)' method.</i></p>
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<p>
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The geolayers forward this 'adaptTo' to all children that are GeoGraphics.
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Which adjust their so called 'point' data to the new map.</p>
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</ul>
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<nav>
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<ul>
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<li><a href="#geopoint">Gep Point</a></li>
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<li><a href="#geoline">Geo Line</a></li>
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<li><a href="#geoshape">Geo Shape</a></li>
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</ul>
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</nav>
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<!--GeoPoint -->
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<section id="geopoint">
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<h2>GeoPoint</h2>
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<p>GeoPoint is a single coordinate in the map.</p>
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<canvas id="geopoint_canvas"></canvas>
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<div class=" controls">
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<button id="geopoint_switch">Change Map</button>
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</div>
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<script class="doctest">
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; (function () {
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createApp(geopoint_canvas).then(app => {
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2019-11-04 18:20:32 +01:00
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let capitalContainer = new PIXI.Container()
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let capitalLayer = new GeoLayer(capitalContainer)
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2019-11-04 10:59:08 +01:00
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for (key in capitals) {
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let capitalPoint = new GeoPoint(capitals[key], {
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/**
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* To style GeoGraphics, the fill has to be set in the
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* onDraw callback.
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*
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* Note: GeoPoints are the only GeoGraphic with no
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* initial geometry attached. These have to be drawn to
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* the graphics object manually.
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*/
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onDraw: function () {
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this.graphics.beginFill(0xFF0000)
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this.graphics.drawCircle(0, 0, 5)
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this.graphics.endFill()
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}
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})
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2019-11-04 18:20:32 +01:00
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capitalContainer.addChild(capitalPoint)
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2019-11-04 10:59:08 +01:00
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}
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enableSwitch(geopoint_switch, app)
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2019-11-04 18:20:32 +01:00
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// app.mapLayer.place(capitalLayer)
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app.mapLayer.addLayer(capitalLayer)
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2019-11-04 10:59:08 +01:00
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}).catch(console.error)
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})()
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</script>
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</section>
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2019-11-04 18:20:32 +01:00
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<!-- <section id="geoline">
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2019-11-04 10:59:08 +01:00
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<h2>GeoLine</h2>
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<p>Geo line is a set of points, that are rendered as a line and can be updated individually.</p>
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<canvas id="geoline_canvas"></canvas>
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<div class="controls">
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<button id="geoline_switch">Change Map</button>
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<label>closed
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<input type="checkbox" id="geoline_close_toggle">
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</label>
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</div>
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<script class="doctest">
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; (function () {
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createApp(geoline_canvas).then(app => {
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let overlay = new GeoLayer()
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//// You can initialize the GeoLine with a set of coordinates.
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let newYorkRooseveltAirField = { x: 40.738473, y: -73.613131 }
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let aeroport_de_Paris_le_bourget = { x: 48.960373, y: 2.436891 }
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// Instantiate the geo line.
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let lindberghTransatlanticFlight = new GeoLine([
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newYorkRooseveltAirField,
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aeroport_de_Paris_le_bourget
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], {
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// Define how the line should be drawn.
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// Note: This is called everytime the GeoGraphic
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// has to adapt.
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onDraw: function () {
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this.graphics.lineStyle(3, 0xf8baea)
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}
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})
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// Just place it on a GeoLayer.
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overlay.place(lindberghTransatlanticFlight)
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// Another option is to add points with the *addPoint()* method.
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// This is useful for dynamic lines.
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let geoline = new GeoLine([], {
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onDraw: function () {
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this.graphics.lineStyle(3, 0x00cc54, 0.5)
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}
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})
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overlay.place(geoline)
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for (let [name, coordinates] of Object.entries(capitals)) {
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geoline.addPoint(coordinates)
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}
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// Don't forget to add the geolayer to the maplayer.
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app.mapLayer.place(overlay)
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enableSwitch(geoline_switch, app)
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geoline_close_toggle.addEventListener("input", () => {
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geoline.closed = geoline_close_toggle.checked
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})
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}).catch(console.error)
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})()
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</script>
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</section>
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<section id="geoshape">
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<h2>Geoshape</h2>
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<p>GeoGraphics represent Polygons, that are drawn on a map. If the map change, the graphic adapts to the new map
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and represents
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the same geographical shape.</p>
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<div class="inline-showcase">
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<div class="map-example">
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<canvas id="geoshape_canvas"></canvas>
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</div>
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</div>
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<button id="geoshape_switch">Change Map</button>
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<script class='doctest'>
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(function () {
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createApp(geoshape_canvas).then((app) => {
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let triangle = [
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[capitals.berlin,
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capitals.moscow,
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capitals.tokio,
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capitals.canberra,
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capitals.capetown]
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]
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let countryLayer = new GeoLayer({ name: "Country Layer" })
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let shape = new GeoShape(triangle, {
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onDraw: function () {
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this.graphics.beginFill(0xFF0000)
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}
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})
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/**
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* The following click handler should trigger when either the
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* shape or a hole is clicked. This is the default and intended
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* behaviour, as holes are considered to be contained by the
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* desired geometry and should not interefere with any userinteraction.
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*/
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shape.graphics.interactive = true
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shape.graphics.on("pointerdown", () => {
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app.showNotification("Shape was clicked!")
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})
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countryLayer.place(shape)
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app.mapLayer.place(countryLayer)
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enableSwitch(geoshape_switch, app)
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}).catch(console.error)
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})()
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</script>
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2019-11-04 18:20:32 +01:00
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</section>-->
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2019-11-04 10:59:08 +01:00
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</body>
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2019-11-04 18:20:32 +01:00
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</html>
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