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OL3 rotate and move with anchor
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| <!doctype html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta http-equiv="X-UA-Compatible" content="chrome=1"> | |
| <meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width"> | |
| <title>Mobile full screen example</title> | |
| <style type="text/css"> | |
| html, body, .map { | |
| margin: 0; | |
| padding: 0; | |
| width: 800px; | |
| height: 600px; | |
| } | |
| </style> | |
| <link href="http://ol3js.org/en/master/css/ol.css" rel='stylesheet' type='text/css' /> | |
| </head> | |
| <body> | |
| <div id="map" class="map"></div> | |
| <img id="geolocation_marker" src="geolocation_marker.png" /> | |
| <script src="http://erilem.net/ol3/rotation-anchor/build/ol.js" type="text/javascript"></script> | |
| <script src="index.js" type="text/javascript"></script> | |
| </body> | |
| </html> |
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| var view = new ol.View2D({ | |
| center: [0, 0], | |
| zoom: 2 | |
| }); | |
| var map = new ol.Map({ | |
| layers: [ | |
| new ol.layer.Tile({ | |
| source: new ol.source.OSM() | |
| }) | |
| ], | |
| target: 'map', | |
| view: view | |
| }); | |
| var markerEl = document.getElementById('geolocation_marker'); | |
| // Vienna marker | |
| var marker = new ol.Overlay({ | |
| positioning: 'center-center', | |
| element: markerEl, | |
| stopEvent: false | |
| }); | |
| map.addOverlay(marker); | |
| var anchor = [652229.3568390901, 5724714.187664877]; | |
| view.setCenter(anchor); | |
| view.setResolution(2.388657133911758); | |
| marker.setPosition(anchor); | |
| var size = map.getSize(), | |
| width = size[0], | |
| height = size[1]; | |
| map.once("postrender", function() { | |
| var newCenter = map.getCoordinateFromPixel([width / 2, height * 1 / 4]); | |
| view.setCenter(newCenter); | |
| }); | |
| window.setTimeout(function() { | |
| var currentRotation = view.getRotation(); | |
| var rotate = ol.animation.rotate({ | |
| anchor: anchor, | |
| duration: 1000, | |
| rotation: currentRotation | |
| }); | |
| map.beforeRender(rotate); | |
| view.rotate(currentRotation + (Math.PI / 2), anchor); | |
| }, 2000); | |
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