dda51ecec2
This commit adds several features: - rename of class to better reflect its behaviour - full ol.Object support - integration with postrender event for integration with animations and render loop - minimised DOM modifications - more precise positioning - element placed in DIV to avoid modifications to user-supplied element - correctly handle changes to the positioning property
54 lines
1.5 KiB
JavaScript
54 lines
1.5 KiB
JavaScript
goog.require('goog.debug.Console');
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goog.require('goog.debug.Logger');
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goog.require('goog.debug.Logger.Level');
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goog.require('ol.AnchoredElement');
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goog.require('ol.Collection');
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goog.require('ol.Coordinate');
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goog.require('ol.Map');
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goog.require('ol.RendererHints');
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goog.require('ol.View2D');
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goog.require('ol.source.MapQuestOpenAerial');
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if (goog.DEBUG) {
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goog.debug.Console.autoInstall();
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goog.debug.Logger.getLogger('ol').setLevel(goog.debug.Logger.Level.INFO);
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}
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var layer = new ol.layer.TileLayer({
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source: new ol.source.MapQuestOpenAerial()
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});
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var map = new ol.Map({
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layers: new ol.Collection([layer]),
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renderers: ol.RendererHints.createFromQueryData(),
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target: 'map',
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view: new ol.View2D({
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center: new ol.Coordinate(0, 0),
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zoom: 2
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})
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});
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// Vienna label
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var vienna = new ol.AnchoredElement({
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map: map,
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position: ol.Projection.transformWithCodes(
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new ol.Coordinate(16.3725, 48.208889), 'EPSG:4326', 'EPSG:3857'),
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element: document.getElementById('vienna')
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});
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// Popup showing the position the user clicked
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var popup = new ol.AnchoredElement({
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map: map,
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element: document.getElementById('popup')
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});
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map.addEventListener('click', function(evt) {
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var coordinate = evt.getCoordinate();
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popup.getElement().innerHTML =
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'Welcome to ol3. The location you clicked was<br>' +
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ol.Coordinate.toStringHDMS(ol.Projection.transformWithCodes(
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coordinate, 'EPSG:3857', 'EPSG:4326'));
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popup.setPosition(coordinate);
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});
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