69 lines
1.4 KiB
JavaScript
69 lines
1.4 KiB
JavaScript
goog.require('ol.Map');
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goog.require('ol.Overlay');
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goog.require('ol.View2D');
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goog.require('ol.coordinate');
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goog.require('ol.layer.TileLayer');
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goog.require('ol.proj');
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goog.require('ol.source.TileJSON');
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var layer = new ol.layer.TileLayer({
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source: new ol.source.TileJSON({
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url: 'http://api.tiles.mapbox.com/v3/' +
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'mapbox.natural-earth-hypso-bathy.jsonp',
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crossOrigin: 'anonymous'
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})
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});
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var map = new ol.Map({
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layers: [layer],
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target: 'map',
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view: new ol.View2D({
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center: [0, 0],
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zoom: 2
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})
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});
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/**
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* Elements that make up the popup.
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*/
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var container = document.getElementById('popup-container');
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var content = document.getElementById('popup-content');
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var closer = document.getElementById('popup-closer');
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/**
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* Add a click handler to hide the popup.
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* @return {boolean} Don't follow the href.
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*/
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closer.onclick = function() {
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container.style.display = 'none';
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return false;
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};
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/**
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* Create an overlay to anchor the popup to the map.
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*/
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var overlay = new ol.Overlay({
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map: map,
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element: container
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});
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/**
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* Add a click handler to the map to render the popup.
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*/
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map.on('click', function(evt) {
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var coordinate = evt.getCoordinate();
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var hdms = ol.coordinate.toStringHDMS(ol.proj.transform(
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coordinate, 'EPSG:3857', 'EPSG:4326'));
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overlay.setPosition(coordinate);
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content.innerHTML = '<p>The location you clicked was:</p><code>' + hdms +
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'</code>';
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container.style.display = 'block';
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});
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