diff --git a/examples/google-map.html b/examples/google-map.html new file mode 100644 index 0000000000..31896f93cd --- /dev/null +++ b/examples/google-map.html @@ -0,0 +1,52 @@ + + + + + + + + + + + + Google Maps integration example + + + +
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+ OpenLayers 3 Examples +
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Google Maps integration example

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Example of a GMaps map with an ol3 map as control, to give users a Google base map with ol3 content on top.

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See the google-map.js source to see how this is done.

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+ + + + + + + diff --git a/examples/google-map.js b/examples/google-map.js new file mode 100644 index 0000000000..7207961a0d --- /dev/null +++ b/examples/google-map.js @@ -0,0 +1,59 @@ +goog.require('ol.Map'); +goog.require('ol.RendererHint'); +goog.require('ol.View2D'); +goog.require('ol.interaction'); +goog.require('ol.interaction.DragPan'); +goog.require('ol.layer.Vector'); +goog.require('ol.parser.GeoJSON'); +goog.require('ol.proj'); +goog.require('ol.source.Vector'); + + +var gmap = new google.maps.Map(document.getElementById('map'), { + center: new google.maps.LatLng(0, 0), + zoom: 1, + disableDefaultUI: true, + keyboardShortcuts: false, + draggable: false, + disableDoubleClickZoom: true, + scrollwheel: false, + streetViewControl: false +}); + +var olmap = document.createElement('div'); +olmap.style['width'] = '100%'; +olmap.style['height'] = '100%'; +gmap.controls[google.maps.ControlPosition.TOP_LEFT].push(olmap); + +google.maps.event.addListenerOnce(gmap, 'tilesloaded', function() { + var vector = new ol.layer.Vector({ + source: new ol.source.Vector({ + parser: new ol.parser.GeoJSON(), + url: 'data/countries.geojson' + }) + }); + + var center = gmap.getCenter(); + var map = new ol.Map({ + layers: [vector], + interactions: ol.interaction.defaults({dragPan: false}) + .extend([new ol.interaction.DragPan({kinetic: false})]), + renderer: ol.RendererHint.CANVAS, + target: olmap, + view: new ol.View2D({ + center: ol.proj.transform([center.lng(), center.lat()], + 'EPSG:4326', 'EPSG:3857'), + zoom: gmap.getZoom() + }) + }); + + var view = map.getView().getView2D(); + view.on('change:center', function() { + var center = ol.proj.transform(view.getCenter(), + 'EPSG:3857', 'EPSG:4326'); + gmap.setCenter(new google.maps.LatLng(center[1], center[0])); + }); + view.on('change:resolution', function() { + gmap.setZoom(view.getZoom()); + }); +});