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Which Apis?

Since 0.10.0, you can choose your map API from the following:

How to?

<%= gmaps("markers" => {"data" => @json},
     "map_options" =>  { "provider" => "openlayers"}) %> 

For bing and mapquest, you need to provide an API key. Simply pass it as an argument:

<%= gmaps("markers" => {"data" => @json},
     "map_options" => { "provider" => "mapquest", "provider_key" => MAPQUEST_KEY, "auto_adjust" => true,"center_on_user" => true }) %>

Or:

<%= gmaps("markers" => {"data" => @json},
     "map_options" => { "zoom" => 5, "provider" => "bing", "provider_key" => BING_KEY, "auto_adjust" => true,"center_on_user" => true }) %> 

Limitations

Not every method I created for google maps is implemented in the other APIs. See current state of other APIs implementation

Special options

GoogleMaps

If you lack some options for maps and markers, you can simply pass what you need in :raw:

<%= gmaps(:markers => {:data => @json, :options => { :raw => '{ animation: google.maps.Animation.BOUNCE }' } },
          :map_options => { :raw => '{ disableDefaultUI: true, scrollwheel: false }' }) %> 

Infowindows are stored to allow callback access: Gmaps.map.markers[0].infowindow

The gmaps helpers load the google maps api:

<script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false&amp;libraries=geometry"></script>

If you want to load additional apis (such as places), simply pass them in the hash:

<%= gmaps({
          "map_options" => {"libraries" => ["places"] },
          ... #add here data you want to display
          })
 %> 

If you want to pass special options for localization, you can pass them in the hash:

<%= gmaps({
          "map_options" => {:language => 'ru', :hl => 'ru', :region => 'ru'}
          })
 %> 

more info: https://developers.google.com/maps/documentation/javascript/basics#Localization

Bing

For Infowindows, you can have description which is raw text or htmlContent:

<%= gmaps("markers" => {"data" => @json, "options" => {"infobox" => "htmlContent" } }) %> 

For Map type, you have the choice among: aerial, auto, birdseye, collinsBart, mercator, ordnanceSurvey and road (default).

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