Gmaps4rails is developed to simply create a Google Map (Gmaps):
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directly from your model,
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from your own json
It’s based on Ruby on Rails 3 Engines and uses Google Maps API V3.
gem install gmaps4rails
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<%= yield :head %> (in your header)
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<%= yield :scripts %> (in your footer)
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config.serve_static_assets = true (in your production.rb), or copy/paste gmaps4rails.css & gmaps4rail.js files in your app.
In your model, add:
acts_as_gmappable
def gmaps4rails_address self.address #describe how to retrieve the address from your model end
Create a migration and add the following fields to your table (here users):
add_column :users, :latitude, :float #you can change the name, see wiki add_column :users, :longitude, :float #you can change the name, see wiki add_column :users, :gmaps, :boolean #not mandatory, see wiki
In your controller:
@json = User.all.to_gmaps4rails
In your view:
<%= gmaps4rails(@json) %>
Done!
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Markers with Info window, Custom Picture
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Circles, Polylines, Polygons
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Geocode directly your address and retrieve coordinates.
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Wrapper for ‘Direction’, giving instructions to go from point A to point B
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Auto-adjust the map to your markers
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Refresh your map on the fly with Javascript (and Ajax)
Feel free to contact us, you have your say.
MIT license.
Authors: Benjamin Roth, David Ruyer
Contributor: Alex Vorobiev