Google Maps for Rails with Gmaps4 Rails: Tutorial on how to post and filter locations. In this blog post, I’ll review how to geocode and map locations using Gmaps4rails, an awesome gem from Benjamin Roth.
I’ll also show you how to use javascript to create filters to show/hide markers using data from your model. Lets get started Installing Gmaps4rails In your Gemfile, add the gem gem 'gmaps4rails' Bundle and from your commandline, instruct the below to generate the Gmaps4rails coffeescript files. Apneadiving/Google-Maps-for-Rails. Mojombo/clippy. Seyhunak/twitter-bootstrap-rails.