####Dependencies
####Usage
Add geojson_renderer.rb
file into config/initializers folder
Add array.rb file in /lib/core_ext folder
Add require 'core_ext/array.rb'
in environment.rb
call render :geojson => @objects
from controller
- assumes id will be used for the feature id
- assumes geom will be used for the geometry field
- :only and :except act same as render :json => @objects
####Future add add_methods option
thanks to @beerlington for his inpiration from this post-rails-3/
add better error checking