Added geo_field macro and some extra README instructions

Gemfile

@@ -1,7 +1,7 @@
 source 'http://rubygems.org'
 gemspec # Specify  gem's dependencies in mongoid_geospatial.gemspec
 
-gem 'mongoid', '~> 3.0'
+gem 'mongoid', '>= 3.0'
 
 group :development do
   gem 'rgeo'
@@ -12,3 +12,8 @@ group :development do
   gem 'pry'
   # gem 'fuubar'
 end
+
+group :test do
+  gem 'dbf'
+  gem 'nokogiri'
+end

README.md

@@ -14,7 +14,6 @@ There are no plans to support MongoDB < 2.0
 There are no plans to support Mongoid <= 2.0
 
 
-
 Quick Start
 -----------
 
@@ -44,12 +43,33 @@ You can also use an external Geometric/Spatial alongside.
     end
 
 
+For geo points, an extra macro `geo_field` is available
+
+
+    class Place
+      include Mongoid::Document
+      include Mongoid::Geospatial
+
+      # field :location, type: Point, spatial: true
+      geo_field :location
+    end
+
+
 Generate indexes on MongoDB:
 
 
     rake db:mongoid:create_indexes
 
 
+Index programatically via https://github.com/kristianmandrup/mongoid_indexing gem
+
+
+    Mongoid::Indexing.create_indexes
+
+
+This is fx useful when running specs or when working with spatials on a gem or engine.
+
+
 Points
 ------
 

lib/mongoid_geospatial/geospatial.rb

@@ -41,6 +41,9 @@ def self.use_georuby
     end
 
     module ClassMethods #:nodoc:
+      def geo_field name, options = {}
+        field name, {type: Mongoid::Geospatial::Point, spatial: true}.merge(options)
+      end
 
       # create spatial index for given field
       # @param [String,Symbol] name

mongoid_geospatial.gemspec

@@ -16,9 +16,10 @@ Gem::Specification.new do |gem|
   gem.version       = Mongoid::Geospatial::VERSION
 
   gem.add_dependency('mongoid', ['>= 3.0.0'])
-  gem.add_dependency('activesupport', ["~> 3.2"])
-  gem.add_development_dependency('yard', ["~>0.6.0"])
-  gem.add_development_dependency('rspec', ['~>2.11'])
+  gem.add_dependency('activesupport', [">= 3.2"])
+
+  gem.add_development_dependency('yard', [">=0.6.0"])
+  gem.add_development_dependency('rspec', ['>=2.11'])
   gem.add_development_dependency('mocha', ['>= 0'])
   gem.add_development_dependency('will_paginate', ['>= 0'])
   gem.add_development_dependency('kaminari', ['>= 0'])

spec/models/bar.rb

@@ -3,10 +3,10 @@ class Bar
   include Mongoid::Geospatial
 
   field :name,     :type => String
-  field :location, :type => Point, :spatial => true
+
+  geo_field :location
 
   has_one :rating, :as => :ratable
 
   spatial_scope :location
-
 end