lib/mongoid/geospatial/helpers/sphere.rb
#
# Mongoid fields extension
#
# field :foo, :sphere => true
#
Mongoid::Fields.option :sphere do |model, field, _options|
# options = {} unless options.kind_of?(Hash)
model.class_eval do
spatial_fields << field.name.to_sym
spatial_fields_indexed << field.name.to_sym
# Create 2Dsphere index
sphere_index field.name
end
end