- def describe_location(lat, lon, zoom = nil, language = nil)
- zoom = zoom || 14
- language = language || request.user_preferred_languages.join(',')
- url = "http://nominatim.openstreetmap.org/reverse?lat=#{lat}&lon=#{lon}&zoom=#{zoom}&accept-language=#{language}"
-
- begin
- response = OSM::Timer.timeout(4) do
- REXML::Document.new(Net::HTTP.get(URI.parse(url)))
- end
- rescue Exception
- response = nil
- end
-
- if response and result = response.get_text("reversegeocode/result")
- result.to_s
- else
- "#{number_with_precision(lat, :precision => 3)}, #{number_with_precision(lon, :precision => 3)}"
- end
- end
-
- def user_image(user, options = {})
- options[:class] ||= "user_image"
-
- image_tag user.image.url(:large), options
- end
-
- def user_thumbnail(user, options = {})
- options[:class] ||= "user_thumbnail"
-
- image_tag user.image.url(:small), options
- end
-
- def preferred_editor
- if params[:editor]
- params[:editor]
- elsif @user and @user.preferred_editor
- @user.preferred_editor
- else
- DEFAULT_EDITOR
- end
- end
-
- def scale_to_zoom(scale)
- Math.log(360.0 / (scale.to_f * 512.0)) / Math.log(2.0)
- end
-