anchor.diff:                end,
       Content.
   
  --spec getRingChart_google() -> html_type().
  -getRingChart_google() ->
  -    RealRing = statistics:get_ring_details(),
  -    Ring = [NodeDetails || {ok, NodeDetails} <- RealRing],
  -    RingSize = length(Ring),
  -    if
  -        RingSize =:= 0 ->
  -            {p, [], "empty ring"};
  -        RingSize =:= 1 ->
  -            {img, [{src, "http://chart.apis.google.com/chart?cht=p&chco=008080&chd=t:1&chs=600x350"}], ""};
  -        true ->
  -            try
  -              PieURL = renderRingChart_google(Ring),
  -              LPie = length(PieURL),
  -              if
  -                  LPie =:= 0  -> throw({urlTooShort, PieURL});
  -                  LPie < 1023 -> {p, [], [{img, [{src, PieURL}], ""}]};
  -                  true        -> throw({urlTooLong, PieURL})
  -              end
  -            catch
  -                _:_ -> {p, [], "Sorry, pie chart not available (too many nodes or other error)."}
  -            end
  -    end.
  -
  --spec renderRingChart_google(Ring::[node_details:node_details(),...]) -> string().
  -renderRingChart_google(Ring) ->
  -    try
  -        URLstart = "http://chart.apis.google.com/chart?cht=p&chco=008080",
  -        Sizes = [ begin
  -                      Me_tmp = node:id(node_details:get(Node, node)),
  -                      Pred_tmp = node:id(node_details:get(Node, pred)),
  -                      Diff = ?RT:get_range(Pred_tmp, Me_tmp) * 100 / ?RT:n(),
  -                      io_lib:format("~f", [Diff])
  -                  end || Node <- Ring ],
  -        Hostinfos = [ node_details:get(Node, hostname) ++ " (" ++
  -                          integer_to_list(node_details:get(Node, load)) ++ ")"
  -                    || Node <- Ring ],
  -        CHD = "chd=t:" ++ string:join(Sizes, ","),
  -        CHS = "chs=600x350",
  -        CHL = "chl=" ++ string:join(Hostinfos, "|"),
  -        URLstart ++ "&" ++ CHD ++ "&" ++ CHS ++ "&" ++ CHL
  -    catch % ?RT methods might throw
  -        throw:not_supported -> ""
  -    end.
  -
   -spec getRingRendered() -> html_type().
   getRingRendered() ->
       RealRing = statistics:get_ring_details(),
  
positive.code: %%%-----------------------------Ring----------------------------------
  
  -spec getRingChart() -> [html_type()].
  getRingChart() -> getRingChart_flot().
  
  -spec getRingChart_flot() -> [html_type()].
  getRingChart_flot() ->
      RealRing = statistics:get_ring_details(),
      Ring = [NodeDetails || {ok, NodeDetails} <- RealRing],
      RingSize = length(Ring),
  
negative.code: -include("yaws_api.hrl").
  -include("scalaris.hrl").
  
  -export([getRingChart/0, getRingRendered/0, getIndexedRingRendered/0,
           getGossipRendered/0, getVivaldiMap/0,
           lookup/1, set_key/2, delete_key/2, isPost/1]).
  
  