-- Id: 22020
-- More information about this indicator can be found at:
-- http://fxcodebase.com/code/viewtopic.php?f=17&t=66527

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-- Indicator profile initialization routine
-- Defines indicator profile properties and indicator parameters
-- TODO: Add minimal and maximal value of numeric parameters and default color of the streams
function Init()
    indicator:name("Number of ticks per second");
    indicator:description("Number of ticks per second");
    indicator:requiredSource(core.Bar);
    indicator:type(core.Oscillator);

    indicator.parameters:addColor("color", "Bar Color", "Bar Color", core.rgb(255, 0, 0));
end

-- Indicator instance initialization routine
-- Processes indicator parameters and creates output streams
-- TODO: Refine the first period calculation for each of the output streams.
-- TODO: Calculate all constants, create instances all subsequent indicators and load all required libraries
-- Parameters block
local Length;

local first;
local source = nil;

-- Streams block
local Number = nil;

-- Routine
function Prepare(nameOnly)  
    
    source = instance.source;
    first = source:first();
		
	local s, e;
   
    s, e = core.getcandle(source:barSize(), core.now(), 0, 0);
    Length = math.floor((e - s) * 86400 + 0.5);

    local name = profile:id() .. "(" .. source:name() .. ")";
    instance:name(name);
	
	if   (nameOnly) then
        return;
    end
	
   Number = instance:addStream("Number", core.Bar, name, "Number", instance.parameters.color, first);
    Number:setPrecision(math.max(2, instance.source:getPrecision()));
end

-- Indicator calculation routine
-- TODO: Add your code for calculation output values
function Update(period)
    if period >= first and source:hasData(period) then
        Number[period] =  source.volume[period]/Length;
    end
end