-- More information about this indicator can be found at: -- http://fxcodebase.com/code/viewtopic.php?f=17&t=58535 --+------------------------------------------------------------------+ --| Copyright © 2018, Gehtsoft USA LLC | --| http://fxcodebase.com | --+------------------------------------------------------------------+ --| Developed by : Mario Jemic | --| mario.jemic@gmail.com | --+------------------------------------------------------------------+ --| Support our efforts by donating | --| Paypal: https://goo.gl/9Rj74e | --+------------------------------------------------------------------+ --| Patreon : https://goo.gl/GdXWeN | --| BitCoin : 15VCJTLaz12Amr7adHSBtL9v8XomURo9RF | --| BitCoin Cash: 1BEtS465S3Su438Kc58h2sqvVvHK9Mijtg | --| Ethereum : 0x8C110cD61538fb6d7A2B47858F0c0AaBd663068D | --| LiteCoin : LLU8PSY2vsq7B9kRELLZQcKf5nJQrdeqwD | --+------------------------------------------------------------------+ -- 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("DMA"); indicator:description("DMA"); indicator:requiredSource(core.Tick); indicator:type(core.Indicator); indicator.parameters:addGroup("Calculation"); indicator.parameters:addInteger("Period", "Period", "Period", 17); indicator.parameters:addGroup("Style"); indicator.parameters:addColor("DMA_color", "Color of DMA", "Color of DMA", core.rgb(255, 0, 0)); indicator.parameters:addInteger("width", "Line width", "", 1, 1, 5); indicator.parameters:addInteger("style", "Line style", "", core.LINE_SOLID); indicator.parameters:setFlag("style", core.FLAG_LINE_STYLE); indicator.parameters:addColor("Color", "Label Color", "Label Color", core.rgb(0, 0, 0)); indicator.parameters:addInteger("Size", "Font Size", "Font Size", 10); indicator.parameters:addInteger("Shift", "Vertical Shift", "Vertical Shift", 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 Period; local first; local source = nil; -- Streams block local DMA = nil; local Color, font, Size,Shift; -- Routine function Prepare(nameOnly) Period = instance.parameters.Period; Shift = instance.parameters.Shift; Color=instance.parameters.Color; Size=instance.parameters.Size; font = core.host:execute("createFont", "Arial", Size, true, false); source = instance.source; first = source:first()+Period; local name = profile:id() .. "(" .. source:name() .. ", " .. tostring(Period) .. ")"; instance:name(name); if (nameOnly) then return; end DMA = instance:addStream("DMA", core.Line, name, "DMA", instance.parameters.DMA_color, first); DMA:setWidth(instance.parameters.width); DMA:setStyle(instance.parameters.style); end -- Indicator calculation routine -- TODO: Add your code for calculation output values function Update(period) if period < first then return; end local A=source[period] - source[period-Period+1] local B=0,i; for i = period, period- Period + 1, -1 do B = B +math.abs((source[i]-source[i-1]) ); end if B== 0 then B=0.00001 end local C= A/B; local D = C* (2/31)+ (2/3)*(1-C) local E= D^2; DMA[period] = E*source[period] + (1-E)*DMA[period-1]; Signal (period); end function Signal (period) local Label=""; --(1) when DMAn >DMAn-1 and DMAn-1 >DMAn-2 and DMAn / DMAn-2 >=1.00050, print“ ”under the k-line. if DMA[period]>DMA[period-1] and DMA[period-1]>DMA[period-2] and DMA[period]/DMA[period-2] >= 1.00050 then Label= "under the k-line"; -- (2) when DMAn < DMAn-1 and DMAn-1 < DMAn-2 and DMAn-2 < DMAn-3 ,print“ ”under the k-line. elseif DMA[period]DMAn-1 and DMAn-1 > DMAn-2 and DMAn-2 >DMAn-3 ,print“ ” above the k-line. elseif DMA[period]>DMA[period-1] and DMA[period-1]>DMA[period-2] and DMA[period-2]>DMA[period-3] then Label= "above the k-line"; end core.host:execute("drawLabel1", 1, 0, core.CR_RIGHT, 0+Shift+ (Size-10), core.CR_TOP, core.H_Left, core.V_Bottom, font, Color, Label); end function ReleaseInstance() core.host:execute("deleteFont", font); end