-- Id: 1368 -- More information about this indicator can be found at: -- http://fxcodebase.com/code/viewtopic.php?f=17&t=1927 --+------------------------------------------------------------------+ --| Copyright © 2018, Gehtsoft USA LLC | --| http://fxcodebase.com | --+------------------------------------------------------------------+ --| Developed by : Mario Jemic | --| mario.jemic@gmail.com | --+------------------------------------------------------------------+ --| Support our efforts by donating | --| Patreon : https://goo.gl/GdXWeN | --| Paypal : https://goo.gl/9Rj74e | --| BitCoin : 15VCJTLaz12Amr7adHSBtL9v8XomURo9RF | --| BitCoin Cash : 1BEtS465S3Su438Kc58h2sqvVvHK9Mijtg | --| Ethereum : 0x8C110cD61538fb6d7A2B47858F0c0AaBd663068D | --| LiteCoin : LLU8PSY2vsq7B9kRELLZQcKf5nJQrdeqwD | --+------------------------------------------------------------------+ function Init() indicator:name("RSI Overboat/Oversold Levels Price Overlay"); indicator:description("RSI Overboat/Oversold Levels Price Overlay"); indicator:requiredSource(core.Bar); indicator:type(core.Indicator); indicator.parameters:addInteger("Frame", "RSI Period", "RSI Period", 14); indicator.parameters:addInteger("S", "MVA Period", "MVA Period", 3); indicator.parameters:addDouble("OB", "Overbought Level","", 70); indicator.parameters:addDouble("OS","Oversold Level","", 30); indicator.parameters:addGroup("Style"); indicator.parameters:addColor("Top", "OB Zone Color","", core.rgb(0, 255, 0)); indicator.parameters:addColor("Central", "Central Color","", core.rgb(0, 0, 255)); indicator.parameters:addColor("Bottom", "OS Zone Color","", 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); 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 Frame; local first; local source = nil; -- Streams block local Top=nil; local Bottom=nil; local RSIOpen = nil; local RSIClose = nil; local OB, OS; local RSIDifference=nil; local PriceDifference=nil; local MATop=nil; local MABottom =nil; local MACentral =nil; local RawTop=nil; local RawBottom=nil; local RawCentral; local Central; local S=nil; -- Routine function Prepare(nameOnly) Frame = instance.parameters.Frame; S = instance.parameters.S; source = instance.source; OS = instance.parameters.OS; OB = instance.parameters.OB; local name = profile:id() .. "(" .. source:name() .. ", " .. Frame ..", "..S .. ")"; instance:name(name); if nameOnly then return; end RSIOpen = core.indicators:create("RSI", source.open, Frame); RSIClose = core.indicators:create("RSI", source.close, Frame); RSIDifference=instance:addInternalStream(0, 0); PriceDifference=instance:addInternalStream(0, 0); RawTop= instance:addInternalStream(0, 0); RawBottom=instance:addInternalStream(0, 0); RawCentral=instance:addInternalStream(0, 0); MATop = core.indicators:create("MVA", RawTop, S); MABottom = core.indicators:create("MVA", RawBottom, S); MACentral= core.indicators:create("MVA", RawCentral, S); first = MATop.DATA:first() ; Top = instance:addStream("Top", core.Line, name .. "Top", "Top", instance.parameters.Top, MATop.DATA:first()); Bottom = instance:addStream("Bottom", core.Line, name .. "Bottom", "Bottom",instance.parameters.Bottom,MATop.DATA:first()); Central = instance:addStream("Central", core.Line, name .. "Central", "Central",instance.parameters.Central,MATop.DATA:first()); Top:setWidth(instance.parameters.width); Top:setStyle(instance.parameters.style); Bottom:setWidth(instance.parameters.width); Bottom:setStyle(instance.parameters.style); Central:setWidth(instance.parameters.width); Central:setStyle(instance.parameters.style); end -- Indicator calculation routine -- TODO: Add your code for calculation output values function Update(period,mode) RSIOpen:update(mode); RSIClose:update(mode); if period < first or not source:hasData(period) then return; end RSIDifference[period]=math.abs(RSIOpen.DATA[period]-RSIClose.DATA[period]); PriceDifference[period]=math.abs(source.open[period]-source.close[period]); RawTop[period]=source.close[period]+PriceDifference[period]*((OB-RSIClose.DATA[period])/RSIDifference[period]); RawBottom[period]=source.close[period]-PriceDifference[period]*((RSIClose.DATA[period]-OS)/RSIDifference[period]); RawCentral[period]=source.close[period]+PriceDifference[period]*((50-RSIClose.DATA[period])/RSIDifference[period]); MATop:update(mode); MACentral:update(mode); MABottom:update(mode); if period < MATop.DATA:first() then return; end Top[period]=MATop.DATA[period]; Bottom[period]=MABottom.DATA[period]; Central[period]=MACentral.DATA[period]; end