-- Id: 12813 -- More information about this indicator can be found at: -- http://fxcodebase.com/code/viewtopic.php?f=17&t=61379 --+------------------------------------------------------------------+ --| 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("Power Measure"); indicator:description("Power Measure"); indicator:requiredSource(core.Bar); indicator:type(core.Oscillator); indicator.parameters:addGroup("Calculation"); indicator.parameters:addInteger("Period", "Period", "Period", 20); indicator.parameters:addGroup("Style"); indicator.parameters:addColor("PowerMeasure_color", "Color of PowerMeasure", "Color of PowerMeasure", 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 Period; local first; local source = nil; -- Streams block local PowerMeasure = nil; local CloseClose, HighLow; -- Routine function Prepare(nameOnly) Period = instance.parameters.Period; source = instance.source; first = source:first()+Period; local name = profile:id() .. "(" .. source:name() .. ", " .. tostring(Period) .. ")"; instance:name(name); if nameOnly then return; end CloseClose = instance:addInternalStream(0, 0); HighLow = instance:addInternalStream(0, 0); if (not (nameOnly)) then PowerMeasure = instance:addStream("PowerMeasure", core.Line, name, "PowerMeasure", instance.parameters.PowerMeasure_color, first); PowerMeasure:setPrecision(math.max(2, instance.source:getPrecision())); PowerMeasure:setWidth(instance.parameters.width); PowerMeasure:setStyle(instance.parameters.style); end end -- Indicator calculation routine -- TODO: Add your code for calculation output values function Update(period) CloseClose[period]= (source.close[period]-source.close[period-1]); HighLow[period]= (source.high[period]-source.low[period-1])/(source.low[period-1]); if period < first or not source:hasData(period) then return; end PowerMeasure[period] = mathex.correl(CloseClose, HighLow, period-Period+1, period, period-Period+1, period); end