-- More information about this indicator can be found at: --http://fxcodebase.com/code/viewtopic.php?f=17&t=69293 --+------------------------------------------------------------------+ --| Copyright © 2020, Gehtsoft USA LLC | --| http://fxcodebase.com | --+------------------------------------------------------------------+ --| Developed by : Mario Jemic | --| mario.jemic@gmail.com | --| https://AppliedMachineLearning.systems | --+------------------------------------------------------------------+ --| Support our efforts by donating | --| Paypal: https://goo.gl/9Rj74e | --+------------------------------------------------------------------+ --| Patreon : https://goo.gl/GdXWeN | --| BitCoin : 15VCJTLaz12Amr7adHSBtL9v8XomURo9RF | --| BitCoin Cash: 1BEtS465S3Su438Kc58h2sqvVvHK9Mijtg | --| Ethereum : 0x8C110cD61538fb6d7A2B47858F0c0AaBd663068D | --| LiteCoin : LLU8PSY2vsq7B9kRELLZQcKf5nJQrdeqwD | --+------------------------------------------------------------------+ function Init() indicator:name("PRC_Scalping with Parabolic SAR and Fibonacci"); indicator:description(""); indicator:requiredSource(core.Bar); indicator:type(core.Indicator); indicator.parameters:addInteger("plotbar", "Bars duration for plotting the fib zones", "", 10); indicator.parameters:addColor("slow_color", "SAR Slow Color", "SAR Slow Color", core.colors().Red); indicator.parameters:addInteger("slow_width", "SAR Slow Width", "SAR Slow Width", 1, 1, 5); indicator.parameters:addInteger("slow_style", "SAR Slow Style", "SAR Slow Style", core.LINE_SOLID); indicator.parameters:setFlag("slow_style", core.FLAG_LINE_STYLE); indicator.parameters:addColor("fast_color", "SAR Fast Color", "SAR Fast Color", core.colors().Green); indicator.parameters:addInteger("fast_width", "SAR Fast Width", "SAR Fast Width", 1, 1, 5); indicator.parameters:addInteger("fast_style", "SAR Fast Style", "SAR Fast Style", core.LINE_SOLID); indicator.parameters:setFlag("fast_style", core.FLAG_LINE_STYLE); indicator.parameters:addColor("stop_color", "Stop color", "", core.colors().Red); indicator.parameters:addColor("limit_color", "Limit color", "", core.colors().Green); end local source, sarfast, sarslow, ll, hh, plotbar, fast, slow, stop, limit; function Prepare(nameOnly) source = instance.source; local name = string.format("%s(%s)", profile:id(), source:name()); instance:name(name); if nameOnly then return ; end plotbar = instance.parameters.plotbar; sarfast = core.indicators:create("SAR", source, 0.02, 0.02, 0.2); sarslow = core.indicators:create("SAR", source, 0.005, 0.005, 0.05); stop = instance:addInternalStream(0, 0); limit = instance:addInternalStream(0, 0); ll = instance:addInternalStream(0, 0); hh = instance:addInternalStream(0, 0); fast = instance:addStream("FAST", core.Dot, "FAST", "FAST", instance.parameters.fast_color, 0, 0); fast:setWidth(instance.parameters.fast_width); fast:setStyle(instance.parameters.fast_style); slow = instance:addStream("SLOW", core.Dot, "SLOW", "SLOW", instance.parameters.slow_color, 0, 0); slow:setWidth(instance.parameters.slow_width); slow:setStyle(instance.parameters.slow_style); instance:ownerDrawn(true); end local init = false; local STOP_LINE = 1; local LIMIT_LINE = 2; function Draw(stage, context) if stage ~= 2 then return; end if not init then context:createPen(STOP_LINE, context.SOLID, 1, instance.parameters.stop_color); context:createPen(LIMIT_LINE, context.SOLID, 1, instance.parameters.limit_color); init = true; end local from_bar = math.max(source:first(), context:firstBar()); local to_bar = math.min(context:lastBar(), source:size() - 1); for i = from_bar, to_bar, 1 do if stop:hasData(i) then local x_center = context:positionOfBar(i); local x_center_2 = context:positionOfBar(i + plotbar); local _, stop_y = context:pointOfPrice(stop[i]); local _, limit_y = context:pointOfPrice(limit[i]); context:drawLine(STOP_LINE, x_center, stop_y, x_center_2, stop_y); context:drawLine(LIMIT_LINE, x_center, limit_y, x_center_2, limit_y); end end end function Update(period, mode) sarfast:update(mode); sarslow:update(mode); if sarfast.UP:hasData(period) then fast[period] = sarfast.UP[period] else fast[period] = sarfast.DN[period]; end if sarslow.UP:hasData(period) then slow[period] = sarslow.UP[period]; else slow[period] = sarslow.DN[period]; end if period == 0 then return; end if fast:hasData(period) then ll[period] = source.low[period]; if ll:hasData(period - 1) and ll[period - 1] < ll[period] then ll[period] = ll[period - 1]; end else hh[period] = source.high[period]; if hh:hasData(period - 1) and hh[period - 1] > hh[period] then hh[period] = source.high[period - 1]; end end if sarfast.UP:hasData(period) and sarfast.DN:hasData(period - 1) then local fibo0 = ll[period]; ll[period] = slow[period]; local irange = source.high[period] - fibo0; local entry = fibo0 + (irange / 2); limit[period] = fibo0 + irange * 1.618; stop[period] = fibo0 - 2 * source:pipSize(); end if sarfast.DN:hasData(period) and sarfast.UP:hasData(period - 1) then local fibo0 = hh[period]; hh[period] = nil; local irange = fibo0 - source.low[period]; local entry = fibo0 - (irange / 2); limit[period] = fibo0 - irange * 1.618; stop[period] = fibo0 + 2 * source:pipSize(); end end