-- More information about this indicator can be found at: -- http://fxcodebase.com/code/viewtopic.php?f=17&t=3351 --+------------------------------------------------------------------+ --| 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 | --| 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("Background"); indicator:description("Background"); indicator:requiredSource(core.Bar); indicator:type(core.Indicator); indicator.parameters:addInteger("Transparency", "Transparency", "", 80,0,100); indicator.parameters:addInteger("Stream", "Number Of Indicator Stream", "", 0,0,100); indicator.parameters:addString("IN", "Indicator", "", ""); indicator.parameters:setFlag("IN",core.FLAG_INDICATOR); indicator.parameters:addColor("up_color", "Up Color", "", core.rgb(0, 255, 0)); indicator.parameters:addColor("dn_color", "Down Color", "", core.rgb(255, 0, 0)); indicator.parameters:addColor("no_color", "Down Color", "", core.rgb(128, 128, 128)); 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 first; local source = nil; -- Streams block local Transparency = nil; local Indicator; local MIN,MAX; local min,max; local up_color,dn_color,no_color; local Stream; local DATA; -- Routine function Prepare(nameOnly) no_color = instance.parameters.no_color; Stream = instance.parameters.Stream; Transparency = instance.parameters.Transparency; up_color = instance.parameters.up_color; dn_color = instance.parameters.dn_color; Transparency= 100-Transparency; source = instance.source; local name = profile:id() .. "(" .. source:name() ..", ".. instance.parameters:getString("IN") ..")"; instance:name(name); if (nameOnly) then return; end local iprofile; local iparams; iprofile = core.indicators:findIndicator(instance.parameters:getString("IN")); iparams = instance.parameters:getCustomParameters("IN"); if iprofile:requiredSource() == core.Tick then Indicator = iprofile:createInstance(source.close, iparams); else Indicator = iprofile:createInstance(source, iparams); end first =Indicator.DATA:first(); local COUNT=Indicator:getStreamCount (); if COUNT> Stream then DATA=Indicator:getStream (Stream); else error(instance.parameters:getString("IN") .. " Have Only "..COUNT .. " Data Streams" ); end --MAX=instance:addStream("MAX", core.Line, name, "", core.rgb( 128, 128, 128), first); --MIN=instance:addStream("MIN", core.Line, name, "", core.rgb( 128, 128, 128), first); MAX=instance:addInternalStream(first, 0); MIN=instance:addInternalStream(first, 0); instance:createChannelGroup("Group","Group" , MIN, MAX, up_color, Transparency); end -- Indicator calculation routine -- TODO: Add your code for calculation output values function Update(period,mode) if period < first or not source:hasData(period) then MIN:setColor(period,core.rgb( 255, 255, 255)) return; end if period == source:size()-1 then local i; Indicator:update(mode); min,max= mathex.minmax(source,first, source:size()-1); min=0; max= max*2; for i=first, source:size()-1,1 do MAX[i] = max; MIN[i] = min; if DATA:hasData(i) and DATA:hasData(i-1) then if DATA[i]> DATA[i-1] then MIN:setColor(i,up_color); elseif DATA[i]< DATA[i-1] then MIN:setColor(i,dn_color); else MIN:setColor(i,no_color) end end end end end