-- More information about this indicator can be found at: -- http://fxcodebase.com/code/viewtopic.php?f=17&t=63487 --+------------------------------------------------------------------+ --| 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("Bid Ask Median"); indicator:description("Bid Ask Median."); indicator:requiredSource(core.Tick); indicator:type(core.Indicator); indicator.parameters:addGroup("Line Style"); indicator.parameters:addColor("color", "Line Color", "", core.rgb(0, 127, 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 first; local source = nil; local clr, style, width; local bid, ask; local Out; -- Routine function Prepare(nameOnly) clr = instance.parameters.clr; style = instance.parameters.style; width = instance.parameters.width; source = instance.source; first = source:first(); local name = profile:id() .. "(" .. source:name() .. ")"; instance:name(name); if (nameOnly) then return; end if source:isBid() then bid = source; ask = core.host:execute("getAskPrice"); else ask = source; bid = core.host:execute("getBidPrice"); end Out = instance:addStream("BAM", core.Line, name, "BAM", instance.parameters.color, source:first()); Out:setWidth(instance.parameters.width ); Out:setStyle(instance.parameters.style ); end -- Indicator calculation routine -- TODO: Add your code for calculation output values function Update(period, mode) if period < source:first() then return; end Out[period]= ask [period] +(bid[period] -ask [period])/2; end