Line1=MA1[Method1, Price1, Period1] - MA2[Method2,Price2, Period2],
Line2=-Line1.
- Code: Select all
function Init()
indicator:name("Mirror MA indicator");
indicator:description("Mirror MA indicator");
indicator:requiredSource(core.Bar);
indicator:type(core.Oscillator);
indicator.parameters:addGroup("Calculation");
indicator.parameters:addString("Method1", "Method1", "", "MVA");
indicator.parameters:addStringAlternative("Method1", "MVA", "", "MVA");
indicator.parameters:addStringAlternative("Method1", "EMA", "", "EMA");
indicator.parameters:addStringAlternative("Method1", "KAMA", "", "KAMA");
indicator.parameters:addStringAlternative("Method1", "LWMA", "", "LWMA");
indicator.parameters:addStringAlternative("Method1", "TMA", "", "TMA");
indicator.parameters:addString("Price1", "Price1", "", "close");
indicator.parameters:addStringAlternative("Price1", "open", "", "open");
indicator.parameters:addStringAlternative("Price1", "close", "", "close");
indicator.parameters:addStringAlternative("Price1", "high", "", "high");
indicator.parameters:addStringAlternative("Price1", "low", "", "low");
indicator.parameters:addStringAlternative("Price1", "median", "", "median");
indicator.parameters:addStringAlternative("Price1", "typical", "", "typical");
indicator.parameters:addStringAlternative("Price1", "weighted", "", "weighted");
indicator.parameters:addInteger("Period1", "Period1", "", 20);
indicator.parameters:addString("Method2", "Method2", "", "MVA");
indicator.parameters:addStringAlternative("Method2", "MVA", "", "MVA");
indicator.parameters:addStringAlternative("Method2", "EMA", "", "EMA");
indicator.parameters:addStringAlternative("Method2", "KAMA", "", "KAMA");
indicator.parameters:addStringAlternative("Method2", "LWMA", "", "LWMA");
indicator.parameters:addStringAlternative("Method2", "TMA", "", "TMA");
indicator.parameters:addString("Price2", "Price2", "", "open");
indicator.parameters:addStringAlternative("Price2", "open", "", "open");
indicator.parameters:addStringAlternative("Price2", "close", "", "close");
indicator.parameters:addStringAlternative("Price2", "high", "", "high");
indicator.parameters:addStringAlternative("Price2", "low", "", "low");
indicator.parameters:addStringAlternative("Price2", "median", "", "median");
indicator.parameters:addStringAlternative("Price2", "typical", "", "typical");
indicator.parameters:addStringAlternative("Price2", "weighted", "", "weighted");
indicator.parameters:addInteger("Period2", "Period2", "", 20);
indicator.parameters:addGroup("Style");
indicator.parameters:addColor("clr1", "Color 1", "Color 1", core.rgb(0, 255, 0));
indicator.parameters:addColor("clr2", "Color 2", "Color 2", core.rgb(255, 0, 0));
indicator.parameters:addInteger("widthLinReg", "Line width", "Line width", 1, 1, 5);
indicator.parameters:addInteger("styleLinReg", "Line style", "Line style", core.LINE_SOLID);
indicator.parameters:setFlag("styleLinReg", core.FLAG_LINE_STYLE);
end
local first;
local source = nil;
local Method1;
local Method2;
local Price1;
local Price2;
local Period1;
local Period2;
local MA1;
local MA2;
local Buff1=nil;
local Buff2=nil;
function Prepare()
source = instance.source;
Method1=instance.parameters.Method1;
Price1=instance.parameters.Price1;
Period1=instance.parameters.Period1;
Method2=instance.parameters.Method2;
Price2=instance.parameters.Price2;
Period2=instance.parameters.Period2;
if Price1=="open" then
MA1 = core.indicators:create(Method1, source.open, Period1);
elseif Price1=="close" then
MA1 = core.indicators:create(Method1, source.close, Period1);
elseif Price1=="high" then
MA1 = core.indicators:create(Method1, source.high, Period1);
elseif Price1=="low" then
MA1 = core.indicators:create(Method1, source.low, Period1);
elseif Price1=="median" then
MA1 = core.indicators:create(Method1, source.median, Period1);
elseif Price1=="typical" then
MA1 = core.indicators:create(Method1, source.typical, Period1);
else
MA1 = core.indicators:create(Method1, source.weighted, Period1);
end
if Price2=="open" then
MA2 = core.indicators:create(Method2, source.open, Period2);
elseif Price2=="close" then
MA2 = core.indicators:create(Method2, source.close, Period2);
elseif Price2=="high" then
MA2 = core.indicators:create(Method2, source.high, Period2);
elseif Price2=="low" then
MA2 = core.indicators:create(Method2, source.low, Period2);
elseif Price2=="median" then
MA2 = core.indicators:create(Method2, source.median, Period2);
elseif Price2=="typical" then
MA2 = core.indicators:create(Method2, source.typical, Period2);
else
MA2 = core.indicators:create(Method2, source.weighted, Period2);
end
first = math.max(MA1.DATA:first(),MA2.DATA:first())+2;
local name = profile:id() .. "(" .. source:name() .. ", " .. instance.parameters.Method1 .. ", " .. instance.parameters.Price1 .. ", " .. instance.parameters.Period1 .. ", " .. instance.parameters.Method2 .. ", " .. instance.parameters.Price2 .. ", " .. instance.parameters.Period2 .. ")";
instance:name(name);
Buff1 = instance:addStream("Buff1", core.Line, name .. ".Buff1", "Buff1", instance.parameters.clr1, first);
Buff2 = instance:addStream("Buff2", core.Line, name .. ".Buff2", "Buff2", instance.parameters.clr2, first);
Buff1:setWidth(instance.parameters.widthLinReg);
Buff1:setStyle(instance.parameters.styleLinReg);
Buff2:setWidth(instance.parameters.widthLinReg);
Buff2:setStyle(instance.parameters.styleLinReg);
end
function Update(period, mode)
if (period>first) then
MA1:update(mode);
MA2:update(mode);
Buff1[period]=MA1.DATA[period]-MA2.DATA[period];
Buff2[period]=MA2.DATA[period]-MA1.DATA[period];
end
end