Belkhayate's Center Of Gravity

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Re: Belkhayate's Center Of Gravity

Postby Blackcat2 » Fri Jun 01, 2012 6:47 am

Hi Apprentice,

Could you please convert this version of COG (Centre of Gravity)?

The file is taken from
http://www.forexfactory.com/showthread.php?t=89714

Thanks :)
BC
Attachments
Center of Gravity.ex4
Taken from http://www.forexfactory.com/showthread.php?t=89714
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Re: Belkhayate's Center Of Gravity

Postby Apprentice » Mon Jun 04, 2012 1:34 am

This is the encoded version.
Do you have a description, formula or MQ4 file.
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Re: Belkhayate's Center Of Gravity

Postby Blackcat2 » Mon Jun 04, 2012 5:55 am

Apprentice wrote:This is the encoded version.
Do you have a description, formula or MQ4 file.

Ouch.. sorry, I don't have one or know (at this moment) where I can get it..

Sorry..
BC
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Re: Belkhayate's Center Of Gravity

Postby juju1024 » Thu Nov 15, 2012 2:13 pm

hi all,

Can you create a customizable strategy for this indicator please ? (marketscope 2)

exemple:

Audible alert when candles collide with L1 or L2 or L4 or L5, L6, L7

Thanks
Cordialy ;)
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Re: Belkhayate's Center Of Gravity

Postby Apprentice » Fri Nov 16, 2012 4:44 am

Your request is added to the development list.
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Re: Belkhayate's Center Of Gravity

Postby Taskryr » Thu Oct 16, 2014 7:59 pm

Is it possible to define the start and end points for this indicator? Instead of N bars from the present bar to the past, can we define, for instance, Oct 12, 1AM to Oct 14, 9AM for 8H bars? This way we can track the arc for specific waves of a currency.

Thanks,
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Re: Belkhayate's Center Of Gravity

Postby Apprentice » Fri Oct 17, 2014 6:15 am

See, Finite Belkhayates center of gravity.
First Post in this Topic.
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Re: Belkhayate's Center Of Gravity

Postby ratchets » Tue Oct 25, 2016 5:03 pm

hello,
could you help me with the chart in attachement. it gives me lines that are far from the original chart.
hope you could tell me where is the mistake (i followed the code shown below).
thanks.

Code: Select all
-- Indicator profile initialization routine
-- Defines indicator profile properties and indicator parameters
function Init()
    indicator:name("Belkhayate's Center Of Gravity");
    indicator:description("");
    indicator:requiredSource(core.Bar);
    indicator:type(core.Indicator);

    indicator.parameters:addInteger("N", "Number of bars", "", 180);
    indicator.parameters:addInteger("O", "Order", "", 3);
    indicator.parameters:addDouble("E", "Eccart value", "", 1.61803399);
    indicator.parameters:addColor("L1_color", "Color of L1", "Color of L1", core.rgb(0, 0, 255));
    indicator.parameters:addColor("L2_color", "Color of L2", "Color of L2", core.rgb(127, 127, 127));
    indicator.parameters:addColor("L3_color", "Color of L3", "Color of L3", core.rgb(255, 0, 0));
    indicator.parameters:addColor("L4_color", "Color of L4", "Color of L4", core.rgb(255, 0, 0));
    indicator.parameters:addColor("L5_color", "Color of L5", "Color of L5", core.rgb(127, 127, 127));
    indicator.parameters:addColor("L6_color", "Color of L6", "Color of L6", core.rgb(0, 192, 0));
    indicator.parameters:addColor("L7_color", "Color of L7", "Color of L7", core.rgb(0, 192, 0));
end

-- Indicator instance initialization routine
-- Processes indicator parameters and creates output streams
-- Parameters block
local N;
local O;
local E;

local first;
local source = nil;

-- Streams block
local L1 = nil;
local L2 = nil;
local L3 = nil;
local L4 = nil;
local L5 = nil;
local L6 = nil;
local L7 = nil;

-- Routine
function Prepare()
    N = instance.parameters.N;
    O = instance.parameters.O;
    E = instance.parameters.E;

    source = instance.source;

    first = source:first();

    local name = profile:id() .. "(" .. source:name() .. ", " .. N .. ", " .. O .. ", " .. E .. ")";
    instance:name(name);
    L1 = instance:addStream("L1", core.Line, name .. ".L1", "L1", instance.parameters.L1_color, first);
    L2 = instance:addStream("L2", core.Line, name .. ".L2", "L2", instance.parameters.L2_color, first);
    L3 = instance:addStream("L3", core.Line, name .. ".L3", "L3", instance.parameters.L3_color, first);
    L4 = instance:addStream("L4", core.Line, name .. ".L4", "L4", instance.parameters.L4_color, first);
    L5 = instance:addStream("L5", core.Line, name .. ".L5", "L5", instance.parameters.L5_color, first);
    L6 = instance:addStream("L6", core.Line, name .. ".L6", "L6", instance.parameters.L6_color, first);
    L7 = instance:addStream("L7", core.Line, name .. ".L7", "L7", instance.parameters.L7_color, first);
end

local prevCandle = nil;

-- Indicator calculation routine
function Update(period)
    if prevCandle ~= nil and source:serial(period) == prevCandle then
        return ;
    else
        prevCandle = source:serial(period);
    end

    if source:size() > 0 and (source:size() - source:first()) > N and period == source:size() - 1 then
        local s, i, j, k, a1, a2, a3, a4, v1, si, t;

        s = O + 1;

        -- init arrays
        a1 = {};
        for i = 0, s, 1 do
            a1[i] = {};
        end
        a2 = {};
        a3 = {};
        a4 = {};

        a2[1] = N + 1;
        for i = 1, (s - 1) * 2, 1 do
            v1 = 0;
            for j = 0, N, 1 do
                v1 = v1 + (math.pow(j, i));
            end
            a2[i + 1] = v1;
        end

        for j = 1, s, 1 do
            v1 = 0;
            for i = 0, N, 1 do
                if j == 1 then
                    v1 = v1 + (source.high[period - i] + source.low[period - i]) / 2;
                else
                    v1 = v1 + (source.high[period - i] + source.low[period - i]) / 2 * (math.pow(i, j - 1));
                end
            end
            a3[j] = v1;
        end

        for j = 1, s, 1 do
           for i = 1, s, 1 do
              a1[i][j] = a2[i + j - 1];
           end
        end

        for i = 1, s - 1, 1 do
            si = 0;
            v1 = 0;
            for j = i, s, 1 do
                if math.abs(a1[j][i]) > v1 then
                    v1 = math.abs(a1[j][i]);
                    si = j;
                end
            end
            if si == 0 then
                return ;
            end

            if si ~= i then
                for j = 1, s, 1 do
                    t = a1[i][j];
                    a1[i][j] = a1[si][j];
                    a1[si][j] = t;
                end
                t = a3[i];
                a3[i] = a3[si];
                a3[si] = t;
            end

            for j = i + 1, s, 1 do
                v1 = a1[j][i] / a1[i][i];
                for k = 1, s, 1 do
                    if k == i then
                        a1[j][k] = 0;
                    else
                        a1[j][k] = a1[j][k] - v1 * a1[i][k];
                    end
                end
                a3[j] = a3[j] - v1 * a3[i];
            end
        end

        a4[s] = a3[s] / a1[s][s];

        for i = s - 1, 1, -1 do
            v1 = 0;
            for j = 1, s - i, 1 do
                v1 = v1 + (a1[i][i + j]) * (a4[i + j]);
                a4[i] = 1 / a1[i][i] * (a3[i] - v1);
            end
        end

        for i = 0, N, 1 do
            v1 = 0;
            for j = 1, O, 1 do
                v1 = v1 + (a4[j + 1]) * (math.pow(i, j));
            end
            L1[period - i] = a4[1] + v1;
        end

        v2 = core.stdev(source.high, core.rangeTo(period, N)) * E;

        for i = 0, N, 1 do
            L4[period - i] = L1[period - i] + v2;
            L3[period - i] = L1[period - i] + (L4[period - i] - L1[period - i]) / 1.382;
            L2[period - i] = L1[period - i] + (L3[period - i] - L1[period - i]) / 1.618;
            L7[period - i] = L1[period - i] - v2;
            L6[period - i] = L1[period - i] - (L1[period - i] - L7[period - i]) / 1.382;
            L5[period - i] = L1[period - i] - (L1[period - i] - L6[period - i]) / 1.618;
        end
        for i = N + 1, N + 10, 1 do
            j = period - i;
            if j > source:first() then
                L1[j] = nil;
                L2[j] = nil;
                L3[j] = nil;
                L4[j] = nil;
                L5[j] = nil;
                L6[j] = nil;
                L7[j] = nil;
            end
        end
    end
end
Attachments
belcog chart.xlsx
(64.94 KiB) Downloaded 1723 times
ratchets
 
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Re: Belkhayate's Center Of Gravity

Postby Apprentice » Wed Sep 13, 2017 7:33 am

The indicator was revised and updated.
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Re: Belkhayate's Center Of Gravity

Postby easytrading » Mon Jun 18, 2018 2:26 am

hello Apprentice,

is it possible to show slope color change to all lines for BELCOG.lua, please ? with my appreciation .
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