KeltnerMCEmaBandsAdj.efs

[eSignal_JasonK]

File Name: KeltnerMCEmaBandsAdj.efs

Description:
Keltner study with bands based on a fixed multiplier constant expressed as a percentage of the basis line above and below the basis line.

Formula Parameters:
nInputLength: Default is 8 (length for EMA).
nMultiplierConstant: Default is 0.013 (number may also be entered as 1.3).

Notes:


Download File:
KeltnerMCEmaBandsAdj.efs




EFS Code:

/*********************************
Provided By : eSignal. (c) Copyright 2003
*********************************/

function preMain() {
    setPriceStudy(true);    
    setStudyTitle("EMA Keltner w/ Constant Bands");
    setCursorLabelName("K-Upper", 0);
    setCursorLabelName("K-Basis", 1);
    setCursorLabelName("K-Lower", 2);

    setDefaultBarFgColor(Color.blue, 0); // upper
    setDefaultBarFgColor(Color.red, 1); // basis
    setDefaultBarFgColor(Color.blue, 2); // lower
}


function main(nInputLength, nMultiplierConstant) {
    if(nInputLength == null)
        nInputLength = 8;
    if(nInputLength <= 0)
        nInputLength = 8;
    if (nMultiplierConstant != null) {
        if (nMultiplierConstant > 1) nMultiplierConstant /= 100;
        nMultiplierConstant = nMultiplierConstant*1;
    } else {
        nMultiplierConstant = 0.013;
    }

    var dKeltnerBasis= call("/Library/KeltnerEMA.efs", nInputLength);
    if(dKeltnerBasis == null) return;

    return new Array(dKeltnerBasis + (nMultiplierConstant * dKeltnerBasis), dKeltnerBasis, dKeltnerBasis - (nMultiplierConstant * dKeltnerBasis));
}