TASC 2002 Sep: Cueing Off Support And Resistance Levels, by Thom Hartle.

[eSignal]

File Name: WeeklyHiLo.efs

Description:
Cueing Off Support And Resistance Levels, by Thom Hartle

Formula Parameters:
Line Color Resistance : Red
Line Color Support: Blue
Line Thickness : 2
Display Cursor Labels: True


Notes:
The related article is copyrighted material. If you are not
a subscriber of Stocks & Commodities, please visit www.traders.com.


Download File:
WeeklyHiLo.efs



EFS Code:

/*********************************
Provided By:  
    eSignal (Copyright c eSignal), a division of Interactive Data 
    Corporation. 2008. All rights reserved. This sample eSignal 
    Formula Script (EFS) is for educational purposes only and may be 
    modified and saved under a new file name.  eSignal is not responsible
    for the functionality once modified.  eSignal reserves the right 
    to modify and overwrite this EFS file with each new release.

Description:        
    Cueing Off Support And Resistance Levels, by Thom Hartle 

Version:            1.0  12/05/2008

Formula Parameters:                     Default:
    Line Color Resistance               Red
    Line Color Support                  Blue
    Line Thickness                      2
    Display Cursor Labels               True

Notes:
    The related article is copyrighted material. If you are not
    a subscriber of Stocks & Commodities, please visit [url]www.traders.com.[/url]

**********************************/

var fpArray = new Array();
var bInit = false;
var bVersion = null;

function preMain() {
    setPriceStudy(true);
    setShowCursorLabel(false);
    setShowTitleParameters( false );
    setStudyTitle("Weekly Hi-Lo Lines");
    setCursorLabelName("Resistance", 0);
    setCursorLabelName("Support", 1);    
    setDefaultBarFgColor(Color.green, 0);
    setDefaultBarFgColor(Color.blue, 1);    
    setPlotType(PLOTTYPE_FLATLINES, 0); 
    setPlotType(PLOTTYPE_FLATLINES, 1); 
    setDefaultBarThickness(2, 0);
    setDefaultBarThickness(2, 1);    
   
    askForInput();
    var x=0;
    fpArray[x] = new FunctionParameter("LineColor1", FunctionParameter.COLOR);
    with(fpArray[x++]){
        setName("Line Color Resistance");
        setDefault(Color.red);
    }    
    fpArray[x] = new FunctionParameter("LineColor2", FunctionParameter.COLOR);
    with(fpArray[x++]){
        setName("Line Color Support");
        setDefault(Color.blue);
    }    
    fpArray[x] = new FunctionParameter("ViewValue", FunctionParameter.BOOLEAN);
    with(fpArray[x++]){
        setName("Display Cursor Labels");
        setDefault(true);
    }    
    fpArray[x] = new FunctionParameter("Thickness", FunctionParameter.NUMBER);
    with(fpArray[x++]){
        setName("Line Thickness");
        setLowerLimit(1);        
        setDefault(2);
    }
}

function main(Thickness, LineColor1, LineColor2, ViewValue) {
var nResistance = 0;
var nSupport = 0;

    if (bVersion == null) bVersion = verify();
    if (bVersion == false) return;   

    if ( bInit == false ) { 
        setDefaultBarFgColor(LineColor1, 0);
        setDefaultBarFgColor(LineColor2, 1);        
        setDefaultBarThickness(Thickness, 0);
        setDefaultBarThickness(Thickness, 1);        
        setShowCursorLabel(ViewValue);        
        bInit = true; 
    } 

    nResistance = high(-1,inv("W"));
    nSupport = low(-1,inv("W"));    
    return new Array (nResistance, nSupport); 
}

function verify() {
    var b = false;
    if (getBuildNumber() < 779) {
        drawTextAbsolute(5, 35, "This study requires version 8.0 or later.", 
            Color.white, Color.blue, Text.RELATIVETOBOTTOM|Text.RELATIVETOLEFT|Text.BOLD|Text.LEFT,
            null, 13, "error");
        drawTextAbsolute(5, 20, "Click HERE to upgrade.@URL=http://www.esignal.com/download/default.asp", 
            Color.white, Color.blue, Text.RELATIVETOBOTTOM|Text.RELATIVETOLEFT|Text.BOLD|Text.LEFT,
            null, 13, "upgrade");
        return b;
    } else {
        b = true;
    }
    return b;
}