BuffAverages.efs
EFSLibrary - Discussion Board
File Name: BuffAverages.efs
Description:
Buff Averages
Formula Parameters:
- Fast Avg Length: 5
- Slow Avg Length: 20
- Thickness: 2
- Line Color Fast Buff: Red
- Line Color Slow Buff: Blue
- 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:
BuffAverages.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:
Buff Averages
Version: 1.0 01/12/2009
Formula Parameters: Default:
Fast Avg Length 5
Slow Avg Length 20
Thickness 2
Line Color Fast Buff Red
Line Color Slow Buff Blue
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.
**********************************/
var fpArray = new Array();
var bInit = false;
function preMain() {
setPriceStudy(true);
setShowCursorLabel(false);
setShowTitleParameters( false );
setStudyTitle("Buff Averages");
setCursorLabelName("Fast Buff", 0);
setCursorLabelName("Slow Buff", 1);
setDefaultBarFgColor(Color.red, 0);
setDefaultBarFgColor(Color.blue, 1);
setPlotType(PLOTTYPE_LINE, 0);
setPlotType(PLOTTYPE_LINE, 1);
setDefaultBarThickness(2, 0);
setDefaultBarThickness(2, 1);
askForInput();
var x=0;
fpArray[x] = new FunctionParameter("LineColor1", FunctionParameter.COLOR);
with(fpArray[x++]){
setName("Line Color Fast Buff");
setDefault(Color.red);
}
fpArray[x] = new FunctionParameter("LineColor2", FunctionParameter.COLOR);
with(fpArray[x++]){
setName("Line Color Slow Buff");
setDefault(Color.blue);
}
fpArray[x] = new FunctionParameter("ViewValue", FunctionParameter.BOOLEAN);
with(fpArray[x++]){
setName("Display Cursor Labels");
setDefault(true);
}
fpArray[x] = new FunctionParameter("SlowAvg", FunctionParameter.NUMBER);
with(fpArray[x++]){
setName("Slow Avg Length");
setLowerLimit(1);
setDefault(20);
}
fpArray[x] = new FunctionParameter("FastAvg", FunctionParameter.NUMBER);
with(fpArray[x++]){
setName("Fast Avg Length");
setLowerLimit(1);
setDefault(5);
}
fpArray[x] = new FunctionParameter("Thickness", FunctionParameter.NUMBER);
with(fpArray[x++]){
setName("Lines Thickness");
setLowerLimit(1);
setDefault(2);
}
}
var xBuffFastAvg = null;
var xBuffSlowAvg = null;
function main(FastAvg, SlowAvg, Thickness, LineColor1, LineColor2, ViewValue) {
var nBuff1Res = 0;
var nBuff2Res = 0;
if ( bInit == false ) {
setDefaultBarFgColor(LineColor1, 0);
setDefaultBarFgColor(LineColor2, 1);
setDefaultBarThickness(Thickness, 0);
setDefaultBarThickness(Thickness, 1);
setShowCursorLabel(ViewValue);
xBuffFastAvg = efsInternal("Buff_Calc", FastAvg);
xBuffSlowAvg = efsInternal("Buff_Calc", SlowAvg);
bInit = true;
}
if (getCurrentBarCount() < Math.max(SlowAvg, FastAvg)) return;
nBuff1Res = xBuffFastAvg.getValue(0);
nBuff2Res = xBuffSlowAvg.getValue(0);
if (nBuff1Res == null || nBuff2Res == null) return;
return new Array(nBuff1Res, nBuff2Res);
}
function Buff_Calc(nLength) {
var nVolSum = 0;
var nRes = 0;
for (var i = 0; i <= nLength -1; i++) {
nVolSum += volume(-i);
}
if (nVolSum != 0) {
for (var i = 0; i < nLength; i++){
nRes += (close(-i) * volume(-i)) / nVolSum;
}
}
if (nRes == null) nRes = 1;
return nRes;
}