SemiCup.efs, isSemiCup.efs
EFSLibrary - Discussion Board
File Name:
- SemiCup.efs
- isSemiCup.efs
Description:
Identifying Cup Formation Early and Identifying Cup Formation Early For Grid Window
Formula Parameters:
SemiCup.efs
- Parameter: 1
isSemiCup.efs
- Parameter: 1
Notes:
The related article is copyrighted material. If you are not a subscriber of Stocks & Commodities, please visit www.traders.com.
Download File:
SemiCup.efs
isSemiCup.efs
SemiCup.efs
isSemiCup.efs
EFS Code:
SemiCup.efs
/*********************************
Provided By:
Interactive Data Corporation (Copyright © 2010)
All rights reserved. This sample eSignal Formula Script (EFS)
is for educational purposes only. Interactive Data Corporation
reserves the right to modify and overwrite this EFS file with
each new release.
Description:
Identifying Cup Formation Early
Version: 1.0 11/02/2011
Formula Parameters: Default:
Parameter 1
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 bVersion = null;
function preMain()
{
setPriceStudy(true);
setShowCursorLabel(false);
var x=0;
fpArray[x] = new FunctionParameter("gParam", FunctionParameter.NUMBER);
with(fpArray[x++])
{
setName("Parameter");
setLowerLimit(1);
setUpperLimit(100);
setDefault(1);
}
fpArray[x] = new FunctionParameter("gColorSC", FunctionParameter.COLOR);
with(fpArray[x++])
{
setName("Semicup Color");
setDefault(Color.lime);
}
fpArray[x] = new FunctionParameter("gColorNC", FunctionParameter.COLOR);
with(fpArray[x++])
{
setName("No Cup Color");
setDefault(Color.red);
}
fpArray[x] = new FunctionParameter("gGrid", FunctionParameter.BOOLEAN);
with(fpArray[x++])
{
setName("Show Grid");
setDefault(true);
}
}
var bInit = false;
var xCls = null;
var xFilC = null;
var eps = 0.0000000001;
var vCls = 0;
var nCupPeriod = 0;
var pTop = 0;
var pBot = 0;
var b0 = 0;
var b1 = 0;
var b2 = 0;
var b3 = 0;
var b4 = 0;
var b5 = 0;
var L2 = 0;
var L3 = 0;
var L1 = 0;
var L4 = 0;
var DSX1 = 0;
var DSX2 = 0;
var bIsSemiCup = false;
function main(gParam, gColorSC, gColorNC, gGrid)
{
if (bVersion == null) bVersion = verify();
if (bVersion == false) return;
if (gParam == null) gParam = 1;
if (!bInit)
{
xCls = close();
xFilC = efsInternal("calcFilC", xCls);
bInit = true;
}
if( getCurrentBarIndex() < 0 ) return;
var nBarState = getBarState();
if ( nBarState == BARSTATE_NEWBAR || isReplayMode())
{
var nBarCount = getCurrentBarCount();
//potential semicup period calculation
var vLast = gParam*xCls.getValue(0);
var curBar = 1 ;
var curMax = vLast;
while (curBar < nBarCount)
{
vCloseCur = xCls.getValue(-curBar);
if ( vCloseCur >= vLast && vCloseCur >= curMax )
{
nCupPeriod = curBar;
curMax = vCloseCur;
}
curBar++;
}
//calculation of grid parameters
pTop = xFilC.getValue(0);
pBot = xFilC.getValue(0);
iBot = 0;
iTop = 0;
for (i = -nCupPeriod; i<0; i++)
{
if ( pTop < xFilC.getValue(i) ) pTop = xFilC.getValue(i);
if ( pBot > xFilC.getValue(i) ) pBot = xFilC.getValue(i);
}
bHeight = Math.abs((pTop - pBot)/5);
bLength = Math.max(Math.round(nCupPeriod/5),1);
b0 = -nCupPeriod;
b5 = 0;
b1 = Math.min(b0 + bLength, b5);
b2 = Math.min(b1 + bLength, b5);
b3 = Math.min(b2 + bLength, b5);
b4 = Math.min(b3 + bLength, b5);
L2 = pBot + 2*bHeight;
L3 = pBot + 3*bHeight;
//calculation of directional strength 1
var DSX1P = 0;
var DSX1N = 0;
for (i = b0; i < b2; i++ )
{
DSX1P += Math.max(xFilC.getValue(i+1)-xFilC.getValue(i),0);
DSX1N += Math.max(xFilC.getValue(i)-xFilC.getValue(i+1),0);
}
DSX1 = 100 * Math.abs(DSX1P - DSX1N)/( eps + DSX1P + DSX1N );
//calculation directional strength 2
var DSX2P = 0;
var DSX2N = 0;
var bInside1 = false;
var bInside2 = false;
for (i = b2; i < b5; i++ )
{
DSX2P += Math.max(xFilC.getValue(i+1)-xFilC.getValue(i),0);
DSX2N += Math.max(xFilC.getValue(i)-xFilC.getValue(i+1),0);
if ( xFilC.getValue(i)>L3 ) bInside1=true;
if ( i >= b3 && xFilC.getValue(i)>L2 ) bInside2=true;
}
DSX2 = 100 * Math.abs(DSX2P - DSX2N)/( eps + DSX2P + DSX2N );
//checking condition of cup existing
bIsSemiCup = (nCupPeriod >=20 && DSX1 > 25 && DSX2 < 25 && !bInside1 && !bInside2 ) ; //добавить условие, что в соответствующих квадратах не появляются случайные бары
//plotting grid
if (gGrid)
{
drawLineRelative(b0, Math.exp(pTop),b0, Math.exp(pBot), PS_DASH, 1, Color.grey, "b0");
drawLineRelative(b1, Math.exp(pTop),b1, Math.exp(pBot), PS_DASH, 1, Color.grey, "b1");
drawLineRelative(b2, Math.exp(pTop),b2, Math.exp(pBot), PS_DASH, 1, Color.grey, "b2");
drawLineRelative(b3, Math.exp(pTop),b3, Math.exp(pBot), PS_DASH, 1, Color.grey, "b3");
drawLineRelative(b4, Math.exp(pTop),b4, Math.exp(pBot), PS_DASH, 1, Color.grey, "b4");
drawLineRelative(b5, Math.exp(pTop),b5, Math.exp(pBot), PS_DASH, 1, Color.grey, "b5");
drawLineRelative(b0, Math.exp(pTop),b5, Math.exp(pTop), PS_DASH, 1, Color.grey, "l0");
drawLineRelative(b0, Math.exp(pBot),b5, Math.exp(pBot), PS_DASH, 1, Color.grey, "l5");
drawLineRelative(b2, Math.exp(L3),b5, Math.exp(L3), PS_DASH, 1, Color.grey, "l3");
drawLineRelative(b3, Math.exp(L2),b5, Math.exp(L2), PS_DASH, 1, Color.grey, "l2");
}
}// if (nBarState == BARSTATE_NEWBAR)....
//correction of conditions on real time ticks
var bRTCond = true;
if (nBarState == BARSTATE_CURRENTBAR) bRTCond = ( xFilC.getValue(0) < L2 );
//options of result output
var strSemiCup = "No Cup";
var retCol = gColorNC;
if ( bIsSemiCup && bRTCond )
{
strSemiCup = "Semicup";
retCol = gColorSC;
}
//marking the position of potentional starting of semicup
drawTextRelative(-nCupPeriod, AboveBar3, "Start", retCol, null, Text.PRESET|Text.CENTER, "Arial", 12, "beg1");
drawTextRelative(-nCupPeriod, AboveBar2, "semicup", retCol, null, Text.PRESET|Text.CENTER, "Arial", 12, "beg2");
drawShapeRelative(-nCupPeriod, AboveBar1, Shape.DOWNARROW, null, retCol, Shape.PRESET|Shape.CENTER, "beg3" );
//plotting graph
P1 = (Math.exp(pTop)-Math.exp(pBot))/Math.pow(nCupPeriod,10);
P2 = 0.98 * Math.exp(pBot);
prevY = close(-nCupPeriod);
for (i=0; i<nCupPeriod; i++)
{
curY = P1 * Math.pow(nCupPeriod-i,10)+P2;
drawLineRelative(i-nCupPeriod, prevY, i-nCupPeriod+1, curY, PS_SOLID, 2, retCol, i);
prevY = curY;
}
drawTextAbsolute(0, 15, strSemiCup, Color.white, retCol, Text.BOLD|Text.RELATIVETOBOTTOM|Text.RELATIVETOLEFT, "Arial", 11, "txt");
return null;
}
var bFilCInit = false;
function calcFilC(xSrc)
{
var vSrc = xSrc.getValue(0);
vSrc = Math.log(vSrc);
return vSrc;
}
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;
}
EFS Code:
isSemiCup.efs
/*********************************
Provided By:
Interactive Data Corporation (Copyright © 2010)
All rights reserved. This sample eSignal Formula Script (EFS)
is for educational purposes only. Interactive Data Corporation
reserves the right to modify and overwrite this EFS file with
each new release.
Description:
Identifying Cup Formation Early For Grid Window
Version: 1.0 11/02/2011
Formula Parameters: Default:
Parameter 1
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 bVersion = null;
function preMain()
{
setPriceStudy(true);
setCursorLabelName("isSemiCup",0);
var x=0;
fpArray[x] = new FunctionParameter("gParam", FunctionParameter.INTEGER);
with(fpArray[x++])
{
setName("Parameter");
setLowerLimit(1);
setUpperLimit(100);
setDefault(1);
}
fpArray[x] = new FunctionParameter("gColorSC", FunctionParameter.COLOR);
with(fpArray[x++])
{
setName("Semicup Color");
setDefault(Color.lime);
}
fpArray[x] = new FunctionParameter("gColorNC", FunctionParameter.COLOR);
with(fpArray[x++])
{
setName("No Cup Color");
setDefault(Color.red);
}
}
var bInit = false;
var xCls = null;
var xFilC = null;
var eps = 0.0000000001;
var vCls = 0;
var nCupPeriod = 0;
var pTop = 0;
var pBot = 0;
var b0 = 0;
var b1 = 0;
var b2 = 0;
var b3 = 0;
var b4 = 0;
var b5 = 0;
var L2 = 0;
var L3 = 0;
var DSX1 = 0;
var DSX2 = 0;
var bIsSemiCup = false;
function main(gParam, gColorSC, gColorNC)
{
if (bVersion == null) bVersion = verify();
if (bVersion == false) return;
if (gParam == null) gParam = 1;
if (!bInit)
{
xCls = close();
xFilC = efsInternal("calcFilC", xCls);
bInit = true;
}
if( getCurrentBarIndex() < 0 ) return;
var nBarState = getBarState();
if ( nBarState == BARSTATE_NEWBAR )
{
var nBarCount = getCurrentBarCount();
//potential semicup period calculation
var vLast = gParam*xCls.getValue(0);
var curBar = 1 ;
var curMax = vLast;
while (curBar < nBarCount)
{
var vCloseCur = xCls.getValue(-curBar);
if ( vCloseCur >= vLast && vCloseCur >= curMax )
{
nCupPeriod = curBar;
curMax = vCloseCur;
}
curBar++;
}
//calculation of grid parameters
pTop = xFilC.getValue(0);
pBot = xFilC.getValue(0);
for (i = -nCupPeriod; i<0; i++)
{
if ( pTop < xFilC.getValue(i) ) pTop = xFilC.getValue(i);
if ( pBot > xFilC.getValue(i) ) pBot = xFilC.getValue(i);
}
var bHeight = Math.abs((pTop - pBot)/5);
var bLength = Math.max(Math.round(nCupPeriod/5),1);
b0 = -nCupPeriod;
b5 = 0;
b1 = Math.min(b0 + bLength, b5);
b2 = Math.min(b1 + bLength, b5);
b3 = Math.min(b2 + bLength, b5);
b4 = Math.min(b3 + bLength, b5);
L2 = pBot + 2*bHeight;
L3 = pBot + 3*bHeight;
//calculation of directional strength 1
var DSX1P = 0;
var DSX1N = 0;
for (i = b0; i < b2; i++ )
{
DSX1P += Math.max(xFilC.getValue(i+1)-xFilC.getValue(i),0);
DSX1N += Math.max(xFilC.getValue(i)-xFilC.getValue(i+1),0);
}
DSX1 = 100 * Math.abs(DSX1P - DSX1N)/( eps + DSX1P + DSX1N );
//calculation of define directional strength 2
var DSX2P = 0;
var DSX2N = 0;
var bInside1 = false;
var bInside2 = false;
for (i = b2; i < b5; i++ )
{
DSX2P += Math.max(xFilC.getValue(i+1)-xFilC.getValue(i),0);
DSX2N += Math.max(xFilC.getValue(i)-xFilC.getValue(i+1),0);
if ( xFilC.getValue(i)>L3 ) bInside1=true;
if ( i >= b3 && xFilC.getValue(i)>L2 ) bInside2=true;
}
DSX2 = 100 * Math.abs(DSX2P - DSX2N)/( eps + DSX2P + DSX2N );
//checking conditions of cup existing
bIsSemiCup = (nCupPeriod >=20 && DSX1 > 25 && DSX2 < 25 && !bInside1 && !bInside2 ) ; //добавить условие, что в соответствующих квадратах не появляются случайные бары
}
if (nBarState == BARSTATE_CURRENTBAR) bIsSemiCup = ( bIsSemiCup && xFilC.getValue(0) < L3 );
//output options
var strSemiCup = "NO CUP";
var retColor = gColorNC;
if ( bIsSemiCup )
{
strSemiCup = "SEMICUP";
retColor = gColorSC;
}
setBarBgColor(retColor,0);
setBarFgColor(Color.white,0);
return strSemiCup;
}
var bFilCInit = false;
function calcFilC(xSrc)
{
var vSrc = xSrc.getValue(0);
vSrc = Math.log(vSrc);
return vSrc;
}
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;
}