_SECTION_BEGIN("Point & Figure w Values adj");
GraphXSpace = 5;
SetChartBkColor(ParamColor("BackGroundColor", colorLightYellow));
GraphColor = ParamColor("GarphColor",colorBlack);
GridColor = ParamColor("GridColor", colorBlack);
Scaling = ParamList("Scaling Method", "Traditional|Percentage|AVG True Range");
if( scaling == "Traditional") Box = Param("Box", 1, 0.2, 10, 0.1);
else
if( scaling == "Percentage") Box = Param("Box ", 1, 0.2, 10, 0.1)/100 * LastValue(C);
else
if( scaling == "AVG True Range") Box = Param("Box", 1, 0.3, 5, 0.1) * LastValue( ATR (20));
shiftChart =0;
shiftLastClose =1;
shiftGrid =7;
shiftPriceAxis = 2;
Reverse = Param("Reverse", 3, 1, 5);
j = 0;
PFL[0] = Box * ceil(Low[0]/Box) + Box;
PFH[0] = Box * floor(High[0]/Box);
direction = 0;
for( i = 1; i < BarCount; i++ )
{
if(direction[j] == 0)
{
if(Low[i] <= PFL[j] - Box)
{
PFL[j] = Box * ceil(Low[i]/Box);
}
else
{
if(High[i] >= PFL[j] + Reverse*Box)
{
j++;
direction[j] = 1;
PFH[j] = Box * floor(High[i]/Box);
PFL[j] = PFL[j - 1] + Box;
}
}
}
else
{
if(High[i] >= PFH[j] + Box)
{
PFH[j] = Box * floor(High[i]/Box);
}
else
{
if( Low[i] <= PFH[j] - Reverse * Box )
{
j++;
direction[j] = 0;
PFH[j] = PFH[j - 1] - Box;
PFL[j] = Box * ceil(Low[i]/Box);
}
}
}
}
delta = BarCount - j -1;
direction = Ref(direction, - delta);
Hi = Ref(PFH, -delta) + Box/2;
Lo = Ref(PFL, -delta)- Box/2;
Cl = IIf(direction == 1, Hi, Lo);
Op = IIf(direction == 1, Cl - Box, Cl + Box);
PlotOHLC(Op, Hi, Lo, Cl,"", GraphColor , stylePointAndFigure|styleNoLabel, 0, 0 ,shiftChart);
Last = Ref( LastValue(C), -(BarCount-1));
Plot( Last,"", colorRed,styleNoLine|styleDots, 0 , 0, shiftLastClose);
// selected value
Value= IIf(direction>0, SelectedValue(Hi)-box/2, SelectedValue(Lo)+box/2);
//-----------------------------------------------------------------------
// GRID
CONSTRUCTION
//----------------------------------------------------------------------
PlotGridLines = ParamToggle("PlotdGrid", "Yes! |No", 0) ;
if (PlotGridLines)
{
begin = SelectedValue(BarIndex());
end = LastValue(BarIndex());
period = end-begin +1;
if( begin<end)
{
ScreenHigh =LastValue( HHV(cl, period ));
ScreenLow =LastValue( LLV( Cl, period) );
top= LineArray( begin-shiftGrid, screenHigh, end, screenhigh, 0 , 1);
Bot= LineArray( begin-shiftGrid, screenlow, end, screenLow, 0, 1);
Plot( top, "", gridColor,styleLine|styleNoLabel , 0, 0,shiftGrid);
Plot( bot, "", gridColor,styleLine|styleNoLabel, 0 , 0 , shiftGrid);
VerticalGrid = IIf (
BarIndex() >= begin, IIf(direction==1, screenHigh, screenLow), Null);
Plot (VerticalGrid, "", gridColor, styleStaircase|styleNoLabel, 0,0, 1);
format = 8.2;
for (
n=LastValue(bot); n< LastValue(top) - 0.5*box; n = n+box)
{
Plot( bot , "", gridColor, styleLine|styleNoLabel, 0, 0 ,shiftGrid);
text = NumToStr(LastValue(bot) + 0.5*box, format);
xposition = BarCount+shiftPriceaxis;
yPosition = LastValue(bot)+0.27*box;
PlotText(text, xPosition , yPosition, colorGreen);
bot = bot + box;
}
}
}
//---------------------------------------------------------------------
// TITLE
//----------------------------------------------------------------------
Title = "\n" +
" Instrument : " + Name() + FullName()+"\n " +
"Formula : " + " Point & Figure (High/Low Range)" + "\n " +
"Box : " + NumToStr(Box, 4.4) + " " +
"Reverse : " + NumToStr(Reverse, 2.0) + "\n " +
"ATR : " + WriteVal(LastValue(ATR(100)), format = 4.4);
_SECTION_END();
From: amibroker@xxxxxxxxxps.com [mailto:amibroker@xxxxxxxxxps.com] On Behalf Of apfxtrader
Sent: Wednesday, April 25, 2007 12:16 AM
To: amibroker@xxxxxxxxxps.com
Subject: [amibroker] Re: Identifying Pnf
Patterns
