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Hi there Ozzy
This is something I have seems to work:
See how you go:
_SECTION_BEGIN("Ozzy's line");
Lastbarr = LastValue(Cum(1) );//counts the number
of bars.
startr = Param("bars back", 5, 10, 100, 1);;//
endr = 1;// last bar is the barcount -1 because linearray works
off barindex
// these points defining the line must be
NUMBERS, not arrays.
x0 = Lastbarr - startr;
y0 = L
[ x0] ;//sets the numerical value of the
low at x0.
x1 = Lastbarr - endr;
y1 = C[x1];
Line = LineArray(x0,y0,x1,y1, 0,1);
//Plot(Line,"",colorBlue,1);
if(y1
< y0)
{
Plot(Line,"", colorBlue,1);
}
//Plot( IIf(C < Ref(L,-5),
Line,Null),"",colorRed,1);
Plot(C,"",colorBlack, 64);
_SECTION_END();
Regards
ChrisB
ozzyapeman wrote:
Hi, hoping someone can chime in on this basic line plot question.
I seem to be having a lot of basic plotting problems lately, on stuff
that I am sure should work.
In this case, all I want to do is draw a line between the current Close
and the Low of 5 bars ago, if the current Close is lower than that Low.
This is what I have, but the lines do not plot. I'm also wondering if I
even need to use looping for this or if I can do it without loops. Any
input appreciated:
SetChartOptions ( 0 , chartShowArrows | chartShowDates
);
_N ( Title = StrFormat ( "{{INTERVAL} } {{DATE}}
\n{{VALUES}} " ,
O , H , L , C , V
, SelectedValue ( ROC ( C , 1 )) ));
Plot ( C , "Close" , colorBlack , styleThick | styleDots
);
Plot ( H , "High" , colorBlue , styleLine );
Plot ( L , "Low" , colorRed , styleLine );
// Any time that the current Close is lower than the *Low* of 5 bars
ago, then plot a
// red dashed line between those two prices.
fb = Max ( Status ( "firstVisibleBar" ), 5 );
lb = Status ( "lastVisibleBar" );
Low5 = Ref ( L , - 5 );
LineLow = Null ;
for ( i = fb; i < lb; i++ )
{
if ( C [i] < Low5[i] )
{
LLow = LineArray (i, C [i], i- 5 , Low5[i] );
LineLow = IIf (! IsNull (LLow), LLow, LineLow);
}
}
Plot (LineLow, "LineLow" , colorRed , styleDashed );
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