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I have provided a formula below that uses PlotText. Look in
Paramaters and you will see Text H Shift. Play with it and you will
see how to implement changing x axis position of the text.
David K.
--- In amibroker@xxxxxxxxxxxxxxx, "r_terbush" <randy@xxx> wrote:
>
> I am trying to plot some values for pivot lines on the left side of
> the chart instead of plotting them in the y-axis price area.
>
> I am coming to conclusion that I need to use PlotText() to do this.
> Can someone help me with how to determine the x-axis value for the
> leftmost visible bar on the chart?
>
> Thanks
>
_SECTION_BEGIN("Chart Settings");
SetChartOptions(0,chartShowArrows|chartShowDates);
SetChartBkColor(ParamColor("Outer panel",colorBlack));
SetChartBkGradientFill(
ParamColor("Inner panel upper",colorDarkGrey),
ParamColor("Inner panel lower",colorBlack));
numbars = LastValue(Cum(Status("barvisible")));
dec = (Param("Decimals",2,0,7,1)/10)+1;
bi=BarIndex();
sbi = BarIndex();
Plot(C,"",IIf(C>O,27, IIf(C<O,32,colorGrey50)),64);
_SECTION_BEGIN("Fib Levels");
pct = Param( "Pivot %",1.0,0.10,60,0.10);
fibi = ParamToggle("Plot IR Fibs","Off|On",0);
hLb=Param("High Look Back",1,1,30,1);
lLb=Param("Low Look Back",1,1,30,1);
irtxt = ParamToggle("IR Text Labels","Off|On",0);
fts = Param ("Text H Shift", -36.1,-50,50,0.10);
/////////////////////
pk=PeakBars(H,pct)==0;
tr=TroughBars(L,pct)==0;
zHi=Zig(H,pct); zLo=Zig(L,pct); HLAvg=(zHi+zLo)/2;
zp=IIf(pk,zHi,IIf(tr,zLo,IIf(HLAvg>Ref(HLAvg,-1),H,L)));
za=Zig(zp,pct);
pR=Ref(za,-1)<za AND za>Ref(za,1);
pS=Ref(za,-1)>za AND za<Ref(za,1);
Plot(za,"",11,1|styleNoLabel);
PlotShapes(shapeDownArrow*pR,colorBrightGreen,0,H,-18);
PlotShapes(shapeUpArrow*pS,colorYellow,0,L,-18);
////////////////////////////////////////////////
_SECTION_BEGIN("Fibs");
xr0=SelectedValue(ValueWhen(pR,sbi,hLb));
yr0=SelectedValue(ValueWhen(pR,zp,hLb));
xs0=SelectedValue(ValueWhen(pS,sbi,lLb));
ys0=SelectedValue(ValueWhen(pS,zp,lLb));
x1=BarCount-1;
deltaP=abs(yr0-ys0);
sup=xs0>xr0;
res=xr0>xs0;
respct = IIf(xr0>xs0,0,100);
suppct = IIf(xs0>xr0,0,100);
resLp=LineArray(xr0,yr0,x1,yr0,0);
supLp = LineArray(xs0,ys0,x1,ys0,0);
////////////////////
function fibr(fibv)
{
delta=abs(yr0-ys0);
retval=delta*fibv;
fibval=IIf(res,yr0-retval,IIf(sup,ys0+retval,Null));
return fibval;
}
////////////////Fib Retracements/////////////////
f236=fibr(0.236);f382=fibr(0.382);f500=fibr(0.500);
f618=fibr(0.618);f786=fibr(0.786);f127=fibr(1.272);
f162=fibr(1.620);f200=fibr(2.000);f262=fibr(2.620);
f314=fibr(3.141);f424=fibr(4.240);
////////////////////////
function ifib(ifib)
{
x0= IIf(res,xr0,xs0);
x1=BarCount-1;
ifibline=LineArray(x0,ifib,x1,ifib);
return ifibline;
}
if(fibi==1) {
istyle=styleDashed|styleNoLabel|styleNoRescale;
Plot(resLp,"",32,8);
Plot(supLp,"",55,8);
Plot(ifib(f236),"",40,istyle); Plot(ifib(f382),"",36,istyle);
Plot(ifib(f500),"", 6,istyle); Plot(ifib(f618),"",43,istyle);
Plot(ifib(f786),"",42,istyle); Plot(ifib(f127),"",10,istyle);
Plot(ifib(f162),"",34,istyle); Plot(ifib(f200),"",55,istyle);
Plot(ifib(f262),"",51,istyle); Plot(ifib(f424),"",32,istyle);
}
if(irtxt==1) {
VizBars = Status("LastVisibleBar")-Status("FirstVisibleBar");
Bars = (round(Vizbars/fts));
mxpos = SelectedValue(BarIndex())-(Bars);
////////////////////
PlotText(StrFormat("%.2f %.0f % ",resLp,respct)+"%",mxpos,yr0,32);
PlotText(StrFormat("%.2f %.0f % ",supLp,suppct)+"%",mxpos,ys0,55);
PlotText("" + NumToStr(f236,dec)+ " 23%",mxpos,f236,40,1);
PlotText("" + NumToStr(f382,dec)+ " 38%",mxpos,f382,36,1);
PlotText("" + NumToStr(f500,dec)+ " 50%",mxpos,f500,11,1);
PlotText("" + NumToStr(f618,dec)+ " 62%",mxpos,f618,43,1);
PlotText("" + NumToStr(f786,dec)+ " 78%",mxpos,f786,42,1);
PlotText("" + NumToStr(f127,dec)+ " 127%",mxpos,f127,10,1);
PlotText("" + NumToStr(f162,dec)+ " 162%",mxpos,f162,34,1);
PlotText("" + NumToStr(f200,dec)+ " 200%",mxpos,f200,55,1);
PlotText("" + NumToStr(f262,dec)+ " 262%",mxpos,f262,51,1);
PlotText("" + NumToStr(f424,dec)+ " 424%",mxpos,f424,32,1);
}
Title = EncodeColor(55)+ Title = Name() + " " + EncodeColor(55)
+ Date() + " " + EncodeColor(3) + "{{INTERVAL}} " +
EncodeColor(55)+ " Open = "+ EncodeColor(10)+ NumToStr
(O,dec) +
EncodeColor(55)+ " High = "+ EncodeColor(43) + NumToStr
(H,dec) +
EncodeColor(55)+ " Low = "+ EncodeColor(32)+ NumToStr
(L,dec) +
EncodeColor(55)+ " Close = "+ EncodeColor(42)+ NumToStr
(C,dec) +
EncodeColor(55)+ " BI = "+ EncodeColor(42)+ NumToStr
(bi,1.0) +
EncodeColor(55)+ " Volume = "+ EncodeColor(55)+ NumToStr
(V,1.0) +"\n"+"\n"+
EncodeColor(55)+ " Sup = "+ EncodeColor(55)+ NumToStr
(ys0,dec) +"\n"+
EncodeColor(40)+ " 23%= "+ EncodeColor(40)+ NumToStr
(f236,dec) +"\n"+
EncodeColor(36)+ " 38%= "+ EncodeColor(36)+ NumToStr
(f382,dec) +"\n"+
EncodeColor(55)+ " 50% = "+ EncodeColor(55) + NumToStr
(f500,dec) +"\n"+
EncodeColor(43)+ " 62% = "+ EncodeColor(43)+ NumToStr
(f618,dec) +"\n"+
EncodeColor(42)+ " 78% = "+ EncodeColor(42)+ NumToStr
(f786,dec) +"\n"+
EncodeColor(55)+ " Res = "+ EncodeColor(55)+ NumToStr
(yr0,dec) +"\n"+
EncodeColor(10)+ "127% = "+ EncodeColor(10)+ NumToStr
(f127,dec) +"\n"+
EncodeColor(34)+ "162% = "+ EncodeColor(34)+ NumToStr
(f162,dec) +"\n"+
EncodeColor(55)+ "200% = "+ EncodeColor(55) + NumToStr
(f200,dec) +"\n"+
EncodeColor(25)+ "262% = "+ EncodeColor(25)+ NumToStr
(f262,dec) +"\n"+
EncodeColor(32)+ "424% = "+ EncodeColor(32)+ NumToStr
(f424,dec);
GraphXSpace=12;
------------------------------------
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