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Forgot to mention, your code should work as is if you do the study as a "ShowMe" (code (1))...
---- you wrote:
> I tried to write PaintBar code to identify certain patterns which started
> with price exceeding Bollinger Bands. If the high exceeded the upper BB, no
> paint bar but the setup was started. The PB should show when the low exceeds
> the lower BB (after the upper band was hit first and vice versa).
>
> The first code does not produce any paintbars while the second produces a
> floating point error that crashes TS4. Can anyone explain how to correct
> these problems and what it is that is causing the FP error problem? Thanks
> for any help.
> Lynn
>
> (1)
> Inputs:Len(39), SDEV(2),LSDEV(-2);
> Vars: switch(0),Ubb(0),Lbb(0);
>
> Ubb=BollingerBand(C, LEN, SDEV);
> Lbb=BollingerBand(C, LEN, LSDEV);
>
> { Switch=1 == we painted High last. =2 == we painted Low last. }
>
> If switch=1 and low<=Lbb then begin
> Plot1(Low,"Lo");
> Switch = 2;
> end;
> If switch=2 and H>Ubb then begin
> Plot2(H,"Hi");
> Switch = 1;
> end;
> ***************
> (2)
> nputs:Len(39), SDEV(2),LSDEV(-2);
> Vars: switch(0),Ubb(0),Lbb(0);
>
> Ubb=BollingerBand(C, LEN, SDEV);
> Lbb=BollingerBand(C, LEN, LSDEV);
>
> { Switch=1 == we painted High last. =2 == we painted Low last. }
>
> If switch<>2 and low<=Lbb then begin
> Plot1(Low,"Lo");
> Switch = 2;
> end;
> If switch<>1 and H>Ubb then begin
> Plot2(H,"Hi");
> Switch = 1;
> end;
> *****************
>
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