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Thank you for your help herman, your codes work, and I've learnt how
to use HHV() in these codes too.
Although I asked to plot on a 1 minute chart, having codes worked
only in one timeframe still buggs me. After some reseach, I found
that AB does not "compress" TimeNum(), so a DateNum() should be used.
I modified the codes to:
TimeFrameSet(in15Minute);
ORh = ValueWhen(DateNum() != Ref(DateNum(),-1), H);
ORl = ValueWhen(DateNum() != Ref(DateNum(),-1), L);
TimeFrameRestore();
OR15h = TimeFrameExpand(ORh, in15Minute);
OR15l = TimeFrameExpand(ORl, in15Minute);
intrv = IIf(Interval()/60 < 15, 15, Interval()/60);
Plot(OR15h,WriteVal(intrv, 1.0)+" minute high",colorGreen);
Plot(OR15l,WriteVal(intrv, 1.0)+" minute low", colorYellow);
Plot(C,"Close",1,128);
GraphXSpace=5;
now it returns first 15 minute high, low for 15 minute and lower
chart, and first bar high, low for other higher timeframe intraday
chart, I consider this a "good bug" for I can now easily find out
first 30, 60, 120 minute high and low also.
I still don't know how to store constantly 15 high and low without
setting up a loop or using a 3rd part DLL, if you have any ideas I'd
love to hear.
Thanks again.
HooLee
--- In amibroker@xxxxxxxxxxxxxxx, "Herman van den Bergen"
<psytek@xxxx> wrote:
> Sometimes i can't find my coding errors and I just fiddle around to
find
> another way :-)
>
> OR15h = ValueWhen(TimeNum()==094500, HHV(H,15));
> OR15l = ValueWhen(TimeNum()==094500, LLV(L,15));
> Plot(OR15h,"15 minute high",colorGreen);
> Plot(OR15l,"15 minute low", colorYellow);
> Plot(C,"Close",1,128);
> GraphXSpace=5;
>
> herman
> -----Original Message-----
> From: hoolee0820 [mailto:hoolee0820@x...]
> Sent: Sunday, May 16, 2004 7:51 AM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: [amibroker] Ploting a opening range
>
>
> I'm trying to store and plot first 15 minute hign and low on a 1
> minute chart. Hers is the codes:
>
> TimeFrameSet(in15Minute);
> ORh = ValueWhen(TimeNum()==93000, H);
> ORl = ValueWhen(TimeNum()==93000, L);
> TimeFrameRestore();
> OR15h = TimeFrameExpand(ORh, in15Minute);
> OR15l = TimeFrameExpand(ORl, in15Minute);
> Plot(OR15h,"15 minute high",colorGreen);
> Plot(OR15l,"15 minute low", colorYellow);
>
> this works correctly on charts with 15 minute (and above) time
frame,
> but not on lower time frame. Can someone point out what I did
wrong?
>
> Thanks,
>
> HooLee
>
>
>
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