Re: [amibroker] 3-minute values incorrect in 1-minute chart

["Edward Pottasch" <empottasch@xxxxxxxxx>]

hi,

 

didn't work your code out but below is an alternative way to do this,

 

regards, Ed

 

 

 

starttime = 090000;
endtime = 090300;

tn = TimeNum();
timecond = tn >= starttime AND tn <= endtime;
firstBarOfDay = TimeNum() >= starttime ;
firstBarOfDay = firstBarOfDay - Ref(firstBarOfDay,-1);

xHigh = ValueWhen(timecond, HighestSince(firstBarOfDay,High));
xLow = ValueWhen(timecond, LowestSince(firstBarOfDay,Low));

DH = TimeFrameCompress(xHigh, inDaily, compressLast);
DL = TimeFrameCompress(xLow, inDaily, compressLast);
DH = TimeFrameExpand(DH,inDaily,expandFirst);
DL = TimeFrameExpand(DL,inDaily,expandFirst);

SetBarsRequired(-2,-2);
SetChartOptions(0, chartShowDates);
Plot(C,"C",colorWhite,64);
Plot(IIf(tn > 090000,DH,Null),"DH",colorRed,styleThick);
Plot(IIf(tn > 090000,DL,Null),"DL",colorBrightGreen,styleThick);
Plot( timecond, "", colorLightGrey, styleArea|styleOwnScale,0,1);

 

 

 

 

 

----- Original Message -----

From: ezbentley

To: amibroker@xxxxxxxxxxxxxxx

Sent: Sunday, August 09, 2009 12:05 AM

Subject: [amibroker] 3-minute values incorrect in 1-minute chart

 

I am trying to extract the HIGH and LOW of the 3-minute bar at 9AM and plot two horizontal lines in 1-minute chart as reference levels. The values should not update until 9AM next day. However, the code below does not work, and the values change as I scroll the charts left and right. Can anyone help?

TimeRangeRef = TimeNum() == 090000;

// Obtain values from 3-minute time frame
TimeFrameSet(in1Minute * 3);
RangeHigh = ValueWhen(TimeRangeRef, H);
RangeLow = ValueWhen(TimeRangeRef, L);
TimeFrameRestore();

// Extract values for use in 1-minute chart
Long_price = TimeFrameExpand(RangeHigh, in1Minute * 3);
Short_price = TimeFrameExpand(RangeLow, in1Minute * 3);

Plot(Long_price, "Long" + _PARAM_VALUES(), ParamColor("Color Long", Colorcycle), ParamStyle("Style"));
Plot(Short_price, "Short" + _PARAM_VALUES(), ParamColor("Color Short", Colorcycle), ParamStyle("Style"));

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