actually the Daily stuff can be
removed:
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));
SetBarsRequired(-2,-2);
SetChartOptions(0,
chartShowDates);
Plot(C,"C",colorWhite,64);
Plot(xHigh,"xHigh",colorRed,styleThick);
Plot(xLow,"xLow",colorBrightGreen,styleThick);
Plot( timecond, "", colorLightGrey, styleArea|styleOwnScale,0,1);
----- Original Message -----
Sent: Sunday, August 09, 2009 10:21
AM
Subject: Re: [amibroker] 3-minute values
incorrect in 1-minute chart
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 -----
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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