|
PureBytes Links
Trading Reference Links
|
Tim,
You can not mix logarithmic and linear scale in one pane.
"Logarithmic" is a property of chart PANE
not individual plot line.
Best regards,
Tomasz Janeczko
amibroker.com
----- Original Message -----
From: "Tim Gadd" <timgadd@xxxxxxxxx>
To: <amibroker@xxxxxxxxxxxxxxx>
Sent: Monday, March 10, 2003 10:03 PM
Subject: [amibroker] Re: Indicator Code not working after upgrade
> Tomasz,
>
> Do I understand you to mean that StyleOwnScale will not allow
> plotting a histogram (without the styleLog argument) over a
> logarithmic price chart?
>
> Just want to be sure before I abandon ship.
>
> Tim Gadd
>
> --- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko" <amibroker@xxxx>
> wrote:
> > Tim,
> >
> > This happens because you want to plot NEGATIVE values
> > using log scale. (rate of change can be negative)
> >
> > The logarithm of negative argument does not exist in mathematics.
> >
> > Best regards,
> > Tomasz Janeczko
> > amibroker.com
> > ----- Original Message -----
> > From: "Tim Gadd" <timgadd@xxxx>
> > To: <amibroker@xxxxxxxxxxxxxxx>
> > Sent: Monday, March 10, 2003 6:09 PM
> > Subject: [amibroker] Re: Indicator Code not working after upgrade
> >
> >
> > > Tomasz,
> > >
> > > I tried that (see last paragraph of original message), but then
> the
> > > indicator doesn't plot as a histogram. It plots all lines from
> the
> > > bottom of the pane. The only way I can get it to plot as a
> histogram
> > > is if I remove the Logarithmic check box and I don't want to do
> that.
> > > I want price plotted using Logarithmic scale.
> > >
> > > Thanks for the lightning fast response.
> > >
> > > Tim Gadd
> > >
> > > --- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko"
> <amibroker@xxxx>
> > > wrote:
> > > > Hello,
> > > >
> > > > There is no styleLog anymore.
> > > > Use "logarithmic" check box in the Indicator Builder instead.
> > > >
> > > >
> > > > Plot (RelRocOfPrice, "RelRoc of Price", barcolor,
> styleOwnScale |
> > > styleHistogram); // don't use styleLog
> > > >
> > > > Best regards,
> > > > Tomasz Janeczko
> > > > amibroker.com
> > > > ----- Original Message -----
> > > > From: "Tim Gadd" <timgadd@xxxx>
> > > > To: <amibroker@xxxxxxxxxxxxxxx>
> > > > Sent: Monday, March 10, 2003 5:56 PM
> > > > Subject: [amibroker] Indicator Code not working after upgrade
> > > >
> > > >
> > > > > Prior to upgrading to version 4.3, the following code worked.
> Now
> > > I'm
> > > > > getting the error message ...
> > > > >
> > > > > Unknown identifier at line 29, column 10:
> > > > > Plot (RelRocOfPrice, "RelRoc of Price", barcolor, styleLog |
> > > > > -----------------------------------------------------------^
> > > > >
> > > > > BTW, this indicator code is placed in the builtin price
> indicator
> > > > > formula.
> > > > >
> > > > > //Start of indicator code
> > > > >
> > > > > Period = 107;
> > > > >
> > > > > UpDay = C > Ref(C,-1);//define an up day
> > > > > UpDays = Sum(UpDay, Period);//# of up days in the period
> > > > > AvgUpRoc = MA(ROC(C,1) * UpDay,UpDays);//Average of the 1-day
> > > ROCs
> > > > > for up days over the lookback period
> > > > > RelUpRoc = ROC(C,1) / Ref(AvgUpRoc,-1);//Today's 1-Day ROC
> > > compared
> > > > > to yesterday's AvgUpRoc
> > > > > DnDay = C < Ref(C,-1);//define a down day
> > > > > DnDays = Sum(DnDay, Period);//# of down days in the period
> > > > > AvgDnRoc = MA(ROC(C,1) * DnDay,DnDays);//Average of the 1-day
> > > ROCs
> > > > > for down days over the lookback period
> > > > > RelDnRoc = -(ROC(C,1) / Ref(AvgDnRoc,-1));//Today's 1-Day ROC
> > > > > compared to yesterday's AvgDnRoc
> > > > >
> > > > > RelRocOfPrice = IIf(UpDay,RelUpRoc-1,RelDnRoc+1);
> > > > >
> > > > > BarColor = IIf(UpDay, colorDarkGreen, IIf(DnDay,
> > > > > colorRed,colorBlack) );
> > > > >
> > > > > Plot (RelRocOfPrice, "RelRoc of Price", barcolor, styleLog |
> > > > > styleOwnScale | styleHistogram); // THIS IS THE PROBLEM LINE
> > > > >
> > > > > Plot(MA(RelRocOfPrice,3),"",colorLightBlue,styleHistogram |
> > > > > styleThick | styleOwnScale);
> > > > >
> > > > > //--Indicator-End--
> > > > >
> > > > > If I remove the styleLog parameter from the problem line, the
> > > error
> > > > > message goes away, but the indicator no longer plots as a
> > > histogram.
> > > > > It plots all lines starting from the bottom of the pane. I
> have
> > > > > Logarithmic checked at the bottom of the indicator builder,
> as I
> > > want
> > > > > to price plotted using a logarithmic scale.
> > > > >
> > > > > Can someone spot the problem? Help appreciated.
> > > > >
> > > > > Tim Gadd
> > > > >
> > > > >
> > > > >
> > > > >
> > > > > Send BUG REPORTS to bugs@xxxx
> > > > > Send SUGGESTIONS to suggest@xxxx
> > > > > -----------------------------------------
> > > > > Post AmiQuote-related messages ONLY to:
> amiquote@xxxxxxxxxxxxxxx
> > > > > (Web page: http://groups.yahoo.com/group/amiquote/messages/)
> > > > > --------------------------------------------
> > > > > Check group FAQ at:
> > > http://groups.yahoo.com/group/amibroker/files/groupfaq.html
> > > > >
> > > > > Your use of Yahoo! Groups is subject to
> > > http://docs.yahoo.com/info/terms/
> > > > >
> > > > >
> > > > >
> > >
> > >
> > > Send BUG REPORTS to bugs@xxxx
> > > Send SUGGESTIONS to suggest@xxxx
> > > -----------------------------------------
> > > Post AmiQuote-related messages ONLY to: amiquote@xxxxxxxxxxxxxxx
> > > (Web page: http://groups.yahoo.com/group/amiquote/messages/)
> > > --------------------------------------------
> > > Check group FAQ at:
> http://groups.yahoo.com/group/amibroker/files/groupfaq.html
> > >
> > > Your use of Yahoo! Groups is subject to
> http://docs.yahoo.com/info/terms/
> > >
> > >
> > >
>
>
> Send BUG REPORTS to bugs@xxxxxxxxxxxxx
> Send SUGGESTIONS to suggest@xxxxxxxxxxxxx
> -----------------------------------------
> Post AmiQuote-related messages ONLY to: amiquote@xxxxxxxxxxxxxxx
> (Web page: http://groups.yahoo.com/group/amiquote/messages/)
> --------------------------------------------
> Check group FAQ at: http://groups.yahoo.com/group/amibroker/files/groupfaq.html
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>
>
>
Send BUG REPORTS to bugs@xxxxxxxxxxxxx
Send SUGGESTIONS to suggest@xxxxxxxxxxxxx
-----------------------------------------
Post AmiQuote-related messages ONLY to: amiquote@xxxxxxxxxxxxxxx
(Web page: http://groups.yahoo.com/group/amiquote/messages/)
--------------------------------------------
Check group FAQ at: http://groups.yahoo.com/group/amibroker/files/groupfaq.html
Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
|