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Great idea that should be in the knowledge base.
Seede
--- In amibroker@xxxxxxxxxxxxxxx, "inertia_trader"
<inertia_trader@xxx> wrote:
>
> --- In amibroker@xxxxxxxxxxxxxxx, Esteban <EstebanUno@> wrote:
> > keep perspective by using a constant scale... For example in a
> > tight range I don't want bars using the whole plot area, but would
> > like to keep it confined to an area of the plot that keeps the
> > range in perspective to the rest of the chart that is not in view.
>
> Ahh, now I understand exactly what you are saying. There's a trick
> I've used in the past to programatically set a minimum range for
> the y-axis. If, for example, I want a minimum y-axis range of -10
> to +10, even if the data are much smaller, I can do the following:
>
> backgroundColor = <fillInYourBackgroundColorHere>;
> dummyHigh = 10;
> dummyLow = -10;
> plot(myData, "Data I Want To See", colorBlue, styleBar|styleThick);
> plot(dummyHigh, "", backgroundColor); // invisible plot
> plot(dummyLow, "", backgroundColor); // invisible plot
>
> Of course, if some values of myData exceed +/-10, the axis will
> expand according. If you wanted an absolutely fixed axis over
> all timeframes, you could set
> dummyHigh = lastValue(highest(myData)); and
> dummyLow = lastValue(lowest(myData));
>
>
> Tom
>
>
> > On 6/21/07, inertia_trader <inertia_trader@> wrote:
> > >
> > > Esteban, the purpose of styleOwnScale is to decouple your
plot's
> > > scaling from the y axis. You seem to want the plot and axis
> > > coupled together, if I understand you correctly. Therefore the
> > > obvious answer would be not to use styleOwnScale. You might be
> > > better off simply applying min() and max() to the actual data
> > > you're plotting if there are values below which and above which
> > > you don't want to see.
> > >
> > > --- In amibroker@xxxxxxxxxxxxxxx <amibroker%40yahoogroups.com>,
> "Esteban"
> > > <EstebanUno@> wrote:
> > > >
> > > > How can I match the y axis scale grid to the styleOwnScale
minimum
> > > > and maximum values in my code?
> > > >
> > > > minScl = param("min scale",6,0,10,1);
> > > > maxScl= param("max scale",12,7,16,1);
> > > > PlotForeign("Sym","Example", colorBlue, styleBar | styleThick
|
> > > > styleOwnScale, minScl, maxScl);
> > > >
> > > > I know I can do it manually in the parameters > axes & grid
tab by
> > > > choosing custom then setting the values for min and maximum.
Gets
> > > > to be a hassle having to change this each time I change a
scaling
> > > > parameter in the parameters tab. Even worse is that the actual
> > > > parameters I use only change inputs that calculate the scale.
So I
> > > > have to calculate manually to make changes in the axes & grid
tab.
> > > >
> > > > Any ideas?
> > > >
> > >
> > >
> > >
> >
>
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