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--- In amibroker@xxxxxxxxxxxxxxx, Esteban <EstebanUno@xxx> 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@xxx> 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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