You can reverse an axis by using the setRange method of the ScalarMap to
that axis.
ScalarMap sm = new ScalarMap(myRangeType, Display.YAxis);
myDisplay.addMap(sm);
...
double[] range = sm.getRange();
sm.setRange(range[1], range[0]);
Hope that helps,
Doug
Edward Stanford wrote:
>
> Hello, all.
>
> I have a 2D data set (pressure versus temperature), which I wish to display
> with pressure on the Y-Axis. Using the obvious
>
> myDisplay.addMap(new ScalarMap(myRangeType, Display.XAxis));
> myDisplay.addMap(new ScalarMap((RealType),
> myDomainType.getComponent(0),Display.YAxis));
>
> produces almost what I want: at the origin, the pressure coordinate has the
> lowest value in the data set, and at the top, it has the highest.
>
> This is certainly the expected behavior for a generic data set, but it is a
> trifle unphysical in reference to an atmosphere, where the highest
> pressures occur at the "lowest" point.
>
> Is there any obvious way to invert the scales of a scalar map? I didn't
> see one in the javadoc, but that doesn't mean it isn't there.
>
> Edward
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