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Re: Question about configuring axes [message #3269]

Tue, 03 January 1995 13:14

kucera
Messages: 7
Registered: June 1994

Junior Member

In article <1995Jan3.195504.1252@llyene.jpl.nasa.gov>, erk@cobra.jpl.nasa.gov (Emil R Kursinski) writes...
> Is there any simple way with IDL to plot something with an axis on which values
> decrease rather than increase? For instance when one uses pressure as the
> vertical coordinate to represent atmospheric structure, pressure decreases
> with height and therefore when pressure is used as the y-axis variable, the
> largest values of pressure are those at the bottom of the y-axis.
>
> For instance...
>
> 600 -|
> |
> |
> 800 -|
> |
> |
> 1000 -|
> ------------------------
>
> Thanks for any help,
> Rob Kursinski
>

Yes. Just specify yrange with the higher value first:

plot,xdata,pressure,yrange=[1000,600]
Terry Kucera

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