X and Y axis Plots with cross section

[Mary Jo Nath]

Alan,

The cross-section is a 2-D plot. The SFC P is considered a 1-D line
plot. GrADS must compute the plotting space differently for the two
different types of plots. Try using the "set parea" command to force the
plots into the same-sized space. (See the documentation for how to use
"set parea".) Use "set vrange" to match the SFC P Y-axis scale to the
Y-axis pressure coordinate in the cross-section plot, and use the same
"set lon" for both plots.

MJ

Alan Klein wrote:
> I am trying to produce a simple cross-section containing RH, T, and SFC P. I have no problem with
> plotting the RH and T (from 1000mb-150mb). However when I plot SFC P, a second y axis and y
> axis are plotted (same values as the RH/T set, but shifted as if the scale is somehow different). I
> have set all of the data to the same range, but am not sure why the surface pressure plot is
> shifted.
> My code for the basic set-up is:
> 'set lon 250 273'
> 'set lat 45'
> 'set lev 1000 150'
>
> And to set the surface pressure to plot on the same scale, I have tried both of the following with
> the same undesired results:
> 'set axlim 1000 150'
> 'set vrange 1000 150'
>
> Any idea as to what I need to fix to plot this correctly?
>
> If someone has a better way to show where the surface is, perhaps that is better.
>
> Thanks for the help in advance,
> --Alan Klein
>
>
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