[ncl-talk] do loop problem for overlay plot

[Rick Brownrigg]

Are you getting valid values when you subset the variable "z" the second
time through the loop; e.g., what does printVarSummary(z_kk) and min_z and
max_z report?

On Mon, Jan 1, 2018 at 6:41 PM, Ying Song via ncl-talk <ncl-talk at ucar.edu>
wrote:

> Hi NCL help,
>
> I have a question about overlay plot with do loop. I have two loops (time
> and level).  The plot is okay for first loop(time) but the second loop
> (level) misses one layer (color filled contour plot) when overlaying. This
> is actually the base layer. But the vector and epv are still plotted. No
> sure what's wrong in my script. Please help me check. Thank you very much!
> Script and plot are attached.
>
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