Re: one contour

Thanks, David and Mary!

On Mon, Aug 22, 2011 at 9:18 PM, Mary Haley <haley@ucar.edu> wrote:

> Hi,
>
> To add to Dave's answer, if you want to see an example that uses
> cnLevelFlags, you can search our examples page for this resource.
>
> Go to
>
> http://www.ncl.ucar.edu/Applications/
>
> and click on the word "resources" in the top sentence that starts with
> "[List of tips, resources, ...]"
>
> Give this page some time to load, and then search for "cnLevelFlags".
> You'll see two examples listed. I recommend clicking on the text in
> parentheses first so you can then see both the example thumbnail, the short
> description, *and* the link to the actual script.
>
> In your case, I think the "coneff_15.ncl" example will be the most useful
> to look at.
>
> --Mary
>
> On Aug 18, 2011, at 10:57 PM, David Brown wrote:
>
> If you mean a contour line at level 0.5, since the color fill and line
> contours share the same level array you would need to modify your level
> array to include a new level at 0.5. You could then explicitly set the
> contour fill colors so that the intervals [0 , .5] and [.5 , 4] have the
> same color, and use cnLevelFlags to turn off all lines except the line for
> the 0.5 level.
> -dave
> On Aug 18, 2011, at 8:51 PM, H.Dang wrote:
>
> Hello,
>
> I have a question about contour plots, say my current contour is
> color-shaded like: -4, 0, 4, 8... Can I draw only one thick "0.5" line upon
> them? Thank you for your help.
>
> --
> Cordially,
> Hongyan(鸿雁)
> Tel: 1-519-8884567ext36667
>
>
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-- 
Cordially,
Hongyan(鸿雁)
Tel: 1-519-8884567ext36667