Hi Alan,
In the upcoming NCL release, we've added a new resource "wkBackgroundOpacityF" to address this very issue. Unfortunately, I don't think you can get what want in any version you are likely to have. Let us know if you need an interim version with the new resource.
Rick
On Nov 6, 2013, at 12:50 PM, Alan Brammer <abrammer@albany.edu> wrote:
> Hi all,
>
> With all the recent transparency availability, and this may be a very specific desire, I’m wondering if I can output a plot with contour lines (or anything really) and a transparent background so I can then overlay these plots in a web application.
>
> I currently have ways of doing this in imagemagick but that adds a couple of extra steps, that I feel could possibly all be handled in NCL.
>
> Apologies if this is obvious and the solution is out there, I tried with a couple of experiments using wkBackgroundColor to no avail.
>
>
> Alan.
>
>
> P.s. Just found this thread from last year but can’t find a solution.
>
> http://www.ncl.ucar.edu/Support/talk_archives/2012/3562.html
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Received on Wed Nov 6 14:53:52 2013
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