[ncl-talk] Plotting unstructured mesh

[Mary Haley]

Mathieu,

What version of NCL are you running?

ncl -V

I was able to run your script just fine, but I changed cnFillMode from
"AreaFill" to "RasterFill". See attached png.

--Mary


On Mon, Dec 8, 2014 at 8:17 AM, Mathieu Dutour <mathieu.dutour at gmail.com>
wrote:

> Dear ncl users,
>
> I have some errors for some contour plots on unstructured
> grids (the script is in attachment and the relevant netcdf file
> is available from
> http://mathieudutour.altervista.org/Sending/test.nc   )
>
> Below is exact error:
> fatal:ContourPlotPreDraw: ARSCAM/ARPRAM - ALGORITHM FAILURE
> fatal:ContourPlotDraw: draw error
> fatal:PlotManagerPreDraw: error in plot pre-draw
> fatal:_NhlPlotManagerDraw: PreDraw error
>
> I believe that the data is too irregular for the algorithm to plot it.
> But is there any way to alleviate this problem?
>
> Secondly, the plots sometime takes extremely long time to be done.
> The mesh has only 110804 nodes which is nowhere near big. What
> would be possible to avoid that problem?
>
>   Mathieu
>
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