[ncl-talk] how to plot this triangle grids

[Mary Haley]

Dear Qi,

We have an example similar to this.  Please see:

http://www.ncl.ucar.edu/Applications/table.shtml#ex6

This uses dummy data, but hopefully you can modify this to create four
triangles per square.

If you can provide the data, then I can help you come up with a script.

--Mary


On Wed, Jul 26, 2017 at 9:29 AM, LI Qi <liqi123sh at qq.com> wrote:

> Dear NCL,
>
> I'd like to ask how to plot the attached fig.
> It's RMSE, the four quadrants in one grid representing four different
> reanalysis.
> Is this plot attributed to triangle mesh or raster fill?
> Thanks for any light shed on this.
>
> Qi
>
>
> The “portrait” diagram of relative spatially averaged RMSEs in the
> 1981–2000 climatologies of temperature and precipitation indices simulated
> by the CMIP5 models with respect to the four reanalyses, ERA40 (left
> triangle), ERA-Interim (upper triangle), NCEP1 (right triangle), and NCEP2
> (lower triangle). The RMSEs are spatially averaged over global land grid
> points. The top row indicates the mean relative RMSE across all indices for
> a particular model and the grey-shaded columns on the right side indicates
> the standardized median RMSEmedian,std for CMIP3 and CMIP5 (see text for
> details).
>
>
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