[ncl-talk] unstructured smoothing

[Ehsan Taghizadeh]

Hi,I've plotted precipitation of some synoptic stations. I've gotten attached pictures with"cnFillMode= RasterFill"          (attached: plot_unstructured_grid_camseRaster.png),"cnRasterSmoothingOn=True" (attached: plot_unstructured_grid_camseRaseterSmoothing.png).
"cnFillMode=AreaFill"              (attached: plot_unstructured_grid_camseArea.png),
However I really want something like (Tang_2016.jpg, Fig.1-b), attached, which should be drawn by IDW (Inverse Distance Weighting) interpolation method. This picture is more smoother than mine and also much similar to GPM precipitation (attached: 20170411_16multibarV04.png).Could I have you help about IDW in NCL to get smoother pictures from point data?
I've attached my script and all related files. I'll be thankful for any help.
SincerelyEhsan
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