[ncl-talk] sf[XY]CellBounds

[Dennis Shea]

At the top of any Example page, you will see:

Example pages containing: *tips
<http://www.ncl.ucar.edu/Applications/concepts_list.shtml>* | *resources
<http://www.ncl.ucar.edu/Applications/res_list.shtml>* | *functions/procedures
<http://www.ncl.ucar.edu/Applications/func_list.shtml>*

Click: *resources*

Then search for (say): *sfXCellBounds*

A list of examples using that resource will be listed.

Good Luck

On Thu, Sep 26, 2019 at 8:15 AM G.Monte--- via ncl-talk <ncl-talk at ucar.edu>
wrote:

> Dears all,
> I have to plot a scalar field (rain rate) on a contouring map, which is
> arranged this way in an ascii file: lat-lon-rain rate.
> If I set cnFillMode as "CellFill", the ncl script does not work since I
> had to set sf[XY]CellBounds first; unfortunately, I still don't understand
> very well how to fill these arrays (probably, I get wrong with the
> dimensions to assign them). At the moment, I overcame this inconvenience
> by setting cnFillMode as "RasterFill" and cnRasterCellSizeF = 0.0015, but
> I think that it should not be the proper way and sf[XY]CellBounds would be
> much better for plotting data. I attach the main code lines in the ncl
> script:
>
> ;---read longitude
> lat = dataf(:,2)
>
> ;---read latitude
> lon = dataf(:,3)
>
> ;---read data
> rr = dataf(:,4)
>
> res at mpLimitMode         = "LatLon"
> res at mpMinLonF           = 0
> res at mpMaxLonF           = 30
> res at mpMinLatF           = 35
> res at mpMaxLatF           = 50
>
> res at sfXArray            = lon
> res at sfYArray            = lat
>
> res at pmTickMarkDisplayMode = "Always"
>
> res at cnFillOn                   = True
> res at cnLinesOn                  = False
> ;res at cnRasterSmoothingOn        = True
> res at cnRasterCellSizeF          = 0.0015
> res at cnFillMode                 = "RasterFill"
>
> Can you provide me with some examples of a correct usage of
> sf[XY]CellBounds?
> Thank you in advance,
>
> Giulio
>
>
>
>
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