[ncl-talk] Strange problem related to linint1_Wrap

[Dave Allured - NOAA Affiliate]

Correction.  Do not use quotes here:  delete (ff1&HEIGHT)


On Mon, Oct 30, 2023 at 9:16 AM Dave Allured - NOAA Affiliate <
dave.allured at noaa.gov> wrote:

> Barry, please notice that there is a HEIGHT coordinate variable attached
> to ff1 after interpolation, but there is no such coordinate variable
> attached to ff1_s before interpolation.  It looks like the attached HEIGHT
> coordinate variable is misleading the plot function in some way.  Try
> delete ("ff1&HEIGHT").
>
> I am not familiar with the cross section plotting function.  But it looks
> like in the first plot, you are setting some plot resources to set the
> range, spacing, and units of the height axis.  I suspect that these
> settings are in conflict with the attached HEIGHT coordinates which may
> have been generated by linint1_Wrap.  The units are different.  Instead of
> deleting the HEIGHT coordinate variable, you could try deleting or
> adjusting the conflicting resource settings.
>
> If you want to rescale the attached HEIGHT coordinates from meters to km,
> then simply "ff1&HEIGHT = ff1&HEIGHT / 1000".
>
>
> On Mon, Oct 30, 2023 at 8:08 AM Barry Lynn via ncl-talk <
> ncl-talk at mailman.ucar.edu> wrote:
>
>> Hello:
>>
>> I wanted to use linint1 to interpolate WRF data to height surfaces with
>> constant spacing between levels.  But, there are two mysteries.
>>
>> You can see the WRF data in a cross-section of radar in (a; the variable
>> ff1_s below).  When I interpolate the data (b, ff1) is compacted towards
>> the bottom of the cross-sectional plot.  Moreover, the height information
>> on the y-axis will not plot.
>>
>> I understand why the data is compacted, but not why I can't eliminate the
>> white space above.  If I reduce the range of WRF data sampled in the z
>> direction, I just have a truncated cross-section (it doesn't get any closer
>> to the top of the cross-section).
>>
>> I don't see why using ff1 (from the interpolate) would make the labeling
>> disappear.
>>
>> Variable: ff1_s
>>
>> Type: float
>>
>> Total Size: 33728 bytes
>>
>>             8432 values
>>
>> Number of Dimensions: 2
>>
>> Dimensions and sizes: [height | 31] x [lon | 272]
>>
>> Coordinates:
>>
>> Number Of Attributes: 1
>>
>>   _FillValue : 9.96921e+36
>>
>>
>> Variable: ff1
>>
>> Type: float
>>
>> Total Size: 33728 bytes
>>
>>             8432 values
>>
>> Number of Dimensions: 2
>>
>> Dimensions and sizes: [HEIGHT | 31] x [lon | 272]
>>
>> Coordinates:
>>
>>             HEIGHT: [500..15500]
>>
>> Number Of Attributes: 1
>>
>>   _FillValue : 9.96921e+36
>>
>> --
>> Barry H. Lynn, Ph.D
>> Senior Scientist, Lecturer,
>> The Institute of Earth Sciences,
>> The Hebrew University of Jerusalem,
>> Givat Ram, Jerusalem 91904, Israel
>> Tel: 972 547 231 170
>> Fax: (972)-25662581
>>
>> Weather It Is, LTD
>> Weather and Climate Focus
>> https://weather-it-is.com <http://weather-it-is.com>
>> Jerusalem, Israel
>> Local: 02 930 9525
>> Cell: 054 7 231 170
>> Int-IS: x972 2 930 9525
>>
>
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