[ncl-talk] gc_inout

Tue Mar 26 19:37:10 MDT 2019

geolocation_circle is giving me 3 dimensions circle_lat and lon. My
rainfall data is 2 dimensions [tcavgmar = dim_avg_n_Wrap(prc2,0)].
My question is how I can mask the rainfall data within circle_lat and lon?

I hope I could explain what I want.

On Wed, Mar 27, 2019 at 12:17 AM Rick Brownrigg <brownrig at ucar.edu> wrote:

> I don't understand what is happening there -- does the "totype" error
> message align with the where statement?  Again,  prinVarSummary() is your
> friend when it comes to debugging.
>
>
>
> On Mon, Mar 25, 2019 at 10:54 PM Md. Jalal Uddin <dmjalal90 at gmail.com>
> wrote:
>
>> Hi Rick,
>>
>> Thanks for your sound explanation. Please help.
>>
>> slat      = (/ 7.5, 8.5, 9.5 /)
>> slon      = (/88,88.5,89/)
>> srad      = (/ 500 /)
>> srad_unit = 1
>> N         = 180
>> opt       = False
>> circle    = geolocation_circle(slat, slon, srad, srad_unit, N, opt)
>> circle_lat = circle[0]
>> circle_lon = circle[1]
>>
>> Now, I tried to mask my data within circle_lat and lon.
>>  f2  = addfile("all_mar.nc", "r")
>>  prc2 =f2->pre
>> tcavgmar = dim_avg_n_Wrap(prc2,0)
>>
>> lat = new(3,"float")
>> lon = new(3,"float")
>>
>> in_circle = gc_inout(circle_lat,circle_lon,lat,lon)
>> copy_VarMeta(circle_lat,in_circle)
>> martrmm  = where(in_circle,tcavgmar,tcavgmar at _FillValue)
>>
>> errors:
>>
>> (0)     totype: warning: cannot convert input variable type <float> to type: <logical>
>> (0)        The original type: <float> will be returned.
>> fatal:where: condition variable (parameter 0) dimension mismatch with parameter 1
>>
>>
>>
>>
>> On Tue, Mar 26, 2019 at 3:49 AM Rick Brownrigg <brownrig at ucar.edu> wrote:
>>
>>> Well, based on that error message, it sounds like your plat/plon arrays
>>> are of different sizes, which in turn sounds like the points you want to
>>> test for inclusion/exclusion have not been constructed properly.  Perhaps
>>> put in some printVarSummary statements to make sure your variables are what
>>> you think they are.
>>>
>>>
>>>
>>> On Mon, Mar 25, 2019 at 4:14 AM Md. Jalal Uddin <dmjalal90 at gmail.com>
>>> wrote:
>>>
>>>> Hi all,
>>>> I have multiple locations for cyclone track and followed the polyg_25
>>>> example to calculate 500km radius for every location (
>>>> http://www.ncl.ucar.edu/Applications/Scripts/polyg_25.ncl). Finally, I
>>>> used gc_inout to mask rainfall data inside the circle. However, I am
>>>> getting the following errors:
>>>>
>>>> fatal:gc_inout: the dimensions sizes for the plat/plon arrays must be
>>>> the same as all but the rightmost dimension of the lat/lon arrays
>>>> fatal:["Execute.c":8637]:Execute: Error occurred at or near line 77 in
>>>> file tc500_modi_mar.ncl
>>>>
>>>> I attached the figure and script herewith. Could I have any
>>>> suggestions, please?
>>>>
>>>> Best Regards,
>>>> Jalal
>>>>
>>>>
>>>>
>>>> [image: tc500km_mar1.000003.png]
>>>>
>>>> --
>>>> *Md. Jalal Uddin*
>>>> MSc in Applied Meteorology (English Language)
>>>> Nanjing University of Information, Science and Technology, China
>>>> B.Sc. in Disaster Management (Hons.)
>>>> Patuakhali Science and Technology University, Bangladesh.
>>>> Cell: +8613260859092, +8801792052662
>>>> Web: www.dmjalal90.weebly.com
>>>> Facebook: jalal.hossen.39
>>>> LinkedIn: https://bd.linkedin.com/in/md-jalal-uddin-80a026b0
>>>> Twitter: dmjalal90
>>>> Skype: dmjalal90
>>>> _______________________________________________
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>>>
>>
>> --
>> *Md. Jalal Uddin*
>> MSc in Applied Meteorology (English Language)
>> Nanjing University of Information, Science and Technology, China
>> B.Sc. in Disaster Management (Hons.)
>> Patuakhali Science and Technology University, Bangladesh.
>> Cell: +8613260859092, +8801792052662
>> Web: www.dmjalal90.weebly.com
>> Facebook: jalal.hossen.39
>> LinkedIn: https://bd.linkedin.com/in/md-jalal-uddin-80a026b0
>> Twitter: dmjalal90
>> Skype: dmjalal90
>>
>

-- 
*Md. Jalal Uddin*
MSc in Applied Meteorology (English Language)
Nanjing University of Information, Science and Technology, China
B.Sc. in Disaster Management (Hons.)
Patuakhali Science and Technology University, Bangladesh.
Cell: +8613260859092, +8801792052662
Web: www.dmjalal90.weebly.com
Facebook: jalal.hossen.39
LinkedIn: https://bd.linkedin.com/in/md-jalal-uddin-80a026b0
Twitter: dmjalal90
Skype: dmjalal90
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