[ncl-talk] Coordinate syronising error

[Rashed Mahmood]

But even if it is the case, then still the range in your: XDim_MOP03:
[-179.5..179.5], does not make sense for a latitude range. latitude range
should be within -90 to 90. You need to look into your data to make sure it
is read correctly. Also a suggestion, please reduce your script for
debugging and test it with one input file.

On Wed, Jun 2, 2021 at 5:52 PM Najib Yusuf <najibgal at yahoo.com> wrote:

> No Rashed, could it be interchanged with longitude?
>
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>
> On Wed, 2 Jun 2021 at 16:32, Rashed Mahmood
> <rashidcomsis at gmail.com> wrote:
> The latitude range from the variable summary looks strange:
> Coordinates:
>             XDim_MOP03: [-179.5..179.5]
>             *YDim_MOP03: [ 0.5..359.5]*
> Do you know why latitudes are expanding from 0.5 to 359.5?
>
> On Wed, Jun 2, 2021 at 4:39 PM Najib Yusuf via ncl-talk <
> ncl-talk at mailman.ucar.edu> wrote:
>
> Dear Dennis,
>
> Thank you for this quick response. I have effected the suggestion, the
> printVarSummary is:
>
> Variable: co_model
> Type: float
> Total Size: 148635648 bytes
>             37158912 values
> Number of Dimensions: 4
> Dimensions and sizes:   [time | 12] x [lev | 56] x [lat | 192] x [lon |
> 288]
> Coordinates:
>             time: [  31.. 365]
>             lev: [1.867879997007549..992.5000106104562]
>             lat: [ -90..  90]
>             lon: [   0..358.75]
> Number Of Attributes: 4
>   mdims :       1
>   units :       mol/mol
>   long_name :   CO concentration
>   cell_methods :        time: mean
>
> Variable: cocol_retr_flip
> Type: float
> Total Size: 3110400 bytes
>             777600 values
> Number of Dimensions: 3
> Dimensions and sizes:   [ncl_join | 12] x [XDim_MOP03 | 360] x [YDim_MOP03
> | 180]
> Coordinates:
>             XDim_MOP03: [-179.5..179.5]
>             YDim_MOP03: [ 0.5..359.5]
> Number Of Attributes: 5
>   long_name :   Retrieved CO Total Column Day
>   units :       mol/cm^2
>   _FillValue :  -9999
>   projection :  Geographic
>   lonFlip :     longitude coordinate variable has been reordered via
> lonFlip
>
> However, when I run I get similar error:
> fatal:NclOneDValGetClosestIndex: finish coordinate index out of range,
> can't continue
> fatal:Could not obtain coordinate indexes, unable to perform subscript
> fatal:["Execute.c":8637]:Execute: Error occurred at or near line 172 in
> file Annualaverage_MOPITTCO_nyg_modified.ncl
>
> I know you are busy, kindly spare some time to assist me look at the
> script as you use to.
>
> Thank you sir.
>
> Najib
>
>
>
> On Tuesday, June 1, 2021, 09:29:32 PM GMT+1, Dennis Shea <shea at ucar.edu>
> wrote:
>
>
> I don't have the time to look at your script right now.
>
> However, The lat/lon ranges are different.
>
> In particular the longitudes. Likely, you will have to make the longitudes
> both be (nominally) 0-to-360 or -180-to180
> You can use *lonFlip*
> <http://www.ncl.ucar.edu/Document/Functions/Contributed/lonFlip.shtml>
> to accomplish this.
>
> Variable: co_model
> Dimensions and sizes:   [time | 12] x [lev | 56] x [lat | 192] x [lon |
> 288]
> Coordinates:
>             time: [  31.. 365]
>             lev: [1.867879997007549..992.5000106104562]
>
> *            lat: [ -90..  90]            lon: [   0..358.75*]
>
> Variable: cocol_retr
> Dimensions and sizes:   [ncl_join | 12] x [XDim_MOP03 | 360] x [YDim_MOP03
> | 180]
> Coordinates:
>
> *          XDim_MOP03: [-179.5..179.5]            YDim_MOP03:
> [-89.5..89.5]*
> ~
>
> On Tue, Jun 1, 2021 at 5:17 AM Najib Yusuf via ncl-talk <
> ncl-talk at mailman.ucar.edu> wrote:
>
> Dear NCL users,
>
> I am comparing CO from MOPITT satellite retrieval and model CAM output
> with averaging kernel been considered. I am having trouble synchronising
> the coordinates amd the error is:
> fatal:NclOneDValGetClosestIndex: finish coordinate index out of range,
> can't continue
> fatal:Could not obtain coordinate indexes, unable to perform subscript
> fatal:["Execute.c":8637]:Execute: Error occurred at or near line 165 in
> file Annualaverage_MOPITTCO_nyg_modified.ncl ( under:  Collect equivalent
> profile)
>
> I look around NCL examples but couldn't figure out how to resolve the
> issue and get the plot.
> Kindly assist to figure out the solution to this. The script Annualaverage_MOPITTCO_nyg_modified.ncl
> and the run CO_MOPITT_MODEL_Comparison_run are attached.
>
> Thank you for your support.
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