[ncl-talk] plotting country outline with shapefiles

[S Br]

Hi Rick,
The below are the details.

uname -a
Computer#1
Linux sbclim 4.15.0-128-generic #131-Ubuntu SMP Wed Dec 9 06:57:35 UTC 2020
x86_64 x86_64 x86_64 GNU/Linux
Computer#2
Linux sbclim 3.10.0-1127.19.1.el7.x86_64 #1 SMP Tue Aug 25 17:23:54 UTC
2020 x86_64 x86_64 x86_64 GNU/Linux

ls -l file_gor_2011.shp
Computer#1
-rw-r--r-- 1 climdir env 413276 Dec  8 16:11 file_gor_2011.shp
Computer#2
-rw-r--r-- 1 climdir users 413276 Jan  5 10:54 file_gor_2011.shp

Please find attached here the shape files.

Thanks
SB



On Tue, Jan 5, 2021 at 2:37 PM Rick Brownrigg <brownrig at ucar.edu> wrote:

> Hi,
>
> That result is very strange indeed. What are computers 1 and 2, i.e., what
> is the output of:
>
>    uname -a
>
> And just to be certain, what is the output of this on each computer:
>
>   cd ...to-directory-where-file_gor_2011.shp-resides....
>   ls -l file_gor_2011.shp
>
> Finally, can you send me file_gor_2011.shp (recall that means the .sph,
> .shx, .dbf files)?
>
> Rick
>
> On Tue, Jan 5, 2021 at 5:53 AM S Br via ncl-talk <
> ncl-talk at mailman.ucar.edu> wrote:
>
>> Hi Dave,
>> Thanks for your reply.
>> I have now compared the diagnostic results between the two computers and
>> the below are the results.
>> *Computer#1:*
>> (0) ======================================================================
>> (0) Filename: "file_gor_2011.shp"
>> (0)   Geometry type: polygon
>> (0)   # of features: 1
>> (0)   Min/max lat:     51.29/  51.69
>> (0)   Min/max lon:     -0.51/   0.33
>> (0)   Variable names and their types:
>> (0)       geometry : integer
>> (0)       segments : integer
>> (0)       x : double
>> (0)       y : double
>> (0)       label : string
>> (0)       name : string
>> (0)       code : string
>> (0) ======================================================================
>> *Computer#2:*
>> (0) ======================================================================
>> (0) Filename: "file_gor_2011.shp"
>> (0)   Geometry type: polygon
>> (0)   # of features: 1
>> (0)   Min/max lat:     -0.51/   0.33
>> (0)   Min/max lon:     51.29/  51.69
>> (0)   Variable names and their types:
>> (0)       geometry : integer
>> (0)       segments : integer
>> (0)       x : double
>> (0)       y : double
>> (0)       label : string
>> (0)       name : string
>> (0)       code : string
>> (0) ======================================================================
>>
>> I could see in one computer (computer#2 above) that the latitude values
>> are replacing the longitude values and vice versa, and that may be the
>> reason the country outlines are not displaying here.
>>
>> Could you please suggest how to solve this issue? I am using the same
>> data, scripts and only difference is the computer.
>>
>> Thank you.
>> SB
>>
>>
>> On Wed, Dec 9, 2020 at 5:30 PM Dave Allured - NOAA Affiliate <
>> dave.allured at noaa.gov> wrote:
>>
>>> It would be better to apply debugging techniques to narrow down the
>>> problem, rather than to speculate as to the cause.  Use *addfile* to
>>> see if NCL can read the shapefile.  Use diagnostic print statements to
>>> examine the shapefile structure in memory.  Use *gsn_add_polygon* to
>>> see if NCL can draw a simple outline.
>>>
>>> To understand the structure, refer to the shapefile documentation at the
>>> top of the NCL shapefiles example page.  That mentions a special procedure
>>> *print_shapefile_info* which will print additional useful details.
>>> Compare diagnostic results between your two computers.  Good luck.
>>>
>>>
>>> On Wed, Dec 9, 2020 at 1:16 AM S Br via ncl-talk <
>>> ncl-talk at mailman.ucar.edu> wrote:
>>>
>>>> Hi All,
>>>> I am trying to plot a figure using the shapefile. Everything is working
>>>> fine with the NCL script but it doesn't draw the country outline given as a
>>>> shapefiles. However, the same script works fine in another computer and
>>>> draws the required country outline using the shapefile.
>>>> What could be the possible reason that the NCL script works fine but
>>>> fails to draw the country outline using shapefiles without showing any
>>>> error?
>>>>
>>>> Both the computers are installed with the NCL 6.6.2.
>>>>
>>>> Thank you.
>>>> SB
>>>>
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