dhis2-users team mailing list archive

[Dayo Adeyomoye <deemoyes@xxxxxxxxx>]

Oh thanks  Bram and Jason.

I actually used the original DBF from the unmodified Shaprefile and even without trying to use any projection but doing a direct conversion into GML, it still have the same issues.

What if I just use the original shapefile, dbf and shx instead of trying to work it down at mapshaper.org.

Does this have a an effect on the database and GIS?

Thanks a lot
 
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On Tuesday, April 1, 2014 4:05 PM, Jason Pickering <jason.p.pickering@xxxxxxxxx> wrote:
 
To add to Brams mail, I have had issues with MapShaper and the DBF's it produces. Normally, I just trash these, and use the original DBF from the unmodified shapefile. 

I am still not convinced it is a problem with the DBF though, as clearly the projection which you provided in the first conversion was not correct. 

Regards,
Jason




On Tue, Apr 1, 2014 at 5:00 PM, Bram Piot <bram.piot@xxxxxxxxx> wrote:

Hi Adedayo,
>
>
>If you need to modify attributes in the dbf file, you should only do this in a GIS software such as www.qgis.org - never modify the dbf on its own (eg in Excel) as this will result in a corrupt shapefile. It's also much easier to define the projection or to convert to a different projection in QGIS, and once you have your shapefile ready you can simply save it as a gml file.
>
>
>bram
>
>
>
>
>On 1 April 2014 17:47, Dayo Adeyomoye <deemoyes@xxxxxxxxx> wrote:
>
>Thanks a lot Jason. I also tried converting without first trying to convert to 4326 knowing that it may already be in that projection. I noticed later on that This conversion worked if i didn't use the original dbf file that I downloaded with it. I mean it converted when I used the dbf file generated after working on it at mapshaper.org.
>>
>>
>>As soon as I changed the dbf file to the one downloaded from the shapefile site, it produced the error.
>>
>>
>>The dbf file might be bad though. I have downloaded another from a new site and hopefully it will work.
>>
>>
>>Regards,
>>
>>
>>Adedayo
>> 
>>BlackBerry: 3114F90C
>>Phone: 08028851441, 08035560463
>>emails: deemoyes@xxxxxxxxx, addyraph@xxxxxxxxx
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>>On Tuesday, April 1, 2014 3:19 PM, Jason Pickering <jason.p.pickering@xxxxxxxxx> wrote:
>> 
>>Well, it seems pretty clear from the logs. 
>>
>>
>>Failed to process SRS definition: EPSG:14684
>>
>>
>>
>>Try looking here http://www.epsg-registry.org/
>>
>>
>>and this is not a valid projection.
>>
>>
>>However, looking from the bounding box, it looks like it may be 4326 to begin with. 
>>
>>
>>Why do you think you need to use  EPSG:14684  as the source projection?
>>
>>
>>Regards,
>>Jason
>>
>>
>>
>>
>>
>>On Tue, Apr 1, 2014 at 12:47 PM, Dayo Adeyomoye <deemoyes@xxxxxxxxx> wrote:
>>
>>Dear All,
>>>
>>>
>>>I have been trying to convert my shapefile for Nigeria Admin0 and Admin1 levels into GML but its not working. I was able to convert the Admin2 at but I am wondering, what could be the problem here.
>>>
>>>
>>>I also tried converting without copying the dbf file from the Admin file downloaded and it converted without errors but as soon as I tried to use it with the dbf file that i copied from the download admin file for Nigeria, I am unable to convert it.
>>>
>>>
>>>Below is the response while trying to do that.
>>>
>>>
>>>
>>>Regards,
>>>
>>>
>>>Adedayo
>>>
>>>
>>>C:\Users\aadeyomoye\Desktop\Mine\DHIS2 Academy\NGA Admin1 Optimized Shapefile>og
>>>r2ogr -s_srs EPSG:14684 -t_srs EPSG:4326 -f GML NGA_adm1.gml NGA_adm1.shp
>>>ERROR 6: EPSG PCS/GCS code 14684 not found in EPSG support files.  Is this a val
>>>id
>>>EPSG coordinate system?
>>>Failed to process SRS definition: EPSG:14684
>>>
>>>
>>>C:\Users\aadeyomoye\Desktop\Mine\DHIS2 Academy\NGA Admin1 Optimized Shapefile>og
>>>rinfo -al -so NGA_adm1.shp
>>>INFO: Open of `NGA_adm1.shp'
>>>      using driver `ESRI Shapefile' successful.
>>>
>>>
>>>Layer name: NGA_adm1
>>>Geometry: Polygon
>>>Feature Count: 38
>>>Extent: (2.668431, 4.270418) - (14.680070, 13.892010)
>>>Layer SRS WKT:
>>>(unknown)
>>>ID_0: Integer (9.0)
>>>ISO: String (3.0)
>>>NAME_0: String (75.0)
>>>ID_1: Integer (9.0)
>>>NAME_1: String (75.0)
>>>VARNAME_1: String (150.0)
>>>NL_NAME_1: String (50.0)
>>>HASC_1: String (15.0)
>>>CC_1: String (15.0)
>>>TYPE_1: String (50.0)
>>>ENGTYPE_1: String (50.0)
>>>VALIDFR_1: String (25.0)
>>>VALIDTO_1: String (25.0)
>>>REMARKS_1: String (125.0)
>>>Shape_Leng: Real (19.11)
>>>Shape_Area: Real (19.11)
>>>
>>>
>>>C:\Users\aadeyomoye\Desktop\Mine\DHIS2 Academy\NGA Admin1 Optimized Shapefile>og
>>>r2ogr -f GML NGA_adm1.gml NGA_adm1.shp
>>>ERROR 1: Error in fread() reading object of size 101852 from .shp file
>>>ERROR 1: Error in fread() reading object of size 4872 from .shp file
>>>ERROR 1: Error in fread() reading object of size 7032 from .shp file
>>>ERROR 1: Error in fread() reading object of size 917484 from .shp file
>>>ERROR 1: Error in fread() reading object of size 7592 from .shp file
>>>ERROR 1: Error in fread() reading object of size 21800 from .shp file
>>>ERROR 1: Error in fread() reading object of size 41080 from .shp file
>>>ERROR 1: Error in fread() reading object of size 719100 from .shp file
>>>ERROR 1: Error in fread() reading object of size 5048 from .shp file
>>>ERROR 1: Error in fread() reading object of size 10424 from .shp file
>>>ERROR 1: Error in fread() reading object of size 4152 from .shp file
>>>ERROR 1: Error in fread() reading object of size 5352 from .shp file
>>>ERROR 1: Error in fread() reading object of size 4520 from .shp file
>>>ERROR 1: Error in fread() reading object of size 2728 from .shp file
>>>ERROR 1: Error in fread() reading object of size 2968 from .shp file
>>>ERROR 1: Error in fread() reading object of size 9160 from .shp file
>>>ERROR 1: Error in fread() reading object of size 11704 from .shp file
>>>ERROR 1: Error in fread() reading object of size 7112 from .shp file
>>>ERROR 1: Error in fread() reading object of size 13656 from .shp file
>>>ERROR 1: Error in fread() reading object of size 11976 from .shp file
>>>ERROR 1: Error in fread() reading object of size 12568 from .shp file
>>>ERROR 1: Error in fread() reading object of size 19960 from .shp file
>>>ERROR 1: Error in fread() reading object of size 44344 from .shp file
>>>ERROR 1: Error in fread() reading object of size 11288 from .shp file
>>>ERROR 1: Error in fread() reading object of size 18648 from .shp file
>>>ERROR 1: Error in fread() reading object of size 21624 from .shp file
>>>ERROR 1: Error in fread() reading object of size 62728 from .shp file
>>>ERROR 1: Error in fread() reading object of size 5256 from .shp file
>>>ERROR 1: Error in fread() reading object of size 11880 from .shp file
>>>ERROR 1: Error in fread() reading object of size 5864 from .shp file
>>>ERROR 1: Error in fread() reading object of size 965796 from .shp file
>>>ERROR 1: Error in fread() reading object of size 9544 from .shp file
>>>ERROR 1: Error in fread() reading object of size 19160 from .shp file
>>>ERROR 1: Error in fread() reading object of size 7384 from .shp file
>>>ERROR 1: Error in fread() reading object of size 8968 from .shp file
>>>ERROR 1: Error in fread() reading object of size 7592 from .shp file
>>>
>>>
>>>C:\Users\aadeyomoye\Desktop\Mine\DHIS2 Academy\NGA Admin1 Optimized Shapefile>og
>>>r2ogr -t_srs EPSG:4326 -f GML NGA_adm1.gml NGA_adm1.shp
>>>Can't transform coordinates, source layer has no
>>>coordinate system.  Use -s_srs to set one.
>>> 
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>>
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