[OSGeo-Standards] CSV spatial data on the web

[Jeremy Palmer]

Hi Stefan,

Yes I’m aware of the GeoCSV specific and the implementation within OGR. We actually support CSV+VRT from the NZ land data service: https://data.linz.govt.nz/. When we did the implementation about 4 years ago I don’t think your specification was around. I do like the simple approach of the CSVT. 

However looking at the GeoCSV specification it would be a step backwards for our users due to the field delimiter being semicolon. We also advertise the geometry datatype (useful for software quickly reading the data field metadata), field lengths/widths in the VRT, and have datasets with legitimate carriage returns within fields. What are the reasons for these design decisions or restrictions?

Cheers,
Jeremy

> On 17/02/2016, at 7:57 AM, Stefan Keller <sfkeller at gmail.com> wrote:
> 
> Hi Jeremy
> 
> Thanks for the info.
> I assume you are aware of GeoCSV and related software like the
> well-known OGR (and the #TheShapefileChallenge ):
> http://giswiki.hsr.ch/GeoCSV
> 
> :Stefan
> 
> 
> 2016-02-16 19:40 GMT+01:00 Jeremy Palmer <JPalmer at linz.govt.nz>:
>> For forks that are interested W3C has setup a CSV on the Web Working Group https://www.w3.org/2013/csvw/wiki/Main_Page to provide recommendations for better interoperability when working with CSV datasets.
>> 
>> I raised an issue a few months ago on the working documents, with my main issue being that spatial datatypes are not really accounted for:
>> 
>> https://github.com/w3c/csvw/issues/795
>> 
>> I believe this is an important thing to solve as publishing large open datasets is something that is not well addressed and keeps getting reinvented by multiple groups or vendors.
>> 
>> They have now responded to my issue with this response:
>> 
>> https://github.com/w3c/csvw/pull/822
>> 
>> But I think this response needs a wider community view.
>> 
>> Cheers,
>> Jeremy
>> 
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