[OSGeo-Discuss] Live DVD and OGC standards

[Adrian Custer]

Hey,

On 7/6/13 2:03 AM, Ravi Kumar wrote:
> Please give info/link regarding
>
>
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> 1. The software that are bundled in the OSGeo Live DVD do they all have OGC complaince.
>
> This is a query we come across and wish to prepare for the same.  LiveDVD bundles many FOSS GIS software which are not actually OSGeo mentored projects.
> 2. Is a Shape file OGC compliant (some times also known as ESRI Shape file)

No, the OGC has not standardized the 'Shapefile' format. ESRI has a 
pretty good document of the spatial part, the database part has many 
different standardization documents all alike, the spatial referencing 
files have a pretty good convention, and the mix of other files like the 
spatial indexes have little consistency and no documentation.

In other words, this is a *perfect* candidate for standardization at the 
OGC. I now have a pretty good idea how that standardization could be 
done. However, that work would benefit from ESRI support yet, due to 
recent events at the OGC, now is not a great time to embark on this 
project. If it does happen, there will be some decisions to be made and 
it would be good to get input on those from the various free software 
projects that have implemented the file format.

>      Is there a list of File Formats and OGC compliance ?

If your question is 'what file formats have been standardized at the 
OGC?' then I don't know of any list. Probably, you are meaning spatial 
data formats such as GML (vector) and netCDF (grid). Then there are 
formats for data observations/measurements. There are also a number of 
non-spatial data formats like GeoXACML defining access control 
constraints. So, it depends what kind of data you care about.

The list of standards is on the OGC website:
   http://www.opengeospatial.org/standards/is
and you can go through it in relation to your own needs.

~adrian


>
> Ravi
>
>
>
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