Perhaps I am missing something, why would having a z value be useful if you
are not describing it in the CRS Niels?
Jody Garnett
On Thu, Mar 20, 2014 at 9:17 AM, Niels Charlier <[email protected]> wrote:
> Hello everyone,
>
> I propose the following change:
>
> https://github.com/geotools/geotools/pull/402
>
> It allows the z-dimension to be encoded in GML2 whenever it is present
> in the data (it does now only if the CRS is explicitly 3D). This is
> already how it works for most of the other output formats such as GML31
> and 32.
>
> I have also tested impact on performance, which is not very big:
>
> a postgis table of 1 million polygons, each having 1500 coordinates:
>
> before patch, without z encoding
> ---------------------------------------------
> real 21m59.280s
> user 0m22.649s
> sys 15m50.355s
>
> after patch, with z
> -------------------------
> real 24m42.808s
> user 0m36.914s
> sys 20m10.624
>
> Kind Regards
> Niels
>
>
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