[postgis-users] Postgis 2.0: geodetic coordinates support

[Julio Galindo]

Dear Nicolas,

Is it possible to have access to the entire document of this survey?

Regards,

Julio

On 5/2/07, Nicolas Ribot <nicky666 at gmail.com> wrote:
>
> Hi,
>
> During a survey comparing Oracle Spatial, PostGIS and MySQL Spatial,
> for the French Space Agency (CNES), it appears that a important
> difference between Oracle Spatial and PostGIS is the geodetic
> coordinate support.
>
> The CNES is very interested in adding this support into PostGIS, by
> funding a project for that.
>
> What would be, according to you, the efforts needed to integrate such
> a support into postgis, and not only some functions working on
> spheroids ?
>
> Would it require to define geodetic index, would it be possible to
> switch to polar coordinate system when dealing with geocentric SRS,
> like Oracle does ?
>
> Any clue would help us to define the steps necessary to integrate this
> support, and the the time/effor it will take.
>
> Thanks
>
> Nicolas
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