[postgis-devel] BOX3D strange behaviour

[Even Rouault]

Le jeudi 18 février 2016 10:49:52, Sandro Santilli a écrit :
> On Thu, Feb 18, 2016 at 10:03:54AM +0100, Rémi Cura wrote:
> > Is there any way to perform &&& in all 3 dimensions?
> 
> Our boxes are all broken.
> There should be somewhere a wiki page or ticker or something about
> options to improve the situation. IIRC it boiled down to:
> 
>  1) Have a BOX geometry type (like LINESTRING/POINT/POLYGON)
>  2) Expose a GBOX postgresql type (like BOX2D, BOX3D)
> 
> Recently, I've started using 2-vertices linestrings to simulate
> the equivalent of a "BOX geometry type". It is the value returned
> by http://postgis.net/docs/ST_BoundingDiagonal.html
> 
> You can easily create such object via ST_MakeLine:
> http://postgis.net/docs/ST_MakeLine.html
> 
> It will support SRID and all supported dimensions.
> 
> Changing the BOX3D->Geometry cast ? I'm all for it, and I'd have
> it return a "bounding diagonal" too...

Naively, I would rather have expected a BOX3D to be converted as a 
PolyhedralSurface, but there might be implications in doing so.

> 
> --strk;
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