[postgis-devel] [PostGIS] #2122: [raster] Real extent feature lost after metadata as views

[Mateusz Loskot]

On 30 November 2012 15:28, Sandro Santilli <strk at keybit.net> wrote:
> On Fri, Nov 30, 2012 at 07:07:13AM -0800, Bborie Park wrote:
>
>> For example, let us say you have a 100 x 100 raster and you want to
>> tile it by 21 x 21...
>>
>> raster2pgsql -t 21x21 my100x100raster.tif
>>
>> The loader will create 25 tiles with 9 tiles having padding.
>
>  OOOOD    O = full
>  OOOOD    D = pad right
>  OOOOD    U = pad bottom
>  OOOOD    G = pad right and bottom
>  UUUUG
>
> Still sounds like an higher level structure to me, not something
> to encode in each value. It's like topology-to-geometry.

That's why there was real spatial extent preserved,
at the very high level of metadata.

Best regards,
--
Mateusz Loskot, http://mateusz.loskot.net