Cool. Be great for someone to try it out. I just pushed the code up.
On Thu, Jul 11, 2013 at 1:26 AM, Ian Turton <ijtur...@gmail.com> wrote:
> Excellent plan +1 from me, if you'd like some help give me a shout (it
> ties in with work I'm peripherally involved with at work).
>
> Ian
>
>
> On 10 July 2013 18:19, Justin Deoliveira <jdeol...@opengeo.org> wrote:
>
>> Hi all,
>>
>> Some folks may have heard of the geopackage spec that is currently being
>> developed by the OGC. For those that haven't the short of it is that it is
>> a SQLite based format capable of housing vector and raster datasets, as
>> well as pre rendered tile sets (inspired by mbtiles).
>>
>> We've been working on an implementation for geotools and would like to
>> push it in as an supported module. The code is currently on a branch in my
>> github repo.
>>
>> https://github.com/jdeolive/geotools/compare/geopkg
>>
>> Some additional technical information about the implementation.
>>
>> It uses the same xerial sqlite driver we use for the spatialite
>> datastore, although geopackage has no requirement for spatialite so we just
>> use the base driver without any of the spatialite dependencies.
>>
>> For the vector support the module contains a datastore (jdbc based).
>>
>> The raster support is currently somewhat lame. In general i am not sure
>> how useful the raster bits of the geopackage spec will be. It is actually
>> an optional part of the spec but we implemented a rough initial version of
>> it. Basically the format gives back a coverage reader for blobs stored in
>> the database. It currently supports world images and geotiffs.
>>
>> The tile stuff is pretty straight forward and given a tile index the
>> format will give back an image blob stored in the database, or given a
>> range will give back an iterator.
>>
>> For those interested here is the latest version of the spec.
>>
>>
>> https://dl.dropboxusercontent.com/u/1663985/12-128r7_OpenGIS_GeoPackage_Implementation_Specification_accept_changes.pdf
>>
>> -Justin
>>
>> --
>> Justin Deoliveira
>> OpenGeo - http://opengeo.org
>> Enterprise support for open source geospatial.
>>
>>
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>>
>
>
> --
> Ian Turton
>
--
Justin Deoliveira
OpenGeo - http://opengeo.org
Enterprise support for open source geospatial.
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