I would not write a DataStore for doing that. Having the metadata
stored inside the db des not means that you need a DataStore for
getting a GridCoverage2D in this case and even if you really want to
create such a dastore I would do the converse
that is using the DataStore internally to your GridCoverage2D.

I guess you are trying to come up with a GridCoverageReader for the
SEAGIS project.If so, I think the second approach is much better. When
you create the reader you connect to the db. When you do a read you
use the needed metadata and create the GridCoverage2D as you need. The
ImageMosaic does something like that (well I admint, much less than
what you need to do :-) ) because it stores the index in an internal
shapefile.


Hope that helps.
Simone.

On 11/15/06, Cédric Briançon <[EMAIL PROTECTED]> wrote:
> Hello Geotools-devel list,
>
> I'm coding a specific datastore for a GridCoverage database made by
> Martin. This database is particular, because it stores GridCoverages
> metadata in it, and gives a pointer to images stored in a file system,
> or remote server.
> The images are stored in different directories, and each directory is a
> kind of data (Series). The path to these directories are stored in the
> database.
>
> Firstly, I worked on a CoverageReader for these images. It gives, by the
> read() method, a GridCoverage for the date and series specified.
> Consequently, a datastore could now use the GridCoverage to form a
> Feature with it.
> My questions are :
> - Can I use a GridCoverage as a Feature for the DataStore and how to use
> it ?
> - What is the FeatureType associated for this ?
>
> Cheers,
> Cédric B.
>
>
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-- 
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Eng. Simone Giannecchini
President /CEO GeoSolutions

http://www.geo-solutions.it

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