[postgis-users] Re: postgis-users Digest, Vol 73, Issue 22

[John Zhang]

Thank you, Imran. How can obtain the extension? Right now, I do not need to
manipulate the images. I only need to store the images in PostGIS. So I was
wondering how to get the module and load the images into PostGIS.

Thanks

Date: Sat, 22 Nov 2008 03:44:47 -0800 (PST)
> From: muhammad imran <imranserver at yahoo.com>
> Subject: Re: [postgis-users] PGRaster
> To: PostGIS Users Discussion <postgis-users at postgis.refractions.net>
> Message-ID: <487478.35686.qm at web53504.mail.re2.yahoo.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Hi John,
>
> In the similar lines as oracle GeoRaster, Xing Lin developed a
> raster model for PostGIS named PGRaster. Metadata is
> stored as fields of PGRASTER METADATA type with spatial extent
> (BBOX) and SRID. Raster value type refers to scale of measurement
> that can be nominal, ordinal, interval or ratio. The model
> coordinates have same unit as that of specified SRID. Actual image
> data is stored in PGRASTER object type with blocks. Geotiff2pgraster
> loader creates blocks, GIST index, and pyramid levels while
> importing the image into database. Some basic SQL functions to
> handle parameters of data model are provided; however, many
> functions for image manipulation are under development. The source
> code is distributed under the terms of GNU General Public Licence by
> Refractions Research Inc; however, there is a debate over Xing Lin's
> PGRaster source code and design regarding patent violation by
> Oracle.
>
> http://lists.refractions.net/pipermail/postgis-devel/attachments/20070711/b6dfd192/PGRASTER\_20070710-0001.pdf<http://lists.refractions.net/pipermail/postgis-devel/attachments/20070711/b6dfd192/PGRASTER%5C_20070710-0001.pdf>
>
> Regards,
>
> --Imran
>
>
>
> ________________________________
> From: John Zhang <johnzhang06 at gmail.com>
> To: postgis-users at postgis.refractions.net
> Sent: Saturday, November 22, 2008 3:22:31 AM
> Subject: [postgis-users] PGRaster
>
> Hi there,
>
> Could anyone tell me about that? Is it implemented in postGIS 1.3? Having
> read some articles about GeoRatser from Oracle, I was wondering if PostGIS's
> PGRaster is there for us to use. Any input on it would be much appreciated.
>
> Have a good weekend
> John
>
>
>
>
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