[postgis-users] ArcGIS Mobile slightly off-topic question

Obe, Regina robe.dnd at cityofboston.gov
Fri Sep 19 13:46:42 PDT 2008


David,

Yes.  Right now I'm using OGR to read data and that works fine, so its
writing back an updated set that's the problem.

Actually I'm not sure if the mobile replication thing is going to cause
me problems in addition to the regular issues with geodatabase. 

The main issue is that some fields are updated in the field as well as
in the office.  For the most part they aren't the same fields so I don't
have to worry about collision, but the field needs to see some data that
is updated in the office.

(just realized I'm using field to mean 2 different things.  sorry about
that - I feel like I'm in that maflar south park episode where there is
only one word in the alien vocabulary :)).

Thanks,
Regina

-----Original Message-----
From: postgis-users-bounces at postgis.refractions.net
[mailto:postgis-users-bounces at postgis.refractions.net] On Behalf Of
David Fawcett
Sent: Friday, September 19, 2008 4:37 PM
To: PostGIS Users Discussion
Subject: Re: [postgis-users] ArcGIS Mobile slightly off-topic question

For reading the personal geodatabase, don't forget that on Windows,
OGR can read the data without using ODBC.
http://www.gdal.org/ogr/drv_pgeo.html

As long as you have an ArcInfo license, the ESRI python to read and
write to the geodatabase is really pretty straight forward.  (it
doesn't run as fast as the OS stuff, but the documentation is better
and the user community is much larger)

What exactly was your data flow again?

attributes and geometries from pgeodb to postgis and then attributes
and geoms back to the geodatabase?

David.

On Fri, Sep 19, 2008 at 11:37 AM, Martin Davis <mbdavis at refractions.net>
wrote:
> That's correct - in a Personal GDB, the BLOB field holding the
geometry has
> the same format as individual geometries in the Shapefile format.
>
> Reading a PGDB is thus relatively easy.  Writing them is probably a
whole
> lot harder, because there's a bunch of metadata/spatial index stuff
that
> would need to be written as well IIRC.
>
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