[postgis-users] Accessing PostGIS from ArcView

Tyler Mitchell themitchells at telus.net
Mon Jun 10 18:21:34 PDT 2002


Armin, this is a great application and will bring postgis closer to 
realization as a friendly and capable spatial db.  Thank you so much for 
sharing it with us!  Now get working on arc8... :)

On Sunday 09 June 2002 12:56 pm, you wrote:
> Hi all,
>
> I have been working on an extension for ArcView 3 to access PostGIS data.
> At the moment the extension offers the functionality to
>
> * Retrieve PostGIS data as shapefile and load them into ArcView,
>   including data refresh
> * Re-project PostGIS data and create shapefile
> * Identify and editing of attribute information directly on the database
>
> If you are interested, you can download the extension including source code
> and needed libraries at
>
> http://digilander.iol.it/arminburger/download/avpgcon.zip
>
> The database access is without ODBC, using the libpq.dll functionality.
>
> Future plans are to implement a visualization of PG data as graphics in
> ArcView (instead of temporary shapefiles). The only part missing for that
> is a fast and reliable algorithm to convert PostGIS geometry for different
> types into ArcView Avenue representation. If anyone has already finished
> such work successfully and would like to contribute, I would be glad to
> include it.
>
> The extension uses the pgsql2shp.exe to create the shapefiles. That will
> always open a command window what is not very elegant. To avoid this, the
> compilation of a library instead of the executable would be necessary. Can
> anybody tell me how much effort it would be to change the C code in order
> to compile as library?
>
> Any feedback is very welcome.
>
> Armin




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