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List: postgis-users
Subject: Re: [postgis-users] Intersection ion 0.7.4 ???
From: Alexander Pucher <pucher () atlas ! gis ! univie ! ac ! at>
Date: 2003-03-20 22:19:00
Message-ID: 3E7A3E54.70909 () atlas ! gis ! univie ! ac ! at
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Paul,
can you give me a careful estimation on when these functions will be
available in the CVS.
alex
Paul Ramsey wrote:
> Right, patience!
> I added the OGC test files in anticipation of having all the
> functions. We are getting closer to having those functions in GEOS,
> and having GEOS integrated into PostGIS, but we are not there yet. Soon!
> Paul
>
> On Thursday, March 20, 2003, at 05:00 AM, Alexander Pucher wrote:
>
>> Hi,
>>
>> I just had a look at the OGC example in the 0.7.4 source tree. In
>> file '2-queries.sql', various tests for new GIS functions are
>> mentioned, among them INTERSECTION.
>> I set up a new database, filled it with data and tried the following:
>>
>> SELECT Intersection(nuec_l0.the_geom, road.the_geom) FROM nuec_l0,road;
>>
>>
>> but got the following error:
>>
>> Error - /usr/local/httpd/htdocs/php/phpPgAdmin/sql.php -- Line: 112
>> PostgreSQL said: ERROR: Function 'intersection(geometry, geometry)'
>> does not
>> exist Unable to identify a function that satisfies the given argument
>> types
>> You may need to add explicit typecasts
>> Your query:
>> SELECT Intersection(nuec_l0.the_geom, road.the_geom)
>> FROM nuec_l0,road
>>
>>
>>
>> So my question is:
>> Is this my fault (i.e. wrong query syntax) or is this function (as
>> well as the others mentioned in the test file) not yet included in
>> PostGIS?
>>
>> Best regards,
>> alex
>>
>> --
>> ________________________________________________________
>>
>> Institut fuer Geographie und Regionalforschung
>> Universitaet Wien
>> Kartografie und Geoinformation
>>
>> Departement of Geography and Regional Research
>> University of Vienna
>> Cartography and GIS
>>
>> Universitaetstr. 7, A-1010 Wien, AUSTRIA
>>
>> Tel: (+43 1) 4277 48644
>> Fax: (+43 1) 4277 48649
>> E-mail: alexander.pucher@univie.ac.at
>>
>> FTP: ftp://ftp.gis.univie.ac.at
>> WWW: http://www.gis.univie.ac.at/karto
>> --------------------------------------------------------
>> Virtual Map Forum: http://www.gis.univie.ac.at/vmf
>> --------------------------------------------------------
>> It's not that I'm afraid to die, I just don't want to be there when
>> it happens -- Woody Allen
>>
>>
>>
>> _______________________________________________
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>
>
>
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>
--
________________________________________________________
Institut fuer Geographie und Regionalforschung
Universitaet Wien
Kartografie und Geoinformation
Departement of Geography and Regional Research
University of Vienna
Cartography and GIS
Universitaetstr. 7, A-1010 Wien, AUSTRIA
Tel: (+43 1) 4277 48644
Fax: (+43 1) 4277 48649
E-mail: alexander.pucher@univie.ac.at
FTP: ftp://ftp.gis.univie.ac.at
WWW: http://www.gis.univie.ac.at/karto
--------------------------------------------------------
Virtual Map Forum: http://www.gis.univie.ac.at/vmf
--------------------------------------------------------
It's not that I'm afraid to die,
I just don't want to be there when it happens -- Woody Allen
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