[postgis-users] GeomUnion problem

[SangJun]

Brent Wood-2 wrote:
> 
> 
> --- Rob Agar <robagar at westnet.com.au> wrote:
> 
>> hi Brent
>> 
>> Would just wrapping the call to GeomUnion with a call to Multi do the
>> trick?
>> 
>>  From the docs:
>> Multi(geometry) - Returns the geometry as a MULTI* geometry. If the 
>> geometry is already a MULTI*, it is returned unchanged.
> 
> Thanks Paul & Rob,
> 
> That seems absolutely perfect!!! 
> 
> (I'm running it right now with separate poly & multi columns, so I'll just
> update the multi column with the multi(poly) when it finishes....
> 
> 
> Much appreciated guys!!!
> 
> 
> Cheers,
> 
>   Brent
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> 
> 


Hi,

I have the same error (NOTICE:  TopologyException: no outgoing dirEdge found
(3.07069,50.2997,50.2997)
SELECT failed: ERROR:  GEOS union() threw an error!) with one of my requests
(select GeomUnion(GeomFromText('POLYGON((3.064484 50.307842, 3.076605
50.291935, 3.076635 50.291958, 3.064514 50.307865, 3.064484
50.307842))')),('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')).
Each part is valid. I don't understand how I can solve this problem (and I'm
French).
:-|
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