[udig-users] Re: udig-users Digest, Vol 16, Issue 9

[Promit Mukherjee <mukherjee.promit@xxxxxxxxx>]

2009/3/17  <udig-users-request@xxxxxxxxxxxxxxxxxxxxx>:
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>   1. Re: Fwd: Dissolve property? (Mauricio Pazos)
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> ----------------------------------------------------------------------
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> Message: 1
> Date: Mon, 16 Mar 2009 09:45:32 +0100
> From: Mauricio Pazos <mauricio.pazos@xxxxxxxx>
> Subject: Re: [udig-users] Fwd: Dissolve property?
> To: udig-users@xxxxxxxxxxxxxxxxxxxxx
> Message-ID: <200903160945.33293.mauricio.pazos@xxxxxxxx>
> Content-Type: text/plain;  charset="iso-8859-15"
>
> On Saturday 14 March 2009 18:13:03 erik wrote:
>> Dear all, I'm somewhat perplex with the DIssolve function in udig.
> Dear Erik, I assume that you are using the dissolve spatial operation
> implemented in es.axios.udig.extensions.
>
>> What is
>> supposed to come in the Property field and what value should it take? Do I
>> have to create a new attribute and set the value for records to TRUE and
>> specify this as the property?
>
> You are right. The dissolve operation works like a SQL GROUP BY, so it need a
> property to direct the process. Thus, if you want to dissolve all features in
> a layer and you haven't any property with the same value (for all features),
> so your solution is right. That is create a new field with the same value like
> true, null, '', or any think you want.
>>
>> I'd like to dissolve all features in a multipolygon layer without any
>> condition on attributes and I can figure how to do this directly in udig.
>> Many thanks,
>> Erik
> cheers
>
> --
> Mauricio Pazos
> www.axios.es
>
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> End of udig-users Digest, Vol 16, Issue 9
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-- 
Promit Mukherjee
Rolta India Ltd
promit.mukherjee@xxxxxxxxx