[GRASS5] dissolve polygons

Hello everyone,

Can anyone explain me how I can dissolve polygons, based on attributes, when
the boundaries are not adjacent.

Regards,

Ricardo

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first you have to use r.reclass based on one column attribute to apply
attribute values to category values...
than you can use v.extract -d
later you have to reconnect database table to vector
hope this help....
ivan

Il giorno ven, 17-06-2005 alle 09:54 +0100, Ricardo Armas ha scritto:

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Hello everyone,

Can anyone explain me how I can dissolve polygons, based on
attributes, when the boundaries are not adjacent.

Regards,

Ricardo

DISCLAIMER: This message may contain confidential information or
privileged material and is intended only for the individual(s) named.
If you are not a named addressee and mistakenly received this message
you should not copy or otherwise dissemenate it: please delete this
e-mail from your system and notify the sender immediately. E-mail
transmissions are not guaranteed to be secure or error-free as
information could be intercepted, corrupted, lost, destroyed, arrive
late or incomplete, or contain viruses. Therefore, the sender does not
accept liability for any errors or omissions in the contents of this
message that arise as a result of e-mail transmissions. Please request
a hard-copy version if verification is required. Critical Software.

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Ivan Marchesini
Department of Civil and Environmental Engineering
University of Perugia
Via G. Duranti 93/a
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e-mail: marchesini@unipg.it
        ivan.marchesini@gmail.com
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