[GRASS-user] v.clean and database cleaning
Maciej Sieczka
tutey at o2.pl
Fri Jun 20 04:08:29 EDT 2008
Miha Staut pisze:
> Recently I ran v.clean tool=rmarea on a v.overlay result and
> surprised discovered that despite the command did get rid of small
> areas the corresponding database table was not updated accordingly.
> E.g. from 136 areas resulting from v.overlay after v.clean only 120
> remained. The new table, however still had 136 rows.
>
> Since the purpose is to use the cleaned table in further, non-spatial
> analysis I am asking if there is a way to clean the table of all
> redundant rows not corresponding to any area.
v.extract will pick only vector features which have a (specified)
category and their corresponding table entries.
Maciek
--
Maciej Sieczka
www.sieczka.org
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