Re: GRASS-way to delete points from a map and attribute table

Indeed, finally I also used a combination of v.edit to remove the point
from the map and db.execute ("DELETE FROM my_point_map WHERE cat IN
(1,2,3)") to delete the entries from the attribute table.

/Johannes

On Thu, Nov 9, 2017 at 10:27 AM, Stefan Blumentrath <
[email protected]> wrote:

> So, removing records from the attribute table would be a job for
> db.execute of db.select I guess…
>
>
>
> *From:* Johannes Radinger [mailto:[email protected]]
> *Sent:* torsdag 9. november 2017 10.17
> *To:* Stefan Blumentrath <[email protected]>
> *Cc:* GRASS user list <[email protected]>
> *Subject:* Re: [GRASS-user] GRASS-way to delete points from a map and
> attribute table
>
>
>
> Dear Stefan,
>
> thanks for the tip, but as said I tried already v.edit but somehow this
> tools does not modify the attribute table (or do I miss something here?)
>
> /Johannes
>
>
>
> On Thu, Nov 9, 2017 at 10:10 AM, Stefan Blumentrath <
> [email protected]> wrote:
>
> Did you try v.edit:
>
> https://grass.osgeo.org/grass72/manuals/v.edit.html
>
> Cheers
>
> Stefan
>
>
>
> *From:* grass-user [mailto:[email protected]] *On Behalf
> Of *Johannes Radinger
> *Sent:* torsdag 9. november 2017 10.04
> *To:* GRASS user list <[email protected]>
> *Subject:* [GRASS-user] GRASS-way to delete points from a map and
> attribute table
>
>
>
> Hi,
>
>
>
> what would be the most GRASS-like way to delete several points from a
> points vector map.
>
>
>
> I know the specific cats of the points I would like to delete (10 of
> 200000) and I want to delete the points from the map and, of course, also
> from the corresponding attribute table. I already tried v.edit but here the
> points are not deleted from the attribute table. I could also use v.extract
> with the reverse flag, however this requires to define a new output map
> (which I would like to avoid if possible). Any straight forward way in
> GRASS?
>
>
>
> /Johannes
>
>
>

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