[GRASS-user] Some questions

[M S]

On 5/30/07, Martin Besta <martin.besta at googlemail.com> wrote:
>
> Hi all,
> I am new here and to grass, so I have some questions about working with
> grass.



Hello and welcome to the fun world of open source GRASS GIS!!!

First,
> I have some maps and one line, witch represents the boundary of area. And
> I need to trim my maps with this line (somethings like Clip by ESRI). Is it
> possible with Grass tools?


v.overlay will do a clip, inputting a line and a area as the "clipper".  by
selecting the "and" operator you will get the clipped lines.


Next...
> To my polygon map I want to add some polygons from other polygon map
> (Update, again like ESRI). I am not sure if v.patch is the best solution
> to get this


v.patch should do the trick.


Next..
> Can I edit the column header (name and type) of attribute table? I know
> another WIN software that can it do, but i am interested in GRASS now. Is it
> possible to remove some columns from the table with Grass?


v.category looks like it edits attributes.

Sorry I cant be more definitive, but I'm working off of the old memory
banks.  =D


I would be happy if you could me give any answers.
> Best regards
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