[GRASS-user] problems with v.edit

[chiaraercoli at tiscali.it]

----Messaggio originale----
Da: landa.martin at gmail.com
Data: 20/01/2009 19.20
A: "chiaraercoli at tiscali.it"<chiaraercoli at tiscali.it>
Cc: <grass-user at lists.osgeo.org>
Ogg: Re: [GRASS-user] problems with v.edit

Hi,

2009/1/20 chiaraercoli at tiscali.it <chiaraercoli at tiscali.it>:
> I have a problem with v-edit.
> I have to break a vector line
> into two parts near a point. I gave this command:
>
> v.edit map=ret_125
> layer=1 type=line tool=break thresh=$ris_edit coords=$x,$y snap=no
>
>
> where " $ris_edit "  depends on the resolution of the DEM raster 
map,
> "$x" and "$y" are the coordinates of the point.

are you sure that threshold value is enough to select vector feature
which you want to break?

v.edit map=ret_125 tool=select  thresh=$ris_edit coords=$x,$y

?

Martin

-- 
Martin Landa <landa.martin gmail.com> * http://gama.fsv.cvut.cz/~landa 
*











I send you the line, ret_125,  and the point, punto_minimo.
Thanks for all,
  Chiara .
 
 




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PROJCS["WGS_1984_UTM_Zone_19S",GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137,298.257223563]],PRIMEM["Greenwich",0],UNIT["Degree",0.017453292519943295]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-69],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",10000000],UNIT["Meter",1]]
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PROJCS["WGS_1984_UTM_Zone_19S",GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137,298.257223563]],PRIMEM["Greenwich",0],UNIT["Degree",0.017453292519943295]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-69],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",10000000],UNIT["Meter",1]]
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