mlennert at club.worldonline.be
Wed May 23 10:20:40 EDT 2007
On 23/05/07 15:50, Salvator*eL*arosa wrote:
> hajhouse wrote:
>> På 2007-05-22, skrev Salvator*eL*arosa:
>>> i need a little help!
>>> How can to export a point shapefile from a polygon layer in Grass
>>> So, i can have in table (point file) all informations of the layer
>>> Sorry my english!
>> In GRASS terminology polygons can be lines, boundaries, or areas (when
>> conbined with a centroid [= center point]). So assuming you have areas
>> and you want to export just the centroids, I believe something like:
>> v.type type=centroid,point in=mymap out=mymap_converted
>> v.out.ogr in=mymap_converted dsn=myshapefile.shp
>> would meet your needs.
> Thank u for reply!
> Unfortunately it doesn't work, yet. It export always shp polygon!
> I need of a point shapefile!
You need to use the type= option of v.out.ogr:
v.type type=centroid,point in=mymap out=mymap_converted
v.out.ogr in=mymap_converted dsn=myshapefile.shp type=point
Then you get a point file with attributes.
More information about the grass-user