[GRASS-user] ouput centroids and areas_newbie

Matthew Mulbrandon mulbran at hotmail.com
Fri Jan 9 11:29:00 EST 2009


Hello,

New to Grass but not GIS. 

I have imported shp file county block group data( tenn_county_new) into a grass mapset. That part is working fine, projections match. 

Now I want to output x y coord for all centroids, and areas (in meters) into a table. 

I can see centroids and area shows up in the identification so I know its there somewhere. 

Tried v.centriod, v.to.db and other options but still have no idea how to do this. 

Information in table that is 

id
cat
ID (the first three match and just count up the number of blocks)
FIPSSTCO
tractGroup
STFID




Can anyone help?

Matthew

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