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<body class='hmmessage'><div dir='ltr'>Well i found out that the problem is that my attribute table is not been copied when i run the v.buffer command, so i dont have a 'cat' column as i do on PocosUTM22s vector. <div>I run the v.buffer with the -t flag and everything is ok now<br><br><div><hr id="stopSpelling">From: alecventura@hotmail.com<br>To: grass-user@lists.osgeo.org<br>Date: Mon, 14 Dec 2015 20:43:54 -0200<br>Subject: [GRASS-user] How to categorize my areas<br><br>
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<div dir="ltr">I have a vector with some points (about 80) and im generating a buffer around then:<div>g.run_command('v.buffer', input='PocosUTM22s', output='boreholesGrassBuffer', type='point', distance='1000')</div><div><br></div><div>then i want to extract then one by one so i can make a 3d area with extrude command, the problem is that when i run the extract:</div><div><br></div><div>v.extract -d list=1 input=boreholesGrassBuffer output=test1 type=area</div><div><br></div><div>my test1 vector has all the points, if a undestand correct the list parameter of v.extract is related with the category, but how can i categorize each area of <span style="font-size:12pt;">boreholesGrassBuffer vector?</span></div><div><span style="font-size:12pt;"><br></span></div><div><span style="font-size:12pt;">Tnks,</span></div><div><span style="font-size:12pt;">Alec.</span></div> </div>
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