[GRASS-user] SOLVED Determining number of overlapping features per location after import of shape file

Rainer M Krug r.m.krug at gmail.com
Tue Jun 24 08:25:43 EDT 2008

I forgot to mention: I did NOT get it to work with dbf and switched to
sqlite where it worked.

On Tue, Jun 24, 2008 at 2:21 PM, Markus Neteler <neteler at osgeo.org> wrote:
> On Tue, Jun 24, 2008 at 12:28 PM, Rainer M Krug <r.m.krug at gmail.com> wrote:
>> Hi
>> I managed to solve it:
> great!
>>    v.in.ogr dsn=./shp/ layer=fireHistory output=fireHistory
>>    v.category input=fireHistory output=tmpFire
>>    v.db.addtable map=tmpFire table=tmpFire_2 layer=2 columns='num,int'
>>    v.to.db map=tmpFire layer=2 qlayer=1 option=query col=num
>> qcol='count(*)' type=centroid
>> finally I can export it to a raster layer:
>>     v.to.rast input=tmpFire layer=2 output=mf use=attr column=num --overwrite
>> Could the code on the website
>> http://grass.osgeo.org/screenshots/vector.php please be updated, as it
>> is not working under grass 6.3 and less commands are necessary?
> I have indicated the GRASS verison there.
>> Is there a WIKI to which I could upload the code?
> I have created a new FAQ:
> http://grass.osgeo.org/wiki/Vector_Overlapping_Areas
> List of FAQs:
> http://grass.osgeo.org/wiki/Category:FAQ
> Feel free to modify, rewrite, ... :)
> Markus

Rainer M. Krug, PhD (Conservation Ecology, SUN), MSc (Conservation
Biology, UCT), Dipl. Phys. (Germany)

Plant Conservation Unit
Department of Botany
University of Cape Town
Rondebosch 7701
South Africa

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