[GRASS5] counting number of vector points in same position?
Michael Barton
michael.barton at asu.edu
Thu Aug 11 10:37:08 EDT 2005
V.cellstats would be very helpful. As you say, its functionality would be
roughly equivalent to an improved v.neighbors. An improved v.neighbors would
still be nice too, as it does something a little different.
Michael
On 8/11/05 6:56 AM, "Markus Neteler" <neteler at itc.it> wrote:
> On Wed, Aug 10, 2005 at 09:42:56PM -0700, Michael Barton wrote:
>> If v.neighbors had other statistical functions besides count (e.g., sum,
>> mean, max, min), you could sum cases for all points within a raster cell.
>> Then you could transform it back to vector.
>
> Thanks, Michael,
>
> in my case I cannot limit to underlying raster cells.
>
> Inspired by s.cellstats [1] I tried to update it to v.cellstats which is
> doing what you mention above (but writing vector).
>
> Do we want v.cellstats? This needs help of someone more
> familiar with DBMI programming than me.
>
> Markus
>
> [1] http://grass.itc.it/gdp/html_grass5/html/s.cellstats.html
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