[GRASS-user] Does v.kernel have to take 16+ hours?

Markus Metz markus.metz.giswork at gmail.com
Wed Dec 12 14:00:15 PST 2012


Done in r54271.


On Mon, Dec 10, 2012 at 6:00 PM, Michael Barton <michael.barton at asu.edu> wrote:
> +1 for me too. Otherwise very confusing.
>
> Michael
> ____________________
> C. Michael Barton
> Director, Center for Social Dynamics & Complexity
> Professor of Anthropology, School of Human Evolution & Social Change
> Arizona State University
>
> voice:  480-965-6262 (SHESC), 480-727-9746 (CSDC)
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>
>
>
> On Dec 10, 2012, at 1:19 AM, <grass-user-request at lists.osgeo.org>
>  wrote:
>
> From: Moritz Lennert <mlennert at club.worldonline.be>
> Subject: Re: [GRASS-user] Does v.kernel have to take 16+ hours?
> Date: December 10, 2012 1:03:46 AM MST
> To: Markus Metz <markus.metz.giswork at gmail.com>
> Cc: <grass-user at lists.osgeo.org>
>
>
> On 07/12/12 17:16, Markus Metz wrote:
>
> On Thu, Dec 6, 2012 at 10:19 PM, Aren Cambre<aren at arencambre.com>  wrote:
>
> OK, I think I get it now. After you've hit 4 SDs (or even arguably 3 SDs!)
> the contribution of more points to that square fades to almost nothing
> without extreme clusters of points.
>
>
> Right.
>
>
> Seems like this ought to be clarified in the UI and documentation? Should I
> file an enhancement request?
>
>
> I would rather have the option 'stddeviation' renamed to 'radius',
> kernel radius in map units, which it actually is currently for all
> kernels but gaussian, and internally adjust standard deviation instead
> of radius for the gaussian kernel. I guess that the kernel radius is
> of more importance to users than the standard deviation. Makes sense?
>
>
>
> +1
>
> Moritz
>
>
>
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