[GRASS-dev] v.surf.bspline density and distance estimates

[Paulo van Breugel]

On 6/16/17 3:20 PM, Markus Metz wrote:
>
>
> On Fri, Jun 16, 2017 at 11:28 AM, Paulo van Breugel 
> <p.vanbreugel at gmail.com <mailto:p.vanbreugel at gmail.com>> wrote:
> >
> > Hi devs, can anybody tell how v.surf.bspline computes the point 
> density and mean distance.
>
> point density is the number of points divided by the size of the 
> bounding box of the points
> mean distance is the square root of the size of the bounding box 
> divided by the number of points
>
> > And what is the unit, pixels, as also used for length spline steps 
> or meters?
>
> the unit is map unit, you can then figure out a reasonable resolution 
> (in map units) for the current region

Thanks!
I was trying to find out from the source code, but not understanding C I 
couldn't find where this was described / done.

>
> Markus M
>
> >
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