[GRASS-dev] G7: v.loutlier Decomposition failed

[Newcomb, Doug]

Are those bare earth points only, or are you feeding it the entire point
cloud?



On Fri, Dec 6, 2013 at 7:17 AM, Blumentrath, Stefan <
Stefan.Blumentrath at nina.no> wrote:

>  Hi
>
>
>
> Maybe it is not of importance, because no one else would use such extreme
> settings, but in case someone considers it as a bug:
>
>
>
> I was testing a bit with v.outlier in GRASS 7 on dense LiDAR data (~4
> points per m2).
>
>
>
> When I use a very low Tykhonov regularization parameter (lambda_i) of
> 0.0000000000000000001 and rather short spline steps (1.5) at 0.5m
> resolution I get an error-message:
>
> “Decomposition failed at row 16499 and col 0”
>
>  Stefan
>
>
>
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>



-- 
Doug Newcomb
USFWS
Raleigh, NC
919-856-4520 ext. 14 doug_newcomb at fws.gov
---------------------------------------------------------------------------------------------------------
The opinions I express are my own and are not representative of the
official policy of the U.S.Fish and Wildlife Service or Dept. of the
Interior.   Life is too short for undocumented, proprietary data formats.
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