Dear colleague,
This message normally comes when the computation of the edge effect
correction fails, which in most cases is due to a false definition of the
triangles.
Maybe you can send us the corresponding file, so that we can check ?
Sincerely yours
-------------------------------------------------------
François Goreaud
CEMAGREF, LISC
24 avenue des Landais - BP 50085
63172 AUBIERE CEDEX 1 - France
Tel. : 33 (0)4.73.44.06.80
Fax : 33 (0)4.73.44.06.96
email : francois.goreaud@clermont.cemagref.fr
-------------------------------------------------------
> ----------
> De : Andrew Bevan[SMTP:a.bevan@ucl.ac.uk]
> Date : jeudi 8 mai 2003 16:09
> A : ADE-4
> Objet : overlapping triangles
>
> Dear List
>
> I am new to the list so apologies for any naivety on my part.
>
> I am trying to run a Ripley's K-function analysis of points within a
> rather irregular sample area (in fact a distribution of buildings on a
> Mediterranean island), using the triangulate polygons option to create a
> suitable mask (i.e. a simplified version of the sea around the coast).
> When I run the function, it falls over at the Monte Carlo tests stage,
> saying there are 'overlapping triangles'. I cannot find the problem either
> visually (plotting the triangles) or in the original files and wondered
> whether there was an easy method of diagnosis?
>
> Many thanks
> Andy
>
>
>
>
> Dr Andrew Bevan
>
> Research Fellow
> Institute of Archaeology
> University College London
> 31-34 Gordon Square
> London WC1H 0PY
>
> Tel: (0)207 679 4742
>
>
>
>
This archive was generated by hypermail 2b30 : Tue Sep 07 2004 - 13:45:21 MEST