Dylan Beaudette wrote:
> Hi,
>
> Here is another approach, using something like a 'concave hull' -- i.e. alpha
> shapes:
>
> http://casoilresource.lawr.ucdavis.edu/drupal/node/919
>
Thanks Dylan and thanks Roman for your advice. (convexhull.xy was what I
wanted).
signature.asc
Description: O
Hi,
Here is another approach, using something like a 'concave hull' -- i.e. alpha
shapes:
http://casoilresource.lawr.ucdavis.edu/drupal/node/919
Cheers,
Dylan
On Friday 23 April 2010, Roman Luštrik wrote:
> How does this function sound (convexhull.xy {spatstat})?
>
> http://bm2.genes.nig.ac.jp
How does this function sound (convexhull.xy {spatstat})?
http://bm2.genes.nig.ac.jp/RGM2/R_current/library/spatstat/man/convexhull.xy.html
Convex Hull of Points Description
Computes the convex hull of a set of points in two dimensions.
Usage
convexhull.xy(x, y=NULL)
Arguments x vector of x coo
How to create nice polygons from a number of clusters?
I have sorted list of clusters representing hot-spots
> sorted.list.of.clusters
[1] 7 1 11 9 26 2 5 10 33 40 18 28 37 20 30 47 53
whereas my.cluster holds the classification of events (criminal
fire-setting) to clusters:
head(my.clust
