[R-sig-Geo] Step characteristics on raster maps (Mathieu Basille)
basille at ase-research.org
Sun Oct 3 17:59:53 CEST 2010
This is actually on my todo list, a test with the polygon approach,
although I'm not sure how to start to "polygonize" the segments... But
in the end, that would allow a performance comparison with different
approaches (and that would also allow the calculation of the
characteristics of buffers around the segments, which might be
interesting for us, too).
Thanks for the suggestion,
Le 03/10/2010 10:04, Arnaud Mosnier a écrit :
> Hi Mathieu,
> An easy workaround could be to convert each segment to a polygon doing a
> very small buffer around each segment then use the overlay method to
> obtain info in each of these polygon.
Mathieu Basille, Post-Doc
Laboratoire d'Écologie Comportementale et de Conservation de la Faune
+ Centre d'Étude de la Forêt
Département de Biologie
Université Laval, Québec
``If you can't win by reason, go for volume.''
Calvin, by Bill Watterson.
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