[GRASS-user] Point-in-polygon in GRASS (how about R?)

Rick Reeves reeves at nceas.ucsb.edu
Thu Jul 12 19:16:50 EDT 2007


Wolfgang:

There may well be a way to detect point-in-polygon in GRASS;
there definitely is a way to do so in R (which interfaces to GRASS):
Check out this example on our Web site:

http://nceas.ucsb.edu/scicomp/GISSeminar/UseCases/PointInPolygonAnalysis/point_in_poly.html
http://nceas.ucsb.edu/scicomp/GISSeminar/UseCases/PolygonOverlay/PolygonOverlay.html

You could exploit R calls within GRASS using the R spgrass6 package.

The above site has good introductory material and references for R,
Or check the R home page: http://cran.r-project.org

Regards,
Rick Reeves

-- 
Rick Reeves	
Scientific Programmer / Analyst	
National Center for Ecological Analysis and Synthesis
UC Santa Barbara
reeves at nceas.ucsb.edu
www.nceas.ucsb.edu
805 892 2533

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