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2009 Apr 04
1
error in trmesh (alphahull package)
...alpha shape without trouble (which is why I think it might have to do with the spatial arrangement of my points). See below: # first here's a quick sample of my data (UTM coordinates) > xcoords[1:5] [1] 670080.2 670080.2 670080.2 670080.2 670080.2 > ycoords[1:5] [1] 5005501 5005499 5005498 5005497 5005495 > xcoords[1:5] #try the ashape routine with error > alpha.shape<-ashape(xcoords,ycoords,15) Error in tri.mesh(X) : error in trmesh #get statistics to generate a similar dataset to test against > length(xcoords) [1] 26257 > length(ycoords) [1] 26257 > mean(xco...