Re: [R] [R-sig-Geo] error in trmesh (alphahull package)

) the coordinates very slightly. Either solution will do the work. Cheers, José M. Blanco Murray Richardson escribió: Hello R community, I have cross-posted with r-sig-geo as this issue could fall under either interest group I believe. I just came accross the alphahull package and am very

[R] error in trmesh (alphahull package)

Hello R community, I have cross-posted with r-sig-geo as this issue could fall under either interest group I believe. I just came accross the alphahull package and am very pleased I may not need to use CGAL anymore for this purpose. However, I am having a problem computing alpha shapes

[R] Stacked bar plot anomaly When column contains a negative and a positive value

Hello all Please ignore this last post as I now realize it is because the stacked components are summed, as they should be. I needed the columns to be stacked but not summed so just plotted the two series separately with add=T Sorry... Murray Richardson Original Message

[R] polygon shapefile from line edge coordinate list

Hello, I am looking for advice on a task I am trying to complete. I have a 4 column dataframe defining the start and end coordinates of line edges (from a CGAL alpha shapes function to define concave hulls from point clusters). I would like to create polygon shapefiles from these line edges,