Extract a list of arcs from a triangulation object.
This function extracts a list of arcs from a triangulation object
created by tri.mesh.
arcs(tri.obj)
tri.obj |
object of class |
This function acesses the arcs component of a triangulation
object returned by tri.mesh and extracts the arcs
contained in this triangulation. This is e.g. used for plotting.
A matrix with two columns "from" and "to" containing the
indices of points connected by the arc with the corresponding row index.
Albrecht Gebhardt <albrecht.gebhardt@aau.at>, Roger Bivand <roger.bivand@nhh.no>
data(franke) tr <- tri.mesh(franke$ds3) arcs(tr)
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