vmesh and the mesh classes have a get_neighbor and get_neighbors function for the delem inputs, but each requires on of the element neighbors. There should be a function to get all the neighbors, which would be very similar to these, but without the checks.
vmesh and the mesh classes have a get_neighbor and get_neighbors function for the delem inputs, but each requires on of the element neighbors. There should be a function to get all the neighbors, which would be very similar to these, but without the checks.