added slice of data on mesh convenience method #2917

Job	Run time
Python 3.10 (omp=n, mpi=n, dagmc=n, ncrystal=n, libmesh=n, event=n vectfit=n)	1h 20m 53s
Python 3.10 (omp=y, mpi=n, dagmc=n, ncrystal=n, libmesh=n, event=n vectfit=n)	2h 50m 33s
Python 3.10 (omp=n, mpi=y, dagmc=n, ncrystal=n, libmesh=n, event=n vectfit=n)	56m 26s
Python 3.10 (omp=y, mpi=y, dagmc=n, ncrystal=n, libmesh=n, event=n vectfit=n)	2h 25m 30s
Python 3.7 (omp=n, mpi=n, dagmc=, ncrystal=, libmesh=, event= vectfit=)	1h 4m 34s
Python 3.8 (omp=n, mpi=n, dagmc=, ncrystal=, libmesh=, event= vectfit=)	1h 6m 19s
Python 3.9 (omp=n, mpi=n, dagmc=, ncrystal=, libmesh=, event= vectfit=)	1h 13m 12s
Python 3.11 (omp=n, mpi=n, dagmc=, ncrystal=, libmesh=, event= vectfit=)	1h 42m 23s
Python 3.10 (omp=y, mpi=y, dagmc=y, ncrystal=, libmesh=, event= vectfit=)	2h 47m 36s
Python 3.10 (omp=n, mpi=n, dagmc=, ncrystal=y, libmesh=, event= vectfit=)	1h 1m 27s
Python 3.10 (omp=y, mpi=y, dagmc=, ncrystal=, libmesh=y, event= vectfit=)	2h 33m 41s
Python 3.10 (omp=y, mpi=n, dagmc=, ncrystal=, libmesh=y, event= vectfit=)	3h 1m 17s
Python 3.10 (omp=y, mpi=n, dagmc=, ncrystal=, libmesh=, event=y vectfit=)	3h 9m 23s
Python 3.10 (omp=n, mpi=y, dagmc=, ncrystal=, libmesh=, event= vectfit=y)	54m 38s
finish	3s
	1d 2h 7m 55s

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