NBLAST is an algorithm for measuring pairwise neuronal similarity. it uses spatial location and branching pattern
references
Costa, M., Manton, J. D., Ostrovsky, A. D., Prohaska, S., & Jefferis, G. S. X. E. (2016). NBLAST: Rapid, Sensitive Comparison of Neuronal Structure and Construction of Neuron Family Databases. Neuron, 91(2), 293–311. https://doi.org/10.1016/j.neuron.2016.06.012