def _cellN(self, p):
        p = self._asPointer(p)
        return [hi[:p[ii]].sum() for ii, hi in enumerate(self.h)]
Node location [x,y(,z)] of a single cell, closest to origin, given a pointer.
dataset/ETHPy150Open simpeg/simpeg/SimPEG/Mesh/TreeMesh.py/TreeMesh._cellN