16ddc061d323503054cac197148bbc787c8ddb91,pyntcloud/structures/octree.py,Octree,build,#Octree#,29

Before Change

        self.build()

    def build(self):
        level_ptp = np.ptp([self.xyzmin, self.xyzmax], axis=0) / 2
        mid_points = np.zeros_like(self.points)
        mid_points[:] = (self.xyzmin + self.xyzmax) / 2
        for i in range(self.max_level):
            level_ptp /= 2
            bigger = self.points > mid_points
            for j in range(3):                
                mid_points[:,j][bigger[:,j]] += level_ptp[j]
                mid_points[:,j][~bigger[:,j]] -= level_ptp[j]
            bigger = bigger.astype(np.uint8)
            self.structure.loc[:,i] = ((bigger[:,1] * 2) + bigger[:,0]) + (bigger[:,2] * (2 * 2))        

    def get_level_as_sf(self, level):

After Change

        mid_points = np.zeros_like(self.points)
        mid_points[:] = (self.xyzmin + self.xyzmax) / 2
        for i in range(self.max_level):
            self.sizes[i] = level_ptp
            level_ptp /= 2
            bigger = self.points > mid_points
            mid_points = np.where(bigger, mid_points + level_ptp, mid_points - level_ptp)

Instances