yt.geometry_tests /

import time
from yt.mods import *
from yt.geometry.selection_routines import SphereSelector
from yt.data_objects.selection_data_containers import YTSphereBase

class Dummy(object):
    radius = 0.1
    center = [0.5, 0.5, 0.5]

ii = Dummy()

sps = SphereSelector(ii)
pf = load("DD0039/output_0039")

spp = YTSphereBase([0.5, 0.5, 0.5], 0.1, pf=pf)

gi = sps.select_grids(pf.h.grid_left_edge, pf.h.grid_right_edge)
print gi.sum(),
print gi.sum() / float(len(spp._grids))

pb = get_pbar("Counting", gi.sum())
scount = icount = 0
for i,g in enumerate(pf.h.grids[gi]):
    scount += sps.count_cells(g)
    icount += spp._get_point_indices(g)[0].size
print scount, icount
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