Hi there,

I'm dealing with some athena data right now, and running into some issues with defining regions. 

an example, with domain_left_edge = [0, 0, 0], and right_edge = [1, 1, 1]

In [18]: center=[0.5,0.5,0.5]

In [19]: lc = [0,0,0.4]

In [20]: rc=[1.0,1.0,0.6]

In [21]: region = pf.h.region(center, lc, rc)

In [22]: region.volume()

Out[22]: -inf

I'm able to get at region.quantities, but trying to make a projection plot fails.  

Interestingly, or maybe not, if I try to do something similar with data that has its domain centered on the origin, the volume is finite and everything I've tried with plotting works fine. I guess athena support is still a bit preliminary, but I thought I'd throw this out there.

best,

Nick

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