Feb. 23, 2013
8:07 a.m.
Hi, I want to test if a data set at particles. I thought: pf.has_key("particle_type") would work, but oddly it doesn't since: In [17]: pf.has_key("particle_type") Out[17]: False yet: In [4]: dd = pf.h.all_data() In [5]: dd["particle_type"] yt : [INFO ] 2013-02-23 17:00:43,826 Getting particle_type using ParticleIO Out[5]: array([11, 11, 11, ..., 11, 11, 11]) Shouldn't pf.has_key("particle_type") be true in this case? Elizabeth