New issue 1197: YTPositionArray doesn't work https://bitbucket.org/yt_analysis/yt/issues/1197/ytpositionarray-doesnt-work
I don't think this is explicitly the fault of `YTArray`, but I don't know how to get around it. Right now, creating a `yt.data_objects.octree_subset.YTPositionArray` just returns `YTArray`. I'm not sure how to make sure that it returns the right class, but I suspect something in the `YTArray` code doesn't pass down subclasses. (It used to, I promise!)
Here's example code:
``` import yt from yt.data_objects.octree_subset import YTPositionArray ds = yt.load("enzo_tiny_cosmology/DD0043/DD0043") pos = ds.r["particle_position"] ppos = YTPositionArray(pos) ```
At this point, `ppos` should have `to_octree` as a method, but it doesn't. Not sure how to fix this -- @ngoldbaum do you know how I could make sure that the subclass is correctly handled?