Hi all, I am trying to compute vorticity for a fire snapshot. I've put down a sphere (sp), and can access some other derived fields, but for some reason things like vorticity give me the following error. Does anyone have suggestions as to what I'm doing wrong?
sp['gas','velocity_magnitude'] YTArray([ 53724618.56288539, 48756921.3449135 , 46197475.78549621, ..., 53664392.60568497, 46881343.68564206, 50050673.058614 ]) cm/s sp['gas','vorticity_x'] Traceback (most recent call last): File "<stdin>", line 1, in <module> File "/home/prachi/anaconda2/lib/python2.7/site-packages/yt/ data_objects/data_containers.py", line 281, in __getitem__ self.get_data(f) File "/home/prachi/anaconda2/lib/python2.7/site-packages/yt/ data_objects/data_containers.py", line 1295, in get_data self._generate_fields(fields_to_generate) File "/home/prachi/anaconda2/lib/python2.7/site-packages/yt/ data_objects/data_containers.py", line 1315, in _generate_fields fd = self._generate_field(field) File "/home/prachi/anaconda2/lib/python2.7/site-packages/yt/ data_objects/data_containers.py", line 318, in _generate_field tr = self._generate_fluid_field(field) File "/home/prachi/anaconda2/lib/python2.7/site-packages/yt/ data_objects/data_containers.py", line 336, in _generate_fluid_field rv = self._generate_spatial_fluid(field, ngt_exception.ghost_zones) File "/home/prachi/anaconda2/lib/python2.7/site-packages/yt/ data_objects/data_containers.py", line 359, in _generate_spatial_fluid for i, chunk in enumerate(chunks): File "/home/prachi/anaconda2/lib/python2.7/site-packages/yt/ geometry/particle_geometry_handler.py", line 179, in _chunk_spatial g = og.retrieve_ghost_zones(ngz, [], smoothed=True) AttributeError: 'ParticleOctreeSubset' object has no attribute 'retrieve_ghost_zones'