New issue 787: particle_specific_angular_momentum fields not working https://bitbucket.org/yt_analysis/yt/issue/787/particle_specific_angular_mom... Britton Smith: In the unitrefactor, running this script: http://paste.yt-project.org/show/4327/ gives the following: Traceback (most recent call last): File "dqtest.py", line 9, in <module> print sp['particle_specific_angular_momentum_x'] File "/Users/britton/Documents/work/yt/yt-x86_64/src/yt-hg/yt/data_objects/data_containers.py", line 205, in __getitem__ self.get_data(f) File "/Users/britton/Documents/work/yt/yt-x86_64/src/yt-hg/yt/data_objects/data_containers.py", line 609, in get_data self._generate_fields(fields_to_generate) File "/Users/britton/Documents/work/yt/yt-x86_64/src/yt-hg/yt/data_objects/data_containers.py", line 626, in _generate_fields fd = self._generate_field(field) File "/Users/britton/Documents/work/yt/yt-x86_64/src/yt-hg/yt/data_objects/data_containers.py", line 240, in _generate_field tr = self._generate_particle_field(field) File "/Users/britton/Documents/work/yt/yt-x86_64/src/yt-hg/yt/data_objects/data_containers.py", line 320, in _generate_particle_field rv = self.pf._get_field_info(*field)(gen_obj) File "/Users/britton/Documents/work/yt/yt-x86_64/src/yt-hg/yt/fields/derived_field.py", line 181, in __call__ dd = self._function(self, data) File "/Users/britton/Documents/work/yt/yt-x86_64/src/yt-hg/yt/fields/particle_fields.py", line 168, in _particle_position return data[_ptype, coord_name][:,axi] File "/Users/britton/Documents/work/yt/yt-x86_64/src/yt-hg/yt/data_objects/data_containers.py", line 198, in __getitem__ f = self._determine_fields([key])[0] File "/Users/britton/Documents/work/yt/yt-x86_64/src/yt-hg/yt/data_objects/data_containers.py", line 441, in _determine_fields finfo = self.pf._get_field_info(ftype, fname) File "/Users/britton/Documents/work/yt/yt-x86_64/src/yt-hg/yt/data_objects/static_output.py", line 379, in _get_field_info raise YTFieldNotFound((ftype, fname), self) yt.utilities.exceptions.YTFieldNotFound: Could not find field '('all', 'Coordinates')' in DD0064. I am able to grab the particle_positions on their own for a data object, but not within this field.