Source code for yt.frontends.ytdata.fields

from yt.fields.field_info_container import FieldInfoContainer

m_units = "g"
p_units = "cm"
v_units = "cm / s"
r_units = "cm"


[docs] class YTDataContainerFieldInfo(FieldInfoContainer): known_other_fields = () known_particle_fields = () def __init__(self, ds, field_list): super().__init__(ds, field_list) self.add_fake_grid_fields()
[docs] def add_fake_grid_fields(self): """ Add cell volume and mass fields that use the dx, dy, and dz fields that come with the dataset instead of the index fields which correspond to the oct tree. We need to do this for now since we're treating the grid data like particles until we implement exporting AMR hierarchies. """ if ("grid", "cell_volume") not in self.field_list: def _cell_volume(field, data): return data["grid", "dx"] * data["grid", "dy"] * data["grid", "dz"] self.add_field( ("grid", "cell_volume"), sampling_type="particle", function=_cell_volume, units="cm**3", )
[docs] class YTGridFieldInfo(FieldInfoContainer): known_other_fields = () known_particle_fields = ()