Source code for yt.frontends.sdf.fields

"""
SDF-specific fields




"""

#-----------------------------------------------------------------------------
# Copyright (c) 2013, yt Development Team.
#
# Distributed under the terms of the Modified BSD License.
#
# The full license is in the file COPYING.txt, distributed with this software.
#-----------------------------------------------------------------------------

from yt.fields.field_info_container import \
    FieldInfoContainer


[docs]class SDFFieldInfo(FieldInfoContainer): known_other_fields = () known_particle_fields = () _mass_field = None def __init__(self, ds, field_list): if 'mass' in field_list: self.known_particle_fields.append(("mass", "code_mass", ["particle_mass"], None)) possible_masses = ['mass', 'm200b', 'mvir'] mnf = 'mass' for mn in possible_masses: if mn in ds.sdf_container.keys(): mnf = self._mass_field = mn break idf = ds._field_map.get("particle_index", 'ident') xf = ds._field_map.get("particle_position_x", 'x') yf = ds._field_map.get("particle_position_y", 'y') zf = ds._field_map.get("particle_position_z", 'z') vxf = ds._field_map.get("particle_velocity_x", 'vx') vyf = ds._field_map.get("particle_velocity_z", 'vy') vzf = ds._field_map.get("particle_velocity_z", 'vz') self.known_particle_fields = ( (idf, ('dimensionless', ['particle_index'], None)), (xf, ('code_length', ['particle_position_x'], None)), (yf, ('code_length', ['particle_position_y'], None)), (zf, ('code_length', ['particle_position_z'], None)), (vxf, ('code_velocity', ['particle_velocity_x'], None)), (vyf, ('code_velocity', ['particle_velocity_y'], None)), (vzf, ('code_velocity', ['particle_velocity_z'], None)), (mnf, ('code_mass', ['particle_mass'], None)), ) super(SDFFieldInfo, self).__init__(ds, field_list)