Exemplo n.º 1
0
def all_simulations(request):
    return [SimulationInfo(x,request) for x in tangos.all_simulations(request.dbsession)]
Exemplo n.º 2
0
def _db_import_export(target_session, from_session, *sims):
    external_id_to_internal_halo = {}
    translated_halolink_ids = []

    if len(sims)==0:
        sims = [x.id for x in all_simulations(from_session)]

    for sim in sims:
        ext_sim = get_simulation(sim, from_session)
        sim = Simulation(ext_sim.basename)
        target_session.add(sim)
        logger.info("Transferring simulation %s", ext_sim)

        halos_this_ts = []
        for p_ext in ext_sim.properties:
            dic = get_or_create_dictionary_item(
                target_session, p_ext.name.text)
            p = SimulationProperty(sim, dic, p_ext.data)
            halos_this_ts.append(p)

        for tk_ext in ext_sim.trackers:
            tk = TrackData(sim, tk_ext.halo_number)
            tk.particles = tk_ext.particles
            tk.use_iord = tk_ext.use_iord
            halos_this_ts.append(tk)

        target_session.add_all(halos_this_ts)

        for ts_ext in ext_sim.timesteps:
            logger.info("Transferring timestep %s",ts_ext)
            ts = TimeStep(sim, ts_ext.extension)
            ts.redshift = ts_ext.redshift
            ts.time_gyr = ts_ext.time_gyr
            ts.available = True
            target_session.add(ts)

            halos_this_ts = []

            logger.info("Transferring objects for %s", ts_ext)
            for h_ext in ts_ext.objects:
                h = SimulationObjectBase(ts, h_ext.halo_number, h_ext.finder_id, h_ext.finder_offset, h_ext.NDM,
                         h_ext.NStar, h_ext.NGas, h_ext.object_typecode)
                h.external_id = h_ext.id
                halos_this_ts.append(h)

            target_session.add_all(halos_this_ts)
            target_session.commit()

            for h in halos_this_ts:
                assert h.id is not None and h.id > 0
                external_id_to_internal_halo[h.external_id] = h

            properties_this_ts = []
            logger.info("Transferring object properties for %s", ts_ext)
            for h_ext in ts_ext.objects:
                h_new = external_id_to_internal_halo[h_ext.id]
                for p_ext in h_ext.properties:
                    dic = get_or_create_dictionary_item(
                        target_session, p_ext.name.text)
                    dat = p_ext.data_raw
                    if dat is not None:
                        p = HaloProperty(h_new, dic, dat)
                        target_session.add(p)

            target_session.commit()

        for ts_ext in ext_sim.timesteps:
            logger.info("Transferring halolinks for timestep %s", ts_ext)
            sys.stdout.flush()
            _translate_halolinks(
                target_session, ts_ext.links_from, external_id_to_internal_halo, translated_halolink_ids)
            _translate_halolinks(
                target_session, ts_ext.links_to, external_id_to_internal_halo, translated_halolink_ids)
            target_session.commit()

        logger.info("Done")
Exemplo n.º 3
0
import matplotlib
#matplotlib.use('Agg')


def smooth(y, box_pts):
    # moving average smoothing
    box = np.ones(box_pts) / box_pts
    y_smooth = np.convolve(y, box, mode='same')
    return y_smooth


import tangos
tangos.all_simulations()
import pylab as p
import matplotlib.pyplot as plt
import numpy as np
import pandas as pd
from scipy.signal import savgol_filter

P0_halo = tangos.get_halo(
    "pioneer50h243.1536g1bwK1BH/pioneer50h243.1536gst1bwK1BH.004096/halo_1")
P0_SFR = P0_halo["SFR_histogram"]
P0_BH_accrate = P0_halo.calculate('BH.BH_mdot_histogram')
P0_BH_accrate_hat = smooth(P0_BH_accrate, 50)
P0_SFR_property_object = P0_halo.get_objects("SFR_histogram")[0]
P0_SFR_time_bins = P0_SFR_property_object.x_values()

GM1_halo = tangos.get_halo(
    "pioneer50h243GM1.1536gst1bwK1BH_no3072/pioneer50h243GM1.1536gst1bwK1BH.004096/halo_1"
)
GM1_SFR = GM1_halo["SFR_histogram"]