Exemplo n.º 1
0
def read_process_data(lst):
    stadata = SACStation(lst, only_r=True)
    idx = np.argsort(stadata.bazi)
    stadata.event = stadata.event[idx]
    stadata.bazi = stadata.bazi[idx]
    stadata.datar = stadata.datar[idx]
    time_axis = np.arange(stadata.RFlength) * stadata.sampling - stadata.shift
    return stadata, time_axis
Exemplo n.º 2
0
def read_process_data(path, resamp_dt=0.1):
    stadata = SACStation(path)
    stadata.resample(resamp_dt)
    idx = np.argsort(stadata.bazi)
    stadata.event = stadata.event[idx]
    stadata.bazi = stadata.bazi[idx]
    stadata.datar = stadata.datar[idx]
    stadata.datat = stadata.datat[idx]
    return stadata
Exemplo n.º 3
0
def read_process_data(lst, resamp_dt=0.1):
    stadata = SACStation(lst)
    stadata.resample(resamp_dt)
    idx = np.argsort(stadata.bazi)
    stadata.event = stadata.event[idx]
    stadata.bazi = stadata.bazi[idx]
    stadata.datar = stadata.datar[idx]
    stadata.datat = stadata.datat[idx]
    time_axis = np.arange(stadata.RFlength) * stadata.sampling - stadata.shift
    return stadata, time_axis
Exemplo n.º 4
0
def makedata(cpara, velmod3d=None, log=setuplog()):
    if velmod3d is not None:
        if isinstance(velmod3d, str):
            if exists(velmod3d):
                model_3d = np.load(velmod3d)
            else:
                model_3d = None
        else:
            raise ValueError('Path to 3d velocity model should be in str')
    else:
        model_3d = None
    # cpara = ccppara(cfg_file)
    sta_info = Station(cpara.stalist)
    RFdepth = []
    for i in range(sta_info.stla.shape[0]):
        rfdep = {}
        evt_lst = join(cpara.rfpath, sta_info.station[i],
                       sta_info.station[i] + 'finallist.dat')
        stadatar = SACStation(evt_lst, only_r=True)
        log.RF2depthlog.info('the {}th/{} station with {} events'.format(
            i + 1, sta_info.stla.shape[0], stadatar.ev_num))
        piercelat = np.zeros([stadatar.ev_num, cpara.depth_axis.shape[0]])
        piercelon = np.zeros([stadatar.ev_num, cpara.depth_axis.shape[0]])
        PS_RFdepth, end_index, x_s, x_p = psrf2depth(stadatar,
                                                     cpara.depth_axis,
                                                     stadatar.sampling,
                                                     stadatar.shift,
                                                     cpara.velmod,
                                                     velmod_3d=model_3d,
                                                     srayp=cpara.rayp_lib)
        for j in range(stadatar.ev_num):
            piercelat[j], piercelon[j] = latlon_from(sta_info.stla[i],
                                                     sta_info.stlo[i],
                                                     stadatar.bazi[j],
                                                     rad2deg(x_s[j]))
        rfdep['Station'] = sta_info.station[i]
        rfdep['stalat'] = sta_info.stla[i]
        rfdep['stalon'] = sta_info.stlo[i]
        # rfdep['Depthrange'] = cpara.depth_axis
        # rfdep['events'] = _convert_str_mat(stadatar.event)
        rfdep['bazi'] = stadatar.bazi
        rfdep['rayp'] = stadatar.rayp
        # rfdep['phases'] = _convert_str_mat(stadatar.phase)
        rfdep['moveout_correct'] = PS_RFdepth
        rfdep['Piercelat'] = piercelat
        rfdep['Piercelon'] = piercelon
        rfdep['StopIndex'] = end_index
        RFdepth.append(rfdep)
    savemat(cpara.depthdat, {'RFdepth': RFdepth})
Exemplo n.º 5
0
def hksta(hpara, isplot=False):
    station = basename(hpara.rfpath)
    stadata = SACStation(join(hpara.rfpath, station+'finallist.dat'), only_r=True)
    stack, _, allstack, _ = hkstack(stadata.datar, stadata.shift, stadata.sampling, srad2skm(stadata.rayp),
                                    hpara.hrange, hpara.krange, vp=hpara.vp, weight=hpara.weight)
    besth, bestk, cvalue, maxhsig, maxksig = ci(allstack, hpara.hrange, hpara.krange, stadata.ev_num)
    with open(hpara.hklist, 'a') as f:
        f.write('{}\t{:.3f}\t{:.3f}\t{:.1f}\t{:.2f}\t{:.2f}\t{:.3f}\n'.format(station, stadata.stla, stadata.stlo,
                                                                              besth, maxhsig, bestk, maxksig))
    title = '{}\nMoho depth = ${:.1f}\pm{:.2f}$\nV_P/V_S = ${:.2f}\pm{:.3f}$'.format(station, besth,
                                                                                     maxhsig, bestk, maxksig)
    if isplot:
        img_path = join(hpara.hkpath, station+'.pdf')
        plot(stack, allstack, hpara.hrange, hpara.krange, besth, bestk, cvalue, title=title, path=img_path)
    else:
        plot(stack, allstack, hpara.hrange, hpara.krange, besth, bestk, cvalue, title=title)
Exemplo n.º 6
0
def makedata3d(cpara, velmod3d, log=setuplog()):
    mod3d = Mod3DPerturbation(velmod3d, cpara.depth_axis, velmod=cpara.velmod)
    sta_info = Station(cpara.stalist)
    if cpara.rayp_lib is not None:
        srayp = np.load(cpara.rayp_lib)
    else:
        srayp = None
    RFdepth = []
    for i in range(sta_info.stla.shape[0]):
        rfdep = {}
        evt_lst = join(cpara.rfpath, sta_info.station[i],
                       sta_info.station[i] + 'finallist.dat')
        stadatar = SACStation(evt_lst, only_r=True)
        log.RF2depthlog.info('the {}th/{} station with {} events'.format(
            i + 1, sta_info.stla.shape[0], stadatar.ev_num))
        pplat_s, pplon_s, pplat_p, pplon_p, raylength_s, raylength_p, tpds = psrf_1D_raytracing(
            sta_info.stla[i],
            sta_info.stlo[i],
            stadatar,
            cpara.depth_axis,
            srayp=srayp)
        newtpds = psrf_3D_migration(pplat_s, pplon_s, pplat_p, pplon_p,
                                    raylength_s, raylength_p, tpds,
                                    cpara.depth_axis, mod3d)
        amp3d, end_index = time2depth(stadatar, cpara.depth_axis, newtpds)
        rfdep['Station'] = sta_info.station[i]
        rfdep['stalat'] = sta_info.stla[i]
        rfdep['stalon'] = sta_info.stlo[i]
        # rfdep['Depthrange'] = cpara.depth_axis
        # rfdep['events'] = _convert_str_mat(stadatar.event)
        rfdep['bazi'] = stadatar.bazi
        rfdep['rayp'] = stadatar.rayp
        # rfdep['phases'] = _convert_str_mat(stadatar.phase)
        rfdep['moveout_correct'] = amp3d
        rfdep['Piercelat'] = pplat_s
        rfdep['Piercelon'] = pplon_s
        rfdep['StopIndex'] = end_index
        RFdepth.append(rfdep)
    try:
        savemat(cpara.depthdat, {'RFdepth': RFdepth})
    except FileNotFoundError:
        log.RF2depthlog.warning('No such file or directory: {}'.format(
            dirname(cpara.depthdat)))
        rfdep_path = input('Enter a exist path:')
        savemat(rfdep_path, {'RFdepth': RFdepth})