Exemplo n.º 1
0
    FLUX = [total_flux * .5, total_flux*.5]
    energies = [parameters.ENERGY_LOW, parameters.ENERGY_HIGH]
    if args.sad:
        FF.pop()
        FLUX.pop()
        energies.pop()

    BEAM = El.beams()[0]
    DET = El.detectors()[0]
    crystal = El.crystals()[0]
    beams = []
    device_Id = rank % n_gpu 
    simsAB = sim_utils.sim_colors(
        crystal, DET, BEAM, FF,
        energies, 
        FLUX, pids=None, profile=profile, cuda=True, oversample=1,
        Ncells_abc=Ncells_abc, mos_dom=mos_doms, mos_spread=mos_spread,
        exposure_s=exposure_s, beamsize_mm=beamsize, device_Id=device_Id, 
        show_params=args.show_params, accumulate=False, crystal_size_mm=xtal_size)

    refls_at_colors = []
    for i_en, en in enumerate(energies):
        beam = deepcopy(BEAM)
        beam.set_wavelength(parameters.ENERGY_CONV/en)
        try:
            # NOTE: this is a multi panel refl table
            R = prediction_utils.refls_from_sims(simsAB[i_en], DET, BEAM, thresh=1e-2)
        except:
            continue
        refls_at_colors.append(R)
        beams.append(beam)
Exemplo n.º 2
0
symm = symmetry(unit_cell=crystal.get_unit_cell(), space_group_info=sgi)
miller_set = symm.build_miller_set(anomalous_flag=True, d_min=1.5, d_max=999)
# NOTE does build_miller_set automatically expand to p1 ? Does it obey systematic absences ?
# Note how to handle sys absences here ?
Famp = flex.double(np.ones(len(miller_set.indices())) * defaultF)
mil_ar = miller.array(miller_set=miller_set, data=Famp).set_observation_type_xray_amplitude()

pinkstride = 50
wavelengths, weights = np.loadtxt("/Users/dermen/pinks/e080_2.lam", float,delimiter=',', skiprows=1).T
wavelengths = wavelengths[::pinkstride]
weights = weights[::pinkstride]

energies = ENERGY_CONV/wavelengths
FLUXES = weights / weights.sum() * total_flux

FF = [mil_ar] + [None]*(len(FLUXES)-1)
#from IPython import embed
#embed()
CUDA = False
device_Id = 0
show_params = False
simsAB = sim_utils.sim_colors(
    crystal, DET, BEAM, FF,
    energies,
    FLUXES, pids=None, profile=profile, cuda=CUDA, oversample=1,
    Ncells_abc=Ncells_abc, mos_dom=1, mos_spread=0,
    master_scale=1,
    exposure_s=exposure_s, beamsize_mm=beamsize, device_Id=device_Id,
    show_params=show_params, accumulate=False, crystal_size_mm=xtal_size)

Exemplo n.º 3
0
    # choose a device Id for GPU
    device_Id = np.random.choice(range(n_gpu))
    # call the simulation helper
    t = time.time()
    simsAB = sim_utils.sim_colors(crystal,
                                  DET,
                                  BEAM,
                                  FF,
                                  energies,
                                  fluences,
                                  pids=panels_with_spots,
                                  profile=profile,
                                  cuda=not args.nocuda,
                                  oversample=1,
                                  Ncells_abc=Ncells_abc,
                                  mos_dom=1,
                                  mos_spread=0,
                                  master_scale=1,
                                  recenter=True,
                                  time_panels=False,
                                  roi_pp=rois_perpanel,
                                  counts_pp=counts_perpanel,
                                  exposure_s=exposure_s,
                                  beamsize_mm=beamsize_mm,
                                  device_Id=device_Id,
                                  show_params=args.show_params,
                                  accumulate=True,
                                  crystal_size_mm=xtal_size)
    tsim = time.time() - t

    datas, sims, i_refs, cents, cents_mm = [], [], [], [], []
    bboxes = []
Exemplo n.º 4
0
        'master_scale': masterscale,
        'gimmie_Patt': True,
        'adc_offset': adc_offset,
        'show_params': args.show_params,
        'crystal_size_mm': xtal_size_mm,
        'time_panels': args.timesimulations,
        'one_sf_array': True
    }  #data_sf[0] is not None and data_sf[1] is None}

    print("Rank %d: SIULATING DATA IMAGE" % rank)
    if args.optimizeoversample:
        oversample = 1
        reference = None
        while 1:
            sim_kwargs['oversample'] = oversample
            simsDataSum, PattFact = sim_utils.sim_colors(
                *sim_args, **sim_kwargs)
            simsDataSum = np.array(simsDataSum)

            if oversample == 1:
                reference = simsDataSum

            else:
                residual = np.abs(reference - simsDataSum)

                where_one_photon = np.where(simsDataSum > 1)
                N_over_sigma = (residual[where_one_photon] > np.sqrt(
                    reference[where_one_photon])).sum()
                print ("Rank%d : Oversample = %d; |Residual| summed = %f; N over sigma: %d" \
                       % (rank, oversample, residual.sum(), N_over_sigma))
                if np.allclose(simsDataSum, reference, atol=4):
                    print(
Exemplo n.º 5
0
def main(rank):

    device_Id = rank % ngpu_per_node
    worker_Id = rank  #node_id*ngpu_per_node + rank  # support for running on multiple N-node GPUs to increase worker pool

    import os
    import sys
    import h5py
    import numpy as np

    from simtbx.nanoBragg import shapetype, nanoBragg
    from scitbx.array_family import flex
    from dxtbx.model.crystal import CrystalFactory
    from dials.algorithms.indexing.compare_orientation_matrices \
        import rotation_matrix_differences, difference_rotation_matrix_axis_angle

    from cxid9114.sf import struct_fact_special
    from cxid9114 import parameters
    from cxid9114.utils import random_rotation
    from cxid9114.sim import sim_utils
    #from cxid9114.refine.jitter_refine import make_param_list
    from cxid9114.geom.single_panel import DET, BEAM
    if args.cspad:  # use a cspad for simulation
        from cxid9114.geom.multi_panel import CSPAD
        #from dxtbx.model import Panel
        # put this new CSPAD in the same plane as the single panel detector (originZ)
        for pid in range(len(CSPAD)):
            CSPAD[pid].set_trusted_range(DET[0].get_trusted_range())
            #node_d = CSPAD[pid].to_dict()
            #node_d["origin"] = node_d["origin"][0], node_d["origin"][1], DET[0].get_origin()[2]
            #CSPAD[pid] = Panel.from_dict(node_d)
        #from IPython import embed
        #embed()
        DET = CSPAD  # rename

    if args.use_rank_as_seed:
        np.random.seed(worker_Id)
    else:
        np.random.seed(args.seed)

    sim_path = os.path.dirname(sim_utils.__file__)
    spectra_file = os.path.join(sim_path, "../spec/realspec.h5")
    sfall_file = os.path.join(sim_path, "../sf/realspec_sfall.h5")

    data_fluxes_all = h5py.File(spectra_file,
                                "r")["hist_spec"][()] / exposure_s
    ave_flux_across_exp = np.mean(data_fluxes_all, axis=0).sum()
    data_sf, data_energies = struct_fact_special.load_sfall(sfall_file)
    if args.datasf:
        print("Loading 4bs7 structure factors!")
        #data_sf = struct_fact_special.load_4bs7_sf()
        data_sf = struct_fact_special.load_p9()
        data_sf = [data_sf] + [None] * (len(data_energies) - 1)

    sad_idx = np.argmin(np.abs(data_energies - 8944))
    sad_range = range(sad_idx - 10, sad_idx + 10)
    n_sad = len(sad_range)
    if args.sad:
        data_sf = [data_sf[0]] + [None] * (n_sad - 1)
        data_energies = np.array([data_energies[i] for i in sad_range])

    beamsize_mm = np.sqrt(np.pi * (beam_diam_mm / 2)**2)

    # TODO: verify this works for all variants of parallelization (multi 8-GPU nodes, multi kernels per GPU etc)
    data_fluxes_worker = np.array_split(
        data_fluxes_all,
        ngpu_per_node * kernels_per_gpu * num_nodes)[worker_Id]

    a, b, c, _, _, _ = data_sf[0].unit_cell().parameters()
    hall = data_sf[0].space_group_info().type().hall_symbol()

    # Each rank (worker)  gets its own output directory
    odir = args.odir
    odirj = os.path.join(odir, "job%d" % worker_Id)
    if not os.path.exists(odirj):
        os.makedirs(odirj)

    print("Rank %d Begin" % worker_Id)
    for i_data in range(args.num_trials):
        h5name = "%s_rank%d_data%d.h5" % (ofile, worker_Id, i_data)
        h5name = os.path.join(odirj, h5name)
        if os.path.exists(h5name) and not args.overwrite:
            print("Job %d: skipping- image %s already exists!" \
                %(worker_Id, h5name))
            continue

        print("<><><><><><><")
        print("Job %d:  trial  %d / %d" %
              (worker_Id, i_data + 1, args.num_trials))
        print("<><><><><><><")

        # If im the zeroth worker I want to show usage statisitcs:
        if worker_Id == 0 and i_data % smi_stride == 0 and cuda:
            print("GPU status")
            os.system("nvidia-smi")

            print("\n\n")
            print("CPU memory usage")
            mem_usg = """ps -U dermen --no-headers -o rss | awk '{ sum+=$1} END {print int(sum/1024) "MB consumed by CPU user"}'"""
            os.system(mem_usg)

        data_fluxes = data_fluxes_worker[i_data]

        if args.sad:
            flux_sum = data_fluxes.sum()
            data_fluxes = data_fluxes[sad_range]
            data_fluxes = data_fluxes / data_fluxes.sum() * flux_sum

        a = np.random.normal(a, args.ucelljitter)
        c = np.random.normal(c, args.ucelljitter)
        cryst_descr = {
            '__id__': 'crystal',  # its al,be,ga = 90,90,90
            'real_space_a': (a, 0, 0),
            'real_space_b': (0, a, 0),
            'real_space_c': (0, 0, c),
            'space_group_hall_symbol': hall
        }
        crystal = CrystalFactory.from_dict(cryst_descr)
        # generate a random scale factor within two orders of magnitude to apply to the image data..
        # rotate the crystal using a known rotation
        #crystal = CrystalFactory.from_dict(cryst_descr)

        randnums = np.random.random(3)
        Rrand = random_rotation(1, randnums)
        crystal.set_U(Rrand.ravel())

        # NOTE: This can be used to simulate jitter in the
        # crystal model, but for now we disable jitter
        #params_lst = make_param_list(crystal, DET, BEAM,
        #    1, rot=0.08, cell=.0000001, eq=(1,1,0),
        #    min_Ncell=23, max_Ncell=24,
        #    min_mos_spread=0.02,
        #    max_mos_spread=0.08)
        #Ctruth = params_lst[0]['crystal']
        Ncells = int(np.random.normal(args.Ncells, args.Ncellsjitter))
        Ncells_abc = (Ncells, Ncells, Ncells)

        # the following will override some parameters
        # to aid simulation of a background image using same pipeline
        if make_background:
            print("MAKING BACKGROUND : just at two colors")
            data_fluxes = [ave_flux_across_exp * .5, ave_flux_across_exp * .5]
            data_energies = [parameters.ENERGY_LOW,
                             parameters.ENERGY_HIGH]  # should be 8944 and 9034
            data_sf = [
                1, 1
            ]  # dont care about structure factors when simulating background water scatter
            Ncells_abc = 10, 10, 10
            only_water = True
        else:
            only_water = False

        xtal_size_mm = args.xtal_size_mm
        if args.xtal_size_jitter is not None:
            xtal_size_mm = np.random.normal(xtal_size_mm,
                                            args.xtal_size_jitter)

        sim_args = [crystal, DET, BEAM, data_sf, data_energies, data_fluxes]
        masterscale = args.masterscale
        if masterscale is not None:
            masterscale = np.random.normal(masterscale, args.masterscalejitter)
        if masterscale < 0.1:  # FIXME: make me more smart
            master_scale = 0.1
        sim_kwargs = {
            'pids': None,
            'profile': args.profile,
            'cuda': cuda,
            'oversample': args.oversample,
            'Ncells_abc': Ncells_abc,
            'accumulate': True,
            'mos_dom': mos_doms,
            'mos_spread': mos_spread,
            'exposure_s': exposure_s,
            'beamsize_mm': beamsize_mm,
            'only_water': only_water,
            'device_Id': device_Id,
            'div_tup': div_tup,
            'master_scale': masterscale,
            'gimmie_Patt': True,
            'adc_offset': adc_offset,
            'show_params': args.show_params,
            'crystal_size_mm': xtal_size_mm,
            'one_sf_array': data_sf[0] is not None and data_sf[1] is None
        }

        print("SIULATING DATA IMAGE")
        if args.optimize_oversample:
            oversample = 1
            reference = None
            while 1:
                sim_kwargs['oversample'] = oversample
                simsDataSum, PattFact = sim_utils.sim_colors(
                    *sim_args, **sim_kwargs)
                simsDataSum = np.array(simsDataSum)

                if oversample == 1:
                    reference = simsDataSum

                else:
                    residual = np.abs(reference - simsDataSum)

                    where_one_photon = np.where(simsDataSum > 1)
                    N_over_sigma = (residual[where_one_photon] > np.sqrt(
                        reference[where_one_photon])).sum()
                    print ("Oversample = %d; |Residual| summed = %f; N over sigma: %d" \
                        % (oversample, residual.sum(), N_over_sigma))
                    if np.allclose(simsDataSum, reference, atol=4):
                        print(
                            "Optimal oversample for current parameters: %d\nGoodbyw"
                            % oversample)
                        sys.exit()
                    reference = simsDataSum
                oversample += 1

        else:
            simsDataSum, PattFact = sim_utils.sim_colors(
                *sim_args, **sim_kwargs)
            #
            spot_scale = PattFact.spot_scale
            simsDataSum = np.array(simsDataSum)
            if args.cspad:
                assert simsDataSum.shape == (64, 185, 194)

        if make_background:
            if args.cspad:
                bg_out = h5py.File(bg_name, "w")
                bg_out.create_dataset("bigsim_d9114", data=simsDataSum)
                np.savez("testbg.npz",
                         img=simsDataSum,
                         det=DET.to_dict(),
                         beam=BEAM.to_dict())
            else:
                bg_out = h5py.File(bg_name, "w")
                bg_out.create_dataset("bigsim_d9114", data=simsDataSum[0])
                np.savez("testbg_mono.npz",
                         img=simsDataSum[0],
                         det=DET.to_dict(),
                         beam=BEAM.to_dict())
            print("Background made! Saved to file %s" % bg_name)
            # force an exit here if making a background...
            sys.exit()

        if add_background:
            print("ADDING BG")
            background = h5py.File(bg_name, "r")['bigsim_d9114'][()]
            if args.cspad:
                assert background.shape == (64, 185, 194)
            # background was made using average flux over all shots, so scale it up/down here
            bg_scale = data_fluxes.sum() / ave_flux_across_exp
            # TODO consider varying the background level to simultate jet thickness jitter
            if args.cspad:
                simsDataSum += background * bg_scale
            else:
                simsDataSum[0] += background * bg_scale

        if add_noise:
            print("ADDING NOISE")
            for pidx in range(len(DET)):
                SIM = nanoBragg(detector=DET, beam=BEAM, panel_id=pidx)
                SIM.beamsize_mm = beamsize_mm
                SIM.exposure_s = exposure_s
                SIM.flux = np.sum(data_fluxes)
                SIM.adc_offset_adu = adc_offset
                #SIM.detector_psf_kernel_radius_pixels = 5
                #SIM.detector_psf_type = shapetype.Unknown  # for CSPAD
                SIM.detector_psf_fwhm_mm = 0
                SIM.quantum_gain = GAIN
                if not args.readoutnoise:
                    SIM.readout_noise_adu = 0
                SIM.raw_pixels = flex.double(simsDataSum[pidx].ravel())
                SIM.add_noise()
                simsDataSum[pidx] = SIM.raw_pixels.as_numpy_array()\
                    .reshape(simsDataSum[pidx].shape)
                SIM.free_all()
                del SIM

        #all_rots =[]
        #from scitbx.matrix import sqr
        #for i_U, U in enumerate(Umats):
        #    Utruth = crystal.get_U()
        #    crystal2 = CrystalFactory.from_dict(cryst_descr)
        #    crystal2.set_U( sqr(U)*sqr(Utruth) )
        #    out = difference_rotation_matrix_axis_angle(crystal, crystal2)
        #    all_rots.append(out[2])
        #assert( np.mean(all_rots) < 1e-7)

        if args.write_img:

            print "SAVING DATAFILE"
            if args.cspad:
                np.savez(h5name + ".npz",
                         img=simsDataSum.astype(np.float32),
                         det=DET.to_dict(),
                         beam=BEAM.to_dict())

            else:
                np.savez(h5name + ".npz",
                         img=simsDataSum[0].astype(np.float32),
                         det=DET.to_dict(),
                         beam=BEAM.to_dict())

            fout = h5py.File(h5name, "w")
            #fout.create_dataset("bigsim_d9114", data=simsDataSum[0].astype(np.float32), compression='lzf')
            fout.create_dataset("crystalA", data=crystal.get_A())
            fout.create_dataset("crystalU", data=crystal.get_U())
            fout.create_dataset("spectrum", data=data_fluxes)
            fout.create_dataset("mos_doms", data=mos_doms)
            fout.create_dataset("mos_spread", data=mos_spread)
            fout.create_dataset("Ncells_abc", data=Ncells_abc)
            fout.create_dataset("divergence_tuple", data=div_tup)
            fout.create_dataset("beamsize_mm", data=beamsize_mm)
            fout.create_dataset("exposure_s", data=exposure_s)
            fout.create_dataset("profile", data=profile)
            fout.create_dataset("xtal_size_mm", data=xtal_size_mm)
            fout.create_dataset("spot_scale", data=spot_scale)
            fout.create_dataset("gain", data=GAIN)
            fout.close()

        print("DonDonee")
Exemplo n.º 6
0
        ###

        t = time.time()

        sims = sim_utils.sim_colors(CRYSTAL,
                                    DETECTOR,
                                    SPECTRUM_BEAM,
                                    [Famp] + [None] * (len(energies) - 1),
                                    energies,
                                    fluxes,
                                    pids=None,
                                    profile="gauss",
                                    cuda=False,
                                    oversample=0,
                                    Ncells_abc=(20, 20, 20),
                                    mos_dom=1,
                                    mos_spread=0,
                                    exposure_s=1,
                                    beamsize_mm=0.001,
                                    device_Id=0,
                                    amorphous_sample_thick_mm=0.200,
                                    add_water=True,
                                    show_params=False,
                                    accumulate=False,
                                    crystal_size_mm=0.01,
                                    printout_pix=None,
                                    time_panels=True)

        tsim = time.time() - t

        panel_images = np.array(sims[0])