コード例 #1
0
        rebinned_cube_local[:, :, k] = rebinned_slice
        rebinned_u_slice = po.rebin(cube_u[:, :, k], rebinned_shape)  # re-bin 2d array before convolving to make things faster
        rebinned_cube_u_local[:, :, k] = rebinned_u_slice

        if args.debug and k % slice_slab == 0:
            logbook.final_pix_size = args.galsize/np.shape(rebinned_cube_local)[0]
            dummy = po.plotmap(rebinned_cube_local[:, :, k], 'slice ' + str(k) + ': after rebinning', 'junk', 'ergs/s/A/pixel', args, logbook, makelog=True)
            po.mydiag('[' + str(comm.rank) + '] ' + 'Deb 77: in ergs/s/A/pixel: after rebinning', dummy, args)
            print_mpi('Integrated flux in slice '+str(k)+' after convolution (and resampling) = %.4E ergs/s/A'%np.sum(result), args)
        if not args.silent: print_mpi('Rebinned slice ' + str(k) + ' of ' + str(core_end) + ' slices at: {:%Y-%m-%d %H:%M:%S}'.format(datetime.datetime.now()), args)

        if args.debug and slice is not None and k % slice_slab == 0:
            print_mpi('Pausing for 10...', args)
            plt.pause(10)

    comm.Barrier()
    comm.Allreduce(MPI.IN_PLACE, rebinned_cube_local, op=MPI.SUM)
    comm.Allreduce(MPI.IN_PLACE, rebinned_cube_u_local, op=MPI.SUM)
    if rank == 0:
        rebinned_cube_local /= final_res ** 2  # to change units from ergs/s/A/pixel to ergs/s/A/pc^2
        rebinned_cube_local = np.ma.masked_where(rebinned_cube_local < 0., rebinned_cube_local)
        po.write_fits(args.rebinned_filename, rebinned_cube_local, args)
        rebinned_cube_u_local /= final_res ** 2  # to change units from ergs/s/A/pixel to ergs/s/A/pc^2
        rebinned_cube_u_local = np.ma.masked_where(rebinned_cube_u_local < 0., rebinned_cube_u_local)
        po.write_fits(args.rebinned_u_filename, rebinned_cube_u_local, args)

    t_diff = MPI.Wtime() - t_start  ### Stop stopwatch ###
    print_master(
        'Parallely: time taken for rebinning of ' + str(nslice) + ' slices with ' + str(ncores) + ' cores= ' + str(
            t_diff / 60.) + ' min', args)
コード例 #2
0
# python routine to simply change the units of PPV cubes in a folder, by a factor
# -Ayan, May 2017

import os

HOME = os.getenv('HOME') + '/'
from astropy.io import fits
import sys

sys.path.append(HOME + 'models/enzo_model_code/')
import numpy as np
import plotobservables as p

galsize = 26.  # kpc
input_dir = '/avatar/acharyya/enzo_models/ppvcubes3/'
output_dir = '/avatar/acharyya/enzo_models/ppvcubes3b/'
list = os.listdir(input_dir)

for file in list:
    if file[-5:] != '.fits': continue
    data = fits.open(input_dir + file)[0].data
    g = np.shape(data)[0]
    data /= (galsize * 1000. / g)**2  # convert from ergs/s to ergs/s/pc^2
    p.write_fits(output_dir + file, data, fill_val=np.nan)

print 'Finished!'
コード例 #3
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            ' cells', args)
        prefix = '[' + str(rank) + '] '

        comm.Barrier()
        t_start = MPI.Wtime()  ### Start stopwatch ###

        ppv_local, ppv_u_local = po.makeobservable(
            cube, args, logbook, properties, core_start, core_end,
            prefix)  # performing operation on cube

        comm.Barrier()
        comm.Allreduce(MPI.IN_PLACE, ppv_local, op=MPI.SUM)
        comm.Allreduce(MPI.IN_PLACE, ppv_u_local, op=MPI.SUM)
        if rank == 0:
            ppv_local = np.ma.masked_where(ppv_local < 0., ppv_local)
            po.write_fits(logbook.fitsname, ppv_local, args)
            po.write_fits(logbook.fitsname_u, ppv_u_local, args)

        t_diff = MPI.Wtime() - t_start  ### Stop stopwatch ###
        print_master(
            'Parallely: time taken for make-observable of ' + str(nslice) +
            ' slices with ' + str(ncores) + ' cores= ' + str(t_diff / 60.) +
            ' min', args)
    else:
        po.myprint('Making slices to observables, in series...', args)
        time_temp = time.time()
        ppv, ppv_u = po.makeobservable(cube, args, logbook, properties, 0,
                                       nslice,
                                       '')  # performing operation on cube
        po.write_fits(logbook.fitsname, ppv, args)
        po.write_fits(logbook.fitsname_u, ppv_u, args)
コード例 #4
0
                      ' cells at: {:%Y-%m-%d %H:%M:%S}'.format(datetime.datetime.now()), args)

    comm.Barrier()
    comm.Allreduce(MPI.IN_PLACE, mapcube_local, op=MPI.SUM)
    comm.Allreduce(MPI.IN_PLACE, errorcube_local, op=MPI.SUM)

    if rank == 0:
        if args.debug:
            po.myprint(
                'Deb120: Trying to calculate some statistics on the cube of shape ('
                + str(np.shape(mapcube_local)[0]) + ',' +
                str(np.shape(mapcube_local)[1]) + ',' +
                str(np.shape(mapcube_local)[2]) + '), please wait...', args)
            po.mydiag('Deb121: in ergs/s/pc^2: for mapcube', mapcube_local,
                      args)
            po.myprint(
                'Deb120: Trying to calculate some statistics on the cube of shape ('
                + str(np.shape(errorcube_local)[0]) + ',' +
                str(np.shape(errorcube_local)[1]) + ',' +
                str(np.shape(errorcube_local)[2]) + '), please wait...', args)
            po.mydiag('Deb121: in ergs/s/pc^2: for mapcube', errorcube_local,
                      args)
        po.write_fits(logbook.fittedcube, mapcube_local, args)
        po.write_fits(logbook.fittederror, errorcube_local, args)

    t_diff = MPI.Wtime() - t_start  ### Stop stopwatch ###
    print_master(
        'Parallely: time taken for fitting of ' + str(ncells) +
        ' cells with ' + str(ncores) + ' cores= ' + str(t_diff / 60.) + ' min',
        args)
コード例 #5
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        if not args.silent:
            print_mpi(
                'Convolved slice ' + str(k) + ' of ' + str(core_end) +
                ' slices at: {:%Y-%m-%d %H:%M:%S}'.format(
                    datetime.datetime.now()), args)

        if args.debug and slice is not None and k % slice_slab == 0:
            print_mpi('Pausing for 10...', args)
            plt.pause(10)

    comm.Barrier()
    comm.Allreduce(MPI.IN_PLACE, convolved_cube_local, op=MPI.SUM)
    if rank == 0:
        convolved_cube_local = np.ma.masked_where(convolved_cube_local < 0.,
                                                  convolved_cube_local)
        po.write_fits(args.convolved_filename, convolved_cube_local, args)

    t_diff = MPI.Wtime() - t_start  ### Stop stopwatch ###
    print_master(
        'Parallely: time taken for convolution of ' + str(nslice) +
        ' slices with ' + str(ncores) + ' cores= ' + str(t_diff / 60.) +
        ' min', args)
    # -------------------------------------------------------------------------------------------
    '''
    # rank 0 needs buffer space to gather data
    if comm.rank == 0:
        gbuf = np.empty( (np.shape(convolved_cube)[0], np.shape(convolved_cube)[1], ncores) )
    else:
        gbuf = None               
    for i_base in range(0, nslice, ncores):
        k = i_base + comm.rank