Exemplo n.º 1
0
def reduce_all_cubes_for_map(mapname, lowhigh='high', **kwargs):
    for dataset,maps in make_apex_cubes.datasets_2014.items():
        if mapname in maps:
            date = dataset[-10:]
            both_directions = True
            try:
                make_apex_cubes.build_cube_2014(mapname,
                                                lowhigh=lowhigh,
                                                posang=[50,70],
                                                datasets=[dataset],
                                                extra_suffix='_cal{0}_lscans'.format(date),
                                                **kwargs)
            except IndexError:
                both_directions = False

            try:
                make_apex_cubes.build_cube_2014(mapname,
                                                lowhigh=lowhigh,
                                                posang=[140,160],
                                                datasets=[dataset],
                                                extra_suffix='_cal{0}_bscans'.format(date),
                                                **kwargs)
            except IndexError:
                both_directions = False

            if both_directions:
                fileb = os.path.join(outdir, 'APEX_H2CO_2014_{1}_{2}_cal{0}_bscans.fits'.format(date, mapname, lowhigh))
                filel = os.path.join(outdir, 'APEX_H2CO_2014_{1}_{2}_cal{0}_lscans.fits'.format(date, mapname, lowhigh))

                cubeb = fits.getdata(fileb)
                cubel = fits.getdata(filel)

                if cubeb.shape != cubel.shape:
                    header = FITS_tools.fits_overlap(fileb, filel)
                    hdb = fits.getheader(fileb)
                    # Add back 3rd dimension... HACK
                    for key in hdb:
                        if key[0] == 'C' and key.strip()[-1] == '3':
                            header[key] = hdb[key]

                    FITS_tools.regrid_fits_cube(fileb, outheader=header, outfilename=fileb, clobber=True)
                    FITS_tools.regrid_fits_cube(filel, outheader=header, outfilename=filel, clobber=True)

                cubeb = fits.getdata(fileb)
                cubel = fits.getdata(filel)

                if cubeb.shape != cubel.shape:
                    log.fatal("Cube shapes don't match: {0}, {1}".format(cubeb.shape,cubel.shape))
                    raise ValueError

                cube_comb = plait.plait_cube([cubeb,cubel], angles=[0, 90], scale=5)
                cube_comb_naive = (cubeb+cubel)/2.

                header = fits.getheader(fileb)
                fits.PrimaryHDU(data=cube_comb,
                                header=header).writeto(os.path.join(outdir, '{1}_{2}_cal{0}_plait.fits'.format(date, mapname, lowhigh)),
                                                       clobber=True)
Exemplo n.º 2
0
def reduce_all_cubes_for_map(mapname, lowhigh='high', **kwargs):
    for dataset, maps in make_apex_cubes.datasets_2014.items():
        if mapname in maps:
            date = dataset[-10:]
            both_directions = True
            try:
                make_apex_cubes.build_cube_2014(
                    mapname,
                    lowhigh=lowhigh,
                    posang=[50, 70],
                    datasets=[dataset],
                    extra_suffix='_cal{0}_lscans'.format(date),
                    **kwargs)
            except IndexError:
                both_directions = False

            try:
                make_apex_cubes.build_cube_2014(
                    mapname,
                    lowhigh=lowhigh,
                    posang=[140, 160],
                    datasets=[dataset],
                    extra_suffix='_cal{0}_bscans'.format(date),
                    **kwargs)
            except IndexError:
                both_directions = False

            if both_directions:
                fileb = os.path.join(
                    outdir, 'APEX_H2CO_2014_{1}_{2}_cal{0}_bscans.fits'.format(
                        date, mapname, lowhigh))
                filel = os.path.join(
                    outdir, 'APEX_H2CO_2014_{1}_{2}_cal{0}_lscans.fits'.format(
                        date, mapname, lowhigh))

                cubeb = fits.getdata(fileb)
                cubel = fits.getdata(filel)

                if cubeb.shape != cubel.shape:
                    header = FITS_tools.fits_overlap(fileb, filel)
                    hdb = fits.getheader(fileb)
                    # Add back 3rd dimension... HACK
                    for key in hdb:
                        if key[0] == 'C' and key.strip()[-1] == '3':
                            header[key] = hdb[key]

                    FITS_tools.regrid_fits_cube(fileb,
                                                outheader=header,
                                                outfilename=fileb,
                                                clobber=True)
                    FITS_tools.regrid_fits_cube(filel,
                                                outheader=header,
                                                outfilename=filel,
                                                clobber=True)

                cubeb = fits.getdata(fileb)
                cubel = fits.getdata(filel)

                if cubeb.shape != cubel.shape:
                    log.fatal("Cube shapes don't match: {0}, {1}".format(
                        cubeb.shape, cubel.shape))
                    raise ValueError

                cube_comb = plait.plait_cube([cubeb, cubel],
                                             angles=[0, 90],
                                             scale=5)
                cube_comb_naive = (cubeb + cubel) / 2.

                header = fits.getheader(fileb)
                fits.PrimaryHDU(data=cube_comb,
                                header=header).writeto(os.path.join(
                                    outdir, '{1}_{2}_cal{0}_plait.fits'.format(
                                        date, mapname, lowhigh)),
                                                       clobber=True)
Exemplo n.º 3
0
import FITS_tools
import scipy.stats
from sdpy import plait
from reduce_map_all import reduce_all_cubes_for_map
from astropy import log
from collections import defaultdict

for lowhigh in ('low', 'high'):
    reduce_all_cubes_for_map('MAP_006',
                             lowhigh=lowhigh,
                             calibration_factors=defaultdict(lambda: 1))

    files = glob.glob(os.path.join(paths.april2014path, '*MAP_006*scans.fits'))

    for fn1, fn2 in itertools.combinations(files, 2):
        header = FITS_tools.fits_overlap(fn1, fn2)

    hd = fits.getheader(fn1)
    # Add back 3rd dimension... HACK
    for key in hd:
        if key[0] == 'C' and key.strip()[-1] == '3':
            header[key] = hd[key]

    for fn in files:
        FITS_tools.regrid_fits_cube(fn,
                                    outheader=header,
                                    outfilename=fn,
                                    clobber=True)

    cube530b = fits.getdata(
        os.path.join(
Exemplo n.º 4
0
import itertools
from astropy.io import fits
import FITS_tools
import scipy.stats
from sdpy import plait
from reduce_map_all import reduce_all_cubes_for_map
from astropy import log
from collections import defaultdict

for lowhigh in ('low','high'):
    reduce_all_cubes_for_map('MAP_006', lowhigh=lowhigh, calibration_factors=defaultdict(lambda: 1))

    files = glob.glob(os.path.join(paths.april2014path, '*MAP_006*scans.fits'))

    for fn1,fn2 in itertools.combinations(files, 2):
        header = FITS_tools.fits_overlap(fn1, fn2)

    hd = fits.getheader(fn1)
    # Add back 3rd dimension... HACK
    for key in hd:
        if key[0] == 'C' and key.strip()[-1] == '3':
            header[key] = hd[key]

    for fn in files:
        FITS_tools.regrid_fits_cube(fn, outheader=header, outfilename=fn, clobber=True)


    cube530b = fits.getdata(os.path.join(paths.april2014path, 'APEX_H2CO_2014_MAP_006_{0}_cal2014-05-30_bscans.fits'.format(lowhigh)))
    cube530l = fits.getdata(os.path.join(paths.april2014path, 'APEX_H2CO_2014_MAP_006_{0}_cal2014-05-30_lscans.fits'.format(lowhigh)))
    cube730b = fits.getdata(os.path.join(paths.april2014path, 'APEX_H2CO_2014_MAP_006_{0}_cal2014-07-31_bscans.fits'.format(lowhigh)))
    cube730l = fits.getdata(os.path.join(paths.april2014path, 'APEX_H2CO_2014_MAP_006_{0}_cal2014-07-30_lscans.fits'.format(lowhigh)))