def _write_skymodel(self): """Write a fake SkyModel""" skyflux = np.ones((self.nspec, self.nwave)) * 0.1 # Must be less 1 ivar = np.ones((self.nspec, self.nwave)) mask = np.zeros((self.nspec, self.nwave), dtype=int) sky = SkyModel(self.wave, skyflux, ivar, mask, nrej=1) io.write_sky(self.skyfile, sky)
def _write_skymodel(self): """Write a fake SkyModel""" skyflux = np.ones((self.nspec, self.nwave))*0.1 # Must be less 1 ivar = np.ones((self.nspec, self.nwave)) mask = np.zeros((self.nspec, self.nwave), dtype=int) sky = SkyModel(self.wave, skyflux, ivar, mask, nrej=1) io.write_sky(self.skyfile, sky)
def main(): parser = argparse.ArgumentParser( formatter_class=argparse.ArgumentDefaultsHelpFormatter) parser.add_argument('--infile', type=str, default=None, required=True, help='path of DESI exposure frame fits file') parser.add_argument('--fibermap', type=str, default=None, required=True, help='path of DESI exposure frame fits file') parser.add_argument('--fiberflat', type=str, default=None, required=True, help='path of DESI fiberflat fits file') parser.add_argument('--outfile', type=str, default=None, required=True, help='path of DESI sky fits file') args = parser.parse_args() log = get_logger() log.info("starting") # read exposure to load data and get range of spectra frame = read_frame(args.infile) specmin = frame.header["SPECMIN"] specmax = frame.header["SPECMAX"] # read fibermap to locate sky fibers fibermap = read_fibermap(args.fibermap) selection = np.where((fibermap["OBJTYPE"] == "SKY") & (fibermap["FIBER"] >= specmin) & (fibermap["FIBER"] <= specmax))[0] if selection.size == 0: log.error("no sky fiber in fibermap %s" % args.fibermap) sys.exit(12) # read fiberflat fiberflat = read_fiberflat(args.fiberflat) # apply fiberflat to sky fibers apply_fiberflat(frame, fiberflat) # compute sky model skymodel = compute_sky(frame, fibermap) # write result write_sky(args.outfile, skymodel, frame.header) log.info("successfully wrote %s" % args.outfile)
def _write_skymodel(self, camera=None): """Write a fake SkyModel""" skyflux = np.ones((self.nspec, self.nwave)) * 0.1 # Must be less 1 ivar = np.ones((self.nspec, self.nwave)) mask = np.zeros((self.nspec, self.nwave), dtype=int) sky = SkyModel(self.wave, skyflux, ivar, mask, nrej=1) if camera is not None: hdr = fits.Header() hdr['CAMERA'] = camera else: hdr = None io.write_sky(self.skyfile, sky, hdr)
def main(args) : log=get_logger() log.info("starting") # read exposure to load data and get range of spectra frame = read_frame(args.infile) specmin, specmax = np.min(frame.fibers), np.max(frame.fibers) if args.cosmics_nsig>0 : # Reject cosmics reject_cosmic_rays_1d(frame,args.cosmics_nsig) # read fiberflat fiberflat = read_fiberflat(args.fiberflat) # apply fiberflat to sky fibers apply_fiberflat(frame, fiberflat) # compute sky model skymodel = compute_sky(frame,add_variance=(not args.no_extra_variance),\ angular_variation_deg=args.angular_variation_deg,\ chromatic_variation_deg=args.chromatic_variation_deg,\ adjust_wavelength=args.adjust_wavelength,\ adjust_lsf=args.adjust_lsf) # QA if (args.qafile is not None) or (args.qafig is not None): log.info("performing skysub QA") # Load qaframe = load_qa_frame(args.qafile, frame_meta=frame.meta, flavor=frame.meta['FLAVOR']) # Run qaframe.run_qa('SKYSUB', (frame, skymodel)) # Write if args.qafile is not None: write_qa_frame(args.qafile, qaframe) log.info("successfully wrote {:s}".format(args.qafile)) # Figure(s) if args.qafig is not None: qa_plots.frame_skyres(args.qafig, frame, skymodel, qaframe) # record inputs frame.meta['IN_FRAME'] = shorten_filename(args.infile) frame.meta['FIBERFLT'] = shorten_filename(args.fiberflat) # write result write_sky(args.outfile, skymodel, frame.meta) log.info("successfully wrote %s"%args.outfile)
def main() : parser = argparse.ArgumentParser(formatter_class=argparse.ArgumentDefaultsHelpFormatter) parser.add_argument('--infile', type = str, default = None, required=True, help = 'path of DESI exposure frame fits file') parser.add_argument('--fibermap', type = str, default = None, required=True, help = 'path of DESI exposure frame fits file') parser.add_argument('--fiberflat', type = str, default = None, required=True, help = 'path of DESI fiberflat fits file') parser.add_argument('--outfile', type = str, default = None, required=True, help = 'path of DESI sky fits file') args = parser.parse_args() log=get_logger() log.info("starting") # read exposure to load data and get range of spectra frame = read_frame(args.infile) specmin=frame.header["SPECMIN"] specmax=frame.header["SPECMAX"] # read fibermap to locate sky fibers fibermap = read_fibermap(args.fibermap) selection=np.where((fibermap["OBJTYPE"]=="SKY")&(fibermap["FIBER"]>=specmin)&(fibermap["FIBER"]<=specmax))[0] if selection.size == 0 : log.error("no sky fiber in fibermap %s"%args.fibermap) sys.exit(12) # read fiberflat fiberflat = read_fiberflat(args.fiberflat) # apply fiberflat to sky fibers apply_fiberflat(frame, fiberflat) # compute sky model skymodel = compute_sky(frame, fibermap) # write result write_sky(args.outfile, skymodel, frame.header) log.info("successfully wrote %s"%args.outfile)
def main(args): log = get_logger() log.info("starting") # read exposure to load data and get range of spectra frame = read_frame(args.infile) specmin, specmax = np.min(frame.fibers), np.max(frame.fibers) # read fiberflat fiberflat = read_fiberflat(args.fiberflat) # apply fiberflat to sky fibers apply_fiberflat(frame, fiberflat) # compute sky model skymodel = compute_sky(frame) # QA if (args.qafile is not None) or (args.qafig is not None): log.info("performing skysub QA") # Load qaframe = load_qa_frame(args.qafile, frame, flavor=frame.meta['FLAVOR']) # Run qaframe.run_qa('SKYSUB', (frame, skymodel)) # Write if args.qafile is not None: write_qa_frame(args.qafile, qaframe) log.info("successfully wrote {:s}".format(args.qafile)) # Figure(s) if args.qafig is not None: qa_plots.frame_skyres(args.qafig, frame, skymodel, qaframe) # write result write_sky(args.outfile, skymodel, frame.meta) log.info("successfully wrote %s" % args.outfile)
def main(args) : log=get_logger() log.info("starting") # read exposure to load data and get range of spectra frame = read_frame(args.infile) specmin, specmax = np.min(frame.fibers), np.max(frame.fibers) # read fiberflat fiberflat = read_fiberflat(args.fiberflat) # apply fiberflat to sky fibers apply_fiberflat(frame, fiberflat) # compute sky model skymodel = compute_sky(frame) # QA if (args.qafile is not None) or (args.qafig is not None): log.info("performing skysub QA") # Load qaframe = load_qa_frame(args.qafile, frame, flavor=frame.meta['FLAVOR']) # Run qaframe.run_qa('SKYSUB', (frame, skymodel)) # Write if args.qafile is not None: write_qa_frame(args.qafile, qaframe) log.info("successfully wrote {:s}".format(args.qafile)) # Figure(s) if args.qafig is not None: qa_plots.frame_skyres(args.qafig, frame, skymodel, qaframe) # write result write_sky(args.outfile, skymodel, frame.meta) log.info("successfully wrote %s"%args.outfile)