示例#1
0
def writelinepars(fitpars,
                  fiterrors,
                  parinfo,
                  specfile,
                  outfilename,
                  linecmts=None):
    '''
	Write fit parameters out to file.

	Parameters
	----------
	fitpars : list of lists
		Parameters for fit ready for fitter!
	fiterrors : array of numpy vectors
		Error array for the fitting initialized to '0' for each param
	parinfo : array of arrays
		Flags to be used in fit
	specfile : str
		Name of the input file containing the spectrum
	outfilename : str
		Parameter output filename
	linecmts : list of lists, optional
		Reliability flags and comments, e.g., from igmguesses

	'''
    import os
    ### Set outputs and open files
    bigfiletowrite = cfg.largeVPparfile
    filetowrite = outfilename
    if os.path.isfile(filetowrite):
        VPparfile = open(filetowrite, 'wb')
        bigparfile = open(bigfiletowrite, 'ab')  # Append to the running list
    else:
        VPparfile = open(filetowrite, 'wb')
        bigparfile = open(bigfiletowrite, 'wb')

    ### Prep header of line parameter file
    if linecmts is not None:
        header = b'specfile|restwave|zsys|col|sigcol|bval|sigbval|vel|sigvel|nflag|bflag|vflag|vlim1|vlim2|wobs1|wobs2|pix1|pix2|z_comp|trans|rely|comment \n'
    else:
        header = b'specfile|restwave|zsys|col|sigcol|bval|sigbval|vel|sigvel|nflag|bflag|vflag|vlim1|vlim2|wobs1|wobs2|pix1|pix2|z_comp|trans \n'
    VPparfile.write(header)
    bigparfile.write(header)

    ### Grab parameters/info for each line
    for i in range(len(fitpars[0])):
        zline = fitpars[3][i]
        vlim1 = fitpars[5][i]
        vlim2 = fitpars[6][i]
        restwave = fitpars[0][i]
        wobs1 = restwave * (1 + zline + vlim1 / 299792.458)
        wobs2 = restwave * (1 + zline + vlim2 / 299792.458)
        pix1 = jbg.closest(cfg.wave, wobs1)
        pix2 = jbg.closest(cfg.wave, wobs2)
        trans = atomicdata.lam2ion(fitpars[0][i])
        z_comp = ltu.z_from_dv(fitpars[4][i] * u.km / u.s, zline)
        if linecmts is not None:
            towrite = jbg.pipedelimrow([
                specfile, restwave,
                round(zline, 5),
                round(fitpars[1][i], 3),
                round(fiterrors[1][i], 3),
                round(fitpars[2][i], 3),
                round(fiterrors[2][i], 3),
                round(fitpars[4][i], 3),
                round(fiterrors[4][i], 3), parinfo[1][i], parinfo[2][i],
                parinfo[4][i], vlim1, vlim2, wobs1, wobs2, pix1, pix2,
                round(z_comp, 5), trans, linecmts[0][i], linecmts[1][i]
            ])
        else:
            towrite = jbg.pipedelimrow([
                specfile, restwave,
                round(zline, 5),
                round(fitpars[1][i], 3),
                round(fiterrors[1][i], 3),
                round(fitpars[2][i], 3),
                round(fiterrors[2][i], 3),
                round(fitpars[4][i], 3),
                round(fiterrors[4][i], 3), parinfo[1][i], parinfo[2][i],
                parinfo[4][i], vlim1, vlim2, wobs1, wobs2, pix1, pix2,
                round(z_comp, 5), trans
            ])
        VPparfile.write(towrite.encode())
        bigparfile.write(towrite.encode())
    VPparfile.close()
    bigparfile.close()
    print('Line parameters written to:')
    print(filetowrite)
示例#2
0
def writelinepars(fitpars,fiterrors,parinfo, specfile, outfilename, linecmts=None):
	'''
	Write fit parameters out to file.

	Parameters
	----------
	fitpars : list of lists
		Parameters for fit ready for fitter!
	fiterrors : array of numpy vectors
		Error array for the fitting initialized to '0' for each param
	parinfo : array of arrays
		Flags to be used in fit
	specfile : str
		Name of the input file containing the spectrum
	outfilename : str
		Parameter output filename
	linecmts : list of lists, optional
		Reliability flags and comments, e.g., from igmguesses

	'''
	import os
	### Set outputs and open files
	bigfiletowrite = cfg.largeVPparfile
	filetowrite = outfilename
	if os.path.isfile(filetowrite):
		VPparfile = open(filetowrite, 'wb')
		bigparfile = open(bigfiletowrite, 'ab') # Append to the running list
	else:
		VPparfile = open(filetowrite, 'wb')
		bigparfile = open(bigfiletowrite, 'wb')

	### Prep header of line parameter file
	if linecmts is not None:
		header = 'specfile|restwave|zsys|col|sigcol|bval|sigbval|vel|sigvel|nflag|bflag|vflag|vlim1|vlim2|wobs1|wobs2|pix1|pix2|z_comp|trans|rely|comment \n'
	else:
		header = 'specfile|restwave|zsys|col|sigcol|bval|sigbval|vel|sigvel|nflag|bflag|vflag|vlim1|vlim2|wobs1|wobs2|pix1|pix2|z_comp|trans \n'
	VPparfile.write(header)
	bigparfile.write(header)

	### Grab parameters/info for each line
	for i in range(len(fitpars[0])):
		zline = fitpars[3][i]
		vlim1 = fitpars[5][i]
		vlim2 = fitpars[6][i]
		restwave = fitpars[0][i]
		wobs1 = restwave * (1 + zline + vlim1 / 299792.458)
		wobs2 = restwave * (1 + zline + vlim2 / 299792.458)
		pix1 = jbg.closest(cfg.wave, wobs1)
		pix2 = jbg.closest(cfg.wave, wobs2)
		trans = atomicdata.lam2ion(fitpars[0][i])
		z_comp = ltu.z_from_dv(fitpars[4][i]*u.km/u.s, zline)
		if linecmts is not None:
			towrite = jbg.pipedelimrow(
				[specfile, restwave, round(zline, 5), round(fitpars[1][i], 3), round(fiterrors[1][i], 3),
				 round(fitpars[2][i], 3), round(fiterrors[2][i], 3), round(fitpars[4][i], 3), round(fiterrors[4][i], 3),
				 parinfo[1][i], parinfo[2][i], parinfo[4][i], vlim1, vlim2, wobs1, wobs2, pix1, pix2,round(z_comp, 5), trans,
				 linecmts[0][i],linecmts[1][i]])
		else:
			towrite = jbg.pipedelimrow(
				[specfile, restwave, round(zline, 5), round(fitpars[1][i], 3), round(fiterrors[1][i], 3),
				 round(fitpars[2][i], 3), round(fiterrors[2][i], 3), round(fitpars[4][i], 3), round(fiterrors[4][i], 3),
				 parinfo[1][i], parinfo[2][i], parinfo[4][i], vlim1, vlim2, wobs1, wobs2, pix1, pix2, round(z_comp, 5),trans])
		VPparfile.write(towrite)
		bigparfile.write(towrite)
	VPparfile.close()
	bigparfile.close()
	print('Line parameters written to:')
	print(filetowrite)