import os, shutil
from kai.reduce import util
from astropy.table import Table
import numpy as np
from astropy.io import fits
from astropy.table import Table
from kai.reduce import kai_util
from kai.reduce import calibrate
from kai.reduce import align_rms
from kai import instruments
from kai import strehl
from datetime import datetime
import subprocess
import pylab as py
import pdb
[docs]class Analysis(object):
"""
Object that will perform our standard post-data-reduction analysis.
This includes running starfinder, calibrating, and extracting positional
and photometric errors via align_rms.
"""
def __init__(self, epoch, rootDir='/g/lu/data/orion/', filt='kp',
clean_dir = None, combo_dir = None,
combo_stf_dir = None,
epochDirSuffix=None, imgSuffix=None, stfDir=None,
useDistorted=False, cleanList='c.lis',
airopa_mode='single', stf_version=None,
instrument=instruments.default_inst):
"""
Set up Analysis object.
Parameters
----------
epoch : str
Name of the combo epoch
rootDir : str, default='/g/lu/data/orion/'
Path of the root directory
filt : str, default='kp'
Name of the filter of reduction
clean_dir : str, optional
Directory where clean files are stored. By default,
assumes that clean files are stored in '../clean'
combo_dir : str, optional
Directory where combo files are stored. By default,
assumes that combo files are stored in '../combo'
combo_stf_dir : str, optional
Directory where starfinder files will be stored. By default,
starfinder output is stored in '../combo/starfinder/'
airopa_mode : str, default='single'
The airopa mode to use. Available options are 'legacy', 'single',
or 'variable'.
stf_version : str, default=None
If specified, adds a version suffix to the starfinder directory
(e.g.: 'v3_1')
instrument : instruments object, optional
Instrument of data. Default is `instruments.default_inst`
"""
# Setup default parameters
self.type = 'ao'
self.corrMain = 0.8
self.corrSub = 0.6
self.corrClean = 0.7
# airopa mode can be "legacy", "single", or "variable"
self.airopa_mode = airopa_mode
self.trimfake = 1
self.stfFlags = ''
self.starlist = rootDir + 'source_list/psf_central.dat'
self.labellist = rootDir+ 'source_list/label.dat'
self.orbitlist = rootDir+ 'source_list/orbits.dat'
self.calFile = rootDir + 'source_list/photo_calib.dat'
# Keep track of the instrument these images are from.
# We need this to get things like plate scale, etc.
self.instrument = instrument
self.calStars = ['irs16NW', 'S3-22', 'S1-17', 'S1-34', 'S4-3', 'S1-1',
'S1-21', 'S3-370', 'S3-88', 'S3-36', 'S2-63']
self.calFlags = '-f 1 -R '
self.mapFilter2Cal = {'kp': 'Kp', 'h': 'H', 'lp': 'Lp_o1', 'ms': 'Ms_o1'}
if 'kp' in filt:
self.calColumn = self.mapFilter2Cal['kp']
elif 'J' in filt:
self.calColumn = 'K_o2'
elif filt in self.mapFilter2Cal: # case for Maser mosaic, deep mosaic
self.calColumn = self.mapFilter2Cal[filt]
else: #default to kp if filt not in mapFilter2Cal. Consider other solution to deal with unexpected filt
self.calColumn = self.mapFilter2Cal['kp']
self.calCooStar = 'irs16C'
self.cooStar = 'irs16C'
self.deblend = None
self.alignFlags = '-R 3 -v -p -a 0'
self.numSubMaps = 3
self.minSubMaps = 3
# Setup input parameters
self.epoch = epoch
self.rootDir = rootDir
if not self.rootDir.endswith('/'):
self.rootDir += '/'
self.filt = filt
if epochDirSuffix != None:
self.suffix = '_' + epochDirSuffix
else:
self.suffix = ''
if imgSuffix != None:
self.imgSuffix = '_' + imgSuffix
else:
self.imgSuffix = ''
# Setup Directories
# Epoch directory
self.dirEpoch = self.rootDir + self.epoch + self.suffix + '/'
# Clean directory
self.dirClean = self.dirEpoch + 'clean/' + self.filt + '/'
if clean_dir is not None:
self.dirClean = util.trimdir(os.path.abspath(clean_dir) + '/'
+ self.filt + '/')
if useDistorted:
self.dirClean += 'distort/'
if stfDir is not None:
self.dirCleanStf = self.dirClean + 'starfinder/' + stfDir + '/'
else:
self.dirCleanStf = self.dirClean + 'starfinder/'
self.dirCleanAln = self.dirCleanStf + 'align/'
# Combo directory
self.dirCombo = self.dirEpoch + 'combo/'
if combo_dir is not None:
self.dirCombo = util.trimdir(os.path.abspath(combo_dir) + '/')
# Starfinder directory
starfinder_dir_name = 'starfinder/'
if stf_version is not None:
starfinder_dir_name = 'starfinder_{0}/'.format(stf_version)
if stfDir is not None:
self.dirComboStf = self.dirCombo + starfinder_dir_name + stfDir + '/'
else:
self.dirComboStf = self.dirCombo + starfinder_dir_name
if combo_stf_dir is not None:
self.dirComboStf = util.trimdir(os.path.abspath(combo_stf_dir)
+ '/')
if stfDir is not None:
self.dirComboStf = self.dirComboStf + starfinder_dir_name + stfDir + '/'
else:
self.dirComboStf = self.dirComboStf + starfinder_dir_name
self.dirComboAln = self.dirComboStf + 'align/'
# make the directories if we need to
if cleanList != None:
util.mkdir(self.dirCleanStf)
util.mkdir(self.dirCleanAln)
util.mkdir(self.dirComboStf)
util.mkdir(self.dirComboAln)
# Get the list of clean files to work on
self.cleanList = cleanList
self.cleanFiles = []
if cleanList != None:
_list = Table.read(self.dirClean + self.cleanList, format='ascii.no_header')
for ii in range(len(_list)):
fields = _list[_list.colnames[0]][ii].split('/')
filename = fields[-1].replace('.fits', '')
self.cleanFiles.append(filename)
# Keep track of the current directory we started in
self.dirStart = os.getcwd()
# Set the default magnitude cut for plotPosError
self.plotPosMagCut = 15.0
[docs] def prepStarfinder(self, targetName, targetCoords, psfStars, filterName):
"""Creates a _psf.list file and saves it in the source_list/ directory."""
# Covering possible variable inputs and initializing
targetName = targetName.lower()
filterName = filterName.capitalize()
targetCoords = targetCoords[:]
psfListLocation = self.rootDir + 'source_list/' + targetName + '_psf.list'
year = date.today().strftime("%Y" + ".0")
# Modifying the starlist provided into an astropy table
starno = 0
for star in psfStars:
star[0] = "{:.3f}".format(((star[0] - targetCoords[0]) * (9.942 / 1000) * -1))
star[1] = "{:.3f}".format(((star[1] - targetCoords[1]) * (9.942 / 1000)))
star.insert(0, "1.000")
if starno > 0:
star.insert(0, "S" + str(starno).zfill(3))
else:
star.insert(0, targetName)
star.insert(4, "-")
star.insert(4, year)
star.insert(4, "0.000")
star.insert(4, "0.000")
starno += 1
psfStars = np.array(psfStars)
psfStarTable = Table(psfStars, names = ('#Name', 'Kp', 'Xarc',
'Yarc', 'Vx', 'Vy',
't0', 'Filt', 'PSF?'))
ascii.write(psfStarTable, psfListLocation,
format = 'fixed_width',
delimiter = ' ',
bookend = False,
overwrite = True)
[docs] def analyzeCombo(self):
self.starfinderCombo()
self.calibrateCombo()
self.alignCombo()
[docs] def analyzeClean(self):
self.starfinderClean()
self.calibrateClean()
self.alignClean()
[docs] def analyzeComboClean():
self.starfinderCombo()
self.starfinderClean()
self.calibrateCombo()
self.calibrateClean()
self.alignCombo()
self.alignClean()
[docs] def starfinderCombo(self, oldPsf=False):
try:
print('COMBO starfinder')
print('Coo Star: ' + self.cooStar)
os.chdir(self.dirComboStf)
if self.type == 'ao':
# Write an IDL batch file
fileIDLbatch = 'idlbatch_combo_' + self.filt
fileIDLlog = fileIDLbatch + '.log'
util.rmall([fileIDLlog, fileIDLbatch])
_batch = open(fileIDLbatch, 'w')
_batch.write("find_stf_new, ")
_batch.write("'" + self.epoch + "', ")
_batch.write("'" + self.filt + "', ")
_batch.write("corr_main=%3.1f, " % self.corrMain)
_batch.write("corr_subs=%3.1f, " % self.corrSub)
# Only send in the deblend flag if using it!
if self.deblend != None:
_batch.write("deblend=" + str(self.deblend) + ", ")
_batch.write("cooStar='" + self.cooStar + "', ")
_batch.write("suffixEpoch='" + self.suffix + "', ")
_batch.write("imgSuffix='" + self.imgSuffix + "', ")
_batch.write("starlist='" + self.starlist + "', ")
if self.airopa_mode == 'legacy':
_batch.write("/legacy, ")
if self.airopa_mode == 'variable':
_batch.write("/aoopt, ")
_batch.write("trimfake=" + str(self.trimfake) + ", ")
if not oldPsf:
_batch.write("/makePsf, ")
_batch.write("rootDir='" + self.rootDir + "'")
# Support for arbitrary starfinder flags.
_batch.write(self.stfFlags)
_batch.write("\n")
_batch.write("exit\n")
_batch.close()
elif self.type == 'speckle':
fileIDLbatch = 'idlbatch_combo'
fileIDLlog = fileIDLbatch + '.log'
util.rmall([fileIDLlog, fileIDLbatch])
_batch = open(fileIDLbatch, 'w')
_batch.write("find_new_speck, ")
_batch.write("'" + self.epoch + "', ")
_batch.write("corr_main=%3.1f, " % self.corrMain)
_batch.write("corr_subs=%3.1f, " % self.corrSub)
_batch.write("starlist='" + self.starlist + "', ")
if self.airopa_mode == 'legacy':
_batch.write("/legacy, ")
# Variable mode isn't supported for Speckle data.
# if mode == 'variable':
# _batch.write("/aoopt, ")
if not oldPsf:
_batch.write("/makePsf, ")
_batch.write("rootDir='" + self.rootDir + "'")
# Support for arbitrary starfinder flags.
_batch.write(self.stfFlags)
_batch.write("\n")
_batch.write("exit\n")
_batch.close()
cmd = 'idl < ' + fileIDLbatch + ' >& ' + fileIDLlog
#os.system(cmd)
subp = subprocess.Popen(cmd, shell=True, executable="/bin/tcsh")
tmp = subp.communicate()
# Write data_sources file
data_sources_file = open(self.dirComboStf + '/data_sources.txt', 'w')
data_sources_file.write('---\n# Starfinder run on image files\n')
# Copy over the starfinder FITS files to the current directory
epoch_file_root = 'mag{0}_{1}'.format(self.epoch, self.filt)
shutil.copyfile(self.dirCombo + epoch_file_root + '_back.fits',
epoch_file_root + '_back.fits')
shutil.copyfile(self.dirCombo + epoch_file_root + '_psf.fits',
epoch_file_root + '_psf.fits')
shutil.copyfile(self.dirCombo + epoch_file_root + '_res.fits',
epoch_file_root + '_res.fits')
shutil.copyfile(self.dirCombo + epoch_file_root + '_stars.fits',
epoch_file_root + '_stars.fits')
out_line = '{0} from {1}{2} ({3})\n'.format(
epoch_file_root + '.fits', self.dirCombo,
epoch_file_root + '.fits', datetime.now())
data_sources_file.write(out_line)
# Copy over submap starfinder FITS files to the current directory
epoch_sub_root = 'm{0}_{1}'.format(self.epoch, self.filt)
for cur_sub_index in range(self.numSubMaps):
cur_sub_str = str(cur_sub_index + 1)
shutil.copyfile(self.dirCombo + epoch_sub_root + '_' + cur_sub_str + '_back.fits',
epoch_sub_root + '_' + cur_sub_str + '_back.fits')
shutil.copyfile(self.dirCombo + epoch_sub_root + '_' + cur_sub_str + '_psf.fits',
epoch_sub_root + '_' + cur_sub_str + '_psf.fits')
shutil.copyfile(self.dirCombo + epoch_sub_root + '_' + cur_sub_str + '_res.fits',
epoch_sub_root + '_' + cur_sub_str + '_res.fits')
shutil.copyfile(self.dirCombo + epoch_sub_root + '_' + cur_sub_str + '_stars.fits',
epoch_sub_root + '_' + cur_sub_str + '_stars.fits')
out_line = '{0} from {1}{2} ({3})\n'.format(
epoch_sub_root + '_' + cur_sub_str + '.fits', self.dirCombo,
epoch_sub_root + '_' + cur_sub_str + '.fits',
datetime.now())
data_sources_file.write(out_line)
# Close data_sources file
data_sources_file.close()
# Copy over the PSF starlist that was used (for posterity).
outPsfs = 'mag%s%s_%s_psf_list.txt' % (self.epoch, self.imgSuffix, self.filt)
shutil.copyfile(self.starlist, outPsfs)
# Run the Strehl calculator to calculate Strehl on StarFinder PSFs
# Need list of PSFs file and coo files associated with each PSF file
psf_file_list = []
cur_psf_file = epoch_file_root + '_psf.fits'
cur_coo_file = epoch_file_root + '_psf.coo'
psf_img, psf_hdr = fits.getdata(cur_psf_file, header=True)
(psf_y_size, psf_x_size) = psf_img.shape
psf_x_coord = psf_x_size/2.0
psf_y_coord = psf_y_size/2.0
coo_output = ' {0:.3f} {1:.3f}'.format(psf_x_coord, psf_y_coord)
psf_file_list.append(cur_psf_file)
with open(cur_coo_file, 'w') as out_coo_file:
out_coo_file.write(coo_output)
for cur_sub_index in range(self.numSubMaps):
cur_sub_str = str(cur_sub_index + 1)
cur_psf_file = epoch_sub_root + '_' + cur_sub_str + '_psf.fits'
cur_coo_file = epoch_sub_root + '_' + cur_sub_str + '_psf.coo'
psf_file_list.append(cur_psf_file)
with open(cur_coo_file, 'w') as out_coo_file:
out_coo_file.write(coo_output)
strehl.calc_strehl(psf_file_list,
'stf_psf_strehl_{0}.txt'.format(self.filt),
instrument=self.instrument)
os.chdir(self.dirStart)
except:
os.chdir(self.dirStart)
raise
[docs] def starfinderClean(self):
try:
print('CLEAN starfinder')
os.chdir(self.dirCleanStf)
# Write an IDL batch file
fileIDLbatch = 'idlbatch_clean_' + self.filt
fileIDLlog = fileIDLbatch + '.log'
util.rmall([fileIDLlog, fileIDLbatch])
_batch = open(fileIDLbatch, 'w')
_batch.write("find_stf_clean, ")
_batch.write("'" + self.epoch + "', ")
_batch.write("'" + self.filt + "', ")
_batch.write("corr=" + str(self.corrClean) + ", ")
_batch.write("cooStar='" + self.cooStar + "', ")
_batch.write("suffixEpoch='" + self.suffix + "', ")
_batch.write("starlist='" + self.starlist + "', ")
_batch.write("fileList='" + self.cleanList + "', ")
if self.airopa_mode == 'legacy':
_batch.write("/legacy, ")
if self.airopa_mode == 'variable':
_batch.write("/aoopt, ")
_batch.write("trimfake=" + str(self.trimfake) + ", ")
_batch.write("rootDir='" + self.rootDir + "'")
# Support for arbitrary starfinder flags.
_batch.write(self.stfFlags)
_batch.write("\n")
_batch.write("exit\n")
_batch.close()
cmd = 'idl < ' + fileIDLbatch + ' >& ' + fileIDLlog
#os.system(cmd)
subp = subprocess.Popen(cmd, shell=True, executable="/bin/tcsh")
tmp = subp.communicate()
# Copy over the PSF starlist that was used (for posterity).
outPsfs = 'c_%s_%s_psf_list.txt' % (self.epoch, self.filt)
shutil.copyfile(self.starlist, outPsfs)
os.chdir(self.dirStart)
except:
os.chdir(self.dirStart)
raise
[docs] def starfinderCleanLoop(self):
try:
print('CLEAN starfinder loop')
os.chdir(self.dirCleanStf)
for i, filename in enumerate(self.cleanFiles):
# Write an IDL batch file
fileIDLbatch = filename + '_idlbatch'
fileIDLlog = fileIDLbatch + '.log'
util.rmall([fileIDLlog, fileIDLbatch])
_batch = open(fileIDLbatch, 'w')
_batch.write("find_stf, ")
_batch.write("'" + self.dirClean + filename + ".fits', ")
_batch.write("[" + str(self.corrClean) + "], ")
if self.airopa_mode =='single':
_batch.write("aoopt=0, ")
elif self.airopa_mode == 'legacy':
_batch.write("/legacy, ")
elif self.airopa_mode == 'variable':
_batch.write("/aoopt, ")
# Support for arbitrary starfinder flags.
_batch.write(self.stfFlags)
_batch.write("starlist='" + self.starlist + "', ")
_batch.write("cooStar='" + self.cooStar + "'") #no trailing comma for final parameter
_batch.write("\n")
_batch.write("exit\n")
_batch.close()
cmd = 'idl < ' + fileIDLbatch + ' >& ' + fileIDLlog
#os.system(cmd)
print('Running', cmd)
subp = subprocess.Popen(cmd, shell=True, executable="/bin/tcsh")
tmp = subp.communicate()
# Copy over the PSF starlist that was used (for posterity).
outPsfs = 'c_%s_%s_psf_list.txt' % (self.epoch, self.filt)
shutil.copyfile(self.starlist, outPsfs)
os.chdir(self.dirStart)
except:
os.chdir(self.dirStart)
raise
[docs] def calibrateCombo(self):
try:
print('COMBO calibrate')
# Get the position angle from the *.fits header
# We assume that the submaps have the same PA as the main maps
os.chdir(self.dirCombo)
calCamera = 1
if self.type == 'ao':
fitsFile = 'mag%s%s_%s.fits' % (self.epoch, self.imgSuffix, self.filt)
hdr = fits.getheader(fitsFile)
angle = self.instrument.get_position_angle(hdr)
print(self.instrument.name)
# Check for wide camera
calCamera = calibrate.get_camera_type(fitsFile)
elif self.type == 'speckle':
angle = 0.0
fitsFile = 'mag%s.fits' % self.epoch
# CALIBRATE
os.chdir(self.dirComboStf)
cmd = 'calibrate_new %s' % self.calFlags
cmd += '-T %.1f ' % angle
cmd += '-I %s ' % self.calCooStar
cmd += '-N %s ' % self.calFile
cmd += '-M %s ' % self.calColumn
cmd += '-c %d ' % calCamera
cmd += '-V '
if (self.calStars != None) and (len(self.calStars) > 0):
cmd += '-S '
for cc in range(len(self.calStars)):
if (cc != 0):
cmd += ','
cmd += self.calStars[cc]
cmd += ' '
# Calibrate Main Map
if self.type == 'speckle': # This stuff is left over.
fileMain = 'mag%s_%3.1f_stf.lis' % \
(self.epoch, self.corrMain)
else:
if self.deblend == 1:
fileMain = 'mag%s%s_%s_%3.1fd_stf.lis' % \
(self.epoch, self.imgSuffix, self.filt, self.corrMain)
else:
fileMain = 'mag%s%s_%s_%3.1f_stf.lis' % \
(self.epoch, self.imgSuffix, self.filt, self.corrMain)
print(cmd + fileMain)
# Now call from within python... don't bother with command line anymore.
argsTmp = cmd + fileMain
args = argsTmp.split()[1:]
calibrate.main(args)
# Copy over the calibration list.
shutil.copyfile(self.calFile, fileMain.replace('.lis', '_cal_phot_list.txt'))
# Calibrate Sub Maps
for ss in range(self.numSubMaps):
if self.type == 'speckle':
fileSub = 'm%s_%d_%3.1f_stf.lis' % \
(self.epoch, ss+1, self.corrSub)
else:
if self.deblend == 1:
fileSub = 'm%s%s_%s_%d_%3.1fd_stf.lis' % \
(self.epoch, self.imgSuffix, self.filt, ss+1, self.corrSub)
else:
fileSub = 'm%s%s_%s_%d_%3.1f_stf.lis' % \
(self.epoch, self.imgSuffix, self.filt, ss+1, self.corrSub)
print(cmd + fileSub)
argsTmp = cmd + fileSub
args = argsTmp.split()[1:]
calibrate.main(args)
os.chdir(self.dirStart)
except:
os.chdir(self.dirStart)
raise
[docs] def calibrateClean(self):
try:
# Calibrate each file
os.chdir(self.dirCleanStf)
print("DEBUG 2nd dec --",self.dirCleanStf)
# open writeable file for log
_log = open('calibrate.log','w')
cmdBase = 'calibrate_new %s ' % self.calFlags
cmdBase += '-I %s ' % self.calCooStar
cmdBase += '-N %s ' % self.calFile
cmdBase += '-M %s ' % self.calColumn
if (self.calStars != None) and (len(self.calStars) > 0):
cmdBase += '-S '
for cc in range(len(self.calStars)):
if (cc != 0):
cmdBase += ','
cmdBase += self.calStars[cc]
cmdBase += ' '
for file in self.cleanFiles:
fitsFile = '../%s.fits' % file
listFile = '%s_%3.1f_stf.lis' % (file, self.corrClean)
# Get the position angle
angle = float(fits.getval(fitsFile, 'ROTPOSN')) - 0.7
calCamera = calibrate.get_camera_type(fitsFile)
cmd = cmdBase + ('-T %.1f -c %d ' % (angle, calCamera))
cmd += listFile
# 2nd dec 2009 - changed "_out" "_log"
_log.write(cmd + '\n')
args = cmd.split()[1:]
calibrate.main(args)
_log.close() # clean up
# Copy over the calibration list.
shutil.copyfile(self.calFile, 'clean_phot_list.txt')
os.chdir(self.dirStart)
except:
os.chdir(self.dirStart)
raise
[docs] def alignCombo(self):
print('ALIGN_RMS combo')
if self.type == 'ao':
file_ext = '_' + self.filt
else:
file_ext = self.filt
try:
os.chdir(self.dirCombo)
# Get the align data type
if self.type == 'ao':
fitsFile = 'mag%s%s_%s.fits' % (self.epoch, self.imgSuffix, self.filt)
elif self.type == 'speckle':
fitsFile = 'mag%s.fits' % self.epoch
hdr = fits.getheader(fitsFile)
alignType = self.instrument.get_align_type(hdr, errors=False)
os.chdir(self.dirComboAln)
# Put the files in to the align*.list file
alnList1 = 'align%s%s_%3.1f.list' % (self.imgSuffix, file_ext, self.corrMain)
alnList2 = 'align%s%s_%3.1f_named.list' % (self.imgSuffix, file_ext, self.corrMain)
_list = open(alnList1, 'w')
if self.deblend == 1:
_list.write('../mag%s%s%s_%3.1fd_stf_cal.lis %d ref\n' %
(self.epoch, self.imgSuffix, file_ext, self.corrMain, alignType))
else:
_list.write('../mag%s%s%s_%3.1f_stf_cal.lis %d ref\n' %
(self.epoch, self.imgSuffix, file_ext, self.corrMain, alignType))
for ss in range(self.numSubMaps):
if self.deblend == 1:
_list.write('../m%s%s%s_%d_%3.1fd_stf_cal.lis %d\n' %
(self.epoch, self.imgSuffix, file_ext, ss+1, self.corrSub, alignType))
else:
_list.write('../m%s%s%s_%d_%3.1f_stf_cal.lis %d\n' %
(self.epoch, self.imgSuffix, file_ext, ss+1, self.corrSub, alignType))
_list.close()
shutil.copyfile(alnList1, alnList2)
# Make an unlabeled version
cmd = 'java -Xmx1024m align %s ' % (self.alignFlags)
cmd += '-r align%s%s_%3.1f ' % (self.imgSuffix, file_ext, self.corrMain)
cmd += alnList1
print(cmd)
#os.system(cmd)
subp = subprocess.Popen(cmd, shell=True, executable="/bin/tcsh")
tmp = subp.communicate()
# Make a named/labeled version
cmd = 'java -Xmx1024m align %s ' % (self.alignFlags)
cmd += '-N %s ' % self.labellist
if (self.orbitlist != None) and (self.orbitlist != ''):
cmd += '-o %s ' % self.orbitlist
cmd += '-r align%s%s_%3.1f_named ' % (self.imgSuffix, file_ext, self.corrMain)
cmd += alnList2
print(cmd)
subp = subprocess.Popen(cmd, shell=True, executable="/bin/tcsh")
tmp = subp.communicate()
align_options = 'align%s%s_%3.1f %d -e' % \
(self.imgSuffix, file_ext, self.corrMain, self.minSubMaps)
align_rms.run(align_options.split())
align_options = 'align%s%s_%3.1f_named %d -e' % \
(self.imgSuffix, file_ext, self.corrMain, self.minSubMaps)
align_rms.run(align_options.split())
# Move the resulting files to their final resting place
os.rename('align%s%s_%3.1f_rms.lis' %
(self.imgSuffix, file_ext, self.corrMain),
'../mag%s%s%s_rms.lis' %
(self.epoch, self.imgSuffix, file_ext))
os.rename('align%s%s_%3.1f_named_rms.lis' %
(self.imgSuffix, file_ext, self.corrMain),
'../mag%s%s%s_rms_named.lis' %
(self.epoch, self.imgSuffix, file_ext))
# Copy over the label.dat and orbit.dat file that was used.
shutil.copyfile(self.labellist,
'align%s%s_%3.1f_named_label_list.txt' %
(self.imgSuffix, file_ext, self.corrMain))
if (self.orbitlist != None) and (self.orbitlist != ''):
shutil.copyfile(self.orbitlist,
'align%s%s_%3.1f_named_orbit_list.txt' %
(self.imgSuffix, file_ext, self.corrMain))
# Now plot up the results
plotSuffix = self.imgSuffix + file_ext
os.chdir(self.dirComboStf)
plotPosError('mag%s%s%s_rms.lis' % (self.epoch, self.imgSuffix, file_ext),
raw=True, suffix=plotSuffix, magCutOff=self.plotPosMagCut)
os.chdir(self.dirStart)
except:
os.chdir(self.dirStart)
raise
[docs] def alignClean(self):
try:
os.chdir(self.dirClean)
# Get the align data type
fitsFile = self.cleanFiles[0] + '.fits'
hdr = fits.getheader(fitsFile)
alignType = instrument.get_align_type(hdr, errors=False)
alignCombo = alignType + 1
# Make the align*.list file
os.chdir(self.dirCleanAln)
alnList = 'align_%s%s_%3.1f.list' % (self.imgSuffix, self.filt, self.corrClean)
_list = open(alnList, 'w')
# copy main map into it
_list.write('%smag%s%s_%s_rms.lis %d ref\n' %
(self.dirComboStf, self.epoch, self.imgSuffix, self.filt, alignCombo))
# Add each clean file
for ff in self.cleanFiles:
_list.write('../%s_%3.1f_stf_cal.lis %d\n' %
(ff, self.corrClean, alignType))
_list.close()
# Run align
cmd = 'java -Xmx1024m align %s ' % (self.alignFlags)
cmd += '-N %s ' % self.labellist
if (self.orbitlist != None) and (self.orbitlist != ''):
cmd += '-o %s ' % self.orbitlist
cmd += '-r align_%s%s_%3.1f_named ' % (self.imgSuffix, self.filt, self.corrClean)
cmd += alnList
#os.system(cmd)
subp = subprocess.Popen(cmd, shell=True, executable="/bin/tcsh")
tmp = subp.communicate()
# Copy over the label.dat file that was used.
shutil.copyfile(self.labellist,
'align_%s%s_%3.1f_named_label_list.txt' %
(self.imgSuffix, self.filt, self.corrClean))
if (self.orbitlist != None) and (self.orbitlist != ''):
shutil.copyfile(self.orbitlist,
'align_%s%s_%3.1f_named_orbit_list.txt' %
(self.imgSuffix, self.filt, self.corrClean))
os.chdir(self.dirStart)
except:
os.chdir(self.dirStart)
raise
[docs]def plotPosError(starlist, raw=False, suffix='', radius=4, magCutOff=15.0,
title=True):
"""
Make three standard figures that show the data quality
from a *_rms.lis file.
1. astrometric error as a function of magnitude.
2. photometric error as a function of magnitude.
3. histogram of number of stars vs. magnitude.
Use raw=True to plot the individual stars in plots 1 and 2.
"""
# Load up the starlist
lis = Table.read(starlist, format='ascii')
# Assume this is NIRC2 data.
scale = 0.00995
name = lis[lis.colnames[0]]
mag = lis[lis.colnames[1]]
x = lis[lis.colnames[3]]
y = lis[lis.colnames[4]]
xerr = lis[lis.colnames[5]]
yerr = lis[lis.colnames[6]]
snr = lis[lis.colnames[7]]
corr = lis[lis.colnames[8]]
merr = 1.086 / snr
# Convert into arsec offset from field center
# We determine the field center by assuming that stars
# are detected all the way out the edge.
xhalf = x.max() / 2.0
yhalf = y.max() / 2.0
x = (x - xhalf) * scale
y = (y - yhalf) * scale
xerr *= scale * 1000.0
yerr *= scale * 1000.0
r = np.hypot(x, y)
err = (xerr + yerr) / 2.0
magStep = 1.0
radStep = 1.0
magBins = np.arange(10.0, 20.0, magStep)
radBins = np.arange(0.5, 9.5, radStep)
errMag = np.zeros(len(magBins), float)
errRad = np.zeros(len(radBins), float)
merrMag = np.zeros(len(magBins), float)
merrRad = np.zeros(len(radBins), float)
##########
# Compute errors in magnitude bins
##########
#print '%4s %s' % ('Mag', 'Err (mas)')
for mm in range(len(magBins)):
mMin = magBins[mm] - (magStep / 2.0)
mMax = magBins[mm] + (magStep / 2.0)
idx = (np.where((mag >= mMin) & (mag < mMax) & (r < radius)))[0]
if (len(idx) > 0):
errMag[mm] = np.median(err[idx])
merrMag[mm] = np.median(merr[idx])
#print '%4.1f %5.2f' % (magBins[mm], errMag[mm])
##########
# Compute errors in radius bins
##########
for rr in range(len(radBins)):
rMin = radBins[rr] - (radStep / 2.0)
rMax = radBins[rr] + (radStep / 2.0)
idx = (np.where((r >= rMin) & (r < rMax) & (mag < magCutOff)))[0]
if (len(idx) > 0):
errRad[rr] = np.median(err[idx])
merrRad[rr] = np.median(err[idx])
idx = (np.where((mag < magCutOff) & (r < radius)))[0]
errMedian = np.median(err[idx])
numInMedian = len(idx)
##########
#
# Plot astrometry errors
#
##########
# Remove figures if they exist -- have to do this
# b/c sometimes the file won't be overwritten and
# the program crashes saying 'Permission denied'
if os.path.exists('plotPosError%s.png' % suffix):
os.remove('plotPosError%s.png' % suffix)
if os.path.exists('plotMagError%s.png' % suffix):
os.remove('plotMagError%s.png' % suffix)
if os.path.exists('plotNumStars%s.png' % suffix):
os.remove('plotNumStars%s.png' % suffix)
if os.path.exists('plotPosError%s.eps' % suffix):
os.remove('plotPosError%s.eps' % suffix)
if os.path.exists('plotMagError%s.eps' % suffix):
os.remove('plotMagError%s.eps' % suffix)
if os.path.exists('plotNumStars%s.eps' % suffix):
os.remove('plotNumStars%s.eps' % suffix)
py.figure(figsize=(6,6))
py.clf()
py.subplots_adjust(left=0.15, top=0.92, right=0.95)
if (raw == True):
idx = (np.where(r < radius))[0]
py.semilogy(mag[idx], err[idx], 'k.')
py.semilogy(magBins, errMag, 'g.-', lw=2)
py.axis([8, 22, 1e-2, 30.0])
py.xlabel('K Magnitude for r < %4.1f"' % radius, fontsize=16)
py.ylabel('Positional Uncertainty (mas)', fontsize=16)
if title == True:
py.title(starlist)
py.savefig('plotPosError%s.png' % suffix)
#py.savefig('plotPosError%s.eps' % suffix)
##########
#
# Plot photometry errors
#
##########
py.clf()
if (raw == True):
idx = (np.where(r < radius))[0]
py.plot(mag[idx], merr[idx], 'k.')
py.plot(magBins, merrMag, 'g.-')
py.axis([8, 22, 0, 0.15])
py.xlabel('K Magnitude for r < %4.1f"' % radius)
py.ylabel('Photo. Uncertainty (mag)')
py.title(starlist)
py.savefig('plotMagError%s.png' % suffix)
#py.savefig('plotMagError%s.eps' % suffix)
##########
#
# Plot histogram of number of stars detected
#
##########
py.clf()
idx = (np.where(r < radius))[0]
(n, bb, pp) = py.hist(mag[idx], bins=np.arange(9, 22, 0.5))
py.xlabel('K Magnitude for r < %4.1f"' % radius)
py.ylabel('Number of Stars')
py.savefig('plotNumStars%s.png' % suffix)
#py.savefig('plotNumStars%s.eps' % suffix)
# Find the peak of the distribution
maxHist = n.argmax()
maxBin = bb[maxHist]
##########
#
# Save relevant numbers to an output file.
#
##########
# Print out some summary information
print('Number of detections: %4d' % len(mag))
print('Median Pos Error (mas) for K < %2i, r < %4.1f (N=%i): %5.2f' % \
(magCutOff, radius, numInMedian, errMedian))
print('Median Mag Error (mag) for K < %2i, r < %4.1f (N=%i): %5.2f' % \
(magCutOff, radius, numInMedian, np.median(merr[idx])))
print('Turnover mag = %4.1f' % (maxBin))
out = open('plotPosError%s.txt' % suffix, 'w')
out.write('Number of detections: %4d\n' % len(mag))
out.write('Median Pos Error (mas) for K < %2i, r < %4.1f (N=%i): %5.2f\n' % \
(magCutOff, radius, numInMedian, errMedian))
out.write('Median Mag Error (mag) for K < %2i, r < %4.1f (N=%i: %5.2f\n' % \
(magCutOff, radius, numInMedian, np.median(merr[idx])))
out.write('Turnover mag = %4.1f\n' % (maxBin))
out.close()