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spacetelescope/drizzlepac | drizzlepac/alignimages.py | generate_source_catalogs | def generate_source_catalogs(imglist, **pars):
"""Generates a dictionary of source catalogs keyed by image name.
Parameters
----------
imglist : list
List of one or more calibrated fits images that will be used for source detection.
Returns
-------
sourcecatalogdict : dictionary
... | python | def generate_source_catalogs(imglist, **pars):
"""Generates a dictionary of source catalogs keyed by image name.
Parameters
----------
imglist : list
List of one or more calibrated fits images that will be used for source detection.
Returns
-------
sourcecatalogdict : dictionary
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spacetelescope/drizzlepac | drizzlepac/alignimages.py | update_image_wcs_info | def update_image_wcs_info(tweakwcs_output):
"""Write newly computed WCS information to image headers and write headerlet files
Parameters
----------
tweakwcs_output : list
output of tweakwcs. Contains sourcelist tables, newly computed WCS info, etc. for every chip of every valid... | python | def update_image_wcs_info(tweakwcs_output):
"""Write newly computed WCS information to image headers and write headerlet files
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tweakwcs_output : list
output of tweakwcs. Contains sourcelist tables, newly computed WCS info, etc. for every chip of every valid... | [
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... | [
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spacetelescope/drizzlepac | drizzlepac/alignimages.py | update_headerlet_phdu | def update_headerlet_phdu(tweakwcs_item, headerlet):
"""Update the primary header data unit keywords of a headerlet object in-place
Parameters
==========
tweakwc_item :
Basically the output from tweakwcs which contains the cross match and fit
information for every chip of every valid in... | python | def update_headerlet_phdu(tweakwcs_item, headerlet):
"""Update the primary header data unit keywords of a headerlet object in-place
Parameters
==========
tweakwc_item :
Basically the output from tweakwcs which contains the cross match and fit
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spacetelescope/drizzlepac | drizzlepac/alignimages.py | interpret_fit_rms | def interpret_fit_rms(tweakwcs_output, reference_catalog):
"""Interpret the FIT information to convert RMS to physical units
Parameters
----------
tweakwcs_output : list
output of tweakwcs. Contains sourcelist tables, newly computed WCS info, etc. for every chip of every valid
input ima... | python | def interpret_fit_rms(tweakwcs_output, reference_catalog):
"""Interpret the FIT information to convert RMS to physical units
Parameters
----------
tweakwcs_output : list
output of tweakwcs. Contains sourcelist tables, newly computed WCS info, etc. for every chip of every valid
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spacetelescope/drizzlepac | drizzlepac/sky.py | sky | def sky(input=None,outExt=None,configObj=None, group=None, editpars=False, **inputDict):
"""
Perform sky subtraction on input list of images
Parameters
----------
input : str or list of str
a python list of image filenames, or just a single filename
configObj : configObject
an i... | python | def sky(input=None,outExt=None,configObj=None, group=None, editpars=False, **inputDict):
"""
Perform sky subtraction on input list of images
Parameters
----------
input : str or list of str
a python list of image filenames, or just a single filename
configObj : configObject
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spacetelescope/drizzlepac | drizzlepac/sky.py | _skyUserFromFile | def _skyUserFromFile(imageObjList, skyFile, apply_sky=None):
"""
Apply sky value as read in from a user-supplied input file.
"""
skyKW="MDRIZSKY" #header keyword that contains the sky that's been subtracted
# create dict of fname=sky pairs
skyvals = {}
if apply_sky is None:
skyappl... | python | def _skyUserFromFile(imageObjList, skyFile, apply_sky=None):
"""
Apply sky value as read in from a user-supplied input file.
"""
skyKW="MDRIZSKY" #header keyword that contains the sky that's been subtracted
# create dict of fname=sky pairs
skyvals = {}
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spacetelescope/drizzlepac | drizzlepac/sky.py | _computeSky | def _computeSky(image, skypars, memmap=False):
"""
Compute the sky value for the data array passed to the function
image is a fits object which contains the data and the header
for one image extension
skypars is passed in as paramDict
"""
#this object contains the returned values from the... | python | def _computeSky(image, skypars, memmap=False):
"""
Compute the sky value for the data array passed to the function
image is a fits object which contains the data and the header
for one image extension
skypars is passed in as paramDict
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spacetelescope/drizzlepac | drizzlepac/sky.py | _subtractSky | def _subtractSky(image,skyValue,memmap=False):
"""
subtract the given sky value from each the data array
that has been passed. image is a fits object that
contains the data and header for one image extension
"""
try:
np.subtract(image.data,skyValue,image.data)
except IOError:
... | python | def _subtractSky(image,skyValue,memmap=False):
"""
subtract the given sky value from each the data array
that has been passed. image is a fits object that
contains the data and header for one image extension
"""
try:
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spacetelescope/drizzlepac | drizzlepac/sky.py | _updateKW | def _updateKW(image, filename, exten, skyKW, Value):
"""update the header with the kw,value"""
# Update the value in memory
image.header[skyKW] = Value
# Now update the value on disk
if isinstance(exten,tuple):
strexten = '[%s,%s]'%(exten[0],str(exten[1]))
else:
strexten = '[%s]... | python | def _updateKW(image, filename, exten, skyKW, Value):
"""update the header with the kw,value"""
# Update the value in memory
image.header[skyKW] = Value
# Now update the value on disk
if isinstance(exten,tuple):
strexten = '[%s,%s]'%(exten[0],str(exten[1]))
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spacetelescope/drizzlepac | drizzlepac/sky.py | _addDefaultSkyKW | def _addDefaultSkyKW(imageObjList):
"""Add MDRIZSKY keyword to "commanded" SCI headers of all input images,
if that keyword does not already exist.
"""
skyKW = "MDRIZSKY"
Value = 0.0
for imageSet in imageObjList:
fname = imageSet._filename
numchips=imageSet._numchips
... | python | def _addDefaultSkyKW(imageObjList):
"""Add MDRIZSKY keyword to "commanded" SCI headers of all input images,
if that keyword does not already exist.
"""
skyKW = "MDRIZSKY"
Value = 0.0
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fname = imageSet._filename
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spacetelescope/drizzlepac | drizzlepac/hlautils/astrometric_utils.py | create_astrometric_catalog | def create_astrometric_catalog(inputs, **pars):
"""Create an astrometric catalog that covers the inputs' field-of-view.
Parameters
----------
input : str, list
Filenames of images to be aligned to astrometric catalog
catalog : str, optional
Name of catalog to extract astrometric po... | python | def create_astrometric_catalog(inputs, **pars):
"""Create an astrometric catalog that covers the inputs' field-of-view.
Parameters
----------
input : str, list
Filenames of images to be aligned to astrometric catalog
catalog : str, optional
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spacetelescope/drizzlepac | drizzlepac/hlautils/astrometric_utils.py | build_reference_wcs | def build_reference_wcs(inputs, sciname='sci'):
"""Create the reference WCS based on all the inputs for a field"""
# start by creating a composite field-of-view for all inputs
wcslist = []
for img in inputs:
nsci = countExtn(img)
for num in range(nsci):
extname = (sciname, nu... | python | def build_reference_wcs(inputs, sciname='sci'):
"""Create the reference WCS based on all the inputs for a field"""
# start by creating a composite field-of-view for all inputs
wcslist = []
for img in inputs:
nsci = countExtn(img)
for num in range(nsci):
extname = (sciname, nu... | [
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spacetelescope/drizzlepac | drizzlepac/hlautils/astrometric_utils.py | get_catalog | def get_catalog(ra, dec, sr=0.1, fmt='CSV', catalog='GSC241'):
""" Extract catalog from VO web service.
Parameters
----------
ra : float
Right Ascension (RA) of center of field-of-view (in decimal degrees)
dec : float
Declination (Dec) of center of field-of-view (in decimal degrees... | python | def get_catalog(ra, dec, sr=0.1, fmt='CSV', catalog='GSC241'):
""" Extract catalog from VO web service.
Parameters
----------
ra : float
Right Ascension (RA) of center of field-of-view (in decimal degrees)
dec : float
Declination (Dec) of center of field-of-view (in decimal degrees... | [
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spacetelescope/drizzlepac | drizzlepac/hlautils/astrometric_utils.py | compute_radius | def compute_radius(wcs):
"""Compute the radius from the center to the furthest edge of the WCS."""
ra, dec = wcs.wcs.crval
img_center = SkyCoord(ra=ra * u.degree, dec=dec * u.degree)
wcs_foot = wcs.calc_footprint()
img_corners = SkyCoord(ra=wcs_foot[:, 0] * u.degree,
dec=... | python | def compute_radius(wcs):
"""Compute the radius from the center to the furthest edge of the WCS."""
ra, dec = wcs.wcs.crval
img_center = SkyCoord(ra=ra * u.degree, dec=dec * u.degree)
wcs_foot = wcs.calc_footprint()
img_corners = SkyCoord(ra=wcs_foot[:, 0] * u.degree,
dec=... | [
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spacetelescope/drizzlepac | drizzlepac/hlautils/astrometric_utils.py | find_gsc_offset | def find_gsc_offset(image, input_catalog='GSC1', output_catalog='GAIA'):
"""Find the GSC to GAIA offset based on guide star coordinates
Parameters
----------
image : str
Filename of image to be processed.
Returns
-------
delta_ra, delta_dec : tuple of floats
Offset in decim... | python | def find_gsc_offset(image, input_catalog='GSC1', output_catalog='GAIA'):
"""Find the GSC to GAIA offset based on guide star coordinates
Parameters
----------
image : str
Filename of image to be processed.
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spacetelescope/drizzlepac | drizzlepac/hlautils/astrometric_utils.py | generate_source_catalog | def generate_source_catalog(image, **kwargs):
""" Build source catalogs for each chip using photutils.
The catalog returned by this function includes sources found in all chips
of the input image with the positions translated to the coordinate frame
defined by the reference WCS `refwcs`. The sources w... | python | def generate_source_catalog(image, **kwargs):
""" Build source catalogs for each chip using photutils.
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spacetelescope/drizzlepac | drizzlepac/hlautils/astrometric_utils.py | generate_sky_catalog | def generate_sky_catalog(image, refwcs, **kwargs):
"""Build source catalog from input image using photutils.
This script borrows heavily from build_source_catalog.
The catalog returned by this function includes sources found in all chips
of the input image with the positions translated to the coordina... | python | def generate_sky_catalog(image, refwcs, **kwargs):
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spacetelescope/drizzlepac | drizzlepac/hlautils/astrometric_utils.py | compute_photometry | def compute_photometry(catalog, photmode):
""" Compute magnitudes for sources from catalog based on observations photmode.
Parameters
----------
catalog : `~astropy.table.Table`
Astropy Table with 'source_sum' column for the measured flux for each source.
photmode : str
Specificati... | python | def compute_photometry(catalog, photmode):
""" Compute magnitudes for sources from catalog based on observations photmode.
Parameters
----------
catalog : `~astropy.table.Table`
Astropy Table with 'source_sum' column for the measured flux for each source.
photmode : str
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spacetelescope/drizzlepac | drizzlepac/hlautils/astrometric_utils.py | filter_catalog | def filter_catalog(catalog, **kwargs):
""" Create a new catalog selected from input based on photometry.
Parameters
----------
bright_limit : float
Fraction of catalog based on brightness that should be retained.
Value of 1.00 means full catalog.
max_bright : int
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""" Create a new catalog selected from input based on photometry.
Parameters
----------
bright_limit : float
Fraction of catalog based on brightness that should be retained.
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spacetelescope/drizzlepac | drizzlepac/hlautils/astrometric_utils.py | build_self_reference | def build_self_reference(filename, clean_wcs=False):
""" This function creates a reference, undistorted WCS that can be used to
apply a correction to the WCS of the input file.
Parameters
----------
filename : str
Filename of image which will be corrected, and which will form the basis
... | python | def build_self_reference(filename, clean_wcs=False):
""" This function creates a reference, undistorted WCS that can be used to
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filename : str
Filename of image which will be corrected, and which will form the basis
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spacetelescope/drizzlepac | drizzlepac/hlautils/astrometric_utils.py | read_hlet_wcs | def read_hlet_wcs(filename, ext):
"""Insure `stwcs.wcsutil.HSTWCS` includes all attributes of a full image WCS.
For headerlets, the WCS does not contain information about the size of the
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"""
hstwcs = wcsutil.HSTWCS(filename, ext=ext)
if... | python | def read_hlet_wcs(filename, ext):
"""Insure `stwcs.wcsutil.HSTWCS` includes all attributes of a full image WCS.
For headerlets, the WCS does not contain information about the size of the
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spacetelescope/drizzlepac | drizzlepac/hlautils/astrometric_utils.py | build_hstwcs | def build_hstwcs(crval1, crval2, crpix1, crpix2, naxis1, naxis2, pscale, orientat):
""" Create an `stwcs.wcsutil.HSTWCS` object for a default instrument without
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"""
wcsout = wcsutil.HSTWCS()
wcsout.wcs.crval = np.array([crval1, crval2])
wcsout.... | python | def build_hstwcs(crval1, crval2, crpix1, crpix2, naxis1, naxis2, pscale, orientat):
""" Create an `stwcs.wcsutil.HSTWCS` object for a default instrument without
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spacetelescope/drizzlepac | drizzlepac/hlautils/astrometric_utils.py | within_footprint | def within_footprint(img, wcs, x, y):
"""Determine whether input x, y fall in the science area of the image.
Parameters
----------
img : ndarray
ndarray of image where non-science areas are marked with value of NaN.
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"""Determine whether input x, y fall in the science area of the image.
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ndarray of image where non-science areas are marked with value of NaN.
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spacetelescope/drizzlepac | drizzlepac/hlautils/astrometric_utils.py | create_image_footprint | def create_image_footprint(image, refwcs, border=0.):
""" Create the footprint of the image in the reference WCS frame.
Parameters
----------
image : `astropy.io.fits.HDUList` or str
Image to extract sources for matching to
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image : `astropy.io.fits.HDUList` or str
Image to extract sources for matching to
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spacetelescope/drizzlepac | drizzlepac/hlautils/astrometric_utils.py | find_hist2d_offset | def find_hist2d_offset(filename, reference, refwcs=None, refnames=['ra', 'dec'],
match_tolerance=5., chip_catalog=True, search_radius=15.0,
min_match=10, classify=True):
"""Iteratively look for the best cross-match between the catalog and ref.
Parameters
------... | python | def find_hist2d_offset(filename, reference, refwcs=None, refnames=['ra', 'dec'],
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min_match=10, classify=True):
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spacetelescope/drizzlepac | drizzlepac/hlautils/astrometric_utils.py | build_wcscat | def build_wcscat(image, group_id, source_catalog):
""" Return a list of `~tweakwcs.tpwcs.FITSWCS` objects for all chips in an image.
Parameters
----------
image : str, ~astropy.io.fits.HDUList`
Either filename or HDUList of a single HST observation.
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""" Return a list of `~tweakwcs.tpwcs.FITSWCS` objects for all chips in an image.
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image : str, ~astropy.io.fits.HDUList`
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spacetelescope/drizzlepac | drizzlepac/updatehdr.py | update_from_shiftfile | def update_from_shiftfile(shiftfile,wcsname=None,force=False):
"""
Update headers of all images specified in shiftfile with shifts
from shiftfile.
Parameters
----------
shiftfile : str
Filename of shiftfile.
wcsname : str
Label to give to new WCS solution being created by t... | python | def update_from_shiftfile(shiftfile,wcsname=None,force=False):
"""
Update headers of all images specified in shiftfile with shifts
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shiftfile : str
Filename of shiftfile.
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Filename of shiftfile.
wcsname : str
Label to give to new WCS solution being created by this fit. If
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spacetelescope/drizzlepac | drizzlepac/updatehdr.py | linearize | def linearize(wcsim, wcsima, wcsref, imcrpix, f, shift, hx=1.0, hy=1.0):
""" linearization using 5-point formula for first order derivative
"""
x0 = imcrpix[0]
y0 = imcrpix[1]
p = np.asarray([[x0, y0],
[x0 - hx, y0],
[x0 - hx * 0.5, y0],
[... | python | def linearize(wcsim, wcsima, wcsref, imcrpix, f, shift, hx=1.0, hy=1.0):
""" linearization using 5-point formula for first order derivative
"""
x0 = imcrpix[0]
y0 = imcrpix[1]
p = np.asarray([[x0, y0],
[x0 - hx, y0],
[x0 - hx * 0.5, y0],
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spacetelescope/drizzlepac | drizzlepac/updatehdr.py | update_wcs | def update_wcs(image,extnum,new_wcs,wcsname="",reusename=False,verbose=False):
"""
Updates the WCS of the specified extension number with the new WCS
after archiving the original WCS.
The value of 'new_wcs' needs to be the full
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Parameters
----------
image : str
F... | python | def update_wcs(image,extnum,new_wcs,wcsname="",reusename=False,verbose=False):
"""
Updates the WCS of the specified extension number with the new WCS
after archiving the original WCS.
The value of 'new_wcs' needs to be the full
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image : str
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spacetelescope/drizzlepac | drizzlepac/updatehdr.py | create_unique_wcsname | def create_unique_wcsname(fimg, extnum, wcsname):
"""
This function evaluates whether the specified wcsname value has
already been used in this image. If so, it automatically modifies
the name with a simple version ID using wcsname_NNN format.
Parameters
----------
fimg : obj
PyFIT... | python | def create_unique_wcsname(fimg, extnum, wcsname):
"""
This function evaluates whether the specified wcsname value has
already been used in this image. If so, it automatically modifies
the name with a simple version ID using wcsname_NNN format.
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----------
fimg : obj
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spacetelescope/drizzlepac | drizzlepac/util.py | end_logging | def end_logging(filename=None):
"""
Close log file and restore system defaults.
"""
if logutil.global_logging_started:
if filename:
print('Trailer file written to: ', filename)
else:
# This generally shouldn't happen if logging was started with
# init... | python | def end_logging(filename=None):
"""
Close log file and restore system defaults.
"""
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if filename:
print('Trailer file written to: ', filename)
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# This generally shouldn't happen if logging was started with
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spacetelescope/drizzlepac | drizzlepac/util.py | findrootname | def findrootname(filename):
"""
Return the rootname of the given file.
"""
puncloc = [filename.find(char) for char in string.punctuation]
if sys.version_info[0] >= 3:
val = sys.maxsize
else:
val = sys.maxint
for num in puncloc:
if num !=-1 and num < val:
... | python | def findrootname(filename):
"""
Return the rootname of the given file.
"""
puncloc = [filename.find(char) for char in string.punctuation]
if sys.version_info[0] >= 3:
val = sys.maxsize
else:
val = sys.maxint
for num in puncloc:
if num !=-1 and num < val:
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spacetelescope/drizzlepac | drizzlepac/util.py | removeFileSafely | def removeFileSafely(filename,clobber=True):
""" Delete the file specified, but only if it exists and clobber is True.
"""
if filename is not None and filename.strip() != '':
if os.path.exists(filename) and clobber: os.remove(filename) | python | def removeFileSafely(filename,clobber=True):
""" Delete the file specified, but only if it exists and clobber is True.
"""
if filename is not None and filename.strip() != '':
if os.path.exists(filename) and clobber: os.remove(filename) | [
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spacetelescope/drizzlepac | drizzlepac/util.py | displayEmptyInputWarningBox | def displayEmptyInputWarningBox(display=True, parent=None):
""" Displays a warning box for the 'input' parameter.
"""
if sys.version_info[0] >= 3:
from tkinter.messagebox import showwarning
else:
from tkMessageBox import showwarning
if display:
msg = 'No valid input files fo... | python | def displayEmptyInputWarningBox(display=True, parent=None):
""" Displays a warning box for the 'input' parameter.
"""
if sys.version_info[0] >= 3:
from tkinter.messagebox import showwarning
else:
from tkMessageBox import showwarning
if display:
msg = 'No valid input files fo... | [
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spacetelescope/drizzlepac | drizzlepac/util.py | count_sci_extensions | def count_sci_extensions(filename):
""" Return the number of SCI extensions and the EXTNAME from a input MEF file.
"""
num_sci = 0
extname = 'SCI'
hdu_list = fileutil.openImage(filename, memmap=False)
for extn in hdu_list:
if 'extname' in extn.header and extn.header['extname'] == extna... | python | def count_sci_extensions(filename):
""" Return the number of SCI extensions and the EXTNAME from a input MEF file.
"""
num_sci = 0
extname = 'SCI'
hdu_list = fileutil.openImage(filename, memmap=False)
for extn in hdu_list:
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spacetelescope/drizzlepac | drizzlepac/util.py | verifyUniqueWcsname | def verifyUniqueWcsname(fname,wcsname):
"""
Report whether or not the specified WCSNAME already exists in the file
"""
uniq = True
numsci,extname = count_sci_extensions(fname)
wnames = altwcs.wcsnames(fname,ext=(extname,1))
if wcsname in wnames.values():
uniq = False
return uni... | python | def verifyUniqueWcsname(fname,wcsname):
"""
Report whether or not the specified WCSNAME already exists in the file
"""
uniq = True
numsci,extname = count_sci_extensions(fname)
wnames = altwcs.wcsnames(fname,ext=(extname,1))
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spacetelescope/drizzlepac | drizzlepac/util.py | verifyUpdatewcs | def verifyUpdatewcs(fname):
"""
Verify the existence of WCSNAME in the file. If it is not present,
report this to the user and raise an exception. Returns True if WCSNAME
was found in all SCI extensions.
"""
updated = True
numsci,extname = count_sci_extensions(fname)
for n in range(1,n... | python | def verifyUpdatewcs(fname):
"""
Verify the existence of WCSNAME in the file. If it is not present,
report this to the user and raise an exception. Returns True if WCSNAME
was found in all SCI extensions.
"""
updated = True
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spacetelescope/drizzlepac | drizzlepac/util.py | verifyRefimage | def verifyRefimage(refimage):
"""
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extension with a proper WCS defined. It starts by making sure an extension gets
specified by the user when using a MEF file. The final check comes by looking
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"""
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spacetelescope/drizzlepac | drizzlepac/util.py | findWCSExtn | def findWCSExtn(filename):
""" Return new filename with extension that points to an extension with a
valid WCS.
Returns
=======
extnum : str, None
Value of extension name as a string either as provided by the user
or based on the extension number for the firs... | python | def findWCSExtn(filename):
""" Return new filename with extension that points to an extension with a
valid WCS.
Returns
=======
extnum : str, None
Value of extension name as a string either as provided by the user
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spacetelescope/drizzlepac | drizzlepac/util.py | verifyFilePermissions | def verifyFilePermissions(filelist, chmod=True):
""" Verify that images specified in 'filelist' can be updated.
A message will be printed reporting the names of any images which
do not have write-permission, then quit.
"""
badfiles = []
archive_dir = False
for img in filelist:
fname... | python | def verifyFilePermissions(filelist, chmod=True):
""" Verify that images specified in 'filelist' can be updated.
A message will be printed reporting the names of any images which
do not have write-permission, then quit.
"""
badfiles = []
archive_dir = False
for img in filelist:
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spacetelescope/drizzlepac | drizzlepac/util.py | getFullParList | def getFullParList(configObj):
"""
Return a single list of all parameter names included in the configObj
regardless of which section the parameter was stored
"""
plist = []
for par in configObj.keys():
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"""
Return a single list of all parameter names included in the configObj
regardless of which section the parameter was stored
"""
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spacetelescope/drizzlepac | drizzlepac/util.py | validateUserPars | def validateUserPars(configObj,input_dict):
""" Compares input parameter names specified by user with those already
recognized by the task.
Any parameters provided by the user that does not match a known
task parameter will be reported and a ValueError exception will be
raised.
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""" Compares input parameter names specified by user with those already
recognized by the task.
Any parameters provided by the user that does not match a known
task parameter will be reported and a ValueError exception will be
raised.
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spacetelescope/drizzlepac | drizzlepac/util.py | applyUserPars_steps | def applyUserPars_steps(configObj, input_dict, step='3a'):
""" Apply logic to turn on use of user-specified output WCS if user provides
any parameter on command-line regardless of how final_wcs was set.
"""
step_kws = {'7a': 'final_wcs', '3a': 'driz_sep_wcs'}
stepname = getSectionName(configObj,... | python | def applyUserPars_steps(configObj, input_dict, step='3a'):
""" Apply logic to turn on use of user-specified output WCS if user provides
any parameter on command-line regardless of how final_wcs was set.
"""
step_kws = {'7a': 'final_wcs', '3a': 'driz_sep_wcs'}
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spacetelescope/drizzlepac | drizzlepac/util.py | getDefaultConfigObj | def getDefaultConfigObj(taskname,configObj,input_dict={},loadOnly=True):
""" Return default configObj instance for task updated
with user-specified values from input_dict.
Parameters
----------
taskname : string
Name of task to load into TEAL
configObj : string
... | python | def getDefaultConfigObj(taskname,configObj,input_dict={},loadOnly=True):
""" Return default configObj instance for task updated
with user-specified values from input_dict.
Parameters
----------
taskname : string
Name of task to load into TEAL
configObj : string
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spacetelescope/drizzlepac | drizzlepac/util.py | getSectionName | def getSectionName(configObj,stepnum):
""" Return section label based on step number.
"""
for key in configObj.keys():
if key.find('STEP '+str(stepnum)+':') >= 0:
return key | python | def getSectionName(configObj,stepnum):
""" Return section label based on step number.
"""
for key in configObj.keys():
if key.find('STEP '+str(stepnum)+':') >= 0:
return key | [
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spacetelescope/drizzlepac | drizzlepac/util.py | displayMakewcsWarningBox | def displayMakewcsWarningBox(display=True, parent=None):
""" Displays a warning box for the 'makewcs' parameter.
"""
if sys.version_info[0] >= 3:
from tkinter.messagebox import showwarning
else:
from tkMessageBox import showwarning
ans = {'yes':True,'no':False}
if ans[display]:
... | python | def displayMakewcsWarningBox(display=True, parent=None):
""" Displays a warning box for the 'makewcs' parameter.
"""
if sys.version_info[0] >= 3:
from tkinter.messagebox import showwarning
else:
from tkMessageBox import showwarning
ans = {'yes':True,'no':False}
if ans[display]:
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spacetelescope/drizzlepac | drizzlepac/util.py | printParams | def printParams(paramDictionary, all=False, log=None):
"""
Print nicely the parameters from the dictionary.
"""
if log is not None:
def output(msg):
log.info(msg)
else:
def output(msg):
print(msg)
if not paramDictionary:
output('No parameters wer... | python | def printParams(paramDictionary, all=False, log=None):
"""
Print nicely the parameters from the dictionary.
"""
if log is not None:
def output(msg):
log.info(msg)
else:
def output(msg):
print(msg)
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spacetelescope/drizzlepac | drizzlepac/util.py | isCommaList | def isCommaList(inputFilelist):
"""Return True if the input is a comma separated list of names."""
if isinstance(inputFilelist, int) or isinstance(inputFilelist, np.int32):
ilist = str(inputFilelist)
else:
ilist = inputFilelist
if "," in ilist:
return True
return False | python | def isCommaList(inputFilelist):
"""Return True if the input is a comma separated list of names."""
if isinstance(inputFilelist, int) or isinstance(inputFilelist, np.int32):
ilist = str(inputFilelist)
else:
ilist = inputFilelist
if "," in ilist:
return True
return False | [
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spacetelescope/drizzlepac | drizzlepac/util.py | loadFileList | def loadFileList(inputFilelist):
"""Open up the '@ file' and read in the science and possible
ivm filenames from the first two columns.
"""
f = open(inputFilelist[1:])
# check the first line in order to determine whether
# IVM files have been specified in a second column...
lines = f.read... | python | def loadFileList(inputFilelist):
"""Open up the '@ file' and read in the science and possible
ivm filenames from the first two columns.
"""
f = open(inputFilelist[1:])
# check the first line in order to determine whether
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spacetelescope/drizzlepac | drizzlepac/util.py | readCommaList | def readCommaList(fileList):
""" Return a list of the files with the commas removed. """
names=fileList.split(',')
fileList=[]
for item in names:
fileList.append(item)
return fileList | python | def readCommaList(fileList):
""" Return a list of the files with the commas removed. """
names=fileList.split(',')
fileList=[]
for item in names:
fileList.append(item)
return fileList | [
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spacetelescope/drizzlepac | drizzlepac/util.py | update_input | def update_input(filelist, ivmlist=None, removed_files=None):
"""
Removes files flagged to be removed from the input filelist.
Removes the corresponding ivm files if present.
"""
newfilelist = []
if removed_files == []:
return filelist, ivmlist
else:
sci_ivm = list(zip(filel... | python | def update_input(filelist, ivmlist=None, removed_files=None):
"""
Removes files flagged to be removed from the input filelist.
Removes the corresponding ivm files if present.
"""
newfilelist = []
if removed_files == []:
return filelist, ivmlist
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spacetelescope/drizzlepac | drizzlepac/util.py | get_expstart | def get_expstart(header,primary_hdr):
"""shouldn't this just be defined in the instrument subclass of imageobject?"""
if 'expstart' in primary_hdr:
exphdr = primary_hdr
else:
exphdr = header
if 'EXPSTART' in exphdr:
expstart = float(exphdr['EXPSTART'])
expend = float(ex... | python | def get_expstart(header,primary_hdr):
"""shouldn't this just be defined in the instrument subclass of imageobject?"""
if 'expstart' in primary_hdr:
exphdr = primary_hdr
else:
exphdr = header
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expstart = float(exphdr['EXPSTART'])
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spacetelescope/drizzlepac | drizzlepac/util.py | compute_texptime | def compute_texptime(imageObjectList):
"""
Add up the exposure time for all the members in
the pattern, since 'drizzle' doesn't have the necessary
information to correctly set this itself.
"""
expnames = []
exptimes = []
start = []
end = []
for img in imageObjectList:
exp... | python | def compute_texptime(imageObjectList):
"""
Add up the exposure time for all the members in
the pattern, since 'drizzle' doesn't have the necessary
information to correctly set this itself.
"""
expnames = []
exptimes = []
start = []
end = []
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spacetelescope/drizzlepac | drizzlepac/util.py | computeRange | def computeRange(corners):
""" Determine the range spanned by an array of pixel positions. """
x = corners[:, 0]
y = corners[:, 1]
_xrange = (np.minimum.reduce(x), np.maximum.reduce(x))
_yrange = (np.minimum.reduce(y), np.maximum.reduce(y))
return _xrange, _yrange | python | def computeRange(corners):
""" Determine the range spanned by an array of pixel positions. """
x = corners[:, 0]
y = corners[:, 1]
_xrange = (np.minimum.reduce(x), np.maximum.reduce(x))
_yrange = (np.minimum.reduce(y), np.maximum.reduce(y))
return _xrange, _yrange | [
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spacetelescope/drizzlepac | drizzlepac/util.py | readcols | def readcols(infile, cols=[0, 1, 2, 3], hms=False):
"""
Read the columns from an ASCII file as numpy arrays.
Parameters
----------
infile : str
Filename of ASCII file with array data as columns.
cols : list of int
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"""
Read the columns from an ASCII file as numpy arrays.
Parameters
----------
infile : str
Filename of ASCII file with array data as columns.
cols : list of int
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spacetelescope/drizzlepac | drizzlepac/util.py | parse_colnames | def parse_colnames(colnames,coords=None):
""" Convert colnames input into list of column numbers.
"""
cols = []
if not isinstance(colnames,list):
colnames = colnames.split(',')
# parse column names from coords file and match to input values
if coords is not None and fileutil.isFits(coord... | python | def parse_colnames(colnames,coords=None):
""" Convert colnames input into list of column numbers.
"""
cols = []
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colnames = colnames.split(',')
# parse column names from coords file and match to input values
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spacetelescope/drizzlepac | drizzlepac/util.py | createFile | def createFile(dataArray=None, outfile=None, header=None):
"""
Create a simple fits file for the given data array and header.
Returns either the FITS object in-membory when outfile==None or
None when the FITS file was written out to a file.
"""
# Insure that at least a data-array has been provid... | python | def createFile(dataArray=None, outfile=None, header=None):
"""
Create a simple fits file for the given data array and header.
Returns either the FITS object in-membory when outfile==None or
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spacetelescope/drizzlepac | drizzlepac/util.py | base_taskname | def base_taskname(taskname, packagename=None):
"""
Extract the base name of the task.
Many tasks in the `drizzlepac` have "compound" names such as
'drizzlepac.sky'. This function will search for the presence of a dot
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to the right o... | python | def base_taskname(taskname, packagename=None):
"""
Extract the base name of the task.
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spacetelescope/drizzlepac | drizzlepac/util.py | ProcSteps.endStep | def endStep(self,key):
"""
Record the end time for the step.
If key==None, simply record ptime as end time for class to represent
the overall runtime since the initialization of the class.
"""
ptime = _ptime()
if key is not None:
self.steps[key]['end'... | python | def endStep(self,key):
"""
Record the end time for the step.
If key==None, simply record ptime as end time for class to represent
the overall runtime since the initialization of the class.
"""
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spacetelescope/drizzlepac | drizzlepac/util.py | ProcSteps.reportTimes | def reportTimes(self):
"""
Print out a formatted summary of the elapsed times for all the
performed steps.
"""
self.end = _ptime()
total_time = 0
print(ProcSteps.__report_header)
for step in self.order:
if 'elapsed' in self.steps[step]:
... | python | def reportTimes(self):
"""
Print out a formatted summary of the elapsed times for all the
performed steps.
"""
self.end = _ptime()
total_time = 0
print(ProcSteps.__report_header)
for step in self.order:
if 'elapsed' in self.steps[step]:
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spacetelescope/drizzlepac | drizzlepac/buildmask.py | buildDQMasks | def buildDQMasks(imageObjectList,configObj):
""" Build DQ masks for all input images.
"""
# Insure that input imageObject is a list
if not isinstance(imageObjectList, list):
imageObjectList = [imageObjectList]
for img in imageObjectList:
img.buildMask(configObj['single'], configObj[... | python | def buildDQMasks(imageObjectList,configObj):
""" Build DQ masks for all input images.
"""
# Insure that input imageObject is a list
if not isinstance(imageObjectList, list):
imageObjectList = [imageObjectList]
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spacetelescope/drizzlepac | drizzlepac/buildmask.py | buildMask | def buildMask(dqarr, bitvalue):
""" Builds a bit-mask from an input DQ array and a bitvalue flag """
return bitfield_to_boolean_mask(dqarr, bitvalue, good_mask_value=1,
dtype=np.uint8) | python | def buildMask(dqarr, bitvalue):
""" Builds a bit-mask from an input DQ array and a bitvalue flag """
return bitfield_to_boolean_mask(dqarr, bitvalue, good_mask_value=1,
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spacetelescope/drizzlepac | drizzlepac/buildmask.py | buildMaskImage | def buildMaskImage(rootname, bitvalue, output, extname='DQ', extver=1):
""" Builds mask image from rootname's DQ array
If there is no valid 'DQ' array in image, then return
an empty string.
"""
# If no bitvalue is set or rootname given, assume no mask is desired
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""" Builds mask image from rootname's DQ array
If there is no valid 'DQ' array in image, then return
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spacetelescope/drizzlepac | drizzlepac/buildmask.py | buildShadowMaskImage | def buildShadowMaskImage(dqfile,detnum,extnum,maskname,bitvalue=None,binned=1):
""" Builds mask image from WFPC2 shadow calibrations.
detnum - string value for 'DETECTOR' detector
"""
# insure detnum is a string
if type(detnum) != type(''):
detnum = repr(detnum)
_funcroot = '_func_Sha... | python | def buildShadowMaskImage(dqfile,detnum,extnum,maskname,bitvalue=None,binned=1):
""" Builds mask image from WFPC2 shadow calibrations.
detnum - string value for 'DETECTOR' detector
"""
# insure detnum is a string
if type(detnum) != type(''):
detnum = repr(detnum)
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spacetelescope/drizzlepac | drizzlepac/adrizzle.py | mergeDQarray | def mergeDQarray(maskname,dqarr):
""" Merge static or CR mask with mask created from DQ array on-the-fly here.
"""
maskarr = None
if maskname is not None:
if isinstance(maskname, str):
# working with file on disk (default case)
if os.path.exists(maskname):
... | python | def mergeDQarray(maskname,dqarr):
""" Merge static or CR mask with mask created from DQ array on-the-fly here.
"""
maskarr = None
if maskname is not None:
if isinstance(maskname, str):
# working with file on disk (default case)
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spacetelescope/drizzlepac | drizzlepac/adrizzle.py | _setDefaults | def _setDefaults(configObj={}):
"""set up the default parameters to run drizzle
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rot,scale,xsh,ysh,blotnx,blotny,outnx,outny,data
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"""
paramDict={"build":True,
"single... | python | def _setDefaults(configObj={}):
"""set up the default parameters to run drizzle
build,single,units,wt_scl,pixfrac,kernel,fillval,
rot,scale,xsh,ysh,blotnx,blotny,outnx,outny,data
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spacetelescope/drizzlepac | drizzlepac/adrizzle.py | interpret_maskval | def interpret_maskval(paramDict):
""" Apply logic for interpreting final_maskval value...
"""
# interpret user specified final_maskval value to use for initializing
# output SCI array...
if 'maskval' not in paramDict:
return 0
maskval = paramDict['maskval']
if maskval is None:
... | python | def interpret_maskval(paramDict):
""" Apply logic for interpreting final_maskval value...
"""
# interpret user specified final_maskval value to use for initializing
# output SCI array...
if 'maskval' not in paramDict:
return 0
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spacetelescope/drizzlepac | drizzlepac/mapreg.py | _regwrite | def _regwrite(shapelist,outfile):
""" Writes the current shape list out as a region file """
# This function corrects bugs and provides improvements over the pyregion's
# ShapeList.write method in the following:
#
# 1. ShapeList.write crashes if regions have no comments;
# 2. ShapeList.write con... | python | def _regwrite(shapelist,outfile):
""" Writes the current shape list out as a region file """
# This function corrects bugs and provides improvements over the pyregion's
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spacetelescope/drizzlepac | drizzlepac/mapreg.py | _needs_ref_WCS | def _needs_ref_WCS(reglist):
""" Check if the region list contains shapes in image-like coordinates
"""
from pyregion.wcs_helper import image_like_coordformats
for r in reglist:
if r.coord_format in image_like_coordformats:
return True
return False | python | def _needs_ref_WCS(reglist):
""" Check if the region list contains shapes in image-like coordinates
"""
from pyregion.wcs_helper import image_like_coordformats
for r in reglist:
if r.coord_format in image_like_coordformats:
return True
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spacetelescope/drizzlepac | drizzlepac/generate_final_product_filenames.py | run_generator | def run_generator(product_category,obs_info):
"""
This is the main calling subroutine. It decides which filename generation subroutine should be run based on the
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"""
This is the main calling subroutine. It decides which filename generation subroutine should be run based on the
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spacetelescope/drizzlepac | drizzlepac/generate_final_product_filenames.py | single_exposure_product_filename_generator | def single_exposure_product_filename_generator(obs_info,nn):
"""
Generate image and sourcelist filenames for single-exposure products
Parameters
----------
obs_info : list
list of items that will be used to generate the filenames: proposal_id,
visit_id, instrument, detector, filter,... | python | def single_exposure_product_filename_generator(obs_info,nn):
"""
Generate image and sourcelist filenames for single-exposure products
Parameters
----------
obs_info : list
list of items that will be used to generate the filenames: proposal_id,
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spacetelescope/drizzlepac | drizzlepac/generate_final_product_filenames.py | filter_product_filename_generator | def filter_product_filename_generator(obs_info,nn):
"""
Generate image and sourcelist filenames for filter products
Parameters
----------
obs_info : list
list of items that will be used to generate the filenames: proposal_id,
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nn : strin... | python | def filter_product_filename_generator(obs_info,nn):
"""
Generate image and sourcelist filenames for filter products
Parameters
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obs_info : list
list of items that will be used to generate the filenames: proposal_id,
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spacetelescope/drizzlepac | drizzlepac/generate_final_product_filenames.py | total_detection_product_filename_generator | def total_detection_product_filename_generator(obs_info,nn):
"""
Generate image and sourcelist filenames for total detection products
Parameters
----------
obs_info : list
list of items that will be used to generate the filenames: proposal_id,
visit_id, instrument, and detector
... | python | def total_detection_product_filename_generator(obs_info,nn):
"""
Generate image and sourcelist filenames for total detection products
Parameters
----------
obs_info : list
list of items that will be used to generate the filenames: proposal_id,
visit_id, instrument, and detector
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spacetelescope/drizzlepac | drizzlepac/generate_final_product_filenames.py | multivisit_mosaic_product_filename_generator | def multivisit_mosaic_product_filename_generator(obs_info,nn):
"""
Generate image and sourcelist filenames for multi-visit mosaic products
Parameters
----------
obs_info : list
list of items that will be used to generate the filenames: group_id,
instrument, detector, and filter
... | python | def multivisit_mosaic_product_filename_generator(obs_info,nn):
"""
Generate image and sourcelist filenames for multi-visit mosaic products
Parameters
----------
obs_info : list
list of items that will be used to generate the filenames: group_id,
instrument, detector, and filter
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spacetelescope/drizzlepac | drizzlepac/imgclasses.py | build_referenceWCS | def build_referenceWCS(catalog_list):
""" Compute default reference WCS from list of Catalog objects.
"""
wcslist = []
for catalog in catalog_list:
for scichip in catalog.catalogs:
wcslist.append(catalog.catalogs[scichip]['wcs'])
return utils.output_wcs(wcslist) | python | def build_referenceWCS(catalog_list):
""" Compute default reference WCS from list of Catalog objects.
"""
wcslist = []
for catalog in catalog_list:
for scichip in catalog.catalogs:
wcslist.append(catalog.catalogs[scichip]['wcs'])
return utils.output_wcs(wcslist) | [
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spacetelescope/drizzlepac | drizzlepac/imgclasses.py | convex_hull | def convex_hull(points):
"""Computes the convex hull of a set of 2D points.
Implements `Andrew's monotone chain algorithm <http://en.wikibooks.org/wiki/Algorithm_Implementation/Geometry/Convex_hull/Monotone_chain>`_.
The algorithm has O(n log n) complexity.
Credit: `<http://en.wikibooks.org/wiki/Algor... | python | def convex_hull(points):
"""Computes the convex hull of a set of 2D points.
Implements `Andrew's monotone chain algorithm <http://en.wikibooks.org/wiki/Algorithm_Implementation/Geometry/Convex_hull/Monotone_chain>`_.
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spacetelescope/drizzlepac | drizzlepac/imgclasses.py | _estimate_2dhist_shift | def _estimate_2dhist_shift(imgxy, refxy, searchrad=3.0):
""" Create a 2D matrix-histogram which contains the delta between each
XY position and each UV position. Then estimate initial offset
between catalogs.
"""
print("Computing initial guess for X and Y shifts...")
# create ZP matrix
... | python | def _estimate_2dhist_shift(imgxy, refxy, searchrad=3.0):
""" Create a 2D matrix-histogram which contains the delta between each
XY position and each UV position. Then estimate initial offset
between catalogs.
"""
print("Computing initial guess for X and Y shifts...")
# create ZP matrix
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spacetelescope/drizzlepac | drizzlepac/imgclasses.py | Image.openFile | def openFile(self, openDQ=False):
""" Open file and set up filehandle for image file
"""
if self._im.closed:
if not self._dq.closed:
self._dq.release()
assert(self._dq.closed)
fi = FileExtMaskInfo(clobber=False,
... | python | def openFile(self, openDQ=False):
""" Open file and set up filehandle for image file
"""
if self._im.closed:
if not self._dq.closed:
self._dq.release()
assert(self._dq.closed)
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spacetelescope/drizzlepac | drizzlepac/imgclasses.py | Image.get_wcs | def get_wcs(self):
""" Helper method to return a list of all the input WCS objects associated
with this image.
"""
wcslist = []
for chip in self.chip_catalogs:
wcslist.append(self.chip_catalogs[chip]['wcs'])
return wcslist | python | def get_wcs(self):
""" Helper method to return a list of all the input WCS objects associated
with this image.
"""
wcslist = []
for chip in self.chip_catalogs:
wcslist.append(self.chip_catalogs[chip]['wcs'])
return wcslist | [
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spacetelescope/drizzlepac | drizzlepac/imgclasses.py | Image.buildSkyCatalog | def buildSkyCatalog(self):
""" Convert sky catalog for all chips into a single catalog for
the entire field-of-view of this image.
"""
self.all_radec = None
self.all_radec_orig = None
ralist = []
declist = []
fluxlist = []
idlist = []
f... | python | def buildSkyCatalog(self):
""" Convert sky catalog for all chips into a single catalog for
the entire field-of-view of this image.
"""
self.all_radec = None
self.all_radec_orig = None
ralist = []
declist = []
fluxlist = []
idlist = []
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spacetelescope/drizzlepac | drizzlepac/imgclasses.py | Image.buildDefaultRefWCS | def buildDefaultRefWCS(self):
""" Generate a default reference WCS for this image. """
self.default_refWCS = None
if self.use_wcs:
wcslist = []
for scichip in self.chip_catalogs:
wcslist.append(self.chip_catalogs[scichip]['wcs'])
self.default_r... | python | def buildDefaultRefWCS(self):
""" Generate a default reference WCS for this image. """
self.default_refWCS = None
if self.use_wcs:
wcslist = []
for scichip in self.chip_catalogs:
wcslist.append(self.chip_catalogs[scichip]['wcs'])
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spacetelescope/drizzlepac | drizzlepac/imgclasses.py | Image.transformToRef | def transformToRef(self,ref_wcs,force=False):
""" Transform sky coords from ALL chips into X,Y coords in reference WCS.
"""
if not isinstance(ref_wcs, pywcs.WCS):
print(textutil.textbox('Reference WCS not a valid HSTWCS object'),
file=sys.stderr)
raise V... | python | def transformToRef(self,ref_wcs,force=False):
""" Transform sky coords from ALL chips into X,Y coords in reference WCS.
"""
if not isinstance(ref_wcs, pywcs.WCS):
print(textutil.textbox('Reference WCS not a valid HSTWCS object'),
file=sys.stderr)
raise V... | [
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spacetelescope/drizzlepac | drizzlepac/imgclasses.py | Image.get_xy_catnames | def get_xy_catnames(self):
""" Return a string with the names of input_xy catalog names
"""
catstr = self.name+' '
if 'input_xy' in self.catalog_names:
for xycat in self.catalog_names['input_xy']:
catstr += ' '+xycat
return catstr + '\n' | python | def get_xy_catnames(self):
""" Return a string with the names of input_xy catalog names
"""
catstr = self.name+' '
if 'input_xy' in self.catalog_names:
for xycat in self.catalog_names['input_xy']:
catstr += ' '+xycat
return catstr + '\n' | [
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spacetelescope/drizzlepac | drizzlepac/imgclasses.py | Image.get_shiftfile_row | def get_shiftfile_row(self):
""" Return the information for a shiftfile for this image to provide
compatability with the IRAF-based MultiDrizzle.
"""
if self.fit is not None:
rowstr = '%s %0.6f %0.6f %0.6f %0.6f %0.6f %0.6f\n'%(
self.name... | python | def get_shiftfile_row(self):
""" Return the information for a shiftfile for this image to provide
compatability with the IRAF-based MultiDrizzle.
"""
if self.fit is not None:
rowstr = '%s %0.6f %0.6f %0.6f %0.6f %0.6f %0.6f\n'%(
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spacetelescope/drizzlepac | drizzlepac/imgclasses.py | Image.clean | def clean(self):
""" Remove intermediate files created.
"""
#TODO: add cleaning of mask files, *if* created ...
for f in self.catalog_names:
if 'match' in f:
if os.path.exists(self.catalog_names[f]):
log.info('Deleting intermediate match fi... | python | def clean(self):
""" Remove intermediate files created.
"""
#TODO: add cleaning of mask files, *if* created ...
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spacetelescope/drizzlepac | drizzlepac/imgclasses.py | RefImage.clean | def clean(self):
""" Remove intermediate files created
"""
if not util.is_blank(self.catalog.catname) and os.path.exists(self.catalog.catname):
os.remove(self.catalog.catname) | python | def clean(self):
""" Remove intermediate files created
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spacetelescope/drizzlepac | drizzlepac/imageObject.py | baseImageObject.close | def close(self):
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spacetelescope/drizzlepac | drizzlepac/imageObject.py | baseImageObject.clean | def clean(self):
""" Deletes intermediate products generated for this imageObject.
"""
clean_files = ['blotImage','crmaskImage','finalMask',
'staticMask','singleDrizMask','outSky',
'outSContext','outSWeight','outSingle',
'ou... | python | def clean(self):
""" Deletes intermediate products generated for this imageObject.
"""
clean_files = ['blotImage','crmaskImage','finalMask',
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'outSContext','outSWeight','outSingle',
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spacetelescope/drizzlepac | drizzlepac/imageObject.py | baseImageObject.getData | def getData(self,exten=None):
""" Return just the data array from the specified extension
fileutil is used instead of fits to account for non-
FITS input images. openImage returns a fits object.
"""
if exten.lower().find('sci') > -1:
# For SCI extensions, the ... | python | def getData(self,exten=None):
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spacetelescope/drizzlepac | drizzlepac/imageObject.py | baseImageObject.getHeader | def getHeader(self,exten=None):
""" Return just the specified header extension fileutil
is used instead of fits to account for non-FITS
input images. openImage returns a fits object.
"""
_image=fileutil.openImage(self._filename, clobber=False, memmap=False)
_heade... | python | def getHeader(self,exten=None):
""" Return just the specified header extension fileutil
is used instead of fits to account for non-FITS
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"""
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spacetelescope/drizzlepac | drizzlepac/imageObject.py | baseImageObject.updateData | def updateData(self,exten,data):
""" Write out updated data and header to
the original input file for this object.
"""
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fimg = fileutil.openImage(self._filename, mode='update', memmap=False)
fimg[_extnum].data = data
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""" Write out updated data and header to
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"""
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spacetelescope/drizzlepac | drizzlepac/imageObject.py | baseImageObject.getAllData | def getAllData(self,extname=None,exclude=None):
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spacetelescope/drizzlepac | drizzlepac/imageObject.py | baseImageObject._findExtnames | def _findExtnames(self, extname=None, exclude=None):
""" This method builds a list of all extensions which have 'EXTNAME'==extname
and do not include any extensions with 'EXTNAME'==exclude, if any are
specified for exclusion at all.
"""
#make a list of the available exten... | python | def _findExtnames(self, extname=None, exclude=None):
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spacetelescope/drizzlepac | drizzlepac/imageObject.py | baseImageObject.findExtNum | def findExtNum(self, extname=None, extver=1):
"""Find the extension number of the give extname and extver."""
extnum = None
extname = extname.upper()
if not self._isSimpleFits:
for ext in self._image:
if (hasattr(ext,'_extension') and 'IMAGE' in ext._extensio... | python | def findExtNum(self, extname=None, extver=1):
"""Find the extension number of the give extname and extver."""
extnum = None
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spacetelescope/drizzlepac | drizzlepac/imageObject.py | baseImageObject._assignRootname | def _assignRootname(self, chip):
""" Assign a unique rootname for the image based in the expname. """
extname=self._image[self.scienceExt,chip].header["EXTNAME"].lower()
extver=self._image[self.scienceExt,chip].header["EXTVER"]
expname = self._rootname
# record extension-based n... | python | def _assignRootname(self, chip):
""" Assign a unique rootname for the image based in the expname. """
extname=self._image[self.scienceExt,chip].header["EXTNAME"].lower()
extver=self._image[self.scienceExt,chip].header["EXTVER"]
expname = self._rootname
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spacetelescope/drizzlepac | drizzlepac/imageObject.py | baseImageObject._setOutputNames | def _setOutputNames(self,rootname,suffix='_drz'):
""" Define the default output filenames for drizzle products,
these are based on the original rootname of the image
filename should be just 1 filename, so call this in a loop
for chip names contained inside a file.
"""... | python | def _setOutputNames(self,rootname,suffix='_drz'):
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spacetelescope/drizzlepac | drizzlepac/imageObject.py | baseImageObject._initVirtualOutputs | def _initVirtualOutputs(self):
""" Sets up the structure to hold all the output data arrays for
this image in memory.
"""
self.virtualOutputs = {}
for product in self.outputNames:
self.virtualOutputs[product] = None | python | def _initVirtualOutputs(self):
""" Sets up the structure to hold all the output data arrays for
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self.virtualOutputs = {}
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] | 15bec3c929a6a869d9e71b9398ced43ede0620f1 | https://github.com/spacetelescope/drizzlepac/blob/15bec3c929a6a869d9e71b9398ced43ede0620f1/drizzlepac/imageObject.py#L417-L423 | train |
spacetelescope/drizzlepac | drizzlepac/imageObject.py | baseImageObject.saveVirtualOutputs | def saveVirtualOutputs(self,outdict):
""" Assign in-memory versions of generated products for this
``imageObject`` based on dictionary 'outdict'.
"""
if not self.inmemory:
return
for outname in outdict:
self.virtualOutputs[outname] = outdict[outname] | python | def saveVirtualOutputs(self,outdict):
""" Assign in-memory versions of generated products for this
``imageObject`` based on dictionary 'outdict'.
"""
if not self.inmemory:
return
for outname in outdict:
self.virtualOutputs[outname] = outdict[outname] | [
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spacetelescope/drizzlepac | drizzlepac/imageObject.py | baseImageObject.getOutputName | def getOutputName(self,name):
""" Return the name of the file or PyFITS object associated with that
name, depending on the setting of self.inmemory.
"""
val = self.outputNames[name]
if self.inmemory: # if inmemory was turned on...
# return virtualOutput object saved w... | python | def getOutputName(self,name):
""" Return the name of the file or PyFITS object associated with that
name, depending on the setting of self.inmemory.
"""
val = self.outputNames[name]
if self.inmemory: # if inmemory was turned on...
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spacetelescope/drizzlepac | drizzlepac/imageObject.py | baseImageObject.updateOutputValues | def updateOutputValues(self,output_wcs):
""" Copy info from output WCSObject into outputnames for each chip
for use in creating outputimage object.
"""
outputvals = self.outputValues
outputvals['output'] = output_wcs.outputNames['outFinal']
outputvals['outnx'], outputval... | python | def updateOutputValues(self,output_wcs):
""" Copy info from output WCSObject into outputnames for each chip
for use in creating outputimage object.
"""
outputvals = self.outputValues
outputvals['output'] = output_wcs.outputNames['outFinal']
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