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salthrspreprocess.py
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salthrspreprocess.py
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################################# LICENSE ##################################
# Copyright (c) 2009, South African Astronomical Observatory (SAAO) #
# All rights reserved. #
# #
# Redistribution and use in source and binary forms, with or without #
# modification, are permitted provided that the following conditions #
# are met: #
# #
# * Redistributions of source code must retain the above copyright #
# notice, this list of conditions and the following disclaimer. #
# * Redistributions in binary form must reproduce the above copyright #
# notice, this list of conditions and the following disclaimer #
# in the documentation and/or other materials provided with the #
# distribution. #
# * Neither the name of the South African Astronomical Observatory #
# (SAAO) nor the names of its contributors may be used to endorse #
# or promote products derived from this software without specific #
# prior written permission. #
# #
# THIS SOFTWARE IS PROVIDED BY THE SAAO ''AS IS'' AND ANY EXPRESS OR #
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED #
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE #
# DISCLAIMED. IN NO EVENT SHALL THE SAAO BE LIABLE FOR ANY #
# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL #
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS #
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) #
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, #
# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN #
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE #
# POSSIBILITY OF SUCH DAMAGE. #
############################################################################
#!/usr/bin/env python
# Author Version Date Comment
# -----------------------------------------------------------------------
# S M Crawford (SAAO) 0.3 11 Oct 2013
# salthrspreprocess converts .fit files to fits and places HRS data
# into the standard SALT fits format
import os, glob
import saltsafeio as saltio
debug=True
# -----------------------------------------------------------
# core routine
def salthrspreprocess(inpath,outpath,clobber=True, log=None,verbose=True):
"""Convert .fit files to .fits files and place HRS data into
standard SALT FITS format
"""
#first get a list of images in the directory
infiles=glob.glob(inpath+'*.fit')
if log is not None:
log.message('Processing HRS data in %s' % inpath)
#open the file and write out as a fits files in the output directory
for img in infiles:
if os.path.getsize(img) < 10000000:
log.message('Image {} is too small and not usable'.format(img))
continue
oimg=outpath+os.path.basename(img)+'s'
hdu=saltio.openfits(img)
hdu=hrsprepare(hdu)
if log is not None:
log.message('Writing %s to %s' % (img, oimg), with_header=False)
saltio.writefits(hdu, oimg, clobber=clobber)
hdu.close()
return
def hrsprepare(hdu):
"""Prepare HRS data to be similar to other SALT file formats
This includes splitting each amplifier into multi-extension
formats
"""
return hdu