Esempio n. 1
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def parse_sgwn_comments():
    retval = {}
    lines = storage.vofile('vos:sgwyn/tkBAD').read().splitlines()
    for line in lines:
        ln = line.partition(' ')
        retval[ln[0]] = ln[2]

    return retval
Esempio n. 2
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def parse_sgwn_comments():
    retval = {}
    lines = storage.vofile('vos:sgwyn/tkBAD', 'r').read().splitlines()
    for line in lines:
        ln = line.partition(' ')
        retval[ln[0]] = ln[2]

    return retval
Esempio n. 3
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def generate_MegaCam_previews(image_id):
    # modified from script by Chris Willott
    fitsfile = storage.vofile(storage.DBIMAGES + '/' + image_id)
    prev1file = "%s_preview_256.jpg" % (image_id)
    prev2file = "%s_preview_1024.jpg" % (image_id)
    prev3file = "%s_preview_zoom_1024.jpg" % (image_id)

    prim_hdr = pyfits.open(fitsfile, "update")
    numextens = prim_hdr[0].header['NEXTEND']

    cmd3 = "ds9 -mosaicimage wcs  %s   -geometry 258x505 -rotate 180 -scale squared -scale mode zscale " \
           "-scale scope global -scale datasec yes  -invert -mode no -view colorbar no  -zoom to fit  " \
           "-saveimage jpeg  %s -quit" % (fitsfile, prev1file)
    cmd4 = "ds9 -mosaicimage wcs  %s  -geometry 1026x1273 -rotate 180 -scale squared -scale mode zscale " \
           "-scale scope global -scale datasec yes -invert -view colorbar no  -zoom to fit " \
           "-saveimage jpeg  %s -quit" % (fitsfile, prev2file)

    # Sometimes MegaCam images have fewer than 23 chips available.
    if numextens >= 23:
        cmd5 = "ds9 -fits  %s[23] -pan -9 1780 image -geometry 1026x1273  -scale squared -scale mode zscale " \
               "-scale scope global -scale datasec yes -invert -mode no -view colorbar no -zoom 1  " \
               "-saveimage jpeg  %s -quit" % (fitsfile, prev3file)
    elif numextens >= 14:
        cmd5 = "ds9 -fits  %s[14] -pan -9 1780 image -geometry 1026x1273  -rotate 180 -scale squared " \
               "-scale mode zscale -scale scope global -scale datasec yes -invert -mode no -view colorbar no " \
               "-zoom 1 -saveimage jpeg  %s -quit" % (fitsfile, prev3file)
    else:
        cmd5 = "ds9 -fits  %s[1] -pan -9 1780 image -geometry 1026x1273  -rotate 180 -scale squared " \
               "-scale mode zscale -scale scope global -scale datasec yes -invert -mode no -view colorbar no " \
               "-zoom 1 -saveimage jpeg  %s -quit" % (fitsfile, prev3file)

    # Start ds9 processes but kill ds9 if takes longer than 60 seconds
    for cmdnum in [cmd3, cmd4, cmd5]:
        args = shlex.split(cmdnum)
        p = Popen(args)
        pid = p.pid
        # need to add a timeout after 60 sec if image isn't opened by ds9 in that time

    return
Esempio n. 4
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def generate_MegaCam_previews(image_id):
    # modified from script by Chris Willott
    fitsfile = storage.vofile(storage.DBIMAGES + '/' + image_id)
    prev1file = "%s_preview_256.jpg" % (image_id)
    prev2file = "%s_preview_1024.jpg" % (image_id)
    prev3file = "%s_preview_zoom_1024.jpg" % (image_id)

    prim_hdr = pyfits.open(fitsfile, "update")
    numextens = prim_hdr[0].header['NEXTEND']

    cmd3 = "ds9 -mosaicimage wcs  %s   -geometry 258x505 -rotate 180 -scale squared -scale mode zscale " \
           "-scale scope global -scale datasec yes  -invert -mode no -view colorbar no  -zoom to fit  " \
           "-saveimage jpeg  %s -quit" % (fitsfile, prev1file)
    cmd4 = "ds9 -mosaicimage wcs  %s  -geometry 1026x1273 -rotate 180 -scale squared -scale mode zscale " \
           "-scale scope global -scale datasec yes -invert -view colorbar no  -zoom to fit " \
           "-saveimage jpeg  %s -quit" % (fitsfile, prev2file)

    # Sometimes MegaCam images have fewer than 23 chips available.
    if numextens >= 23:
        cmd5 = "ds9 -fits  %s[23] -pan -9 1780 image -geometry 1026x1273  -scale squared -scale mode zscale " \
               "-scale scope global -scale datasec yes -invert -mode no -view colorbar no -zoom 1  " \
               "-saveimage jpeg  %s -quit" % (fitsfile, prev3file)
    elif numextens >= 14:
        cmd5 = "ds9 -fits  %s[14] -pan -9 1780 image -geometry 1026x1273  -rotate 180 -scale squared " \
               "-scale mode zscale -scale scope global -scale datasec yes -invert -mode no -view colorbar no " \
               "-zoom 1 -saveimage jpeg  %s -quit" % (fitsfile, prev3file)
    else:
        cmd5 = "ds9 -fits  %s[1] -pan -9 1780 image -geometry 1026x1273  -rotate 180 -scale squared " \
               "-scale mode zscale -scale scope global -scale datasec yes -invert -mode no -view colorbar no " \
               "-zoom 1 -saveimage jpeg  %s -quit" % (fitsfile, prev3file)

    # Start ds9 processes but kill ds9 if takes longer than 60 seconds
    for cmdnum in [cmd3, cmd4, cmd5]:
        args = shlex.split(cmdnum)
        p = Popen(args)
        pid = p.pid
        # need to add a timeout after 60 sec if image isn't opened by ds9 in that time

    return
Esempio n. 5
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 def open(self, filename):
     return storage.vofile(self.get_full_path(filename), os.O_RDONLY)
Esempio n. 6
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 def _get_file_size_by_downloading(self, filename):
     filehandle = storage.vofile(self.get_full_path(filename), os.O_RDONLY)
     contents = filehandle.read()
     filehandle.close()
     return len(contents)
Esempio n. 7
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 def open(self, filename):
     return storage.vofile(self.get_full_path(filename), os.O_RDONLY)
Esempio n. 8
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 def _get_file_size_by_downloading(self, filename):
     filehandle = storage.vofile(self.get_full_path(filename), os.O_RDONLY)
     contents = filehandle.read()
     filehandle.close()
     return len(contents)