def __new__(cls,
viewer='ds9',
path=None,
use_existing=False,
use_dragons=False,
wait_time=10,
quit_window=True,
port=None,
browser=None):
_possible_viewers = []
if have_xpa:
_possible_viewers.append("ds9")
if have_ginga:
_possible_viewers.append('ginga')
vwr = viewer.lower()
if vwr not in _possible_viewers or len(_possible_viewers) == 0:
raise NotImplementedError(f"Unsupported viewer {vwr}, check your "
"installed packages and install imexam "
"and ginga")
# Here's the DRAGONS-specific stuff
if 'ds9' in vwr:
target = None
existing_ds9_viewers = [
v[0] for v in imexam.list_active_ds9(False).values()
]
if use_dragons:
if 'DRAGONS' in existing_ds9_viewers:
target = 'DRAGONS'
elif use_existing and len(existing_ds9_viewers):
target = existing_ds9_viewers[0]
# This Exception will be picked up by the dormant viewer
if target is None and use_existing:
raise ValueError("No existing viewer to use.")
instance = ds9Viewer(target=target,
path=path,
wait_time=wait_time,
quit_ds9_on_del=quit_window)
else: # Must be ginga if we've got this far
instance = gingaViewer(port=port,
close_on_del=quit_window,
browser=browser)
instance.logfile = 'imexam_log.txt' # default logfile name
if have_xpa:
instance.log = imexam.util.set_logging(
) # points to the package logger
instance._current_slice = None
instance._current_frame = None
return instance
def run_inet_ds9(self):
"""start a new ds9 window using an inet socket connection.
Notes
-----
It is given a unique title so it can be identified later. I have
copied this method so we can give the window a nice DRAGONS-y name.
"""
env = os.environ
existing_ds9_viewers = [
v[0] for v in imexam.list_active_ds9(False).values()
]
xpaname = 'DRAGONS'
n = 1
while xpaname in existing_ds9_viewers:
n += 1
xpaname = 'DRAGONS_{}'.format(n)
try:
p = Popen([self._ds9_path, "-xpa", "inet", "-title", xpaname],
shell=False,
env=env)
self._ds9_process = p
self._process_list.append(p)
self._need_to_purge = False
time.sleep(2)
return xpaname
except Exception as e: # refine error class
warnings.warn("Opening ds9 failed")
print("Exception: {}".format(repr(e)))
from signal import SIGTERM
try:
pidtokill = p.pid
except NameError:
# in case p failed at the initialization level
pidtokill = None
if pidtokill is not None:
os.kill(pidtokill, SIGTERM)
raise e
# ============================================================================ #
# Helper script to iterate through the images and allow interaction with DS9 to
# get the sky values
# Script 1 of 3 to run
# Output: Single file with imexam stats for each image.
# ============================================================================ #
from os import walk
import imexam
from box_stats import real_m_stats
mypath = '/home/emc/GoogleDrive/Phys/Research/BothunLab/SkyPhotos/NewCamera'
#Collect the address for the current DS9 window
ds9data = imexam.list_active_ds9()
ds9data = ds9data.split()
XPA_METHOD = ds9data[3]
print('Current default path is {}'.format(mypath))
use_default = raw_input('Use default path? (y/n) ')
if use_default == 'n':
mypath = raw_input('Enter full path of top level directory containing '
'images: ')
elif use_default == 'y':
img_directory = raw_input('Enter top level dated image directory: ')
mypath = mypath + '/' + img_directory
# Connect to DS9 and register a new task with imexam to gather stats
v = imexam.connect(XPA_METHOD)