def setUpClass(cls):
# Create a temporary directory.
cls.tmpdir = tempfile.mkdtemp()
cls.ap2 = int(AstropyVersion.split('.')[0])
# Needed for time tests.
cls.location = EarthLocation.from_geodetic(lat=31.963972222 * u.deg,
lon=-111.599336111 * u.deg,
height=2120 * u.m)
def setUpClass(cls):
cls.astropyVersion = int(astropyVersion.split('.')[0])
cls.maxDiff = None
cls.data_dir = tempfile.mkdtemp()
if DM in os.environ:
cls.old_env = os.environ[DM]
else:
cls.old_env = None
os.environ[DM] = os.path.dirname( # root/
os.path.dirname( # py/
os.path.dirname( # desidatamodel/
os.path.dirname(__file__)))) # test/
cls.doc_dir = os.path.join(os.environ[DM], 'doc')
def astropy_version_check(minimum):
"""
Check if *astropy* package is installed at given or later version.
Parameters :
minimum: *str*
Minimum version, e.g., *'3.1.2'*.
Returns :
out: *bool*
Is the installed version later?
"""
current = astropy__version__.split(".")
required = minimum.split(".")
for i in range(len(required)):
if int(current[i]) < int(required[i]):
return False
return True
Useful quantities to be used throughout the sami package.
Note that actual use of these values varies: some modules correctly use this
module, but others define these values themselves, so do not assume that a
change made here will be correctly propagated everywhere.
"""
from __future__ import absolute_import, division, print_function, unicode_literals
import astropy.units as u
import astropy.coordinates as coords
import os.path
from astropy import __version__ as ASTROPY_VERSION
# This script contains constants that are used in other SAMI packages.
ASTROPY_VERSION = tuple(int(x) for x in ASTROPY_VERSION.split('.'))
# ----------------------------------------------------------------------------------------
# Approximate plate scale
plate_scale = 15.22
# Diameter of individual SAMI fibres in arcseconds
fibre_diameter_arcsec = 1.6
# ----------------------------------------------------------------------------------------
# ----------------------------------------------------------------------------------------
# For Andy's dome windscreen position script.
# Distance between the polar and declination axes
polar_declination_dist = 0.0625 # dome radii