def test_origins(self, plateifu, origin, dir3d):
im = Image(plateifu)
assert im.plateifu == plateifu
assert im.data_origin == origin
if not check_versions(im._drpver, 'v2_5_3'):
assert dir3d in im._getFullPath()
def show_image(input, **kwargs):
''' Shows a Marvin Image
This is a thin wrapper for :func:`marvin.tools.image.Image.show`
See :class:`marvin.tools.image.Image` for a full list of
inputs and keywords. This is meant to replace showImage
'''
from marvin.tools.image import Image
image = Image(input, **kwargs)
image.show()
def get_random_images(num, release=None, download=None):
''' Get a random set of Images
Gets a random set of Marvin Images. Optionally can download them
in bulk.
Parameters:
num (int):
The number of random images to grab
download (bool):
If True, also downloads all the images locally
release (str):
The release of the data to grab images for
Returns:
A list of Marvin Images
'''
from marvin.tools.image import Image
images = Image.get_random(num=num, release=release)
if download:
_download_images(images, label='by_random')
return images
def get_images_by_list(inputlist, release=None, download=None):
''' Get Images by List
Gets Marvin Images by an input list. Optionally can download them
in bulk.
Parameters:
inputlist (int):
The list of ids to grab images for
download (bool):
If True, also downloads all the images locally
release (str):
The release of the data to grab images for
Returns:
A list of Marvin Images
'''
from marvin.tools.image import Image
assert isinstance(inputlist, (list, np.ndarray)), 'Input must be of type list or Numpy array'
images = Image.from_list(inputlist, release=release)
if download:
_download_images(images, label='by_list')
return images
def get_images_by_plate(plateid, download=None, release=None):
''' Get Images by Plate
Gets Marvin Images by a plate id. Optionally can download them
in bulk.
Parameters:
plateid (int):
The plate id to grab images for
download (bool):
If True, also downloads all the images locally
release (str):
The release of the data to grab images for
Returns:
A list of Marvin Images
'''
from marvin.tools.image import Image
assert str(plateid).isdigit(), 'Plateid must be a numeric integer value'
images = Image.by_plate(plateid, release=release)
if download:
_download_images(images, label='by_plate')
return images
def get_mass_images(self, return_images=True, barred=True, jbh=False):
"""
Get images of Mass based MWAs
Parameters
----------
return_images: 'bool', optional, must be keyword
if True, returns images
if False, adds images to class
jbh: 'bool', optional, must be keyword
if True, uses JBH Stellarr Mass estimate
barred: 'bool', optional, must be keyword
if True, returns barred galaxies only
if False, returns non-barred galaxies only
"""
if jbh:
if barred:
images = Image.from_list(self.mass_jbh_mwa_dap["PLATEIFU"])
if return_images:
return images
else:
self.mass_jbh_mwa_images = images
else:
images = Image.from_list(
self.mass_jbh_mwa_nobar_dap["PLATEIFU"])
if return_images:
return images
else:
self.mass_jbh_mwa_nobar_images = images
else:
if barred:
images = Image.from_list(self.mass_mwa_dap["PLATEIFU"])
if return_images:
return images
else:
self.mass_mwa_images = images
else:
images = Image.from_list(self.mass_mwa_nobar_dap["PLATEIFU"])
if return_images:
return images
else:
self.mass_mwa_nobar_images = images
def test_attributes(self, plateifu, release):
im = Image(plateifu, release=release)
if release == 'MPL-4':
assert im.wcs is None
assert im.header is None
assert im.ra is None
assert not hasattr(im, 'bundle')
else:
assert im.wcs is not None
assert im.header is not None
assert im.ra is not None
assert hasattr(im, 'bundle')
def test_imversion(self):
im = Image('8485-1901', release='MPL-7')
fp = im._getFullPath()
assert 'stack' in fp
im = Image('8485-1901', release='MPL-9')
fp = im._getFullPath()
assert 'stack' not in fp
def test_fromlist(self):
plateifu = ['8485-1901', '7443-12701']
images = Image.from_list(plateifu)
names = [im.plateifu for im in images]
assert plateifu == names
def test_release(self, plateifu):
im = Image(plateifu, release='MPL-5')
assert im.release == 'MPL-5'
def test_origins(self, plateifu, origin, dir3d):
im = Image(plateifu)
assert im.plateifu == plateifu
assert im.data_origin == origin
assert dir3d in im._getFullPath()
def image():
im = Image('8485-1901')
yield im
im = None
def test_byplate(self):
images = Image.by_plate(8485)
assert isinstance(images, list)
assert images[0].plate == 8485
def test_getrandom(self):
images = Image.get_random(2)
assert len(images) == 2