def world_axis_physical_types(self):
"""
Returns an iterable of strings describing the physical type for each world axis.
The strings conform to the International Virtual Observatory Alliance
standard, UCD1+ controlled Vocabulary. For a description of the standard and
definitions of the different strings and string components,
see http://www.ivoa.net/documents/latest/UCDlist.html.
"""
ctype = list(self.wcs.wcs.ctype)
axes_ctype = []
for i, axis in enumerate(self.missing_axis):
if not axis:
# Find keys in wcs_ivoa_mapping dict that represent start of CTYPE.
# Ensure CTYPE is capitalized.
keys = list(
filter(lambda key: ctype[i].upper().startswith(key),
wcs_ivoa_mapping))
# If there are multiple valid keys, raise an error.
if len(keys) != 1:
raise ValueError(
"Non-unique CTYPE key. Please raise an issue at "
"https://github.com/sunpy/ndcube/issues citing the"
"following CTYPE and non-unique keys: "
"CTYPE = {0}; keys = {1}".format(ctype[i], keys))
else:
key = keys[0]
axes_ctype.append(wcs_ivoa_mapping.get(key, default=None))
return tuple(axes_ctype[::-1])
def world_axis_physical_types(self):
"""
Returns an iterable of strings describing the physical type for each world axis.
The strings conform to the International Virtual Observatory Alliance
standard, UCD1+ controlled Vocabulary. For a description of the standard and
definitions of the different strings and string components,
see http://www.ivoa.net/documents/latest/UCDlist.html.
"""
ctype = list(self.wcs.wcs.ctype)
axes_ctype = []
for i, axis in enumerate(self.missing_axis):
if not axis:
key = ctype[i]
if "-TAN" in key:
key = key[:-4]
axes_ctype.append(wcs_ivoa_mapping.get(key, default=None))
return tuple(axes_ctype[::-1])
def world_axis_physical_types(self):
"""
Returns an iterable of strings describing the physical type for each world axis.
The strings conform to the International Virtual Observatory Alliance
standard, UCD1+ controlled Vocabulary. For a description of the standard and
definitions of the different strings and string components,
see http://www.ivoa.net/documents/latest/UCDlist.html.
"""
ctype = list(self.wcs.wcs.ctype)
axes_ctype = []
for i, axis in enumerate(self.missing_axis):
if not axis:
# Find keys in wcs_ivoa_mapping dict that represent start of CTYPE.
# Ensure CTYPE is capitalized.
keys = list(
filter(lambda key: ctype[i].upper().startswith(key),
wcs_ivoa_mapping))
# Assuming CTYPE is supported by wcs_ivoa_mapping, use its corresponding axis name.
if len(keys) == 1:
axis_name = wcs_ivoa_mapping.get(keys[0])
# If CTYPE not supported, raise a warning and set the axis name to CTYPE.
elif len(keys) == 0:
warnings.warn(
"CTYPE not recognized by ndcube. "
"Please raise an issue at "
"https://github.com/sunpy/ndcube/issues citing the "
"unsupported CTYPE as we'll include it: "
"CTYPE = {0}".format(ctype[i]))
axis_name = "custom:{0}".format(ctype[i])
# If there are multiple valid keys, raise an error.
else:
raise ValueError(
"Non-unique CTYPE key. Please raise an issue at "
"https://github.com/sunpy/ndcube/issues citing the "
"following CTYPE and non-unique keys: "
"CTYPE = {0}; keys = {1}".format(ctype[i], keys))
axes_ctype.append(axis_name)
return tuple(axes_ctype[::-1])
def world_axis_physical_types(self):
"""
Returns an iterable of strings describing the physical type for each world axis.
The strings conform to the International Virtual Observatory Alliance
standard, UCD1+ controlled Vocabulary. For a description of the standard and
definitions of the different strings and string components,
see http://www.ivoa.net/documents/latest/UCDlist.html.
"""
ctype = list(self.wcs.wcs.ctype)
axes_ctype = []
for i, axis in enumerate(self.missing_axes):
if not axis:
# Find keys in wcs_ivoa_mapping dict that represent start of CTYPE.
# Ensure CTYPE is capitalized.
keys = list(filter(lambda key: ctype[i].upper().startswith(key), wcs_ivoa_mapping))
# Assuming CTYPE is supported by wcs_ivoa_mapping, use its corresponding axis name.
if len(keys) == 1:
axis_name = wcs_ivoa_mapping.get(keys[0])
# If CTYPE not supported, raise a warning and set the axis name to CTYPE.
elif len(keys) == 0:
warnings.warn("CTYPE not recognized by ndcube. "
"Please raise an issue at "
"https://github.com/sunpy/ndcube/issues citing the "
"unsupported CTYPE as we'll include it: "
"CTYPE = {0}".format(ctype[i]))
axis_name = "custom:{0}".format(ctype[i])
# If there are multiple valid keys, raise an error.
else:
raise ValueError("Non-unique CTYPE key. Please raise an issue at "
"https://github.com/sunpy/ndcube/issues citing the "
"following CTYPE and non-unique keys: "
"CTYPE = {0}; keys = {1}".format(ctype[i], keys))
axes_ctype.append(axis_name)
return tuple(axes_ctype[::-1])