cansas_constants.py @ 71ac835

Last change on this file since 71ac835 was 250fec92, checked in by krzywon, 8 years ago
Closes #596: Major rewrite to canSAS XML reader to create separate Data1D objects for each SASdata. Also fixed a few bugs that were present in the reader, that were not caught until now.
Property mode set to `100644`
File size: 20.1 KB

Rev	Line
[682c432]	1	"""
	2	Information relating to the CanSAS data format. These constants are used in
	3	the cansas_reader.py file to read in any version of the cansas format.
	4	"""
	5	class CansasConstants(object):
	6	"""
	7	The base class to define where all of the data is to be saved by
	8	cansas_reader.py.
	9	"""
	10	names = ''
	11	format = ''
	12
	13	def __init__(self):
	14	self.names = self.CANSAS_NS
	15	self.format = self.CANSAS_FORMAT
	16
	17	def iterate_namespace(self, namespace):
	18	"""
	19	Method to iterate through a cansas constants tree based on a list of
	20	names
	21
	22	:param namespace: A list of names that match the tree structure of
	23	cansas_constants
	24	"""
	25	# The current level to look through in cansas_constants.
	26	return_me = CurrentLevel()
	27	return_me.current_level = self.CANSAS_FORMAT.get("SASentry")
	28	# Defaults for variable and datatype
	29	return_me.ns_datatype = "content"
	30	return_me.ns_optional = True
	31	for name in namespace:
	32	try:
	33	if name != "SASentry":
	34	return_me.current_level = \
	35	return_me.current_level.get("children").get(name, "")
	36	if return_me.current_level == "":
	37	return_me.current_level = \
	38	return_me.current_level.get("<any>", "")
	39	cl_datatype = return_me.current_level.get("storeas", "")
	40	cl_units_optional = \
[250fec92]	41	return_me.current_level.get("units_optional", "")
[682c432]	42	# Where are how to store the variable for the given
	43	# namespace CANSAS_CONSTANTS tree is hierarchical, so
	44	# is no value, inherit
	45	return_me.ns_datatype = cl_datatype if cl_datatype != "" \
	46	else return_me.ns_datatype
	47	return_me.ns_optional = cl_units_optional if \
	48	cl_units_optional != return_me.ns_optional \
	49	else return_me.ns_optional
	50	except AttributeError:
	51	return_me.ns_datatype = "content"
	52	return_me.ns_optional = True
	53	return return_me
	54
	55	def get_namespace_map(self):
	56	"""
	57	Helper method to get the names namespace list
	58	"""
	59	return self.names
	60
	61	# CANSAS_NS holds the base namespace and default schema file information
	62	CANSAS_NS = {"1.0" : {"ns" : "cansas1d/1.0",
	63	"schema" : "cansas1d_v1_0.xsd"
	64	},
	65	"1.1" : {"ns" : "urn:cansas1d:1.1",
	66	"schema" : "cansas1d_v1_1.xsd"
	67	}
	68	}
	69
	70	# The constants below hold information on where to store the CanSAS data
	71	# when loaded in using sasview
[250fec92]	72	ANY = {"storeas" : "content"}
	73	TITLE = {}
	74	SASNOTE = {}
	75	SASPROCESS_TERM = {"attributes" : {"unit" : {}, "name" : {}}}
	76	SASPROCESS_SASPROCESSNOTE = {"children" : {"<any>" : ANY}}
	77	SASPROCESS = {"children" : {"name" : {},
	78	"date" : {},
	79	"description" : {},
[682c432]	80	"term" : SASPROCESS_TERM,
	81	"SASprocessnote" : SASPROCESS_SASPROCESSNOTE,
	82	"<any>" : ANY
	83	},
	84	}
[250fec92]	85	RUN = {"attributes" : {"name" :{}}}
	86	SASDATA_IDATA_Q = {"units_optional" : False,
	87	"storeas" : "float",
	88	"unit" : "x_unit",
	89	"attributes" : {"unit" : {"storeas" : "content"}},
[682c432]	90	}
[250fec92]	91	SASDATA_IDATA_I = {"units_optional" : False,
	92	"storeas" : "float",
	93	"unit" : "y_unit",
	94	"attributes" : {"unit" : {"storeas" : "content"}},
[682c432]	95	}
[250fec92]	96	SASDATA_IDATA_IDEV = {"units_optional" : False,
	97	"storeas" : "float",
[682c432]	98	"unit" : "y_unit",
[250fec92]	99	"attributes" : {"unit" : {"storeas" : "content"}},
[682c432]	100	}
[250fec92]	101	SASDATA_IDATA_QDEV = {"units_optional" : False,
	102	"storeas" : "float",
[682c432]	103	"unit" : "x_unit",
[250fec92]	104	"attributes" : {"unit" : {"storeas" : "content"}},
[682c432]	105	}
[250fec92]	106	SASDATA_IDATA_DQL = {"units_optional" : False,
	107	"storeas" : "float",
[682c432]	108	"unit" : "x_unit",
[250fec92]	109	"attributes" : {"unit" : {"storeas" : "content"}},
[682c432]	110	}
[250fec92]	111	SASDATA_IDATA_DQW = {"units_optional" : False,
	112	"storeas" : "float",
[682c432]	113	"unit" : "x_unit",
[250fec92]	114	"attributes" : {"unit" : {"storeas" : "content"}},
[682c432]	115	}
[250fec92]	116	SASDATA_IDATA_QMEAN = {"unit" : "x_unit",
	117	"attributes" : {"unit" : {}},
[682c432]	118	}
[250fec92]	119	SASDATA_IDATA_SHADOWFACTOR = {}
	120	SASDATA_IDATA = {"attributes" : {"name" : {},"timestamp" : {"storeas" : "timestamp"}},
[682c432]	121	"children" : {"Q" : SASDATA_IDATA_Q,
	122	"I" : SASDATA_IDATA_I,
	123	"Idev" : SASDATA_IDATA_IDEV,
	124	"Qdev" : SASDATA_IDATA_QDEV,
	125	"dQw" : SASDATA_IDATA_DQW,
	126	"dQl" : SASDATA_IDATA_DQL,
	127	"Qmean" : SASDATA_IDATA_QMEAN,
	128	"Shadowfactor" : SASDATA_IDATA_SHADOWFACTOR,
	129	"<any>" : ANY
	130	}
	131	}
[250fec92]	132	SASDATA = {"attributes" : {"name" : {}},
[682c432]	133	"variable" : None,
	134	"children" : {"Idata" : SASDATA_IDATA,
	135	"<any>" : ANY
	136	}
	137	}
[250fec92]	138	SASTRANSSPEC_TDATA_LAMDBA = {"storeas" : "float",
[682c432]	139	"unit" : "wavelength_unit",
[250fec92]	140	"attributes" : {"unit" : {"storeas" : "content"}}
[682c432]	141	}
[250fec92]	142	SASTRANSSPEC_TDATA_T = {"storeas" : "float",
[682c432]	143	"unit" : "transmission_unit",
[250fec92]	144	"attributes" : {"unit" : {"storeas" : "content"}}
[682c432]	145	}
[250fec92]	146	SASTRANSSPEC_TDATA_TDEV = {"storeas" : "float",
[682c432]	147	"unit" : "transmission_deviation_unit",
[250fec92]	148	"attributes" : {"unit" :{"storeas" : "content"}}
[682c432]	149	}
[250fec92]	150	SASTRANSSPEC_TDATA = {"children" : {"Lambda" : SASTRANSSPEC_TDATA_LAMDBA,
[682c432]	151	"T" : SASTRANSSPEC_TDATA_T,
	152	"Tdev" : SASTRANSSPEC_TDATA_TDEV,
	153	"<any>" : ANY,
	154	}
	155	}
[250fec92]	156	SASTRANSSPEC = {"children" : {"Tdata" : SASTRANSSPEC_TDATA,
[682c432]	157	"<any>" : ANY,
	158	},
[250fec92]	159	"attributes" : {"name" :{}, "timestamp" : {},}
[682c432]	160	}
[250fec92]	161	SASSAMPLE_THICK = {"unit" : "thickness_unit",
[682c432]	162	"storeas" : "float",
[250fec92]	163	"attributes" : {"unit" :{}},
[682c432]	164	}
[250fec92]	165	SASSAMPLE_TRANS = {"storeas" : "float",}
	166	SASSAMPLE_TEMP = {"unit" : "temperature_unit",
[682c432]	167	"storeas" : "float",
[250fec92]	168	"attributes" :{"unit" :{}},
[682c432]	169	}
[250fec92]	170	SASSAMPLE_POS_ATTR = {"unit" : {}}
	171	SASSAMPLE_POS_X = {"unit" : "position_unit",
[682c432]	172	"storeas" : "float",
	173	"attributes" : SASSAMPLE_POS_ATTR
	174	}
[250fec92]	175	SASSAMPLE_POS_Y = {"unit" : "position_unit",
[682c432]	176	"storeas" : "float",
	177	"attributes" : SASSAMPLE_POS_ATTR
	178	}
[250fec92]	179	SASSAMPLE_POS_Z = {"unit" : "position_unit",
[682c432]	180	"storeas" : "float",
	181	"attributes" : SASSAMPLE_POS_ATTR
	182	}
[250fec92]	183	SASSAMPLE_POS = {"children" : {"x" : SASSAMPLE_POS_X,
[682c432]	184	"y" : SASSAMPLE_POS_Y,
	185	"z" : SASSAMPLE_POS_Z,
	186	},
	187	}
[250fec92]	188	SASSAMPLE_ORIENT_ATTR = {"unit" :{}}
	189	SASSAMPLE_ORIENT_ROLL = {"unit" : "orientation_unit",
[682c432]	190	"storeas" : "float",
	191	"attributes" : SASSAMPLE_ORIENT_ATTR
	192	}
[250fec92]	193	SASSAMPLE_ORIENT_PITCH = {"unit" : "orientation_unit",
[682c432]	194	"storeas" : "float",
	195	"attributes" : SASSAMPLE_ORIENT_ATTR
	196	}
[250fec92]	197	SASSAMPLE_ORIENT_YAW = {"unit" : "orientation_unit",
[682c432]	198	"storeas" : "float",
	199	"attributes" : SASSAMPLE_ORIENT_ATTR
	200	}
[250fec92]	201	SASSAMPLE_ORIENT = {"children" : {"roll" : SASSAMPLE_ORIENT_ROLL,
[682c432]	202	"pitch" : SASSAMPLE_ORIENT_PITCH,
	203	"yaw" : SASSAMPLE_ORIENT_YAW,
	204	},
	205	}
	206	SASSAMPLE = {"attributes" :
[250fec92]	207	{"name" : {},},
	208	"children" : {"ID" : {},
[682c432]	209	"thickness" : SASSAMPLE_THICK,
	210	"transmission" : SASSAMPLE_TRANS,
	211	"temperature" : SASSAMPLE_TEMP,
	212	"position" : SASSAMPLE_POS,
	213	"orientation" : SASSAMPLE_ORIENT,
[250fec92]	214	"details" : {},
[682c432]	215	"<any>" : ANY
	216	},
	217	}
[250fec92]	218	SASINSTR_SRC_BEAMSIZE_ATTR = {"unit" : ""}
	219	SASINSTR_SRC_BEAMSIZE_X = {"unit" : "beam_size_unit",
[682c432]	220	"storeas" : "float",
	221	"attributes" : SASINSTR_SRC_BEAMSIZE_ATTR
	222	}
[250fec92]	223	SASINSTR_SRC_BEAMSIZE_Y = {"unit" : "beam_size_unit",
[682c432]	224	"storeas" : "float",
	225	"attributes" : SASINSTR_SRC_BEAMSIZE_ATTR
	226	}
[250fec92]	227	SASINSTR_SRC_BEAMSIZE_Z = {"unit" : "beam_size_unit",
[682c432]	228	"storeas" : "float",
	229	"attributes" : SASINSTR_SRC_BEAMSIZE_ATTR
	230	}
[250fec92]	231	SASINSTR_SRC_BEAMSIZE = {"attributes" : {"name" : {}},
[682c432]	232	"children" : {"x" : SASINSTR_SRC_BEAMSIZE_X,
	233	"y" : SASINSTR_SRC_BEAMSIZE_Y,
	234	"z" : SASINSTR_SRC_BEAMSIZE_Z,
	235	}
	236	}
[250fec92]	237	SASINSTR_SRC_WL = {"unit" : "wavelength_unit",
[682c432]	238	"storeas" : "float",
[250fec92]	239	"attributes" : {"unit" :{},
[682c432]	240	}
	241	}
[250fec92]	242	SASINSTR_SRC_WL_MIN = {"unit" : "wavelength_min_unit",
[682c432]	243	"storeas" : "float",
[250fec92]	244	"attributes" : {"unit" :{"storeas" : "content"},}
[682c432]	245	}
[250fec92]	246	SASINSTR_SRC_WL_MAX = {"unit" : "wavelength_max_unit",
[682c432]	247	"storeas" : "float",
[250fec92]	248	"attributes" : {"unit" :{"storeas" : "content"},}
[682c432]	249	}
[250fec92]	250	SASINSTR_SRC_WL_SPR = {"unit" : "wavelength_spread_unit",
[682c432]	251	"storeas" : "float",
[250fec92]	252	"attributes" : {"unit" : {"storeas" : "content"},}
[682c432]	253	}
[250fec92]	254	SASINSTR_SRC = {"attributes" : {"name" : {}},
	255	"children" : {"radiation" : {},
[682c432]	256	"beam_size" : SASINSTR_SRC_BEAMSIZE,
[250fec92]	257	"beam_shape" : {},
[682c432]	258	"wavelength" : SASINSTR_SRC_WL,
	259	"wavelength_min" : SASINSTR_SRC_WL_MIN,
	260	"wavelength_max" : SASINSTR_SRC_WL_MAX,
	261	"wavelength_spread" : SASINSTR_SRC_WL_SPR,
	262	},
	263	}
[250fec92]	264	SASINSTR_COLL_APER_ATTR = {"unit" : {}}
	265	SASINSTR_COLL_APER_X = {"unit" : "size_unit",
[682c432]	266	"storeas" : "float",
	267	"attributes" : SASINSTR_COLL_APER_ATTR
	268	}
[250fec92]	269	SASINSTR_COLL_APER_Y = {"unit" : "size_unit",
[682c432]	270	"storeas" : "float",
	271	"attributes" : SASINSTR_COLL_APER_ATTR
	272	}
[250fec92]	273	SASINSTR_COLL_APER_Z = {"unit" : "size_unit",
[682c432]	274	"storeas" : "float",
	275	"attributes" : SASINSTR_COLL_APER_ATTR
	276	}
[250fec92]	277	SASINSTR_COLL_APER_SIZE = {"attributes" : {"unit" : {}},
[682c432]	278	"children" : {"storeas" : "float",
	279	"x" : SASINSTR_COLL_APER_X,
	280	"y" : SASINSTR_COLL_APER_Y,
	281	"z" : SASINSTR_COLL_APER_Z,
	282	}
	283	}
	284	SASINSTR_COLL_APER_DIST = {"storeas" : "float",
[250fec92]	285	"attributes" : {"unit" : {}},
[682c432]	286	"unit" : "distance_unit",
	287	}
[250fec92]	288	SASINSTR_COLL_APER = {"attributes" : {"name" : {}, "type" : {}, },
[682c432]	289	"children" : {"size" : SASINSTR_COLL_APER_SIZE,
	290	"distance" : SASINSTR_COLL_APER_DIST
	291	}
	292	}
[250fec92]	293	SASINSTR_COLL = {"attributes" : {"name" : {}},
[682c432]	294	"children" :
[250fec92]	295	{"length" :
	296	{"unit" : "length_unit",
	297	"storeas" : "float",
	298	"attributes" : {"storeas" : "content", "unit" : {}},
	299	},
	300	"aperture" : SASINSTR_COLL_APER,
	301	},
[682c432]	302	}
[250fec92]	303	SASINSTR_DET_SDD = {"storeas" : "float",
[682c432]	304	"unit" : "distance_unit",
[250fec92]	305	"attributes" : {"unit" :{}},
[682c432]	306	}
[250fec92]	307	SASINSTR_DET_OFF_ATTR = {"unit" : {"storeas" : "content" }}
	308	SASINSTR_DET_OFF_X = {"storeas" : "float",
[682c432]	309	"unit" : "offset_unit",
	310	"attributes" : SASINSTR_DET_OFF_ATTR
	311	}
[250fec92]	312	SASINSTR_DET_OFF_Y = {"storeas" : "float",
[682c432]	313	"unit" : "offset_unit",
	314	"attributes" : SASINSTR_DET_OFF_ATTR
	315	}
[250fec92]	316	SASINSTR_DET_OFF_Z = {"storeas" : "float",
[682c432]	317	"unit" : "offset_unit",
	318	"attributes" : SASINSTR_DET_OFF_ATTR
	319	}
[250fec92]	320	SASINSTR_DET_OFF = {"children" : {"x" : SASINSTR_DET_OFF_X,
[682c432]	321	"y" : SASINSTR_DET_OFF_Y,
	322	"z" : SASINSTR_DET_OFF_Z,
	323	}
	324	}
[250fec92]	325	SASINSTR_DET_OR_ATTR = {}
	326	SASINSTR_DET_OR_ROLL = {"storeas" : "float",
[682c432]	327	"unit" : "orientation_unit",
	328	"attributes" : SASINSTR_DET_OR_ATTR
	329	}
[250fec92]	330	SASINSTR_DET_OR_PITCH = {"storeas" : "float",
[682c432]	331	"unit" : "orientation_unit",
	332	"attributes" : SASINSTR_DET_OR_ATTR
	333	}
[250fec92]	334	SASINSTR_DET_OR_YAW = {"storeas" : "float",
[682c432]	335	"unit" : "orientation_unit",
	336	"attributes" : SASINSTR_DET_OR_ATTR
	337	}
[250fec92]	338	SASINSTR_DET_OR = {"children" : {"roll" : SASINSTR_DET_OR_ROLL,
[682c432]	339	"pitch" : SASINSTR_DET_OR_PITCH,
	340	"yaw" : SASINSTR_DET_OR_YAW,
	341	}
	342	}
[250fec92]	343	SASINSTR_DET_BC_X = {"storeas" : "float",
[682c432]	344	"unit" : "beam_center_unit",
[250fec92]	345	"attributes" : {"storeas" : "content"}
[682c432]	346	}
[250fec92]	347	SASINSTR_DET_BC_Y = {"storeas" : "float",
[682c432]	348	"unit" : "beam_center_unit",
[250fec92]	349	"attributes" : {"storeas" : "content"}
[682c432]	350	}
[250fec92]	351	SASINSTR_DET_BC_Z = {"storeas" : "float",
[682c432]	352	"unit" : "beam_center_unit",
[250fec92]	353	"attributes" : {"storeas" : "content"}
[682c432]	354	}
[250fec92]	355	SASINSTR_DET_BC = {"children" : {"x" : SASINSTR_DET_BC_X,
[682c432]	356	"y" : SASINSTR_DET_BC_Y,
[250fec92]	357	"z" : SASINSTR_DET_BC_Z,}
[682c432]	358	}
[250fec92]	359	SASINSTR_DET_PIXEL_X = {"storeas" : "float",
[682c432]	360	"unit" : "pixel_size_unit",
[250fec92]	361	"attributes" : {"storeas" : "content" }
[682c432]	362	}
[250fec92]	363	SASINSTR_DET_PIXEL_Y = {"storeas" : "float",
[682c432]	364	"unit" : "pixel_size_unit",
[250fec92]	365	"attributes" : {"storeas" : "content"}
[682c432]	366	}
[250fec92]	367	SASINSTR_DET_PIXEL_Z = {"storeas" : "float",
[682c432]	368	"unit" : "pixel_size_unit",
[250fec92]	369	"attributes" : {"storeas" : "content"}
[682c432]	370	}
[250fec92]	371	SASINSTR_DET_PIXEL = {"children" : {"x" : SASINSTR_DET_PIXEL_X,
[682c432]	372	"y" : SASINSTR_DET_PIXEL_Y,
	373	"z" : SASINSTR_DET_PIXEL_Z,
	374	}
	375	}
[250fec92]	376	SASINSTR_DET_SLIT = {"storeas" : "float",
[682c432]	377	"unit" : "slit_length_unit",
[250fec92]	378	"attributes" : {"unit" : {}}
[682c432]	379	}
[250fec92]	380	SASINSTR_DET = {"attributes" : {"name" : {"storeas" : "content"}},
	381	"children" : {"name" : {"storeas" : "content"},
[682c432]	382	"SDD" : SASINSTR_DET_SDD,
	383	"offset" : SASINSTR_DET_OFF,
	384	"orientation" : SASINSTR_DET_OR,
	385	"beam_center" : SASINSTR_DET_BC,
	386	"pixel_size" : SASINSTR_DET_PIXEL,
	387	"slit_length" : SASINSTR_DET_SLIT,
	388	}
	389	}
[250fec92]	390	SASINSTR = {"children" :
	391	{"name" : {},
[682c432]	392	"SASsource" : SASINSTR_SRC,
	393	"SAScollimation" : SASINSTR_COLL,
	394	"SASdetector" : SASINSTR_DET,
	395	},
	396	}
	397	CANSAS_FORMAT = {"SASentry" :
	398	{"units_optional" : True,
	399	"storeas" : "content",
[250fec92]	400	"attributes" : {"name" : {}},
[682c432]	401	"children" : {"Title" : TITLE,
	402	"Run" : RUN,
	403	"SASdata" : SASDATA,
	404	"SAStransmission_spectrum" : SASTRANSSPEC,
	405	"SASsample" : SASSAMPLE,
	406	"SASinstrument" : SASINSTR,
	407	"SASprocess" : SASPROCESS,
	408	"SASnote" : SASNOTE,
	409	"<any>" : ANY,
	410	}
	411	}
	412	}
	413
	414
	415	class CurrentLevel(object):
	416	"""
	417	A helper class to hold information on where you are in the constants tree
	418	"""
	419
	420	current_level = ''
	421	ns_datatype = ''
	422	ns_optional = True
	423
	424	def __init__(self):
	425	self.current_level = {}
	426	self.ns_datatype = "content"
	427	self.ns_optional = True
	428
	429	def get_current_level(self):
	430	"""
	431	Helper method to get the current_level map
	432	"""
	433	return self.current_level
	434
	435	def get_data_type(self):
	436	"""
	437	Helper method to get the ns_datatype label
	438	"""
	439	return self.ns_datatype
	440
	441	def get_variable(self):
	442	"""
	443	Helper method to get the ns_variable label
	444	"""
	445	return self.ns_variable

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source: sasview/src/sas/sascalc/dataloader/readers/cansas_constants.py @ 71ac835

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