invariant_state.py @ 3b11d0d

ESS_GUIESS_GUI_DocsESS_GUI_batch_fittingESS_GUI_bumps_abstractionESS_GUI_iss1116ESS_GUI_iss879ESS_GUI_iss959ESS_GUI_openclESS_GUI_orderingESS_GUI_sync_sascalccostrafo411magnetic_scattrelease-4.1.1release-4.1.2release-4.2.2release_4.0.1ticket-1009ticket-1094-headlessticket-1242-2d-resolutionticket-1243ticket-1249ticket885unittest-saveload

Last change on this file since 3b11d0d was 5282cc8, checked in by Jae Cho <jhjcho@…>, 14 years ago
removed time error
Property mode set to `100644`
File size: 32.4 KB

Rev	Line
[4a2b054]	1	"""
	2	"""
	3
[75fbd17]	4	#import time
[4a2b054]	5	import os
	6	import sys
[4e1c362]	7	import logging
	8	import copy
	9	import DataLoader
[890a909b]	10	#from xml.dom.minidom import parse
[4e1c362]	11	from lxml import etree
	12	from DataLoader.readers.cansas_reader import Reader as CansasReader
	13	from DataLoader.readers.cansas_reader import get_content
	14	from sans.guiframe.utils import format_number
[4a2b054]	15	from sans.guiframe.dataFitting import Theory1D
	16	from sans.guiframe.dataFitting import Data1D
	17
[4e1c362]	18	INVNODE_NAME = 'invariant'
	19	CANSAS_NS = "cansas1d/1.0"
[4a2b054]	20
[4e1c362]	21	# default state
	22	list = {'file': 'None',
	23	'compute_num':0,
	24	'state_num':0,
	25	'is_time_machine':False,
	26	'background_tcl':0.0,
	27	'scale_tcl':1.0,
	28	'contrast_tcl':1.0,
	29	'porod_constant_tcl':'',
	30	'npts_low_tcl':10,
	31	'npts_high_tcl':10,
	32	'power_high_tcl':4.0,
	33	'power_low_tcl': 4.0,
	34	'enable_high_cbox':False,
	35	'enable_low_cbox':False,
	36	'guinier': True,
	37	'power_law_high': False,
	38	'power_law_low': False,
	39	'fit_enable_high': False,
	40	'fit_enable_low': False,
	41	'fix_enable_high':True,
	42	'fix_enable_low':True,
	43	'volume_tcl':'',
	44	'volume_err_tcl':'',
	45	'surface_tcl':'',
	46	'surface_err_tcl':''}
[4a2b054]	47	# list of states: This list will be filled as panel
	48	# init and the number of states increases
[4e1c362]	49	state_list = {}
	50	bookmark_list = {}
	51	# list of input parameters (will be filled up on panel init) used by __str__
[cb463b4]	52	input_list = {'background_tcl':0,
	53	'scale_tcl':0,
	54	'contrast_tcl':0,
	55	'porod_constant_tcl':'',
	56	'npts_low_tcl':0,
	57	'npts_high_tcl':0,
	58	'power_high_tcl':0,
	59	'power_low_tcl': 0}
[4e1c362]	60	# list of output parameters (order sensitive) used by __str__
[4a2b054]	61	output_list = [["qstar_low", "Q* from low Q extrapolation [1/(cm*A)]"],
[4e1c362]	62	["qstar_low_err", "dQ* from low Q extrapolation"],
	63	["qstar_low_percent", "Q* percent from low Q extrapolation"],
[4a2b054]	64	["qstar", "Q* from data [1/(cm*A)]"],
[4e1c362]	65	["qstar_err", "dQ* from data"],
	66	["qstar_percent", "Q* percent from data"],
[4a2b054]	67	["qstar_high", "Q* from high Q extrapolation [1/(cm*A)]"],
[4e1c362]	68	["qstar_high_err", "dQ* from high Q extrapolation"],
	69	["qstar_high_percent", "Q* percent from low Q extrapolation"],
[4a2b054]	70	["qstar_total", "total Q* [1/(cm*A)]"],
[4e1c362]	71	["qstar_total_err", "total dQ*"],
	72	["volume", "volume fraction"],
	73	["volume_err", "volume fraction error"],
	74	["surface", "specific surface"],
	75	["surface_err", "specific surface error"]]
	76
	77
	78
	79	class InvariantState(object):
	80	"""
	81	Class to hold the state information of the InversionControl panel.
	82	"""
	83	def __init__(self):
	84	"""
	85	Default values
	86	"""
	87	# Input
	88	self.file = None
	89	self.data = Data1D(x=[], y=[], dx=None, dy=None)
	90	self.theory_lowQ = Theory1D(x=[], y=[], dy=None)
	91	self.theory_highQ = Theory1D(x=[], y=[], dy=None)
	92	#self.is_time_machine = False
	93	self.saved_state = list
	94	self.state_list = state_list
	95	self.bookmark_list = bookmark_list
	96	self.input_list = input_list
	97	self.output_list = output_list
	98
	99	self.compute_num = 0
	100	self.state_num = 0
[51fb7ab]	101	self.timestamp = ('00:00:00', '00/00/0000')
[4e1c362]	102	self.container = None
[a94c4e1]	103	#plot image
	104	self.wximbmp = None
[cb463b4]	105	# report_html strings
	106	import sans.perspectives.invariant as invariant
	107	path = invariant.get_data_path(media='media')
[4a2b054]	108	path_report_html = os.path.join(path,"report_template.html")
	109	html_template = open(path_report_html,"r")
[cb463b4]	110	self.template_str = html_template.read()
	111	self.report_str = self.template_str
[b281210]	112	#self.report_str_save = None
[cb463b4]	113	html_template.close()
[4e1c362]	114
	115	def __str__(self):
	116	"""
	117	Pretty print
	118
	119	: return: string representing the state
	120	"""
	121	# Input string
	122	compute_num = self.saved_state['compute_num']
	123	compute_state = self.state_list[str(compute_num)]
	124	my_time, date = self.timestamp
	125	file_name = self.file
	126
	127	state_num = int(self.saved_state['state_num'])
[4a2b054]	128	state = "\n[Invariant computation for %s: " % file_name
	129	state += "performed at %s on %s] \n" % (my_time, date)
	130	state += "State No.: %d \n" % state_num
[4e1c362]	131	state += "\n=== Inputs ===\n"
	132
	133	# text ctl general inputs ( excluding extrapolation text ctl)
[4a2b054]	134	for key, value in self.input_list.iteritems():
[4e1c362]	135	if value == '':
	136	continue
	137	key_split = key.split('_')
	138	max_ind = len(key_split)-1
	139	if key_split[max_ind] == 'tcl':
[4a2b054]	140	name = ""
	141	if key_split[1] == 'low' or key_split[1] == 'high':
[4e1c362]	142	continue
[4a2b054]	143	for ind in range(0, max_ind):
	144	name += " %s" % key_split[ind]
	145	state += "%s: %s\n" % (name.lstrip(" "), value)
[4e1c362]	146
	147	# other input parameters
	148	extra_lo = compute_state['enable_low_cbox']
	149	if compute_state['enable_low_cbox']:
	150	if compute_state['guinier']:
	151	extra_lo = 'Guinier'
	152	else:
	153	extra_lo = 'Power law'
	154	extra_hi = compute_state['enable_high_cbox']
	155	if compute_state['enable_high_cbox']:
	156	extra_hi = 'Power law'
[4a2b054]	157	state += "\nExtrapolation: High=%s; Low=%s\n" %(extra_hi, extra_lo)
[4e1c362]	158	low_off = False
	159	high_off = False
[4a2b054]	160	for key, value in self.input_list.iteritems():
[4e1c362]	161	key_split = key.split('_')
[4a2b054]	162	max_ind = len(key_split) - 1
[4e1c362]	163	if key_split[max_ind] == 'tcl':
[4a2b054]	164	name = ""
[4e1c362]	165	# check each buttons whether or not ON or OFF
[4a2b054]	166	if key_split[1] == 'low' or key_split[1] == 'high':
	167	if not compute_state['enable_low_cbox'] and \
	168	key_split[max_ind-1] == 'low':
[4e1c362]	169	low_off = True
	170	continue
[4a2b054]	171	elif not compute_state['enable_high_cbox'] and \
	172	key_split[max_ind-1] == 'high':
[4e1c362]	173	high_off = True
	174	continue
[4a2b054]	175	elif extra_lo == 'Guinier' and key_split[0] == 'power' and \
	176	key_split[max_ind-1] == 'low':
[4e1c362]	177	continue
[4a2b054]	178	for ind in range(0, max_ind):
	179	name += " %s" % key_split[ind]
[4e1c362]	180	name = name.lstrip(" ")
	181	if name == "power low" :
	182	if compute_state['fix_enable_low']:
	183	name += ' (Fixed)'
	184	else:
	185	name += ' (Fitted)'
	186	if name == "power high" :
	187	if compute_state['fix_enable_high']:
	188	name += ' (Fixed)'
	189	else:
	190	name += ' (Fitted)'
[4a2b054]	191	state += "%s: %s\n" % (name, value)
[4e1c362]	192	# Outputs
	193	state += "\n=== Outputs ==="
	194	for item in output_list:
	195	item_split = item[0].split('_')
	196	# Exclude the extrapolation that turned off
[4a2b054]	197	if len(item_split) > 1:
	198	if low_off and item_split[1] == 'low':
	199	continue
	200	if high_off and item_split[1] == 'high':
	201	continue
	202	max_ind = len(item_split) - 1
[4e1c362]	203	value = None
	204	try:
	205	# Q* outputs
[4a2b054]	206	exec "value = self.container.%s\n" % item[0]
[4e1c362]	207	except:
	208	# other outputs than Q*
[4a2b054]	209	name = item[0] + "_tcl"
[cb69775]	210	if name in self.saved_state.keys():
	211	exec "value = self.saved_state['%s']" % name
[4e1c362]	212
	213	# Exclude the outputs w/''
[4a2b054]	214	if value == '':
	215	continue
[4e1c362]	216	# Error outputs
	217	if item_split[max_ind] == 'err':
[4a2b054]	218	state += "+- %s " % format_number(value)
[4e1c362]	219	# Percentage outputs
	220	elif item_split[max_ind] == 'percent':
	221	try:
[4a2b054]	222	value = float(value) * 100
[4e1c362]	223	except:
	224	pass
[4a2b054]	225	state += "(%s %s)" % (format_number(value), '%')
[4e1c362]	226	# Outputs
	227	else:
[4a2b054]	228	state += "\n%s: %s " % (item[1],
	229	format_number(value, high=True))
[4e1c362]	230	# Include warning msg
[cb69775]	231	if self.container is not None:
	232	state += "\n\nNote:\n" + self.container.warning_msg
[4e1c362]	233	return state
	234
	235	def clone_state(self):
	236	"""
	237	deepcopy the state
	238	"""
	239	return copy.deepcopy(self.saved_state)
	240
	241	def toXML(self, file="inv_state.inv", doc=None, entry_node=None):
	242	"""
	243	Writes the state of the InversionControl panel to file, as XML.
	244
	245	Compatible with standalone writing, or appending to an
	246	already existing XML document. In that case, the XML document
[4a2b054]	247	is required. An optional entry node in the XML document
	248	may also be given.
[4e1c362]	249
	250	: param file: file to write to
	251	: param doc: XML document object [optional]
[4a2b054]	252	: param entry_node: XML node within the XML document at which
	253	we will append the data [optional]
[4e1c362]	254	"""
	255	from xml.dom.minidom import getDOMImplementation
[75fbd17]	256	import time
[4e1c362]	257	timestamp = time.time()
	258	# Check whether we have to write a standalone XML file
	259	if doc is None:
	260	impl = getDOMImplementation()
	261
	262	doc_type = impl.createDocumentType(INVNODE_NAME, "1.0", "1.0")
	263
	264	newdoc = impl.createDocument(None, INVNODE_NAME, doc_type)
	265	top_element = newdoc.documentElement
	266	else:
	267	# We are appending to an existing document
	268	newdoc = doc
	269	top_element = newdoc.createElement(INVNODE_NAME)
	270	if entry_node is None:
	271	newdoc.documentElement.appendChild(top_element)
	272	else:
	273	entry_node.appendChild(top_element)
	274
	275	attr = newdoc.createAttribute("version")
	276	attr.nodeValue = '1.0'
	277	top_element.setAttributeNode(attr)
	278
	279	# File name
	280	element = newdoc.createElement("filename")
[4a2b054]	281	if self.file != None and self.file != '':
[4e1c362]	282	element.appendChild(newdoc.createTextNode(str(self.file)))
	283	else:
	284	element.appendChild(newdoc.createTextNode(str(file)))
	285	top_element.appendChild(element)
	286
	287	element = newdoc.createElement("timestamp")
	288	element.appendChild(newdoc.createTextNode(time.ctime(timestamp)))
	289	attr = newdoc.createAttribute("epoch")
	290	attr.nodeValue = str(timestamp)
	291	element.setAttributeNode(attr)
	292	top_element.appendChild(element)
	293
	294	# Current state
	295	state = newdoc.createElement("state")
	296	top_element.appendChild(state)
	297
	298	for name,value in self.saved_state.iteritems():
	299	element = newdoc.createElement(str(name))
	300	element.appendChild(newdoc.createTextNode(str(value)))
	301	state.appendChild(element)
	302
	303	# State history list
	304	history = newdoc.createElement("history")
	305	top_element.appendChild(history)
	306
	307	for name, value in self.state_list.iteritems():
[4a2b054]	308	history_element = newdoc.createElement('state_' + str(name))
[4e1c362]	309	for state_name,state_value in value.iteritems():
	310	state_element = newdoc.createElement(str(state_name))
[4a2b054]	311	child = newdoc.createTextNode(str(state_value))
	312	state_element.appendChild(child)
[4e1c362]	313	history_element.appendChild(state_element)
	314	#history_element.appendChild(state_list_element)
	315	history.appendChild(history_element)
	316
[4a2b054]	317	# Bookmarks bookmark_list[self.bookmark_num] = [\
	318	#my_time,date,state,comp_state]
[4e1c362]	319	bookmark = newdoc.createElement("bookmark")
	320	top_element.appendChild(bookmark)
	321	item_list = ['time','date','state','comp_state']
	322	for name, value_list in self.bookmark_list.iteritems():
	323	element = newdoc.createElement('mark_'+ str(name))
[ddeeb02]	324	_,date,state,comp_state = value_list
[4e1c362]	325	time_element = newdoc.createElement('time')
	326	time_element.appendChild(newdoc.createTextNode(str(value_list[0])))
	327	date_element = newdoc.createElement('date')
	328	date_element.appendChild(newdoc.createTextNode(str(value_list[1])))
	329	state_list_element = newdoc.createElement('state')
	330	comp_state_list_element = newdoc.createElement('comp_state')
[4a2b054]	331	for state_name, state_value in value_list[2].iteritems():
[4e1c362]	332	state_element = newdoc.createElement(str(state_name))
[4a2b054]	333	child = newdoc.createTextNode(str(state_value))
	334	state_element.appendChild(child)
[4e1c362]	335	state_list_element.appendChild(state_element)
[4a2b054]	336	for comp_name, comp_value in value_list[3].iteritems():
[4e1c362]	337	comp_element = newdoc.createElement(str(comp_name))
	338	comp_element.appendChild(newdoc.createTextNode(str(comp_value)))
	339	comp_state_list_element.appendChild(comp_element)
	340	element.appendChild(time_element)
	341	element.appendChild(date_element)
	342	element.appendChild(state_list_element)
	343	element.appendChild(comp_state_list_element)
	344	bookmark.appendChild(element)
	345
	346	# Save the file
	347	if doc is None:
	348	fd = open('test000', 'w')
	349	fd.write(newdoc.toprettyxml())
	350	fd.close()
	351	return None
	352	else:
	353	return newdoc.toprettyxml()
	354
	355	def fromXML(self, file=None, node=None):
	356	"""
	357	Load invariant states from a file
	358
	359	: param file: .inv file
	360	: param node: node of a XML document to read from
	361	"""
	362	if file is not None:
[4a2b054]	363	msg = "InvariantSate no longer supports non-CanSAS"
	364	msg += " format for invariant files"
	365	raise RuntimeError, msg
[4e1c362]	366
	367	if node.get('version')\
	368	and node.get('version') == '1.0':
	369
	370	# Get file name
	371	entry = get_content('ns:filename', node)
	372	if entry is not None:
[b35d3d1]	373	file_name = entry.text.strip()
	374
[4e1c362]	375	# Get time stamp
	376	entry = get_content('ns:timestamp', node)
	377	if entry is not None and entry.get('epoch'):
	378	try:
	379	timestamp = (entry.get('epoch'))
	380	except:
[4a2b054]	381	msg = "InvariantSate.fromXML: Could not read"
	382	msg += " timestamp\n %s" % sys.exc_value
	383	logging.error(msg)
[4e1c362]	384
	385	# Parse bookmarks
	386	entry_bookmark = get_content('ns:bookmark', node)
	387
[4a2b054]	388	for ind in range(1, len(entry_bookmark) + 1):
[4e1c362]	389	temp_state = {}
	390	temp_bookmark = {}
	391	entry = get_content('ns:mark_%s' % ind, entry_bookmark)
	392
	393	if entry is not None:
[5282cc8]	394	my_time = get_content('ns:time', entry)
	395	val_time = str(my_time.text.strip())
[4a2b054]	396	date = get_content('ns:date', entry)
[4e1c362]	397	val_date = str(date.text.strip())
[4a2b054]	398	state_entry = get_content('ns:state', entry)
[4e1c362]	399	for item in list:
	400
[4a2b054]	401	input_field = get_content('ns:%s' % item, state_entry)
[4e1c362]	402	val = str(input_field.text.strip())
	403	if input_field is not None:
	404	try:
[4a2b054]	405	exec "temp_state['%s'] = %s" % (item, val)
[4e1c362]	406	except:
[4a2b054]	407	exec "temp_state['%s'] = '%s'" % (item, val)
	408	comp_entry = get_content('ns:comp_state', entry)
[4e1c362]	409
	410	for item in list:
[4a2b054]	411	input_field = get_content('ns:%s' % item, comp_entry)
[4e1c362]	412	val = str(input_field.text.strip())
	413	if input_field is not None:
	414	try:
[4a2b054]	415	exec "temp_bookmark['%s'] = %s" % (item, val)
[4e1c362]	416	except:
[4a2b054]	417	exec "temp_bookmark['%s'] = '%s'" % (item, val)
[4e1c362]	418	try:
[4a2b054]	419	cmd = "self.bookmark_list[%s] = [val_time,"
	420	cmd += "val_date,temp_state,temp_bookmark]"
	421	exec cmd % ind
[4e1c362]	422	except:
	423	raise "missing components of bookmarks..."
	424	# Parse histories
	425	entry_history = get_content('ns:history', node)
	426
[4a2b054]	427	for ind in range(0, len(entry_history)):
[4e1c362]	428	temp_state = {}
	429	entry = get_content('ns:state_%s' % ind, entry_history)
	430
	431	if entry is not None:
	432	for item in list:
	433	input_field = get_content('ns:%s' % item, entry )
	434	val = str(input_field.text.strip())
	435
	436	if input_field is not None:
	437	try:
[4a2b054]	438	exec "temp_state['%s'] = %s" % (item, val)
[4e1c362]	439	except:
[4a2b054]	440	exec "temp_state['%s'] = '%s'" % (item, val)
[4e1c362]	441	finally:
[4a2b054]	442	exec "self.state_list['%s'] = temp_state" % ind
[4e1c362]	443	# Parse current state (ie, saved_state)
	444	entry = get_content('ns:state', node)
	445	if entry is not None:
	446	for item in list:
	447	input_field = get_content('ns:%s' % item, entry)
	448	val = str(input_field.text.strip())
	449	if input_field is not None:
	450	self.set_saved_state(name=item, value=val)
[b35d3d1]	451	self.file = file_name
	452
[cb463b4]	453	def set_report_string(self):
	454	"""
	455	Get the values (strings) from __str__ for report
	456	"""
	457	strings = self.__str__()
	458
	459	# default string values
[4a2b054]	460	for num in range (1, 19):
	461	exec "s_%s = 'NA'" % str(num)
[cb463b4]	462	lines = strings.split('\n')
	463	# get all string values from __str__()
[4a2b054]	464	for line in range(0, len(lines)):
[cb463b4]	465	if line == 1:
	466	s_1 = lines[1]
	467	elif line == 2:
	468	s_2 = lines[2]
	469	else:
	470	item = lines[line].split(':')
	471	item[0] = item[0].strip()
[4a2b054]	472	if item[0] == "scale":
[cb463b4]	473	s_3 = item[1]
	474	elif item[0] == "porod constant":
	475	s_4 = item[1]
	476	elif item[0] == "background":
	477	s_5 = item[1]
	478	elif item[0] == "contrast":
	479	s_6 = item[1]
	480	elif item[0] == "Extrapolation":
	481	extra = item[1].split(";")
	482	bool_0 = extra[0].split("=")
	483	bool_1 = extra[1].split("=")
[5dc6d84]	484	s_8 = " " + bool_0[0] + "Q region = " + bool_0[1]
	485	s_7 = " " + bool_1[0] + "Q region = " + bool_1[1]
[4a2b054]	486	elif item[0] == "npts low":
[cb463b4]	487	s_9 = item[1]
[5dc6d84]	488	elif item[0] == "npts high":
[cb463b4]	489	s_10 = item[1]
	490	elif item[0] == "volume fraction":
[6ca38f3]	491	val=item[1].split("+-")[0].strip()
	492	error = item[1].split("+-")[1].strip()
[4a2b054]	493	s_17 = val + " ± " + error
[cb463b4]	494	elif item[0] == "specific surface":
[4a2b054]	495	val = item[1].split("+-")[0].strip()
[6ca38f3]	496	error = item[1].split("+-")[1].strip()
[4a2b054]	497	s_18 = val + " ± " + error
	498	elif item[0].split("(")[0].strip() == "power low":
[5dc6d84]	499	s_11 = item[0]+" ="+item[1]
	500	elif item[0].split("(")[0].strip() == "power high":
[cb463b4]	501	s_12 = item[0]+" ="+item[1]
[4a2b054]	502	elif item[0].split("[")[0].strip() == "Q* from low Q extrapolation":
[6ca38f3]	503	#looks messy but this way the symbols +_ and % work on html
[4a2b054]	504	val = item[1].split("+-")[0].strip()
[6ca38f3]	505	error = item[1].split("+-")[1].strip()
	506	err = error.split("%")[0].strip()
	507	percent = error.split("%")[1].strip()
[4a2b054]	508	s_13 = val + " ± " + err + "&#37" + percent
	509	elif item[0].split("[")[0].strip() == "Q* from data":
	510	val = item[1].split("+-")[0].strip()
[6ca38f3]	511	error = item[1].split("+-")[1].strip()
	512	err = error.split("%")[0].strip()
	513	percent = error.split("%")[1].strip()
[4a2b054]	514	s_14 = val + " ± " + err + "&#37" + percent
	515	elif item[0].split("[")[0].strip() == "Q* from high Q extrapolation":
	516	val = item[1].split("+-")[0].strip()
[6ca38f3]	517	error = item[1].split("+-")[1].strip()
	518	err = error.split("%")[0].strip()
	519	percent = error.split("%")[1].strip()
[4a2b054]	520	s_15 = val + " ± " + err + "&#37" + percent
	521	elif item[0].split("[")[0].strip() == "total Q*":
	522	val = item[1].split("+-")[0].strip()
[6ca38f3]	523	error = item[1].split("+-")[1].strip()
[4a2b054]	524	s_16 = val + " ± " + error
[cb463b4]	525	else:
	526	continue
	527
[a94c4e1]	528	# make plot image
	529	self.set_plot_state(extra_high=bool_0[1],extra_low=bool_1[1])
	530	# get ready for report with setting all the html strings
[4a2b054]	531	self.report_str = str(self.template_str) % (s_1, s_2,
	532	s_3, s_4, s_5, s_6, s_7, s_8,
	533	s_9, s_10, s_11, s_12, s_13, s_14, s_15,
	534	s_16, s_17, s_18, self.file, "%s")
[b281210]	535
[4e1c362]	536	def set_saved_state(self, name, value):
	537	"""
	538	Set the state list
	539
	540	: param name: name of the state component
	541	: param value: value of the state component
	542	"""
[4a2b054]	543	rb_list = [['power_law_low','guinier'],
	544	['fit_enable_low','fix_enable_low'],
	545	['fit_enable_high','fix_enable_high']]
[4e1c362]	546
	547	try:
[4a2b054]	548	if value == None or value.lstrip().rstrip() == '':
[4e1c362]	549	exec "self.%s = '%s'" % (name, value)
[4a2b054]	550	exec "self.saved_state['%s'] = '%s'" % (name, value)
[4e1c362]	551	else:
	552	exec 'self.%s = %s' % (name, value)
[4a2b054]	553	exec "self.saved_state['%s'] = %s" % (name, value)
	554	# set the count part of radio button clicked
	555	# False for the saved_state
	556	for title, content in rb_list:
[4e1c362]	557	if name == title:
	558	name = content
	559	value = False
	560	elif name == content:
	561	name = title
	562	value = False
[4a2b054]	563	exec "self.saved_state['%s'] = '%s'" % (name, value)
[4e1c362]	564	self.state_num = self.saved_state['state_num']
	565	except:
	566	pass
	567
[4a2b054]	568	def set_plot_state(self, extra_high=False, extra_low=False):
[a94c4e1]	569	"""
	570	Build image state that wx.html understand
	571	by plotting, putting it into wx.FileSystem image object
	572
[4a2b054]	573	: extrap_high,extra_low: low/high extrapolations
	574	are possible extra-plots
[a94c4e1]	575	"""
	576	# some imports
[5b03122]	577	import wx
[a94c4e1]	578	import matplotlib.pyplot as plt
[f310316]	579	from matplotlib.backends.backend_agg import FigureCanvasAgg
	580
[a94c4e1]	581	#we use simple plot, not plotpanel
	582	#make matlab figure
	583	fig = plt.figure()
[f310316]	584	fig.set_facecolor('w')
[a94c4e1]	585	graph = fig.add_subplot(111)
[f310316]	586
[a94c4e1]	587	#data plot
	588	graph.errorbar(self.data.x, self.data.y, yerr=self.data.dy, fmt='o')
	589	#low Q extrapolation fit plot
	590	if not extra_low == 'False':
	591	graph.plot(self.theory_lowQ.x,self.theory_lowQ.y)
	592	#high Q extrapolation fit plot
	593	if not extra_high == 'False':
	594	graph.plot(self.theory_highQ.x,self.theory_highQ.y)
	595	graph.set_xscale("log", nonposx='clip')
	596	graph.set_yscale("log", nonposy='clip')
[f310316]	597	graph.set_xlabel('$\\rm{Q}(\\AA^{-1})$', fontsize = 12)
	598	graph.set_ylabel('$\\rm{Intensity}(cm^{-1})$', fontsize = 12)
	599	canvas = FigureCanvasAgg(fig)
	600	#actually make image
	601	canvas.draw()
	602
	603	#make python.Image object
	604	#size
[4a2b054]	605	w, h = canvas.get_width_height()
[a94c4e1]	606	#convert to wx.Image
[f310316]	607	wximg = wx.EmptyImage(w,h)
	608	#wxim.SetData(img.convert('RGB').tostring() )
	609	wximg.SetData(canvas.tostring_rgb())
[a94c4e1]	610	#get the dynamic image for the htmlwindow
[f310316]	611	wximgbmp = wx.BitmapFromImage(wximg)
[a94c4e1]	612	#store the image in wx.FileSystem Object
	613	wx.FileSystem.AddHandler(wx.MemoryFSHandler())
	614	# use wx.MemoryFSHandler
	615	self.imgRAM = wx.MemoryFSHandler()
	616	#AddFile, image can be retrieved with 'memory:filename'
[4a2b054]	617	self.imgRAM.AddFile('img_inv.png', wximgbmp, wx.BITMAP_TYPE_PNG)
[a94c4e1]	618
[f310316]	619	self.wximgbmp = 'memory:img_inv.png'
	620	self.image = fig
[4e1c362]	621
	622	class Reader(CansasReader):
	623	"""
	624	Class to load a .inv invariant file
	625	"""
	626	## File type
	627	type_name = "Invariant"
	628
	629	## Wildcards
[b35d3d1]	630	type = ["Invariant file (.inv)\|.inv",
	631	"SANSView file (.svs)\|.svs"]
[4e1c362]	632	## List of allowed extensions
[4a2b054]	633	ext = ['.inv', '.INV', '.svs', 'SVS']
[4e1c362]	634
	635	def __init__(self, call_back, cansas=True):
	636	"""
	637	Initialize the call-back method to be called
	638	after we load a file
	639
	640	: param call_back: call-back method
	641	: param cansas: True = files will be written/read in CanSAS format
	642	False = write CanSAS format
	643	"""
	644	## Call back method to be executed after a file is read
	645	self.call_back = call_back
	646	## CanSAS format flag
	647	self.cansas = cansas
[75fbd17]	648	self.state = None
[4e1c362]	649
	650	def read(self, path):
	651	"""
	652	Load a new invariant state from file
	653
	654	: param path: file path
	655	: return: None
	656	"""
[4a2b054]	657	if self.cansas == True:
[4e1c362]	658	return self._read_cansas(path)
	659	else:
	660	return self._read_standalone(path)
	661
	662	def _read_standalone(self, path):
	663	"""
	664	Load a new invariant state from file.
	665	The invariant node is assumed to be the top element.
	666
	667	: param path: file path
	668	: return: None
	669	"""
	670	# Read the new state from file
	671	state = InvariantState()
	672
	673	state.fromXML(file=path)
	674
	675	# Call back to post the new state
	676	self.call_back(state)
	677	return None
	678
	679	def _parse_state(self, entry):
	680	"""
	681	Read an invariant result from an XML node
	682
	683	: param entry: XML node to read from
	684	: return: InvariantState object
	685	"""
[b35d3d1]	686	state = None
[4e1c362]	687	# Locate the invariant node
	688	try:
[4a2b054]	689	nodes = entry.xpath('ns:%s' % INVNODE_NAME,
	690	namespaces={'ns': CANSAS_NS})
[b35d3d1]	691	# Create an empty state
[4a2b054]	692	if nodes != []:
[b35d3d1]	693	state = InvariantState()
	694	state.fromXML(node=nodes[0])
[4e1c362]	695	except:
[4a2b054]	696	msg = "XML document does not contain invariant"
	697	msg += " information.\n %s" % sys.exc_value
	698	logging.info(msg)
[4e1c362]	699	return state
	700
	701	def _read_cansas(self, path):
	702	"""
	703	Load data and invariant information from a CanSAS XML file.
	704
	705	: param path: file path
	706	: return: Data1D object if a single SASentry was found,
	707	or a list of Data1D objects if multiple entries were found,
	708	or None of nothing was found
	709	: raise RuntimeError: when the file can't be opened
	710	: raise ValueError: when the length of the data vectors are inconsistent
	711	"""
	712	output = []
	713	if os.path.isfile(path):
	714	basename = os.path.basename(path)
	715	root, extension = os.path.splitext(basename)
	716
	717	if extension.lower() in self.ext or \
	718	extension.lower() == '.xml':
	719	tree = etree.parse(path, parser=etree.ETCompatXMLParser())
	720
	721	# Check the format version number
[4a2b054]	722	# Specifying the namespace will take care of
	723	# the file format version
[4e1c362]	724	root = tree.getroot()
	725
[4a2b054]	726	entry_list = root.xpath('/ns:SASroot/ns:SASentry',
	727	namespaces={'ns': CANSAS_NS})
[4e1c362]	728
	729	for entry in entry_list:
	730
	731	sas_entry = self._parse_entry(entry)
	732	invstate = self._parse_state(entry)
[b35d3d1]	733
	734	#invstate could be None when .svs file is loaded
	735	#in this case, skip appending to output
	736	if invstate != None:
	737	sas_entry.meta_data['invstate'] = invstate
	738	sas_entry.filename = invstate.file
	739	output.append(sas_entry)
[4e1c362]	740	else:
	741	raise RuntimeError, "%s is not a file" % path
	742
	743	# Return output consistent with the loader's api
[4a2b054]	744	if len(output) == 0:
[4e1c362]	745	return None
[4a2b054]	746	elif len(output) == 1:
[4e1c362]	747	# Call back to post the new state
[75fbd17]	748	self.state = output[0].meta_data['invstate']
[cb69775]	749	self.call_back(state=output[0].meta_data['invstate'],
	750	datainfo = output[0])
[4e1c362]	751	return output[0]
	752	else:
	753	return output
	754
[75fbd17]	755	def get_state(self):
	756	return self.state
[4e1c362]	757
	758	def write(self, filename, datainfo=None, invstate=None):
	759	"""
	760	Write the content of a Data1D as a CanSAS XML file
	761
	762	: param filename: name of the file to write
	763	: param datainfo: Data1D object
	764	: param invstate: InvariantState object
	765	"""
	766	# Sanity check
	767	if self.cansas == True:
[b35d3d1]	768	doc = self.write_toXML(datainfo,invstate)
[4e1c362]	769	# Write the XML document
	770	fd = open(filename, 'w')
	771	fd.write(doc.toprettyxml())
	772	fd.close()
	773	else:
	774	invstate.toXML(file=filename)
	775
[b35d3d1]	776	def write_toXML(self, datainfo=None, state=None):
	777	"""
	778	Write toXML, a helper for write()
	779
	780	: return: xml doc
	781	"""
	782	if datainfo is None:
	783	datainfo = DataLoader.data_info.Data1D(x=[], y=[])
	784	elif not issubclass(datainfo.__class__, DataLoader.data_info.Data1D):
[4a2b054]	785	msg = "The cansas writer expects a Data1D"
	786	msg += " instance: %s" % str(datainfo.__class__.__name__)
	787	raise RuntimeError, msg
[b35d3d1]	788	#make sure title and data run is filled up.
[4a2b054]	789	if datainfo.title == None or datainfo.title == '':
	790	datainfo.title = datainfo.name
	791	if datainfo.run_name == None or datainfo.run_name == {}:
[b35d3d1]	792	datainfo.run = [str(datainfo.name)]
	793	datainfo.run_name[0] = datainfo.name
	794	# Create basic XML document
	795	doc, sasentry = self._to_xml_doc(datainfo)
	796	# Add the invariant information to the XML document
	797	if state is not None:
[5069a18]	798	state.toXML(datainfo.name,doc=doc, entry_node=sasentry)
[4a2b054]	799	return doc
	800

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SasView

source: sasview/invariantview/perspectives/invariant/invariant_state.py @ 3b11d0d

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