basepage.py @ a7fe3e3

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 a7fe3e3 was d2d0cfdf, checked in by Gervaise Alina <gervyh@…>, 16 years ago
save gaussian dispersity
Property mode set to `100644`
File size: 53.0 KB

Line
1
2	import sys, os
3	import wx
4	import numpy
5	import time
6	import copy
7	from sans.guiframe.utils import format_number,check_float
8	from sans.guicomm.events import StatusEvent
9	import pagestate
10	from pagestate import PageState
11	(PageInfoEvent, EVT_PAGE_INFO) = wx.lib.newevent.NewEvent()
12	_BOX_WIDTH = 80
13
14	class BasicPage(wx.ScrolledWindow):
15	"""
16	This class provide general structure of fitpanel page
17	"""
18	## Internal name for the AUI manager
19	window_name = "Basic Page"
20	## Title to appear on top of the window
21	window_caption = "Basic page "
22
23	def __init__(self,parent, page_info):
24	wx.ScrolledWindow.__init__(self, parent)
25	##window_name
26	self.window_name = page_info.window_name
27	##window_caption
28	self.window_caption = page_info.window_caption
29	## parent of the page
30	self.parent = parent
31	## manager is the fitting plugin
32	self.manager= page_info.manager
33	## owner of the page (fitting plugin)
34	self.event_owner= page_info.event_owner
35	## current model
36	self.model = page_info.model
37	## data
38	self.data = page_info.data
39	## dictionary containing list of models
40	self.model_list_box = page_info.model_list_box
41	## Data member to store the dispersion object created
42	self._disp_obj_dict = {}
43	## selected parameters to apply dispersion
44	self.disp_cb_dict ={}
45	## smearer object
46	self.smearer = None
47	##list of model parameters. each item must have same length
48	## each item related to a given parameters
49	##[cb state, name, value, "+/-", error of fit, min, max , units]
50	self.parameters=[]
51	## list of parameters to fit , must be like self.parameters
52	self.param_toFit=[]
53	## list of looking like parameters but with non fittable parameters info
54	self.fixed_param=[]
55	## list of looking like parameters but with fittable parameters info
56	self.fittable_param=[]
57	##list of dispersion parameters
58	self.disp_list=[]
59	## list of orientation parameters
60	self.orientation_params=[]
61	self.orientation_params_disp=[]
62	if self.model !=None:
63	self.disp_list= self.model.getDispParamList()
64	##enable model 2D draw
65	self.enable2D= False
66	## check that the fit range is correct to plot the model again
67	self.fitrange= True
68	## Q range
69	self.qmin_x= 0.001
70	self.qmax_x= 0.13
71	self.num_points= 100
72	## Create memento to save the current state
73
74	self.state= PageState(parent= self.parent,model=self.model, data=self.data)
75
76	## retrieve saved state
77	self.number_saved_state= 0
78	## dictionary of saved state
79	self.saved_states={}
80	self.slicerpop = wx.Menu()
81	## Default locations
82	self._default_save_location = os.getcwd()
83	## save initial state on context menu
84	self.onSave(event=None)
85	self.Bind(wx.EVT_CONTEXT_MENU, self.onContextMenu)
86
87	## create the basic structure of the panel with empty sizer
88	self.define_page_structure()
89	## drawing Initial dispersion parameters sizer
90	self.set_dispers_sizer()
91	self._fill_save_sizer()
92	## layout
93	self.set_layout()
94
95
96	def onContextMenu(self, event):
97	"""
98	Retrieve the state selected state
99	"""
100	pos = event.GetPosition()
101	pos = self.ScreenToClient(pos)
102	self.PopupMenu(self.slicerpop, pos)
103
104
105
106	def define_page_structure(self):
107	"""
108	Create empty sizer for a panel
109	"""
110	self.vbox = wx.BoxSizer(wx.VERTICAL)
111	self.sizer0 = wx.BoxSizer(wx.VERTICAL)
112	self.sizer1 = wx.BoxSizer(wx.VERTICAL)
113	self.sizer2 = wx.BoxSizer(wx.VERTICAL)
114	self.sizer3 = wx.BoxSizer(wx.VERTICAL)
115	self.sizer4 = wx.BoxSizer(wx.VERTICAL)
116	self.sizer5 = wx.BoxSizer(wx.VERTICAL)
117	self.sizer6 = wx.BoxSizer(wx.VERTICAL)
118
119	self.sizer0.SetMinSize((375,-1))
120	self.sizer1.SetMinSize((375,-1))
121	self.sizer2.SetMinSize((375,-1))
122	self.sizer3.SetMinSize((375,-1))
123	self.sizer4.SetMinSize((375,-1))
124	self.sizer5.SetMinSize((375,-1))
125	self.sizer6.SetMinSize((375,-1))
126
127	self.vbox.Add(self.sizer0)
128	self.vbox.Add(self.sizer1)
129	self.vbox.Add(self.sizer2)
130	self.vbox.Add(self.sizer3)
131	self.vbox.Add(self.sizer4)
132	self.vbox.Add(self.sizer5)
133	self.vbox.Add(self.sizer6)
134
135
136	def set_layout(self):
137	"""
138	layout
139	"""
140	self.vbox.Layout()
141	self.vbox.Fit(self)
142	self.SetSizer(self.vbox)
143
144	self.set_scroll()
145	self.Centre()
146
147
148	def set_scroll(self):
149	self.SetScrollbars(20,20,200,100)
150	self.Layout()
151	self.SetAutoLayout(True)
152
153
154	def set_owner(self,owner):
155	"""
156	set owner of fitpage
157	@param owner: the class responsible of plotting
158	"""
159	self.event_owner = owner
160	self.state.event_owner = owner
161
162	def set_manager(self, manager):
163	"""
164	set panel manager
165	@param manager: instance of plugin fitting
166	"""
167	self.manager = manager
168	self.state.manager = manager
169
170	def populate_box(self, dict):
171	"""
172	Store list of model
173	@param dict: dictionary containing list of models
174	"""
175	self.model_list_box = dict
176	self.state.model_list_box = self.model_list_box
177
178
179
180	def set_dispers_sizer(self):
181	"""
182	fill sizer containing dispersity info
183	"""
184	self.sizer4.Clear(True)
185	name="Polydispersity and Orientational Distribution"
186	box_description= wx.StaticBox(self, -1,name)
187	boxsizer1 = wx.StaticBoxSizer(box_description, wx.VERTICAL)
188	#----------------------------------------------------
189	self.disable_disp = wx.RadioButton(self, -1, 'Off', (10, 10), style=wx.RB_GROUP)
190	self.enable_disp = wx.RadioButton(self, -1, 'On', (10, 30))
191	## saving the state of enable dispersity button
192	self.state.enable_disp= self.enable_disp.GetValue()
193
194	self.Bind(wx.EVT_RADIOBUTTON, self._set_dipers_Param, id=self.disable_disp.GetId())
195	self.Bind(wx.EVT_RADIOBUTTON, self._set_dipers_Param, id=self.enable_disp.GetId())
196
197	sizer_dispersion = wx.BoxSizer(wx.HORIZONTAL)
198	sizer_dispersion.Add((20,20))
199	name=""#Polydispersity and \nOrientational Distribution "
200	sizer_dispersion.Add(wx.StaticText(self,-1,name))
201	sizer_dispersion.Add(self.enable_disp )
202	sizer_dispersion.Add((20,20))
203	sizer_dispersion.Add(self.disable_disp )
204	sizer_dispersion.Add((10,10))
205
206	## fill a sizer with the combobox to select dispersion type
207	sizer_select_dispers = wx.BoxSizer(wx.HORIZONTAL)
208	self.model_disp = wx.StaticText(self, -1, 'Distribution Function ')
209
210	import sans.models.dispersion_models
211	self.polydisp= sans.models.dispersion_models.models
212	self.disp_box = wx.ComboBox(self, -1)
213
214	for key in self.polydisp.iterkeys():
215	name = str(key.__name__)
216	if name=="ArrayDispersion":
217	# Remove the option until the rest of the code is ready for it
218	self.disp_box.Append("Select customized Model",key)
219
220	else:
221	self.disp_box.Append(name,key)
222	self.disp_box.SetSelection(0)
223
224	wx.EVT_COMBOBOX(self.disp_box,-1, self._on_select_Disp)
225
226	sizer_select_dispers.Add((10,10))
227	sizer_select_dispers.Add(self.model_disp)
228	sizer_select_dispers.Add(self.disp_box,0,
229	wx.TOP\|wx.BOTTOM\|wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE,border=5)
230	#sizer_select_dispers.Add((10,10))
231	self.model_disp.Hide()
232	self.disp_box.Hide()
233
234	boxsizer1.Add( sizer_dispersion,0,
235	wx.TOP\|wx.BOTTOM\|wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE,border=5)
236	#boxsizer1.Add( (10,10) )
237	boxsizer1.Add( sizer_select_dispers )
238	self.sizer4_4 = wx.GridBagSizer(5,5)
239	boxsizer1.Add( self.sizer4_4 )
240	#-----------------------------------------------------
241	self.sizer4.Add(boxsizer1,0, wx.EXPAND \| wx.ALL, 10)
242	self.sizer4_4.Layout()
243	self.sizer4.Layout()
244	self.Layout()
245	self.SetScrollbars(20,20,200,100)
246	self.Refresh()
247
248
249	def select_disp_angle(self, event):
250	"""
251	Event for when a user select a parameter to average over.
252	@param event: check box event
253	"""
254
255
256	# Go through the list of dispersion check boxes to identify which one has changed
257	for p in self.disp_cb_dict:
258	# Catch which one of the box was just checked or unchecked.
259	if event.GetEventObject() == self.disp_cb_dict[p]:
260
261
262	if self.disp_cb_dict[p].GetValue() == True:
263	# The user wants this parameter to be averaged.
264	# Pop up the file selection dialog.
265	path = self._selectDlg()
266
267	# If nothing was selected, just return
268	if path is None:
269	self.disp_cb_dict[p].SetValue(False)
270	return
271	try:
272	self._default_save_location = os.path.dirname(path)
273	except:
274	pass
275	try:
276	values,weights = self.read_file(path)
277	except:
278	msg="Could not read input file"
279	wx.PostEvent(self.parent.parent, StatusEvent(status= msg))
280	return
281
282	# If any of the two arrays is empty, notify the user that we won't
283	# proceed
284	if values is None or weights is None:
285	wx.PostEvent(self.parent.parent, StatusEvent(status=\
286	"The loaded %s distrubtion is corrupted or empty" % p))
287	return
288
289	# Tell the user that we are about to apply the distribution
290	wx.PostEvent(self.parent.parent, StatusEvent(status=\
291	"Applying loaded %s distribution: %s" % (p, path)))
292
293	# Create the dispersion objects
294	from sans.models.dispersion_models import ArrayDispersion
295	disp_model = ArrayDispersion()
296	disp_model.set_weights(values, weights)
297	# Store the object to make it persist outside the scope of this method
298	#TODO: refactor model to clean this up?
299	self._disp_obj_dict[p] = disp_model
300	# Set the new model as the dispersion object for the selected parameter
301	self.model.set_dispersion(p, disp_model)
302	# Store a reference to the weights in the model object so that
303	# it's not lost when we use the model within another thread.
304	#TODO: total hack - fix this
305	if not hasattr(self.model, "_persistency_dict"):
306	self.model._persistency_dict = {}
307	self.model._persistency_dict[p] = [values, weights]
308	else:
309	# The parameter was un-selected. Go back to Gaussian model (with 0 pts)
310	self._reset_dispersity()
311
312	## Redraw the model
313	self._draw_model()
314	return
315
316
317	def onResetModel(self, event):
318	"""
319	Reset model state
320	"""
321	## post help message for the selected model
322	msg = self.slicerpop.GetHelpString(event.GetId())
323	msg +=" reloaded"
324	wx.PostEvent(self.parent.parent, StatusEvent(status = msg ))
325
326	name= self.slicerpop.GetLabel(event.GetId())
327	if name in self.saved_states.keys():
328	previous_state = self.saved_states[name]
329	self.reset_page(previous_state)
330
331
332	def onSave(self, event):
333	"""
334	save history of the data and model
335	"""
336	if self.model==None:
337	return
338	if hasattr(self,"enable_disp"):
339	self.state.enable_disp = copy.deepcopy(self.enable_disp.GetValue())
340	if hasattr(self, "disp_box"):
341	self.state.disp_box = copy.deepcopy(self.disp_box.GetSelection())
342
343	self.state.model = self.model.clone()
344	new_state = self.state.clone()
345	## save checkbutton state and txtcrtl values
346	self._copy_parameters_state(self.orientation_params,
347	self.state.orientation_params)
348	self._copy_parameters_state(self.orientation_params_disp,
349	self.state.orientation_params_disp)
350	self._copy_parameters_state(self.parameters, self.state.parameters)
351
352	self._copy_parameters_state(self.fittable_param, self.state.fittable_param)
353	self._copy_parameters_state(self.fixed_param, self.state.fixed_param)
354
355	##Add model state on context menu
356	self.number_saved_state += 1
357	name= self.model.name+"[%g]"%self.number_saved_state
358	self.saved_states[name]= new_state
359
360	## Add item in the context menu
361
362	year, month, day,hour,minute,second,tda,ty,tm_isdst= time.localtime()
363	my_time= str(hour)+" : "+str(minute)+" : "+str(second)+" "
364	date= str( month)+"\|"+str(day)+"\|"+str(year)
365	msg= "Model saved at %s on %s"%(my_time, date)
366	## post help message for the selected model
367	msg +=" Saved! right click on this page to retrieve this model"
368	wx.PostEvent(self.parent.parent, StatusEvent(status = msg ))
369
370	id = wx.NewId()
371	self.slicerpop.Append(id,name,str(msg))
372	wx.EVT_MENU(self, id, self.onResetModel)
373
374	def onSetFocus(self, evt):
375	"""
376	highlight the current textcrtl and hide the error text control shown
377	after fitting
378	"""
379
380	if hasattr(self,"text2_3"):
381	self.text2_3.Hide()
382	if len(self.parameters)>0:
383	for item in self.parameters:
384	## hide statictext +/-
385	if item[3]!=None:
386	item[3].Hide()
387	## hide textcrtl for error after fit
388	if item[4]!=None:
389	item[4].Clear()
390	item[4].Hide()
391	if len(self.fittable_param)>0:
392	for item in self.fittable_param:
393	## hide statictext +/-
394	if item[3]!=None:
395	item[3].Hide()
396	## hide textcrtl for error after fit
397	if item[4]!=None:
398	item[4].Clear()
399	item[4].Hide()
400	self.Layout()
401	# Get a handle to the TextCtrl
402	widget = evt.GetEventObject()
403	# Select the whole control, after this event resolves
404	wx.CallAfter(widget.SetSelection, -1,-1)
405	return
406
407
408	def read_file(self, path):
409	"""
410	Read two columns file
411	@param path: the path to the file to read
412	"""
413	try:
414	if path==None:
415	wx.PostEvent(self.parent.parent, StatusEvent(status=\
416	" Selected Distribution was not loaded: %s"%path))
417	return None, None
418	input_f = open(path, 'r')
419	buff = input_f.read()
420	lines = buff.split('\n')
421
422	angles = []
423	weights=[]
424	for line in lines:
425	toks = line.split()
426	try:
427	angle = float(toks[0])
428	weight = float(toks[1])
429	except:
430	# Skip non-data lines
431	pass
432	angles.append(angle)
433	weights.append(weight)
434	return numpy.array(angles), numpy.array(weights)
435	except:
436	raise
437
438
439	def createMemento(self):
440	"""
441	return the current state of the page
442	"""
443	return self.state.clone()
444
445
446	def save_current_state(self):
447	"""
448	Store current state
449	"""
450	if self.model!= None:
451	self.state.model = self.model.clone()
452	self.state.save_data(self.data)
453
454	if hasattr(self,"cb1"):
455	self.state.cb1= self.cb1.GetValue()
456
457	if hasattr(self,"enable_disp"):
458	self.state.enable_disp= self.enable_disp.GetValue()
459	self.state.disable_disp = self.disable_disp.GetValue()
460
461	self.state.smearer = copy.deepcopy(self.smearer)
462	if hasattr(self,"enable_smearer"):
463	self.state.enable_smearer = copy.deepcopy(self.enable_smearer.GetValue())
464	self.state.disable_smearer = copy.deepcopy(self.disable_smearer.GetValue())
465
466
467	if hasattr(self,"disp_box"):
468	self.state.disp_box = self.disp_box.GetCurrentSelection()
469	self._save_plotting_range()
470
471	self.state.orientation_params =[]
472	self.state.orientation_params_disp =[]
473	self.state.parameters =[]
474	self.state.fittable_param =[]
475	self.state.fixed_param =[]
476
477	## save checkbutton state and txtcrtl values
478	self._copy_parameters_state(self.orientation_params,
479	self.state.orientation_params)
480	self._copy_parameters_state(self.orientation_params_disp,
481	self.state.orientation_params_disp)
482	self._copy_parameters_state(self.parameters, self.state.parameters)
483
484	self._copy_parameters_state(self.fittable_param, self.state.fittable_param)
485	self._copy_parameters_state(self.fixed_param, self.state.fixed_param)
486
487	## post state to fit panel
488	event = PageInfoEvent(page = self)
489	wx.PostEvent(self.parent, event)
490
491
492	def reset_page_helper(self, state):
493	"""
494	Use page_state and change the state of existing page
495	"""
496	self.state = state.clone()
497	self.model= self.state.model
498	self.data = self.state.data
499	self.smearer= self.state.smearer
500	self.state.enable_smearer=state.enable_smearer
501
502	##model parameter values restore
503	self._set_model_sizer_selection( self.model )
504	self.set_model_param_sizer(self.model)
505	if hasattr(self, "cb1"):
506	self.cb1.SetValue(self.state.cb1)
507	## display dispersion info layer
508	self.enable_disp.SetValue(self.state.enable_disp)
509	self.disable_disp.SetValue(self.state.disable_disp)
510	if hasattr(self, "disp_box"):
511	self.disp_box.SetSelection(self.state.disp_box)
512	self._set_dipers_Param(event=None)
513	##plotting range restore
514	self._reset_plotting_range()
515	## smearing info restore
516	if hasattr(self,"enable_smearer"):
517	## set smearing value whether or not the data contain the smearing info
518	self.enable_smearer.SetValue(state.enable_smearer)
519	self.disable_smearer.SetValue(state.disable_smearer)
520	self.compute_chisqr(smearer= self.smearer)
521
522
523	## reset state of checkbox,textcrtl and parameters value
524	self._reset_parameters_state(self.orientation_params_disp,
525	state.orientation_params_disp)
526	self._reset_parameters_state(self.orientation_params,
527	state.orientation_params)
528	self._reset_parameters_state(self.parameters,state.parameters)
529	self._reset_parameters_state(self.fittable_param,state.fittable_param)
530	self._reset_parameters_state(self.fixed_param,state.fixed_param)
531
532	## reset context menu items
533	self._reset_context_menu()
534	## draw the model with previous parameters value
535	self._draw_model()
536
537
538
539
540
541	def _selectDlg(self):
542	"""
543	open a dialog file to selected the customized dispersity
544	"""
545	import os
546	dlg = wx.FileDialog(self, "Choose a weight file",
547	self._default_save_location , "", ".", wx.OPEN)
548	path = None
549	if dlg.ShowModal() == wx.ID_OK:
550	path = dlg.GetPath()
551	dlg.Destroy()
552	return path
553
554
555	def _reset_context_menu(self):
556	"""
557	reset the context menu
558	"""
559	for name, state in self.state.saved_states.iteritems():
560	self.number_saved_state += 1
561	## Add item in the context menu
562	id = wx.NewId()
563	self.slicerpop.Append(id,name, 'Save model and state %g'%self.number_saved_state)
564	wx.EVT_MENU(self, id, self.onResetModel)
565
566	def _reset_plotting_range(self):
567	"""
568	Reset the plotting range to a given state
569	"""
570
571	#self.qmin.SetValue(format_number(self.state.qmin))
572	#self.qmax.SetValue(format_number(self.state.qmax))
573	self.qmin.SetValue(str(self.state.qmin))
574	self.qmax.SetValue(str(self.state.qmax))
575	if self.state.npts!=None:
576	self.npts.SetValue(format_number(self.state.npts))
577	self.num_points = float(self.state.npts)
578
579	self.qmin_x = float(self.qmin.GetValue())
580	self.qmax_x = float(self.qmax.GetValue())
581
582
583	def _save_plotting_range(self ):
584	"""
585	save the state of plotting range
586	"""
587	self.state.qmin = self.qmin_x
588	self.state.qmax = self.qmax_x
589	if self.npts!=None:
590	self.state.npts= self.num_points
591
592
593	def _onparamEnter_helper(self):
594	"""
595	check if values entered by the user are changed and valid to replot
596	model
597	use : _check_value_enter
598	"""
599	if self.model !=None:
600	## save current state
601	self.save_current_state()
602	# Flag to register when a parameter has changed.
603	is_modified = False
604	is_modified =self._check_value_enter( self.fittable_param ,is_modified)
605	is_modified =self._check_value_enter( self.fixed_param ,is_modified)
606	is_modified =self._check_value_enter( self.parameters ,is_modified)
607
608	self.Layout()
609	# Here we should check whether the boundaries have been modified.
610	# If qmin and qmax have been modified, update qmin and qmax and
611	# set the is_modified flag to True
612	from sans.guiframe.utils import check_value
613	if check_value( self.qmin, self.qmax):
614	if float(self.qmin.GetValue()) != self.qmin_x:
615	self.qmin_x = float(self.qmin.GetValue())
616	is_modified = True
617	if float(self.qmax.GetValue()) != self.qmax_x:
618	self.qmax_x = float(self.qmax.GetValue())
619	is_modified = True
620	self.fitrange = True
621	else:
622	self.fitrange = False
623	if self.npts != None:
624	if check_float(self.npts):
625	if float(self.npts.GetValue()) != self.num_points:
626	self.num_points = float(self.npts.GetValue())
627	is_modified = True
628	else:
629	msg= "Cannot Plot :Must enter a number!!! "
630	wx.PostEvent(self.parent.parent, StatusEvent(status = msg ))
631
632
633	## if any value is modify draw model with new value
634	if is_modified:
635	self._draw_model()
636
637
638	def _reset_parameters_state(self, listtorestore,statelist):
639	"""
640	Reset the parameters at the given state
641	"""
642	if len(statelist)==0 or len(listtorestore)==0 :
643	return
644	if len(statelist)!= len(listtorestore) :
645	return
646	for j in range(len(listtorestore)):
647	item_page = listtorestore[j]
648	item_page_info = statelist[j]
649	##change the state of the check box for simple parameters
650	if item_page[0]!=None:
651	item_page[0].SetValue(item_page_info[0])
652
653	if item_page[2]!=None:
654	item_page[2].SetValue(item_page_info[2])
655
656	if item_page[3]!=None:
657	## show or hide text +/-
658	if item_page_info[2]:
659	item_page[3].Show(True)
660	else:
661	item_page[3].Hide()
662	if item_page[4]!=None:
663	## show of hide the text crtl for fitting error
664	if item_page_info[4][0]:
665	item_page[4].Show(True)
666	item_page[4].SetValue(item_page_info[4][1])
667	else:
668	item_page[3].Hide()
669	if item_page[5]!=None:
670	## show of hide the text crtl for fitting error
671	if item_page_info[5][0]:
672	item_page[5].Show(True)
673	item_page[5].SetValue(item_page_info[4][1])
674	else:
675	item_page[5].Hide()
676
677	if item_page[6]!=None:
678	## show of hide the text crtl for fitting error
679	if item_page_info[6][0]:
680	item_page[6].Show(True)
681	item_page[6].SetValue(item_page_info[6][1])
682	else:
683	item_page[6].Hide()
684
685
686	def _copy_parameters_state(self, listtocopy, statelist):
687	"""
688	copy the state of button
689	@param listtocopy: the list of check button to copy
690	@param statelist: list of state object to store the current state
691	"""
692
693	if len(listtocopy)==0:
694	return
695
696	for item in listtocopy:
697	checkbox_state = None
698	if item[0]!= None:
699	checkbox_state= item[0].GetValue()
700	parameter_name = item[1]
701	parameter_value = None
702	if item[2]!=None:
703	parameter_value = item[2].GetValue()
704	static_text = None
705	if item[3]!=None:
706	static_text = item[3].IsShown()
707	error_value = None
708	error_state = None
709	if item[4]!= None:
710	error_value = item[4].GetValue()
711	error_state = item[4].IsShown()
712
713	min_value = None
714	min_state = None
715	if item[5]!= None:
716	min_value = item[5].GetValue()
717	min_state = item[5].IsShown()
718
719	max_value = None
720	max_state = None
721	if item[6]!= None:
722	max_value = item[6].GetValue()
723	max_state = item[6].IsShown()
724
725	statelist.append([checkbox_state, parameter_name, parameter_value,
726	static_text ,[error_state,error_value],
727	[min_state,min_value],[max_state , max_value],None])
728
729
730
731	def _set_model_sizer_selection(self, model):
732	"""
733	Display the sizer according to the type of the current model
734	"""
735	if hasattr(model ,"model2"):
736
737	class_name= model.model2.__class__
738	name= model.model2.name
739	flag= name != "NoStructure"
740	if flag and (class_name in self.model_list_box["Structure Factors"]):
741	self.structurebox.Enable()
742	items = self.structurebox.GetItems()
743	self.sizer1.Layout()
744	self.SetScrollbars(20,20,200,100)
745	for i in range(len(items)):
746	if items[i]== str(name):
747	self.structurebox.SetSelection(i)
748	break
749
750	if hasattr(model ,"model1"):
751	class_name = model.model1.__class__
752	name = model.model1.name
753	self.formfactorbox.Clear()
754
755	for k, list in self.model_list_box.iteritems():
756	if k in["P(Q)*S(Q)","Shapes" ] and class_name in self.model_list_box["Shapes"]:
757	self.shape_rbutton.SetValue(True)
758	## fill the form factor list with new model
759	self._populate_box(self.formfactorbox,self.model_list_box["Shapes"])
760	items = self.formfactorbox.GetItems()
761	## set comboxbox to the selected item
762	for i in range(len(items)):
763	if items[i]== str(name):
764	self.formfactorbox.SetSelection(i)
765	break
766	return
767	elif k == "Shape-Independent":
768	self.shape_indep_rbutton.SetValue(True)
769	elif k == "Structure Factors":
770	self.struct_rbutton.SetValue(True)
771	else:
772	self.plugin_rbutton.SetValue(True)
773
774	if class_name in list:
775	## fill the form factor list with new model
776	self._populate_box(self.formfactorbox, list)
777	items = self.formfactorbox.GetItems()
778	## set comboxbox to the selected item
779	for i in range(len(items)):
780	if items[i]== str(name):
781	self.formfactorbox.SetSelection(i)
782	break
783	break
784	else:
785	## Select the model from the combobox
786	class_name = model.__class__
787	name = model.name
788	self.formfactorbox.Clear()
789	items = self.formfactorbox.GetItems()
790
791	for k, list in self.model_list_box.iteritems():
792	if k in["P(Q)*S(Q)","Shapes" ] and class_name in self.model_list_box["Shapes"]:
793
794	if class_name in self.model_list_box["P(Q)*S(Q)"]:
795	self.structurebox.Enable()
796	else:
797	self.structurebox.Disable()
798	self.structurebox.SetSelection(0)
799
800	self.shape_rbutton.SetValue(True)
801	## fill the form factor list with new model
802	self._populate_box(self.formfactorbox,self.model_list_box["Shapes"])
803	items = self.formfactorbox.GetItems()
804	## set comboxbox to the selected item
805	for i in range(len(items)):
806	if items[i]== str(name):
807	self.formfactorbox.SetSelection(i)
808	break
809	return
810	elif k == "Shape-Independent":
811	self.shape_indep_rbutton.SetValue(True)
812	elif k == "Structure Factors":
813	self.struct_rbutton.SetValue(True)
814	else:
815	self.plugin_rbutton.SetValue(True)
816	if class_name in list:
817	self.structurebox.SetSelection(0)
818	self.structurebox.Disable()
819	## fill the form factor list with new model
820	self._populate_box(self.formfactorbox, list)
821	items = self.formfactorbox.GetItems()
822	## set comboxbox to the selected item
823	for i in range(len(items)):
824	if items[i]== str(name):
825	self.formfactorbox.SetSelection(i)
826	break
827	break
828
829
830	def _draw_model(self):
831	"""
832	Method to draw or refresh a plotted model.
833	The method will use the data member from the model page
834	to build a call to the fitting perspective manager.
835
836	[Note to coder: This way future changes will be done in only one place.]
837	"""
838	if self.model !=None:
839	temp_smear=None
840	if hasattr(self, "enable_smearer"):
841	if self.enable_smearer.GetValue():
842	temp_smear= self.smearer
843	self.manager.draw_model(self.model, data=self.data,
844	smearer= temp_smear,
845	qmin=float(self.qmin_x), qmax=float(self.qmax_x),
846	qstep= float(self.num_points),
847	enable2D=self.enable2D)
848
849	def _set_model_sizer(self, sizer, title="", object=None):
850	"""
851	Use lists to fill a sizer for model info
852	"""
853
854	sizer.Clear(True)
855	box_description= wx.StaticBox(self, -1,str(title))
856	boxsizer1 = wx.StaticBoxSizer(box_description, wx.VERTICAL)
857	#--------------------------------------------------------
858	self.shape_rbutton = wx.RadioButton(self, -1, 'Shapes', style=wx.RB_GROUP)
859	self.shape_indep_rbutton = wx.RadioButton(self, -1, "Shape-Independent")
860	self.struct_rbutton = wx.RadioButton(self, -1, "Structure Factor ")
861	self.plugin_rbutton = wx.RadioButton(self, -1, "Customized Models")
862
863	self.Bind( wx.EVT_RADIOBUTTON, self._show_combox,
864	id= self.shape_rbutton.GetId() )
865	self.Bind( wx.EVT_RADIOBUTTON, self._show_combox,
866	id= self.shape_indep_rbutton.GetId() )
867	self.Bind( wx.EVT_RADIOBUTTON, self._show_combox,
868	id= self.struct_rbutton.GetId() )
869	self.Bind( wx.EVT_RADIOBUTTON, self._show_combox,
870	id= self.plugin_rbutton.GetId() )
871
872
873	sizer_radiobutton = wx.GridSizer(2, 2,5, 5)
874	sizer_radiobutton.Add(self.shape_rbutton)
875	sizer_radiobutton.Add(self.shape_indep_rbutton)
876	sizer_radiobutton.Add(self.plugin_rbutton)
877	sizer_radiobutton.Add(self.struct_rbutton)
878
879	sizer_selection = wx.BoxSizer(wx.HORIZONTAL)
880
881	self.text1 = wx.StaticText( self,-1,"" )
882	self.text2 = wx.StaticText( self,-1,"P(Q)*S(Q)" )
883
884
885	self.formfactorbox = wx.ComboBox(self, -1,style=wx.CB_READONLY)
886	if self.model!=None:
887	self.formfactorbox.SetValue(self.model.name)
888
889
890	self.structurebox = wx.ComboBox(self, -1,style=wx.CB_READONLY)
891	wx.EVT_COMBOBOX(self.formfactorbox,-1, self._on_select_model)
892	wx.EVT_COMBOBOX(self.structurebox,-1, self._on_select_model)
893
894
895
896	## fill combox box
897	if len(self.model_list_box)>0:
898	self._populate_box( self.formfactorbox,self.model_list_box["Shapes"])
899
900	if len(self.model_list_box)>0:
901	self._populate_box( self.structurebox,
902	self.model_list_box["Structure Factors"])
903	self.structurebox.Insert("None", 0,None)
904	self.structurebox.SetSelection(0)
905	self.structurebox.Disable()
906
907	if self.model.__class__ in self.model_list_box["P(Q)*S(Q)"]:
908	self.structurebox.Enable()
909
910
911	## check model type to show sizer
912	if self.model !=None:
913	self._set_model_sizer_selection( self.model )
914
915	sizer_selection.Add(self.text1)
916	sizer_selection.Add((5,5))
917	sizer_selection.Add(self.formfactorbox)
918	sizer_selection.Add((5,5))
919	sizer_selection.Add(self.text2)
920	sizer_selection.Add((5,5))
921	sizer_selection.Add(self.structurebox)
922	sizer_selection.Add((5,5))
923
924	boxsizer1.Add( sizer_radiobutton )
925	boxsizer1.Add( (20,20))
926	boxsizer1.Add( sizer_selection )
927	if object !=None:
928	boxsizer1.Add( (-72,-72))
929	boxsizer1.Add( object, 0, wx.ALIGN_RIGHT\| wx.RIGHT, 10)
930	boxsizer1.Add( (60,60))
931	#--------------------------------------------------------
932	sizer.Add(boxsizer1,0, wx.EXPAND \| wx.ALL, 10)
933	sizer.Layout()
934	self.SetScrollbars(20,20,200,100)
935
936
937	def _show_combox(self, event):
938	"""
939	Show combox box associate with type of model selected
940	"""
941	## Don't want to populate combo box again if the event comes from check box
942	if self.shape_rbutton.GetValue()and\
943	event.GetEventObject()==self.shape_rbutton:
944	##fill the combobox with form factor list
945	self.structurebox.SetSelection(0)
946	self.structurebox.Disable()
947	self.formfactorbox.Clear()
948	self._populate_box( self.formfactorbox,self.model_list_box["Shapes"])
949
950	if self.shape_indep_rbutton.GetValue()and\
951	event.GetEventObject()==self.shape_indep_rbutton:
952	##fill the combobox with shape independent factor list
953	self.structurebox.SetSelection(0)
954	self.structurebox.Disable()
955	self.formfactorbox.Clear()
956	self._populate_box( self.formfactorbox,
957	self.model_list_box["Shape-Independent"])
958
959	if self.struct_rbutton.GetValue() and\
960	event.GetEventObject()==self.struct_rbutton:
961	##fill the combobox with structure factor list
962	self.structurebox.SetSelection(0)
963	self.structurebox.Disable()
964	self.formfactorbox.Clear()
965	self._populate_box( self.formfactorbox,
966	self.model_list_box["Structure Factors"])
967
968	if self.plugin_rbutton.GetValue()and\
969	event.GetEventObject()==self.plugin_rbutton:
970
971	##fill the combobox with form factor list
972	self.structurebox.Disable()
973	self.formfactorbox.Clear()
974	self._populate_box( self.formfactorbox,
975	self.model_list_box["Customized Models"])
976
977	self._on_select_model(event=None)
978	self.sizer4_4.Layout()
979	self.sizer4.Layout()
980	self.Layout()
981	self.Refresh()
982	self.SetScrollbars(20,20,200,100)
983
984	def _populate_box(self, combobox, list):
985	"""
986	fill combox box with dict item
987	@param list: contains item to fill the combox
988	item must model class
989	"""
990	for models in list:
991	model= models()
992	name = model.__class__.__name__
993	if models.__name__!="NoStructure":
994	if hasattr(model, "name"):
995	name = model.name
996	combobox.Append(name,models)
997	try:
998
999	combobox.SetSelection(0)
1000
1001	except:
1002	pass
1003
1004	return 0
1005
1006
1007	def _on_select_model_helper(self):
1008	"""
1009	call back for model selection
1010	"""
1011	## reset dictionary containing reference to dispersion
1012	self._disp_obj_dict = {}
1013	self.disp_cb_dict ={}
1014	f_id = self.formfactorbox.GetCurrentSelection()
1015	form_factor = self.formfactorbox.GetClientData( f_id )
1016	if not form_factor in self.model_list_box["multiplication"]:
1017	self.structurebox.Disable()
1018	self.structurebox.SetSelection(0)
1019	else:
1020	self.structurebox.Enable()
1021
1022	s_id = self.structurebox.GetCurrentSelection()
1023	struct_factor = self.structurebox.GetClientData( s_id )
1024
1025	if struct_factor !=None:
1026	from sans.models.MultiplicationModel import MultiplicationModel
1027	self.model= MultiplicationModel(form_factor(),struct_factor())
1028	else:
1029	self.model= form_factor()
1030
1031	## post state to fit panel
1032	self.state.model =self.model
1033	## post state to fit panel
1034	event = PageInfoEvent(page = self)
1035	wx.PostEvent(self.parent, event)
1036
1037	self.sizer4_4.Layout()
1038	self.sizer4.Layout()
1039	self.Layout()
1040	self.SetScrollbars(20,20,200,100)
1041	self.Refresh()
1042
1043
1044
1045	def _onparamEnter(self,event):
1046	"""
1047	when enter value on panel redraw model according to changed
1048	"""
1049	tcrtl= event.GetEventObject()
1050	if check_float(tcrtl):
1051	self._onparamEnter_helper()
1052	else:
1053	msg= "Cannot Plot :Must enter a number!!! "
1054	wx.PostEvent(self.parent.parent, StatusEvent(status = msg ))
1055	return
1056
1057
1058	def _check_value_enter(self, list, modified):
1059	"""
1060	@param list: model parameter and panel info
1061	each item of the list should be as follow:
1062	item=[cb state, name, value, "+/-", error of fit, min, max , units]
1063	"""
1064	is_modified = modified
1065	if len(list)==0:
1066	return is_modified
1067	for item in list:
1068	try:
1069	name = str(item[1])
1070	if hasattr(self,"text2_3"):
1071	self.text2_3.Hide()
1072	## check model parameters range
1073	## check minimun value
1074	param_min= None
1075	param_max= None
1076	if item[5]!= None:
1077	if item[5].GetValue().lstrip().rstrip()!="":
1078	param_min = float(item[5].GetValue())
1079
1080	## check maximum value
1081	if item[6]!= None:
1082	if item[6].GetValue().lstrip().rstrip()!="":
1083	param_max = float(item[6].GetValue())
1084
1085	from sans.guiframe.utils import check_value
1086	if param_min != None and param_max !=None:
1087	if not check_value(item[5], item[6]):
1088	msg= "Wrong Fit range entered for parameter "
1089	msg+= "name %s of model %s "%(name, self.model.name)
1090	wx.PostEvent(self.parent.parent, StatusEvent(status = msg ))
1091	if name in self.model.details.keys():
1092	self.model.details[name][1:]= param_min,param_max
1093
1094	## hide statictext +/-
1095	if item[3]!=None:
1096	item[3].Hide()
1097	## hide textcrtl for error after fit
1098	if item[4]!=None:
1099	item[4].Clear()
1100	item[4].Hide()
1101
1102
1103	value= float(item[2].GetValue())
1104
1105	# If the value of the parameter has changed,
1106	# +update the model and set the is_modified flag
1107	if value != self.model.getParam(name):
1108	self.model.setParam(name,value)
1109	is_modified = True
1110
1111	except:
1112	msg= "Model Drawing Error:wrong value entered : %s"% sys.exc_value
1113	wx.PostEvent(self.parent.parent, StatusEvent(status = msg ))
1114	return
1115
1116	return is_modified
1117
1118
1119	def _set_dipers_Param(self, event):
1120	"""
1121	Add more item to select user dispersity
1122	"""
1123	self._reset_dispersity()
1124
1125	if self.enable_disp.GetValue():
1126	self.model_disp.Show(True)
1127	self.disp_box.Show(True)
1128	## layout for model containing no dispersity parameters
1129	if len(self.disp_list)==0:
1130	self._layout_sizer_noDipers()
1131	else:
1132	## set gaussian sizer
1133	self._on_select_Disp(event=None)
1134	else:
1135	self.model_disp.Hide()
1136	self.disp_box.Hide()
1137	self.sizer4_4.Clear(True)
1138	self._reset_dispersity()
1139
1140
1141	## post state to fit panel
1142	self.save_current_state()
1143
1144
1145
1146
1147	def _layout_sizer_noDipers(self):
1148	"""
1149	Draw a sizer with no dispersity info
1150	"""
1151	ix=0
1152	iy=1
1153	self.fittable_param=[]
1154	self.fixed_param=[]
1155	self.orientation_params_disp=[]
1156
1157	self.model_disp.Hide()
1158	self.disp_box.Hide()
1159	self.sizer4_4.Clear(True)
1160	model_disp = wx.StaticText(self, -1, 'No PolyDispersity for this model')
1161	self.sizer4_4.Add(model_disp,( iy, ix),(1,1), wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
1162	self.sizer4_4.Layout()
1163	self.sizer4.Layout()
1164	self.SetScrollbars(20,20,200,100)
1165
1166
1167	def _reset_dispersity(self):
1168	"""
1169	put gaussian dispersity into current model
1170	"""
1171	if len(self.param_toFit)>0:
1172	for item in self.fittable_param:
1173	if item in self.param_toFit:
1174	self.param_toFit.remove(item)
1175	for item in self.orientation_params_disp:
1176	if item in self.param_toFit:
1177	self.param_toFit.remove(item)
1178
1179	self.fittable_param=[]
1180	self.fixed_param=[]
1181	self.orientation_params_disp=[]
1182
1183	from sans.models.dispersion_models import GaussianDispersion
1184	if len(self.disp_cb_dict)==0:
1185	self.sizer4_4.Clear(True)
1186	self.sizer4_4.Layout()
1187	self.sizer4.Layout()
1188	self.Layout()
1189	self.Refresh()
1190	self.SetScrollbars(20,20,200,100)
1191	return
1192
1193	for p in self.disp_cb_dict:
1194	# The parameter was un-selected. Go back to Gaussian model (with 0 pts)
1195	disp_model = GaussianDispersion()
1196	# Store the object to make it persist outside the scope of this method
1197	#TODO: refactor model to clean this up?
1198	self._disp_obj_dict[p] = disp_model
1199	# Set the new model as the dispersion object for the selected parameter
1200	self.model.set_dispersion(p, disp_model)
1201	# Redraw the model
1202	self._draw_model()
1203
1204	self.sizer4_4.Layout()
1205	self.sizer4.Layout()
1206	self.Layout()
1207	self.SetScrollbars(20,20,200,100)
1208	self.Refresh()
1209
1210
1211
1212	def _on_select_Disp(self,event):
1213	"""
1214	allow selecting different dispersion
1215	self.disp_list should change type later .now only gaussian
1216	"""
1217
1218	n = self.disp_box.GetCurrentSelection()
1219	dispersity= self.disp_box.GetClientData(n)
1220	name= dispersity.__name__
1221	if name == "GaussianDispersion":
1222	self._set_sizer_gaussian()
1223
1224	if name=="ArrayDispersion":
1225	self._set_sizer_arraydispersion()
1226
1227	self.state.disp_box= n
1228	## post state to fit panel
1229	event = PageInfoEvent(page = self)
1230	wx.PostEvent(self.parent, event)
1231
1232	self.sizer4_4.Layout()
1233	self.sizer4.Layout()
1234	self.Layout()
1235	self.SetScrollbars(20,20,200,100)
1236	self.Refresh()
1237
1238
1239
1240
1241	def _set_sizer_arraydispersion(self):
1242	"""
1243	draw sizer with array dispersity parameters
1244	"""
1245	if len(self.param_toFit)>0:
1246	for item in self.fittable_param:
1247	if item in self.param_toFit:
1248	self.param_toFit.remove(item)
1249	for item in self.orientation_params_disp:
1250	if item in self.param_toFit:
1251	self.param_toFit.remove(item)
1252	self.fittable_param=[]
1253	self.fixed_param=[]
1254	self.orientation_params_disp=[]
1255	self.sizer4_4.Clear(True)
1256	ix=0
1257	iy=1
1258	disp1 = wx.StaticText(self, -1, 'Array Dispersion')
1259	self.sizer4_4.Add(disp1,( iy, ix),(1,1), wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
1260
1261	# Look for model parameters to which we can apply an ArrayDispersion model
1262	# Add a check box for each parameter.
1263	self.disp_cb_dict = {}
1264	for p in self.model.dispersion.keys():
1265	ix+=1
1266	self.disp_cb_dict[p] = wx.CheckBox(self, -1, p, (10, 10))
1267
1268	wx.EVT_CHECKBOX(self, self.disp_cb_dict[p].GetId(), self.select_disp_angle)
1269	self.sizer4_4.Add(self.disp_cb_dict[p], (iy, ix), (1,1), wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
1270
1271	ix =0
1272	iy +=1
1273	self.sizer4_4.Add((20,20),(iy,ix),(1,1), wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
1274	self.sizer4_4.Layout()
1275	self.sizer4.Layout()
1276	self.SetScrollbars(20,20,200,100)
1277
1278
1279	def _set_range_sizer(self, title, object1=None,object=None):
1280	"""
1281	Fill the
1282	"""
1283	self.sizer5.Clear(True)
1284	box_description= wx.StaticBox(self, -1,str(title))
1285	boxsizer1 = wx.StaticBoxSizer(box_description, wx.VERTICAL)
1286	#--------------------------------------------------------------
1287	self.qmin = wx.TextCtrl(self, -1,size=(_BOX_WIDTH,20))
1288	#For qmin and qmax, do not use format_number.(If do, qmin and max could be different from what is in the data.)
1289	#self.qmin.SetValue(format_number(self.qmin_x))
1290	self.qmin.SetValue(str(self.qmin_x))
1291	self.qmin.SetToolTipString("Minimun value of Q in linear scale.")
1292	self.qmin.Bind(wx.EVT_SET_FOCUS, self.onSetFocus)
1293	self.qmin.Bind(wx.EVT_KILL_FOCUS, self._onparamEnter)
1294	self.qmin.Bind(wx.EVT_TEXT_ENTER, self._onparamEnter)
1295
1296	self.qmax = wx.TextCtrl(self, -1,size=(_BOX_WIDTH,20))
1297	#For qmin and qmax, do not use format_number.(If do, qmin and max could be different from what is in the data.)
1298	#self.qmax.SetValue(format_number(self.qmax_x))
1299	self.qmax.SetValue(str(self.qmax_x))
1300	self.qmax.SetToolTipString("Maximum value of Q in linear scale.")
1301	self.qmax.Bind(wx.EVT_SET_FOCUS, self.onSetFocus)
1302	self.qmax.Bind(wx.EVT_KILL_FOCUS, self._onparamEnter)
1303	self.qmax.Bind(wx.EVT_TEXT_ENTER, self._onparamEnter)
1304
1305	sizer_horizontal=wx.BoxSizer(wx.HORIZONTAL)
1306	sizer= wx.GridSizer(3, 3,5, 5)
1307
1308	sizer.Add((5,5))
1309	sizer.Add(wx.StaticText(self, -1, 'Min'))
1310	sizer.Add(wx.StaticText(self, -1, 'Max'))
1311	sizer.Add(wx.StaticText(self, -1, 'Q range'))
1312
1313	sizer.Add(self.qmin)
1314	sizer.Add(self.qmax)
1315	sizer_horizontal.Add(sizer)
1316	if object!=None:
1317	sizer_horizontal.Add(object)
1318
1319	if object1!=None:
1320	boxsizer1.Add(object1)
1321	boxsizer1.Add((10,10))
1322	boxsizer1.Add(sizer_horizontal)
1323	## save state
1324	self.save_current_state()
1325	#----------------------------------------------------------------
1326	self.sizer5.Add(boxsizer1,0, wx.EXPAND \| wx.ALL, 10)
1327	self.sizer5.Layout()
1328	self.Layout()
1329	self.SetScrollbars(20,20,200,100)
1330
1331
1332	def _fill_save_sizer(self):
1333	"""
1334	Draw the layout for saving option
1335	"""
1336	self.sizer6.Clear(True)
1337	box_description= wx.StaticBox(self, -1,"Save Status")
1338	boxsizer1 = wx.StaticBoxSizer(box_description, wx.VERTICAL)
1339	sizer_save = wx.BoxSizer(wx.HORIZONTAL)
1340
1341	self.btSave_title = wx.StaticText(self, -1, 'Save the current panel status')
1342	self.btSave = wx.Button(self,wx.NewId(),'Save')
1343	self.btSave.Bind(wx.EVT_BUTTON, self.onSave,id= self.btSave.GetId())
1344	self.btSave.SetToolTipString("Save current panel status")
1345
1346	sizer_save.Add(self.btSave_title)
1347	sizer_save.Add((20,20),0, wx.LEFT\|wx.RIGHT\|wx.EXPAND,45)
1348
1349	sizer_save.Add(self.btSave)
1350
1351	boxsizer1.Add(sizer_save)
1352	self.sizer6.Add(boxsizer1,0, wx.EXPAND \| wx.ALL, 10)
1353	self.sizer6.Layout()
1354	self.SetScrollbars(20,20,200,100)
1355
1356
1357

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SasView

source: sasview/sansview/perspectives/fitting/basepage.py @ a7fe3e3

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