basepage.py @ 513115c

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 513115c was 513115c, checked in by Gervaise Alina <gervyh@…>, 16 years ago
reducing possibility to fit the same model many time
Property mode set to `100644`
File size: 52.3 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
346	##Add model state on context menu
347	self.number_saved_state += 1
348	name= self.model.name+"[%g]"%self.number_saved_state
349	self.saved_states[name]= new_state
350
351	## Add item in the context menu
352
353	year, month, day,hour,minute,second,tda,ty,tm_isdst= time.localtime()
354	my_time= str(hour)+" : "+str(minute)+" : "+str(second)+" "
355	date= str( month)+"\|"+str(day)+"\|"+str(year)
356	msg= "Model saved at %s on %s"%(my_time, date)
357	## post help message for the selected model
358	msg +=" Saved! right click on this page to retrieve this model"
359	wx.PostEvent(self.parent.parent, StatusEvent(status = msg ))
360
361	id = wx.NewId()
362	self.slicerpop.Append(id,name,str(msg))
363	wx.EVT_MENU(self, id, self.onResetModel)
364
365	def onSetFocus(self, evt):
366	"""
367	highlight the current textcrtl and hide the error text control shown
368	after fitting
369	"""
370
371	if hasattr(self,"text2_3"):
372	self.text2_3.Hide()
373	if len(self.parameters)>0:
374	for item in self.parameters:
375	## hide statictext +/-
376	if item[3]!=None:
377	item[3].Hide()
378	## hide textcrtl for error after fit
379	if item[4]!=None:
380	item[4].Clear()
381	item[4].Hide()
382	if len(self.fittable_param)>0:
383	for item in self.fittable_param:
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	self.Layout()
392	# Get a handle to the TextCtrl
393	widget = evt.GetEventObject()
394	# Select the whole control, after this event resolves
395	wx.CallAfter(widget.SetSelection, -1,-1)
396	return
397
398
399	def read_file(self, path):
400	"""
401	Read two columns file
402	@param path: the path to the file to read
403	"""
404	try:
405	if path==None:
406	wx.PostEvent(self.parent.parent, StatusEvent(status=\
407	" Selected Distribution was not loaded: %s"%path))
408	return None, None
409	input_f = open(path, 'r')
410	buff = input_f.read()
411	lines = buff.split('\n')
412
413	angles = []
414	weights=[]
415	for line in lines:
416	toks = line.split()
417	if len(toks)==2:
418	try:
419	angle = float(toks[0])
420	weight = float(toks[1])
421	except:
422	# Skip non-data lines
423	pass
424	angles.append(angle)
425	weights.append(weight)
426	return numpy.array(angles), numpy.array(weights)
427	except:
428	raise
429
430
431	def createMemento(self):
432	"""
433	return the current state of the page
434	"""
435	return self.state.clone()
436
437
438	def save_current_state(self):
439	"""
440	Store current state
441	"""
442	if self.model!= None:
443	self.state.model = self.model.clone()
444	self.state.save_data(self.data)
445
446	if hasattr(self,"cb1"):
447	self.state.cb1= self.cb1.GetValue()
448
449	if hasattr(self,"enable_disp"):
450	self.state.enable_disp= self.enable_disp.GetValue()
451	self.state.disable_disp = self.disable_disp.GetValue()
452
453	self.state.smearer = copy.deepcopy(self.smearer)
454	if hasattr(self,"enable_smearer"):
455	self.state.enable_smearer = copy.deepcopy(self.enable_smearer.GetValue())
456	self.state.disable_smearer = copy.deepcopy(self.disable_smearer.GetValue())
457
458
459	if hasattr(self,"disp_box"):
460	self.state.disp_box = self.disp_box.GetCurrentSelection()
461	self._save_plotting_range()
462
463	## save checkbutton state and txtcrtl values
464
465	self._copy_parameters_state(self.parameters, self.state.parameters)
466	self._copy_parameters_state(self.fittable_param, self.state.fittable_param)
467	self._copy_parameters_state(self.fixed_param, self.state.fixed_param)
468	self._copy_parameters_state(self.orientation_params,
469	self.state.orientation_params)
470	self._copy_parameters_state(self.orientation_params_disp,
471	self.state.orientation_params_disp)
472
473
474	## post state to fit panel
475	event = PageInfoEvent(page = self)
476	wx.PostEvent(self.parent, event)
477
478
479	def reset_page_helper(self, state):
480	"""
481	Use page_state and change the state of existing page
482	"""
483	self.state = state.clone()
484	self.model= self.state.model
485	self.data = self.state.data
486	self.smearer= self.state.smearer
487	self.state.enable_smearer=state.enable_smearer
488
489	##model parameter values restore
490	self._set_model_sizer_selection( self.model )
491	self.set_model_param_sizer(self.model)
492	if hasattr(self, "cb1"):
493	self.cb1.SetValue(self.state.cb1)
494	## display dispersion info layer
495	self.enable_disp.SetValue(self.state.enable_disp)
496	self.disable_disp.SetValue(self.state.disable_disp)
497	if hasattr(self, "disp_box"):
498	self.disp_box.SetSelection(self.state.disp_box)
499	self._set_dipers_Param(event=None)
500	##plotting range restore
501	self._reset_plotting_range()
502	## smearing info restore
503	if hasattr(self,"enable_smearer"):
504	## set smearing value whether or not the data contain the smearing info
505	self.enable_smearer.SetValue(state.enable_smearer)
506	self.disable_smearer.SetValue(state.disable_smearer)
507	self.compute_chisqr(smearer= self.smearer)
508
509	## reset context menu items
510	self._reset_context_menu()
511	## reset state of checkbox,textcrtl and parameters value
512	self._reset_parameters_state(self.parameters,state.parameters)
513	self._reset_parameters_state(self.fittable_param,state.fittable_param)
514	self._reset_parameters_state(self.fixed_param,state.fixed_param)
515	self._reset_parameters_state(self.orientation_params_disp,
516	state.orientation_params_disp)
517	self._reset_parameters_state(self.orientation_params,
518	state.orientation_params)
519
520	## draw the model with previous parameters value
521	self._draw_model()
522
523
524
525
526
527	def _selectDlg(self):
528	"""
529	open a dialog file to selected the customized dispersity
530	"""
531	import os
532	dlg = wx.FileDialog(self, "Choose a weight file",
533	self._default_save_location , "", ".", wx.OPEN)
534	path = None
535	if dlg.ShowModal() == wx.ID_OK:
536	path = dlg.GetPath()
537	dlg.Destroy()
538	return path
539
540
541	def _reset_context_menu(self):
542	"""
543	reset the context menu
544	"""
545	for name, state in self.state.saved_states.iteritems():
546	self.number_saved_state += 1
547	## Add item in the context menu
548	id = wx.NewId()
549	self.slicerpop.Append(id,name, 'Save model and state %g'%self.number_saved_state)
550	wx.EVT_MENU(self, id, self.onResetModel)
551
552	def _reset_plotting_range(self):
553	"""
554	Reset the plotting range to a given state
555	"""
556
557	#self.qmin.SetValue(format_number(self.state.qmin))
558	#self.qmax.SetValue(format_number(self.state.qmax))
559	self.qmin.SetValue(str(self.state.qmin))
560	self.qmax.SetValue(str(self.state.qmax))
561	if self.state.npts!=None:
562	self.npts.SetValue(format_number(self.state.npts))
563	self.num_points = float(self.state.npts)
564
565	self.qmin_x = float(self.qmin.GetValue())
566	self.qmax_x = float(self.qmax.GetValue())
567
568
569	def _save_plotting_range(self ):
570	"""
571	save the state of plotting range
572	"""
573	self.state.qmin = self.qmin_x
574	self.state.qmax = self.qmax_x
575	if self.npts!=None:
576	self.state.npts= self.num_points
577
578
579	def _onparamEnter_helper(self):
580	"""
581	check if values entered by the user are changed and valid to replot
582	model
583	use : _check_value_enter
584	"""
585	if self.model !=None:
586	## save current state
587	self.save_current_state()
588	# Flag to register when a parameter has changed.
589	is_modified = False
590	is_modified =self._check_value_enter( self.fittable_param ,is_modified)
591	is_modified =self._check_value_enter( self.fixed_param ,is_modified)
592	is_modified =self._check_value_enter( self.parameters ,is_modified)
593
594
595	self.Layout()
596	# Here we should check whether the boundaries have been modified.
597	# If qmin and qmax have been modified, update qmin and qmax and
598	# set the is_modified flag to True
599	from sans.guiframe.utils import check_value
600	if check_value( self.qmin, self.qmax):
601	if float(self.qmin.GetValue()) != self.qmin_x:
602	self.qmin_x = float(self.qmin.GetValue())
603	is_modified = True
604	if float(self.qmax.GetValue()) != self.qmax_x:
605	self.qmax_x = float(self.qmax.GetValue())
606	is_modified = True
607	self.fitrange = True
608	else:
609	self.fitrange = False
610	if self.npts != None:
611	if check_float(self.npts):
612	if float(self.npts.GetValue()) != self.num_points:
613	self.num_points = float(self.npts.GetValue())
614	is_modified = True
615	else:
616	msg= "Cannot Plot :Must enter a number!!! "
617	wx.PostEvent(self.parent.parent, StatusEvent(status = msg ))
618
619
620	## if any value is modify draw model with new value
621	if is_modified:
622	self._draw_model()
623
624
625	def _reset_parameters_state(self, listtorestore,statelist):
626	"""
627	Reset the parameters at the given state
628	"""
629	if len(statelist)==0 or len(listtorestore)==0 :
630	return
631	if len(statelist)!= len(listtorestore) :
632	return
633	for j in range(len(listtorestore)):
634	item_page = listtorestore[j]
635	item_page_info = statelist[j]
636	##change the state of the check box for simple parameters
637	if item_page[0]!=None:
638	item_page[0].SetValue(item_page_info[0])
639
640	if item_page[2]!=None:
641	item_page[2].SetValue(item_page_info[2])
642
643	if item_page[3]!=None:
644	## show or hide text +/-
645	if item_page_info[2]:
646	item_page[3].Show(True)
647	else:
648	item_page[3].Hide()
649	if item_page[4]!=None:
650	## show of hide the text crtl for fitting error
651	if item_page_info[4][0]:
652	item_page[4].Show(True)
653	item_page[4].SetValue(item_page_info[4][1])
654	else:
655	item_page[3].Hide()
656	if item_page[5]!=None:
657	## show of hide the text crtl for fitting error
658	if item_page_info[5][0]:
659	item_page[5].Show(True)
660	item_page[5].SetValue(item_page_info[4][1])
661	else:
662	item_page[5].Hide()
663
664	if item_page[6]!=None:
665	## show of hide the text crtl for fitting error
666	if item_page_info[6][0]:
667	item_page[6].Show(True)
668	item_page[6].SetValue(item_page_info[6][1])
669	else:
670	item_page[6].Hide()
671
672
673	def _copy_parameters_state(self, listtocopy, statelist):
674	"""
675	copy the state of button
676	@param listtocopy: the list of check button to copy
677	@param statelist: list of state object to store the current state
678	"""
679	if len(listtocopy)==0:
680	return
681
682	for item in listtocopy:
683	checkbox_state = None
684	if item[0]!= None:
685	checkbox_state= item[0].GetValue()
686	parameter_name = item[1]
687	parameter_value = None
688	if item[2]!=None:
689	parameter_value = item[2].GetValue()
690	static_text = None
691	if item[3]!=None:
692	static_text = item[3].IsShown()
693	error_value = None
694	error_state = None
695	if item[4]!= None:
696	error_value = item[4].GetValue()
697	error_state = item[4].IsShown()
698
699	min_value = None
700	min_state = None
701	if item[5]!= None:
702	min_value = item[5].GetValue()
703	min_state = item[5].IsShown()
704
705	max_value = None
706	max_state = None
707	if item[6]!= None:
708	max_value = item[6].GetValue()
709	max_state = item[6].IsShown()
710
711	statelist.append([checkbox_state, parameter_name, parameter_value,
712	static_text ,[error_state,error_value],
713	[min_state,min_value],[max_state , max_value],None])
714
715
716
717	def _set_model_sizer_selection(self, model):
718	"""
719	Display the sizer according to the type of the current model
720	"""
721	if hasattr(model ,"model2"):
722
723	class_name= model.model2.__class__
724	name= model.model2.name
725	flag= name != "NoStructure"
726	if flag and (class_name in self.model_list_box["Structure Factors"]):
727	self.structurebox.Enable()
728	items = self.structurebox.GetItems()
729	self.sizer1.Layout()
730	self.SetScrollbars(20,20,200,100)
731	for i in range(len(items)):
732	if items[i]== str(name):
733	self.structurebox.SetSelection(i)
734	break
735
736	if hasattr(model ,"model1"):
737	class_name = model.model1.__class__
738	name = model.model1.name
739	self.formfactorbox.Clear()
740
741	for k, list in self.model_list_box.iteritems():
742	if k in["P(Q)*S(Q)","Shapes" ] and class_name in self.model_list_box["Shapes"]:
743	self.shape_rbutton.SetValue(True)
744	## fill the form factor list with new model
745	self._populate_box(self.formfactorbox,self.model_list_box["Shapes"])
746	items = self.formfactorbox.GetItems()
747	## set comboxbox to the selected item
748	for i in range(len(items)):
749	if items[i]== str(name):
750	self.formfactorbox.SetSelection(i)
751	break
752	return
753	elif k == "Shape-Independent":
754	self.shape_indep_rbutton.SetValue(True)
755	elif k == "Structure Factors":
756	self.struct_rbutton.SetValue(True)
757	else:
758	self.plugin_rbutton.SetValue(True)
759
760	if class_name in list:
761	## fill the form factor list with new model
762	self._populate_box(self.formfactorbox, list)
763	items = self.formfactorbox.GetItems()
764	## set comboxbox to the selected item
765	for i in range(len(items)):
766	if items[i]== str(name):
767	self.formfactorbox.SetSelection(i)
768	break
769	break
770	else:
771	## Select the model from the combobox
772	class_name = model.__class__
773	name = model.name
774	self.formfactorbox.Clear()
775	items = self.formfactorbox.GetItems()
776
777	for k, list in self.model_list_box.iteritems():
778	if k in["P(Q)*S(Q)","Shapes" ] and class_name in self.model_list_box["Shapes"]:
779
780	if class_name in self.model_list_box["P(Q)*S(Q)"]:
781	self.structurebox.Enable()
782	else:
783	self.structurebox.Disable()
784	self.structurebox.SetSelection(0)
785
786	self.shape_rbutton.SetValue(True)
787	## fill the form factor list with new model
788	self._populate_box(self.formfactorbox,self.model_list_box["Shapes"])
789	items = self.formfactorbox.GetItems()
790	## set comboxbox to the selected item
791	for i in range(len(items)):
792	if items[i]== str(name):
793	self.formfactorbox.SetSelection(i)
794	break
795	return
796	elif k == "Shape-Independent":
797	self.shape_indep_rbutton.SetValue(True)
798	elif k == "Structure Factors":
799	self.struct_rbutton.SetValue(True)
800	else:
801	self.plugin_rbutton.SetValue(True)
802	if class_name in list:
803	self.structurebox.SetSelection(0)
804	self.structurebox.Disable()
805	## fill the form factor list with new model
806	self._populate_box(self.formfactorbox, list)
807	items = self.formfactorbox.GetItems()
808	## set comboxbox to the selected item
809	for i in range(len(items)):
810	if items[i]== str(name):
811	self.formfactorbox.SetSelection(i)
812	break
813	break
814
815
816	def _draw_model(self):
817	"""
818	Method to draw or refresh a plotted model.
819	The method will use the data member from the model page
820	to build a call to the fitting perspective manager.
821
822	[Note to coder: This way future changes will be done in only one place.]
823	"""
824	if self.model !=None:
825	temp_smear=None
826	if hasattr(self, "enable_smearer"):
827	if self.enable_smearer.GetValue():
828	temp_smear= self.smearer
829	self.manager.draw_model(self.model, data=self.data,
830	smearer= temp_smear,
831	qmin=float(self.qmin_x), qmax=float(self.qmax_x),
832	qstep= float(self.num_points),
833	enable2D=self.enable2D)
834
835	def _set_model_sizer(self, sizer, title="", object=None):
836	"""
837	Use lists to fill a sizer for model info
838	"""
839
840	sizer.Clear(True)
841	box_description= wx.StaticBox(self, -1,str(title))
842	boxsizer1 = wx.StaticBoxSizer(box_description, wx.VERTICAL)
843	#--------------------------------------------------------
844	self.shape_rbutton = wx.RadioButton(self, -1, 'Shapes', style=wx.RB_GROUP)
845	self.shape_indep_rbutton = wx.RadioButton(self, -1, "Shape-Independent")
846	self.struct_rbutton = wx.RadioButton(self, -1, "Structure Factor ")
847	self.plugin_rbutton = wx.RadioButton(self, -1, "Customized Models")
848
849	self.Bind( wx.EVT_RADIOBUTTON, self._show_combox,
850	id= self.shape_rbutton.GetId() )
851	self.Bind( wx.EVT_RADIOBUTTON, self._show_combox,
852	id= self.shape_indep_rbutton.GetId() )
853	self.Bind( wx.EVT_RADIOBUTTON, self._show_combox,
854	id= self.struct_rbutton.GetId() )
855	self.Bind( wx.EVT_RADIOBUTTON, self._show_combox,
856	id= self.plugin_rbutton.GetId() )
857
858
859	sizer_radiobutton = wx.GridSizer(2, 2,5, 5)
860	sizer_radiobutton.Add(self.shape_rbutton)
861	sizer_radiobutton.Add(self.shape_indep_rbutton)
862	sizer_radiobutton.Add(self.plugin_rbutton)
863	sizer_radiobutton.Add(self.struct_rbutton)
864
865	sizer_selection = wx.BoxSizer(wx.HORIZONTAL)
866
867	self.text1 = wx.StaticText( self,-1,"" )
868	self.text2 = wx.StaticText( self,-1,"P(Q)*S(Q)" )
869
870
871	self.formfactorbox = wx.ComboBox(self, -1,style=wx.CB_READONLY)
872	if self.model!=None:
873	self.formfactorbox.SetValue(self.model.name)
874
875
876	self.structurebox = wx.ComboBox(self, -1,style=wx.CB_READONLY)
877	wx.EVT_COMBOBOX(self.formfactorbox,-1, self._on_select_model)
878	wx.EVT_COMBOBOX(self.structurebox,-1, self._on_select_model)
879
880
881
882	## fill combox box
883	if len(self.model_list_box)>0:
884	self._populate_box( self.formfactorbox,self.model_list_box["Shapes"])
885
886	if len(self.model_list_box)>0:
887	self._populate_box( self.structurebox,
888	self.model_list_box["Structure Factors"])
889	self.structurebox.Insert("None", 0,None)
890	self.structurebox.SetSelection(0)
891	self.structurebox.Disable()
892
893	if self.model.__class__ in self.model_list_box["P(Q)*S(Q)"]:
894	self.structurebox.Enable()
895
896
897	## check model type to show sizer
898	if self.model !=None:
899	self._set_model_sizer_selection( self.model )
900
901	sizer_selection.Add(self.text1)
902	sizer_selection.Add((5,5))
903	sizer_selection.Add(self.formfactorbox)
904	sizer_selection.Add((5,5))
905	sizer_selection.Add(self.text2)
906	sizer_selection.Add((5,5))
907	sizer_selection.Add(self.structurebox)
908	sizer_selection.Add((5,5))
909
910	boxsizer1.Add( sizer_radiobutton )
911	boxsizer1.Add( (20,20))
912	boxsizer1.Add( sizer_selection )
913	if object !=None:
914	boxsizer1.Add( (-72,-72))
915	boxsizer1.Add( object, 0, wx.ALIGN_RIGHT\| wx.RIGHT, 10)
916	boxsizer1.Add( (60,60))
917	#--------------------------------------------------------
918	sizer.Add(boxsizer1,0, wx.EXPAND \| wx.ALL, 10)
919	sizer.Layout()
920	self.SetScrollbars(20,20,200,100)
921
922
923	def _show_combox(self, event):
924	"""
925	Show combox box associate with type of model selected
926	"""
927	## Don't want to populate combo box again if the event comes from check box
928	if self.shape_rbutton.GetValue()and\
929	event.GetEventObject()==self.shape_rbutton:
930	##fill the combobox with form factor list
931	self.structurebox.SetSelection(0)
932	self.structurebox.Disable()
933	self.formfactorbox.Clear()
934	self._populate_box( self.formfactorbox,self.model_list_box["Shapes"])
935
936	if self.shape_indep_rbutton.GetValue()and\
937	event.GetEventObject()==self.shape_indep_rbutton:
938	##fill the combobox with shape independent factor list
939	self.structurebox.SetSelection(0)
940	self.structurebox.Disable()
941	self.formfactorbox.Clear()
942	self._populate_box( self.formfactorbox,
943	self.model_list_box["Shape-Independent"])
944
945	if self.struct_rbutton.GetValue() and\
946	event.GetEventObject()==self.struct_rbutton:
947	##fill the combobox with structure factor list
948	self.structurebox.SetSelection(0)
949	self.structurebox.Disable()
950	self.formfactorbox.Clear()
951	self._populate_box( self.formfactorbox,
952	self.model_list_box["Structure Factors"])
953
954	if self.plugin_rbutton.GetValue()and\
955	event.GetEventObject()==self.plugin_rbutton:
956
957	##fill the combobox with form factor list
958	self.structurebox.Disable()
959	self.formfactorbox.Clear()
960	self._populate_box( self.formfactorbox,
961	self.model_list_box["Customized Models"])
962
963	self._on_select_model(event=None)
964	self.sizer4_4.Layout()
965	self.sizer4.Layout()
966	self.Layout()
967	self.Refresh()
968	self.SetScrollbars(20,20,200,100)
969
970	def _populate_box(self, combobox, list):
971	"""
972	fill combox box with dict item
973	@param list: contains item to fill the combox
974	item must model class
975	"""
976	for models in list:
977	model= models()
978	name = model.__class__.__name__
979	if models.__name__!="NoStructure":
980	if hasattr(model, "name"):
981	name = model.name
982	combobox.Append(name,models)
983	try:
984
985	combobox.SetSelection(0)
986
987	except:
988	pass
989
990	return 0
991
992
993	def _on_select_model_helper(self):
994	"""
995	call back for model selection
996	"""
997	## reset dictionary containing reference to dispersion
998	self._disp_obj_dict = {}
999	self.disp_cb_dict ={}
1000	f_id = self.formfactorbox.GetCurrentSelection()
1001	form_factor = self.formfactorbox.GetClientData( f_id )
1002	if not form_factor in self.model_list_box["multiplication"]:
1003	self.structurebox.Disable()
1004	self.structurebox.SetSelection(0)
1005	else:
1006	self.structurebox.Enable()
1007
1008	s_id = self.structurebox.GetCurrentSelection()
1009	struct_factor = self.structurebox.GetClientData( s_id )
1010
1011	if struct_factor !=None:
1012	from sans.models.MultiplicationModel import MultiplicationModel
1013	self.model= MultiplicationModel(form_factor(),struct_factor())
1014	else:
1015	self.model= form_factor()
1016
1017	## post state to fit panel
1018	self.state.model =self.model
1019	## post state to fit panel
1020	event = PageInfoEvent(page = self)
1021	wx.PostEvent(self.parent, event)
1022
1023	self.sizer4_4.Layout()
1024	self.sizer4.Layout()
1025	self.Layout()
1026	self.SetScrollbars(20,20,200,100)
1027	self.Refresh()
1028
1029
1030
1031	def _onparamEnter(self,event):
1032	"""
1033	when enter value on panel redraw model according to changed
1034	"""
1035	tcrtl= event.GetEventObject()
1036	if check_float(tcrtl):
1037	self._onparamEnter_helper()
1038	else:
1039	msg= "Cannot Plot :Must enter a number!!! "
1040	wx.PostEvent(self.parent.parent, StatusEvent(status = msg ))
1041	return
1042
1043
1044	def _check_value_enter(self, list, modified):
1045	"""
1046	@param list: model parameter and panel info
1047	each item of the list should be as follow:
1048	item=[cb state, name, value, "+/-", error of fit, min, max , units]
1049	"""
1050	is_modified = modified
1051	if len(list)==0:
1052	return is_modified
1053	for item in list:
1054	try:
1055	name = str(item[1])
1056	if hasattr(self,"text2_3"):
1057	self.text2_3.Hide()
1058	## check model parameters range
1059	## check minimun value
1060	param_min= None
1061	param_max= None
1062	if item[5]!= None:
1063	if item[5].GetValue().lstrip().rstrip()!="":
1064	param_min = float(item[5].GetValue())
1065
1066	## check maximum value
1067	if item[6]!= None:
1068	if item[6].GetValue().lstrip().rstrip()!="":
1069	param_max = float(item[6].GetValue())
1070
1071	from sans.guiframe.utils import check_value
1072	if param_min != None and param_max !=None:
1073	if not check_value(item[5], item[6]):
1074	msg= "Wrong Fit range entered for parameter "
1075	msg+= "name %s of model %s "%(name, self.model.name)
1076	wx.PostEvent(self.parent.parent, StatusEvent(status = msg ))
1077	if name in self.model.details.keys():
1078	self.model.details[name][1:]= param_min,param_max
1079
1080	## hide statictext +/-
1081	if item[3]!=None:
1082	item[3].Hide()
1083	## hide textcrtl for error after fit
1084	if item[4]!=None:
1085	item[4].Clear()
1086	item[4].Hide()
1087
1088
1089	value= float(item[2].GetValue())
1090
1091	# If the value of the parameter has changed,
1092	# +update the model and set the is_modified flag
1093	if value != self.model.getParam(name):
1094	self.model.setParam(name,value)
1095	is_modified = True
1096
1097	except:
1098	msg= "Model Drawing Error:wrong value entered : %s"% sys.exc_value
1099	wx.PostEvent(self.parent.parent, StatusEvent(status = msg ))
1100	return
1101
1102	return is_modified
1103
1104
1105	def _set_dipers_Param(self, event):
1106	"""
1107	Add more item to select user dispersity
1108	"""
1109	self._reset_dispersity()
1110
1111	if self.enable_disp.GetValue():
1112	self.model_disp.Show(True)
1113	self.disp_box.Show(True)
1114	## layout for model containing no dispersity parameters
1115	if len(self.disp_list)==0:
1116	self._layout_sizer_noDipers()
1117	else:
1118	## set gaussian sizer
1119	self._on_select_Disp(event=None)
1120	else:
1121	self.model_disp.Hide()
1122	self.disp_box.Hide()
1123	self.sizer4_4.Clear(True)
1124	self._reset_dispersity()
1125
1126
1127	## post state to fit panel
1128	self.save_current_state()
1129
1130
1131
1132
1133	def _layout_sizer_noDipers(self):
1134	"""
1135	Draw a sizer with no dispersity info
1136	"""
1137	ix=0
1138	iy=1
1139	self.fittable_param=[]
1140	self.fixed_param=[]
1141	self.orientation_params_disp=[]
1142
1143	self.model_disp.Hide()
1144	self.disp_box.Hide()
1145	self.sizer4_4.Clear(True)
1146	model_disp = wx.StaticText(self, -1, 'No PolyDispersity for this model')
1147	self.sizer4_4.Add(model_disp,( iy, ix),(1,1), wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
1148	self.sizer4_4.Layout()
1149	self.sizer4.Layout()
1150	self.SetScrollbars(20,20,200,100)
1151
1152
1153	def _reset_dispersity(self):
1154	"""
1155	put gaussian dispersity into current model
1156	"""
1157	if len(self.param_toFit)>0:
1158	for item in self.fittable_param:
1159	if item in self.param_toFit:
1160	self.param_toFit.remove(item)
1161	for item in self.orientation_params_disp:
1162	if item in self.param_toFit:
1163	self.param_toFit.remove(item)
1164
1165	self.fittable_param=[]
1166	self.fixed_param=[]
1167	self.orientation_params_disp=[]
1168
1169	from sans.models.dispersion_models import GaussianDispersion
1170	if len(self.disp_cb_dict)==0:
1171	self.sizer4_4.Clear(True)
1172	self.sizer4_4.Layout()
1173	self.sizer4.Layout()
1174	self.Layout()
1175	self.Refresh()
1176	self.SetScrollbars(20,20,200,100)
1177	return
1178
1179	for p in self.disp_cb_dict:
1180	# The parameter was un-selected. Go back to Gaussian model (with 0 pts)
1181	disp_model = GaussianDispersion()
1182	# Store the object to make it persist outside the scope of this method
1183	#TODO: refactor model to clean this up?
1184	self._disp_obj_dict[p] = disp_model
1185	# Set the new model as the dispersion object for the selected parameter
1186	self.model.set_dispersion(p, disp_model)
1187	# Redraw the model
1188	self._draw_model()
1189
1190	self.sizer4_4.Layout()
1191	self.sizer4.Layout()
1192	self.Layout()
1193	self.SetScrollbars(20,20,200,100)
1194	self.Refresh()
1195
1196
1197
1198	def _on_select_Disp(self,event):
1199	"""
1200	allow selecting different dispersion
1201	self.disp_list should change type later .now only gaussian
1202	"""
1203
1204	n = self.disp_box.GetCurrentSelection()
1205	dispersity= self.disp_box.GetClientData(n)
1206	name= dispersity.__name__
1207	if name == "GaussianDispersion":
1208	self._set_sizer_gaussian()
1209
1210	if name=="ArrayDispersion":
1211	self._set_sizer_arraydispersion()
1212
1213	self.state.disp_box= n
1214	## post state to fit panel
1215	event = PageInfoEvent(page = self)
1216	wx.PostEvent(self.parent, event)
1217
1218	self.sizer4_4.Layout()
1219	self.sizer4.Layout()
1220	self.Layout()
1221	self.SetScrollbars(20,20,200,100)
1222	self.Refresh()
1223
1224
1225
1226
1227	def _set_sizer_arraydispersion(self):
1228	"""
1229	draw sizer with array dispersity parameters
1230	"""
1231	if len(self.param_toFit)>0:
1232	for item in self.fittable_param:
1233	if item in self.param_toFit:
1234	self.param_toFit.remove(item)
1235	for item in self.orientation_params_disp:
1236	if item in self.param_toFit:
1237	self.param_toFit.remove(item)
1238	self.fittable_param=[]
1239	self.fixed_param=[]
1240	self.orientation_params_disp=[]
1241	self.sizer4_4.Clear(True)
1242	ix=0
1243	iy=1
1244	disp1 = wx.StaticText(self, -1, 'Array Dispersion')
1245	self.sizer4_4.Add(disp1,( iy, ix),(1,1), wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
1246
1247	# Look for model parameters to which we can apply an ArrayDispersion model
1248	# Add a check box for each parameter.
1249	self.disp_cb_dict = {}
1250	for p in self.model.dispersion.keys():
1251	ix+=1
1252	self.disp_cb_dict[p] = wx.CheckBox(self, -1, p, (10, 10))
1253
1254	wx.EVT_CHECKBOX(self, self.disp_cb_dict[p].GetId(), self.select_disp_angle)
1255	self.sizer4_4.Add(self.disp_cb_dict[p], (iy, ix), (1,1), wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
1256
1257	ix =0
1258	iy +=1
1259	self.sizer4_4.Add((20,20),(iy,ix),(1,1), wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
1260	self.sizer4_4.Layout()
1261	self.sizer4.Layout()
1262	self.SetScrollbars(20,20,200,100)
1263
1264
1265	def _set_range_sizer(self, title, object1=None,object=None):
1266	"""
1267	Fill the
1268	"""
1269	self.sizer5.Clear(True)
1270	box_description= wx.StaticBox(self, -1,str(title))
1271	boxsizer1 = wx.StaticBoxSizer(box_description, wx.VERTICAL)
1272	#--------------------------------------------------------------
1273	self.qmin = wx.TextCtrl(self, -1,size=(_BOX_WIDTH,20))
1274	#For qmin and qmax, do not use format_number.(If do, qmin and max could be different from what is in the data.)
1275	#self.qmin.SetValue(format_number(self.qmin_x))
1276	self.qmin.SetValue(str(self.qmin_x))
1277	self.qmin.SetToolTipString("Minimun value of Q in linear scale.")
1278	self.qmin.Bind(wx.EVT_SET_FOCUS, self.onSetFocus)
1279	self.qmin.Bind(wx.EVT_KILL_FOCUS, self._onparamEnter)
1280	self.qmin.Bind(wx.EVT_TEXT_ENTER, self._onparamEnter)
1281
1282	self.qmax = wx.TextCtrl(self, -1,size=(_BOX_WIDTH,20))
1283	#For qmin and qmax, do not use format_number.(If do, qmin and max could be different from what is in the data.)
1284	#self.qmax.SetValue(format_number(self.qmax_x))
1285	self.qmax.SetValue(str(self.qmax_x))
1286	self.qmax.SetToolTipString("Maximum value of Q in linear scale.")
1287	self.qmax.Bind(wx.EVT_SET_FOCUS, self.onSetFocus)
1288	self.qmax.Bind(wx.EVT_KILL_FOCUS, self._onparamEnter)
1289	self.qmax.Bind(wx.EVT_TEXT_ENTER, self._onparamEnter)
1290
1291	sizer_horizontal=wx.BoxSizer(wx.HORIZONTAL)
1292	sizer= wx.GridSizer(3, 3,5, 5)
1293
1294	sizer.Add((5,5))
1295	sizer.Add(wx.StaticText(self, -1, 'Min'))
1296	sizer.Add(wx.StaticText(self, -1, 'Max'))
1297	sizer.Add(wx.StaticText(self, -1, 'Q range'))
1298
1299	sizer.Add(self.qmin)
1300	sizer.Add(self.qmax)
1301	sizer_horizontal.Add(sizer)
1302	if object!=None:
1303	sizer_horizontal.Add(object)
1304
1305	if object1!=None:
1306	boxsizer1.Add(object1)
1307	boxsizer1.Add((10,10))
1308	boxsizer1.Add(sizer_horizontal)
1309	## save state
1310	self.save_current_state()
1311	#----------------------------------------------------------------
1312	self.sizer5.Add(boxsizer1,0, wx.EXPAND \| wx.ALL, 10)
1313	self.sizer5.Layout()
1314	self.Layout()
1315	self.SetScrollbars(20,20,200,100)
1316
1317
1318	def _fill_save_sizer(self):
1319	"""
1320	Draw the layout for saving option
1321	"""
1322	self.sizer6.Clear(True)
1323	box_description= wx.StaticBox(self, -1,"Save Status")
1324	boxsizer1 = wx.StaticBoxSizer(box_description, wx.VERTICAL)
1325	sizer_save = wx.BoxSizer(wx.HORIZONTAL)
1326
1327	self.btSave_title = wx.StaticText(self, -1, 'Save the current panel status')
1328	self.btSave = wx.Button(self,wx.NewId(),'Save')
1329	self.btSave.Bind(wx.EVT_BUTTON, self.onSave,id= self.btSave.GetId())
1330	self.btSave.SetToolTipString("Save current panel status")
1331
1332	sizer_save.Add(self.btSave_title)
1333	sizer_save.Add((20,20),0, wx.LEFT\|wx.RIGHT\|wx.EXPAND,45)
1334
1335	sizer_save.Add(self.btSave)
1336
1337	boxsizer1.Add(sizer_save)
1338	self.sizer6.Add(boxsizer1,0, wx.EXPAND \| wx.ALL, 10)
1339	self.sizer6.Layout()
1340	self.SetScrollbars(20,20,200,100)
1341
1342
1343

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SasView

source: sasview/sansview/perspectives/fitting/basepage.py @ 513115c

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