basepage.py @ 45ed4dad

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 45ed4dad was 45ed4dad, checked in by Jae Cho <jhjcho@…>, 16 years ago
changes "Save" title in fit panel
Property mode set to `100644`
File size: 48.3 KB

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

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SasView

source: sasview/sansview/perspectives/fitting/basepage.py @ 45ed4dad

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