fitpage.py @ 6fdfc8f

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 6fdfc8f was 6fdfc8f, checked in by Jae Cho <jhjcho@…>, 15 years ago
revert the position of unit
Property mode set to `100644`
File size: 49.8 KB

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2
3	import sys
4	import wx
5	import wx.lib.newevent
6	import numpy
7	import copy
8	import math
9	from sans.models.dispersion_models import ArrayDispersion, GaussianDispersion
10
11	from sans.guicomm.events import StatusEvent
12	from sans.guiframe.utils import format_number,check_float
13
14	## event to post model to fit to fitting plugins
15	(ModelEventbox, EVT_MODEL_BOX) = wx.lib.newevent.NewEvent()
16
17	## event to know the selected fit engine
18	(FitterTypeEvent, EVT_FITTER_TYPE) = wx.lib.newevent.NewEvent()
19	_BOX_WIDTH = 76
20
21	import basepage
22	from basepage import BasicPage
23	from basepage import PageInfoEvent
24	from DataLoader.qsmearing import smear_selection
25
26	class FitPage(BasicPage):
27	"""
28	FitPanel class contains fields allowing to display results when
29	fitting a model and one data
30	@note: For Fit to be performed the user should check at least one parameter
31	on fit Panel window.
32
33	"""
34	def __init__(self,parent, page_info):
35	BasicPage.__init__(self, parent, page_info)
36	"""
37	Initialization of the Panel
38	"""
39	## fit page does not content npts txtcrtl
40	self.npts=None
41	## if no dispersity parameters is avaible
42	#self.text_disp_1=None
43	## default fitengine type
44	self.engine_type = None
45	## draw sizer
46	self._fill_datainfo_sizer()
47	self._fill_model_sizer( self.sizer1)
48	self._fill_range_sizer()
49	self._on_select_model(event=None)
50	if self.data !=None:
51	self.smearer = smear_selection( self.data )
52	if self.smearer ==None:
53	self.enable_smearer.Disable()
54	self.disable_smearer.Disable()
55
56	## to update the panel according to the fit engine type selected
57	self.Bind(EVT_FITTER_TYPE,self._on_engine_change)
58
59
60	def _on_engine_change(self, event):
61	"""
62	get an event containing the current name of the fit engine type
63	@param event: FitterTypeEvent containing the name of the current engine
64	"""
65	self.engine_type = event.type
66
67	if len(self.parameters)==0:
68	return
69	for item in self.parameters:
70	if event.type =="scipy":
71	item[5].SetValue("")
72	item[5].Hide()
73	item[6].SetValue("")
74	item[6].Hide()
75	self.text2_min.Hide()
76	self.text2_max.Hide()
77	else:
78	item[5].Show(True)
79	item[6].Show(True)
80	self.text2_min.Show(True)
81	self.text2_max.Show(True)
82	for item in self.orientation_params:
83	if event.type =="scipy":
84	item[5].SetValue("")
85	item[5].Hide()
86	item[6].SetValue("")
87	item[6].Hide()
88	self.text2_min.Hide()
89	self.text2_max.Hide()
90	else:
91	item[5].Show(True)
92	item[6].Show(True)
93	self.text2_min.Show(True)
94	self.text2_max.Show(True)
95
96	for item in self.orientation_params_disp:
97	if event.type =="scipy":
98	item[5].SetValue("")
99	item[5].Hide()
100	item[6].SetValue("")
101	item[6].Hide()
102	self.text2_min.Hide()
103	self.text2_max.Hide()
104	else:
105	item[5].Show(True)
106	item[6].Show(True)
107	self.text2_min.Show(True)
108	self.text2_max.Show(True)
109
110	self.sizer3.Layout()
111	self.SetScrollbars(20,20,200,100)
112
113
114	def _fill_range_sizer(self):
115	"""
116	Fill the sizer containing the plotting range
117	add access to npts
118	"""
119	sizer_fit = wx.GridSizer(1, 1,0, 0)
120
121	self.btFit = wx.Button(self,wx.NewId(),'Fit')
122	self.btFit.Bind(wx.EVT_BUTTON, self._onFit,id= self.btFit.GetId())
123	self.btFit.SetToolTipString("Perform fit.")
124
125
126	sizer_fit.Add((5,5),1, wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 5)
127	sizer_fit.Add(self.btFit,0, wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 5)
128
129	sizer_smearer = wx.BoxSizer(wx.HORIZONTAL)
130	#Filling the sizer containing instruments smearing info.
131	self.disable_smearer = wx.RadioButton(self, -1, 'No', style=wx.RB_GROUP)
132	self.enable_smearer = wx.RadioButton(self, -1, 'Yes')
133	self.Bind(wx.EVT_RADIOBUTTON, self.onSmear, id=self.disable_smearer.GetId())
134	self.Bind(wx.EVT_RADIOBUTTON, self.onSmear, id=self.enable_smearer.GetId())
135
136	sizer_smearer.Add(wx.StaticText(self,-1,'Instrument Smearing? '))
137	sizer_smearer.Add((10, 10))
138	sizer_smearer.Add( self.enable_smearer )
139	sizer_smearer.Add((10,10))
140	sizer_smearer.Add( self.disable_smearer )
141
142	#Display Chi^2/dof
143	sizer_smearer.Add((68,10))
144	box_description= wx.StaticBox(self, -1,'Chi2/dof')
145	boxsizer1 = wx.StaticBoxSizer(box_description, wx.VERTICAL)
146	boxsizer1.SetMinSize((60,-1))
147	self.tcChi = wx.StaticText(self, -1, "-", style=wx.ALIGN_LEFT)
148	boxsizer1.Add( self.tcChi )
149	sizer_smearer.Add( boxsizer1 )
150
151	#Set sizer for Fitting section
152	self._set_range_sizer( title="Fitting",
153	object1=sizer_smearer, object= sizer_fit)
154
155
156	def _fill_datainfo_sizer(self):
157	"""
158	fill sizer 0 with data info
159	"""
160	self.sizer0.Clear(True)
161	## no loaded data , don't fill the sizer
162	if self.data== None:
163	self.sizer0.Layout()
164	return
165
166	box_description= wx.StaticBox(self, -1, 'Data')
167	boxsizer1 = wx.StaticBoxSizer(box_description, wx.VERTICAL)
168	#----------------------------------------------------------
169	sizer_data = wx.GridSizer(3, 3,5, 5)
170	#Filling the sizer containing data related fields
171	DataSource =wx.StaticText(self, -1,str(self.data.name))
172
173	sizer_data.Add(wx.StaticText(self, -1, 'Source Name : '))
174	sizer_data.Add(DataSource )
175	sizer_data.Add( (0,5) )
176
177	#---------sizer 2 draw--------------------------------
178	#set maximum range for x in linear scale
179	if not hasattr(self.data,"data"): #Display only for 1D data fit
180	# Minimum value of data
181	#data_min = str(format_number(numpy.min(self.data.x)))
182	data_min = str((numpy.min(self.data.x)))
183	# Maximum value of data
184	# data_max = str(format_number(numpy.max(self.data.x)))
185	data_max = str((numpy.max(self.data.x)))
186	text4_3 = wx.StaticText(self, -1, 'Total Q Range (1/A)',
187	style=wx.ALIGN_LEFT)
188	sizer_data.Add( text4_3 )
189	sizer_data.Add(wx.StaticText(self, -1, "Min : %s"%data_min))
190
191	sizer_data.Add(wx.StaticText(self, -1, "Max : %s"%data_max))
192
193	else:
194	radius_min= 0
195	x= numpy.max(self.data.xmin, self.data.xmax)
196	y= numpy.max(self.data.ymin, self.data.ymax)
197	radius_max = math.sqrt(xx + yy)
198
199	#For qmin and qmax, do not use format_number
200	#.(If do, qmin and max could be different from what is in the data.)
201	# Minimum value of data
202	data_min = str((radius_min))
203	# Maximum value of data
204	data_max = str((radius_max))
205	text4_3 = wx.StaticText(self, -1, "Total Q Range (1/A)",
206	style=wx.ALIGN_LEFT)
207	sizer_data.Add( text4_3 )
208	sizer_data.Add(wx.StaticText(self, -1, "Min : %s"%data_min))
209	sizer_data.Add(wx.StaticText(self, -1, "Max : %s"%data_max))
210
211	boxsizer1.Add(sizer_data)
212	#------------------------------------------------------------
213	self.sizer0.Add(boxsizer1,0, wx.EXPAND \| wx.ALL, 10)
214	self.sizer0.Layout()
215
216	self.qmin_x= data_min
217	self.qmax_x= data_max
218
219
220	def _fill_model_sizer(self, sizer):
221	"""
222	fill sizer containing model info
223	"""
224
225	## class base method to add view 2d button
226	self._set_model_sizer(sizer=sizer, title="Model",object=None )
227
228
229	def _set_sizer_gaussian(self):
230	"""
231	draw sizer with gaussian dispersity parameters
232	"""
233	self.fittable_param=[]
234	self.fixed_param=[]
235	self.orientation_params_disp=[]
236
237	self.sizer4_4.Clear(True)
238
239	if self.model==None:
240	##no model is selected
241	return
242	if not self.enable_disp.GetValue():
243	## the user didn't select dispersity display
244	return
245
246	self._reset_dispersity()
247	# Create the dispersion objects
248	for item in self.model.dispersion.keys():
249	disp_model = GaussianDispersion()
250	self._disp_obj_dict[item] = disp_model
251	self.model.set_dispersion(item, disp_model)
252	self.state._disp_obj_dict[item]= disp_model
253
254	ix=0
255	iy=1
256	disp = wx.StaticText(self, -1, 'Names')
257	self.sizer4_4.Add(disp,( iy, ix),(1,1),
258	wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
259	ix += 1
260	values = wx.StaticText(self, -1, 'Values')
261	self.sizer4_4.Add(values,( iy, ix),(1,1), wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
262	ix +=2
263	self.text_disp_1 = wx.StaticText(self, -1, 'Errors')
264	self.sizer4_4.Add( self.text_disp_1,(iy, ix),(1,1),\
265	wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
266	self.text_disp_1.Hide()
267	ix += 1
268	npts = wx.StaticText(self, -1, 'Npts')
269	self.sizer4_4.Add(npts,( iy, ix),(1,1), wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
270	ix += 1
271	nsigmas = wx.StaticText(self, -1, 'Nsigmas')
272	self.sizer4_4.Add(nsigmas,( iy, ix),(1,1), wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
273
274	for item in self.model.dispersion.keys():
275	if not item in self.model.orientation_params:
276	self.disp_cb_dict[item]= None
277	name1=item+".width"
278	name2=item+".npts"
279	name3=item+".nsigmas"
280	iy += 1
281	for p in self.model.dispersion[item].keys():
282
283	if p=="width":
284	ix = 0
285	cb = wx.CheckBox(self, -1, name1, (10, 10))
286	wx.EVT_CHECKBOX(self, cb.GetId(), self.select_param)
287	self.sizer4_4.Add( cb,( iy, ix),(1,1),
288	wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
289	ix = 1
290	value= self.model.getParam(name1)
291	ctl1 = wx.TextCtrl(self, -1, size=(_BOX_WIDTH,20),
292	style=wx.TE_PROCESS_ENTER)
293	ctl1.SetValue(str (format_number(value)))
294	ctl1.Bind(wx.EVT_SET_FOCUS, self.onSetFocus)
295	ctl1.Bind(wx.EVT_KILL_FOCUS, self._onparamEnter)
296	ctl1.Bind(wx.EVT_TEXT_ENTER,self._onparamEnter)
297	self.sizer4_4.Add(ctl1, (iy,ix),(1,1),wx.EXPAND)
298	## text to show error sign
299	ix = 2
300	text2=wx.StaticText(self, -1, '+/-')
301	self.sizer4_4.Add(text2,(iy, ix),(1,1),
302	wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
303	text2.Hide()
304	## txtcrtl to add error from fit
305	ix = 3
306	ctl2 = wx.TextCtrl(self, -1, size=(_BOX_WIDTH,20), style=wx.TE_PROCESS_ENTER)
307	self.sizer4_4.Add(ctl2, (iy,ix),(1,1), wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
308	ctl2.Hide()
309	self.fittable_param.append([cb,name1,ctl1,text2,
310	ctl2, None, None,None])
311	elif p=="npts":
312	ix = 4
313	value= self.model.getParam(name2)
314	Tctl = wx.TextCtrl(self, -1, size=(_BOX_WIDTH/2,20),
315	style=wx.TE_PROCESS_ENTER)
316
317	Tctl.SetValue(str (format_number(value)))
318	Tctl.Bind(wx.EVT_SET_FOCUS, self.onSetFocus)
319	Tctl.Bind(wx.EVT_KILL_FOCUS, self._onparamEnter)
320	Tctl.Bind(wx.EVT_TEXT_ENTER,self._onparamEnter)
321	self.sizer4_4.Add(Tctl, (iy,ix),(1,1),
322	wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
323	self.fixed_param.append([None,name2, Tctl,None,None,
324	None, None,None])
325	elif p=="nsigmas":
326	ix = 5
327	value= self.model.getParam(name3)
328	Tctl = wx.TextCtrl(self, -1, size=(_BOX_WIDTH/2,20),
329	style=wx.TE_PROCESS_ENTER)
330	Tctl.SetValue(str (format_number(value)))
331	Tctl.Bind(wx.EVT_SET_FOCUS, self.onSetFocus)
332	Tctl.Bind(wx.EVT_KILL_FOCUS, self._onparamEnter)
333	Tctl.Bind(wx.EVT_TEXT_ENTER,self._onparamEnter)
334	self.sizer4_4.Add(Tctl, (iy,ix),(1,1),
335	wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
336	ix +=1
337	self.sizer4_4.Add((20,20), (iy,ix),(1,1),
338	wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
339
340	self.fixed_param.append([None,name3, Tctl
341	,None,None, None, None,None])
342	ix =0
343	iy +=1
344	self.sizer4_4.Add((20,20),(iy,ix),(1,1), wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
345	for item in self.model.dispersion.keys():
346	if item in self.model.orientation_params:
347	self.disp_cb_dict[item]= None
348	name1=item+".width"
349	name2=item+".npts"
350	name3=item+".nsigmas"
351	iy += 1
352	for p in self.model.dispersion[item].keys():
353
354	if p=="width":
355	ix = 0
356	cb = wx.CheckBox(self, -1, name1, (10, 10))
357	wx.EVT_CHECKBOX(self, cb.GetId(), self.select_param)
358	self.sizer4_4.Add( cb,( iy, ix),(1,1),
359	wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
360	if self.data.__class__.__name__ =="Data2D":
361	cb.Enable()
362	else:
363	cb.Disable()
364	ix = 1
365	value= self.model.getParam(name1)
366	ctl1 = wx.TextCtrl(self, -1, size=(_BOX_WIDTH,20),
367	style=wx.TE_PROCESS_ENTER)
368	ctl1.SetValue(str (format_number(value)))
369	if self.data.__class__.__name__ =="Data2D":
370	ctl1.Enable()
371	else:
372	ctl1.Disable()
373	ctl1.Bind(wx.EVT_SET_FOCUS, self.onSetFocus)
374	ctl1.Bind(wx.EVT_KILL_FOCUS, self._onparamEnter)
375	ctl1.Bind(wx.EVT_TEXT_ENTER,self._onparamEnter)
376	self.sizer4_4.Add(ctl1, (iy,ix),(1,1),wx.EXPAND)
377	## text to show error sign
378	ix = 2
379	text2=wx.StaticText(self, -1, '+/-')
380	self.sizer4_4.Add(text2,(iy, ix),(1,1),
381	wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
382	text2.Hide()
383	## txtcrtl to add error from fit
384	ix = 3
385	ctl2 = wx.TextCtrl(self, -1, size=(_BOX_WIDTH,20), style=wx.TE_PROCESS_ENTER)
386	self.sizer4_4.Add(ctl2, (iy,ix),(1,1), wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
387	ctl2.Hide()
388	if self.data.__class__.__name__ =="Data2D":
389	ctl2.Enable()
390	else:
391	ctl2.Disable()
392	self.fittable_param.append([cb,name1,ctl1,text2,
393	ctl2, None, None,None])
394	self.orientation_params_disp.append([cb,name1,ctl1,text2,
395	ctl2, None, None,None])
396	elif p=="npts":
397	ix = 4
398	value= self.model.getParam(name2)
399	Tctl = wx.TextCtrl(self, -1, size=(_BOX_WIDTH/2,20),
400	style=wx.TE_PROCESS_ENTER)
401
402	Tctl.SetValue(str (format_number(value)))
403	if self.data.__class__.__name__ =="Data2D":
404	Tctl.Enable()
405	else:
406	Tctl.Disable()
407	Tctl.Bind(wx.EVT_SET_FOCUS, self.onSetFocus)
408	Tctl.Bind(wx.EVT_KILL_FOCUS, self._onparamEnter)
409	Tctl.Bind(wx.EVT_TEXT_ENTER,self._onparamEnter)
410	self.sizer4_4.Add(Tctl, (iy,ix),(1,1),
411	wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
412	self.fixed_param.append([None,name2, Tctl,None,None,
413	None, None,None])
414	self.orientation_params_disp.append([None,name2, Tctl,None,None,
415	None, None,None])
416	elif p=="nsigmas":
417	ix = 5
418	value= self.model.getParam(name3)
419	Tctl = wx.TextCtrl(self, -1, size=(_BOX_WIDTH/2,20),
420	style=wx.TE_PROCESS_ENTER)
421	Tctl.SetValue(str (format_number(value)))
422	if self.data.__class__.__name__ =="Data2D":
423	Tctl.Enable()
424	else:
425	Tctl.Disable()
426	Tctl.Bind(wx.EVT_SET_FOCUS, self.onSetFocus)
427	Tctl.Bind(wx.EVT_KILL_FOCUS, self._onparamEnter)
428	Tctl.Bind(wx.EVT_TEXT_ENTER,self._onparamEnter)
429	self.sizer4_4.Add(Tctl, (iy,ix),(1,1),
430	wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
431	ix +=1
432	self.sizer4_4.Add((20,20), (iy,ix),(1,1),
433	wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
434	self.fixed_param.append([None,name3, Tctl
435	,None,None, None, None,None])
436	self.orientation_params_disp.append([None,name3, Tctl
437	,None,None, None, None,None])
438
439	self.state.disp_cb_dict = copy.deepcopy(self.disp_cb_dict)
440	wx.PostEvent(self.parent, StatusEvent(status=\
441	" Selected Distribution: Gaussian"))
442	ix =0
443	iy +=1
444	self.sizer4_4.Add((20,20),(iy,ix),(1,1), wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
445	self.sizer4_4.Layout()
446	self.sizer4.Layout()
447	self.SetScrollbars(20,20,200,100)
448
449
450	def _onFit(self, event):
451	"""
452	Allow to fit
453	"""
454	#self.btFit.SetLabel("Stop")
455	from sans.guiframe.utils import check_value
456	flag = check_value( self.qmin, self.qmax)
457
458	if not flag:
459	msg= "Fitting range invalid"
460	wx.PostEvent(self.parent.parent, StatusEvent(status= msg ))
461	return
462
463	if len(self.param_toFit) <= 0:
464	msg= "Select at least one parameter to fit"
465	wx.PostEvent(self.parent.parent, StatusEvent(status= msg ))
466	return
467
468	# Remove or do not allow fitting on the Q=0 point, especially when y(q=0)=None at x[0].
469	#ToDo: Fix this.
470	#if float(self.qmin.GetValue())==0.0 and self.data.x[0]==0 and not numpy.isfinite(self.data.y[0]):
471	# self.qmin_x = min(self.data.x[self.data.x!=0])
472	#else:
473	self.qmin_x = float(self.qmin.GetValue())
474
475	self.qmax_x =float( self.qmax.GetValue())
476	self.manager._reset_schedule_problem( value=0)
477	self.manager.schedule_for_fit( value=1,page=self,fitproblem =None)
478	self.manager.set_fit_range(page= self,qmin= self.qmin_x, qmax= self.qmax_x)
479	#single fit
480	self.manager.onFit()
481	self.btFit.SetFocus()
482	self.sizer5.Layout()
483	self.SetScrollbars(20,20,55,40)
484
485
486	def _on_select_model(self, event):
487	"""
488	call back for model selection
489	"""
490	self._on_select_model_helper()
491	self.set_model_param_sizer(self.model)
492	try:
493	temp_smear= None
494	if self.enable_smearer.GetValue():
495	temp_smear= self.smearer
496	self.compute_chisqr(temp_smear)
497	except:
498	## error occured on chisqr computation
499	pass
500	self.enable_disp.SetValue(False)
501	self.disable_disp.SetValue(True)
502	self.set_dispers_sizer()
503
504	evt = ModelEventbox(model=self.model)
505	wx.PostEvent(self.event_owner, evt)
506
507
508	def _onparamRangeEnter(self, event):
509	"""
510	Check validity of value enter in the parameters range field
511	"""
512	tcrtl= event.GetEventObject()
513	if tcrtl.GetValue().lstrip().rstrip()!="":
514	try:
515	value = float(tcrtl.GetValue())
516	tcrtl.SetBackgroundColour(wx.WHITE)
517	tcrtl.Refresh()
518	except:
519	tcrtl.SetBackgroundColour("pink")
520	tcrtl.Refresh()
521	else:
522	tcrtl.SetBackgroundColour(wx.WHITE)
523	tcrtl.Refresh()
524	self._onparamEnter_helper()
525
526	def _onparamEnter(self,event):
527	"""
528	when enter value on panel redraw model according to changed
529	"""
530	tcrtl= event.GetEventObject()
531	if check_float(tcrtl):
532	self._onparamEnter_helper()
533	self.compute_chisqr()
534	else:
535	msg= "Cannot Plot :Must enter a number!!! "
536	wx.PostEvent(self.parent.parent, StatusEvent(status = msg ))
537	return
538
539
540	def set_data(self, data ):
541	"""
542	reset the current data
543	"""
544	if data ==None:
545	return
546	self.data =data
547	self.state.data= data
548	self._fill_datainfo_sizer()
549	self.SetScrollbars(20,20,200,100)
550	self.Layout()
551
552	def reset_page(self, state):
553	"""
554	reset the state
555	"""
556	self.reset_page_helper(state)
557	evt = ModelEventbox(model=self.model)
558	wx.PostEvent(self.event_owner, evt)
559
560
561	def get_range(self):
562	"""
563	return the fitting range
564	"""
565	return float(self.qmin_x) , float(self.qmax_x)
566
567	def get_param_list(self):
568	"""
569	@return self.param_toFit: list containing references to TextCtrl
570	checked.Theses TextCtrl will allow reference to parameters to fit.
571	@raise: if return an empty list of parameter fit will nnote work
572	properly so raise ValueError,"missing parameter to fit"
573	"""
574	if self.param_toFit !=[]:
575	return self.param_toFit
576	else:
577	raise ValueError,"missing parameter to fit"
578
579	def onsetValues(self,chisqr, out,cov):
580	"""
581	Build the panel from the fit result
582	@param chisqr:Value of the goodness of fit metric
583	@param out:list of parameter with the best value found during fitting
584	@param cov:Covariance matrix
585
586	"""
587	self.tcChi.SetLabel(format_number(chisqr))
588	params = {}
589	is_modified = False
590	has_error = False
591	self.text2_3.Hide()
592	n = self.disp_box.GetCurrentSelection()
593	dispersity= self.disp_box.GetClientData(n)
594	name= dispersity.__name__
595	if name == "GaussianDispersion":
596	if hasattr(self,"text_disp_1" ):
597	if self.text_disp_1 !=None:
598	self.text_disp_1.Hide()
599	#set the panel when fit result are float not list
600	if out.__class__==numpy.float64:
601	self.param_toFit[0][2].SetValue(format_number(out))
602	self.param_toFit[0][2].Refresh()
603
604	self.param_toFit[0][4].Clear()
605	self.param_toFit[0][4].Hide()
606	if cov !=None :
607	self.text2_3.Show(True)
608	name= dispersity.__name__
609	if name == "GaussianDispersion":
610	if hasattr(self,"text_disp_1" ):
611	if self.text_disp_1 !=None:
612	self.text_disp_1.Show(True)
613	if cov[0]==None:
614	self.param_toFit[0][3].Hide()
615	self.param_toFit[0][4].Clear()
616	self.param_toFit[0][4].Hide()
617	self.param_toFit[0][4].Refresh()
618	else:
619	self.param_toFit[0][3].Show(True)
620	self.param_toFit[0][4].Clear()
621	self.param_toFit[0][4].SetValue(format_number(cov[0]))
622	self.param_toFit[0][4].Show(True)
623	self.param_toFit[0][4].Refresh()
624	else:
625	i=0
626	j=0
627	#Set the panel when fit result are list
628	for item in self.param_toFit:
629	## reset error value to initial state
630	item[4].Clear()
631	item[4].Hide()
632	item[4].Refresh()
633	if( out != None ) and len(out)<=len(self.param_toFit)and i < len(out):
634	item[2].SetValue(format_number(self.model.getParam(item[1])))
635	item[2].Refresh()
636	if(cov !=None)and len(cov)<=len(self.param_toFit)and i < len(cov):
637	self.text2_3.Show(True)
638	name= dispersity.__name__
639	if name == "GaussianDispersion":
640	if hasattr(self,"text_disp_1" ):
641	if self.text_disp_1!=None:
642	self.text_disp_1.Show(True)
643	item[3].Show(True)
644	item[4].Clear()
645	for j in range(len(out)):
646	if out[j]==self.model.getParam(item[1]):
647	break
648	## unable to compare cov[j]==numpy.nan so switch to None
649	if cov[j]==None:
650	item[3].Hide()
651	item[4].Refresh()
652	item[4].Clear()
653	item[4].Hide()
654	else:
655	item[4].SetValue(format_number(cov[j]))
656	item[4].Refresh()
657	item[4].Show(True)
658	i+=1
659
660	self.sizer3.Layout()
661	self.sizer4.Layout()
662	self.SetScrollbars(20,20,200,100)
663
664
665	def onSmear(self, event):
666	"""
667	Create a smear object that will change the way residuals
668	are compute when fitting
669	"""
670	temp_smearer = None
671	if self.enable_smearer.GetValue():
672	msg=""
673	temp_smearer= self.smearer
674	if hasattr(self.data,"dxl"):
675	msg= ": Resolution smearing parameters"
676	if hasattr(self.data,"dxw"):
677	msg= ": Slit smearing parameters"
678	if self.smearer ==None:
679	wx.PostEvent(self.manager.parent, StatusEvent(status=\
680	"Data contains no smearing information"))
681	else:
682	wx.PostEvent(self.manager.parent, StatusEvent(status=\
683	"Data contains smearing information %s"%msg))
684
685	## set smearing value whether or not the data contain the smearing info
686	self.manager.set_smearer(smearer=temp_smearer, qmin= float(self.qmin_x),
687	qmax= float(self.qmax_x))
688	##Calculate chi2
689	self.compute_chisqr(smearer= temp_smearer)
690	## save the state enable smearing
691	self.save_current_state()
692
693
694
695
696
697	def compute_chisqr2D(self):
698	"""
699	compute chi square given a model and data 2D and set the value
700	to the tcChi txtcrl
701	"""
702	from sans.guiframe.utils import check_value
703	flag = check_value( self.qmin, self.qmax)
704
705	err_image = copy.deepcopy(self.data.err_data)
706	if err_image==[] or err_image==None:
707	err_image= numpy.zeros(len(self.data.x_bins),len(self.data.y_bins))
708
709	err_image[err_image==0]=1
710
711	res=[]
712	if flag== True:
713	try:
714	self.qmin_x = float(self.qmin.GetValue())
715	self.qmax_x = float(self.qmax.GetValue())
716	for i in range(len(self.data.x_bins)):
717	for j in range(len(self.data.y_bins)):
718	#Check the range containing data between self.qmin_x and self.qmax_x
719	value = math.pow(self.data.x_bins[i],2)+ math.pow(self.data.y_bins[j],2)
720	if value >= math.pow(self.qmin_x,2) and value <= math.pow(self.qmax_x,2):
721
722	temp = [self.data.x_bins[i],self.data.y_bins[j]]
723	error= err_image[j][i]
724	chisqrji = (self.data.data[j][i]- self.model.runXY(temp ))/error
725	#Vector containing residuals
726	res.append( math.pow(chisqrji,2) )
727
728	# compute sum of residual
729	sum=0
730	for item in res:
731	if numpy.isfinite(item):
732	sum +=item
733	self.tcChi.SetLabel(format_number(math.fabs(sum/ len(res))))
734	except:
735	wx.PostEvent(self.parent.GrandParent, StatusEvent(status=\
736	"Chisqr cannot be compute: %s"% sys.exc_value))
737	return
738
739
740	def compute_chisqr(self , smearer=None):
741	"""
742	compute chi square given a model and data 1D and set the value
743	to the tcChi txtcrl
744	"""
745	from sans.guiframe.utils import check_value
746	flag = check_value( self.qmin, self.qmax)
747	if flag== True:
748	try:
749	if hasattr(self.data,"data"):
750	self.compute_chisqr2D()
751	return
752	else:
753	self.qmin_x = float(self.qmin.GetValue())
754	self.qmax_x = float(self.qmax.GetValue())
755	# return residuals within self.qmin_x and self.qmax_x
756	x,y = [numpy.asarray(v) for v in (self.data.x,self.data.y)]
757
758	if self.data.dy==None:
759	dy= numpy.zeros(len(y))
760	else:
761	dy= copy.deepcopy(self.data.dy)
762	dy= numpy.asarray(dy)
763	dy[dy==0]=1
764
765	if self.qmin_x==None and self.qmax_x==None:
766	fx =numpy.asarray([self.model.run(v) for v in x])
767	if smearer!=None:
768	fx= smearer(fx)
769	temp=(y - fx)/dy
770	res= temp*temp
771	else:
772	idx = (x>= self.qmin_x) & (x <=self.qmax_x)
773	fx = numpy.asarray([self.model.run(item)for item in x[idx ]])
774	if smearer!=None:
775	fx= smearer(fx)
776	temp=(y[idx] - fx)/dy[idx]
777	res= temp*temp
778	#sum of residuals
779	sum=0
780	for item in res:
781	if numpy.isfinite(item):
782	sum +=item
783	self.tcChi.SetLabel(format_number(math.fabs(sum/ len(res))))
784	except:
785	wx.PostEvent(self.parent.GrandParent, StatusEvent(status=\
786	"Chisqr cannot be compute: %s"% sys.exc_value))
787	return
788
789
790	def select_all_param(self,event):
791	"""
792	set to true or false all checkBox given the main checkbox value cb1
793	"""
794
795	self.param_toFit=[]
796	if self.parameters !=[]:
797	if self.cb1.GetValue():
798	for item in self.parameters:
799	## for data2D select all to fit
800	if self.data.__class__.__name__=="Data2D":
801	item[0].SetValue(True)
802	self.param_toFit.append(item )
803	else:
804	## for 1D all parameters except orientation
805	if not item in self.orientation_params:
806	item[0].SetValue(True)
807	self.param_toFit.append(item )
808	if len(self.fittable_param)>0:
809	for item in self.fittable_param:
810	if self.data.__class__.__name__=="Data2D":
811	item[0].SetValue(True)
812	self.param_toFit.append(item )
813	else:
814	## for 1D all parameters except orientation
815	if not item in self.orientation_params_disp:
816	item[0].SetValue(True)
817	self.param_toFit.append(item )
818	else:
819	for item in self.parameters:
820	item[0].SetValue(False)
821	for item in self.fittable_param:
822	item[0].SetValue(False)
823	self.param_toFit=[]
824
825	self.save_current_state()
826
827
828
829	def select_param(self,event):
830	"""
831	Select TextCtrl checked for fitting purpose and stores them
832	in self.param_toFit=[] list
833	"""
834	self.param_toFit=[]
835	for item in self.parameters:
836	#Select parameters to fit for list of primary parameters
837	if item[0].GetValue():
838	if not (item in self.param_toFit):
839	self.param_toFit.append(item )
840	else:
841	#remove parameters from the fitting list
842	if item in self.param_toFit:
843	self.param_toFit.remove(item)
844	#Select parameters to fit for list of fittable parameters with dispersion
845	for item in self.fittable_param:
846	if item[0].GetValue():
847	if not (item in self.param_toFit):
848	self.param_toFit.append(item)
849	else:
850	#remove parameters from the fitting list
851	if item in self.param_toFit:
852	self.param_toFit.remove(item)
853	#Set the value of checkbox that selected every checkbox or not
854	if len(self.parameters)+len(self.fittable_param) ==len(self.param_toFit):
855	self.cb1.SetValue(True)
856	else:
857	self.cb1.SetValue(False)
858	## save current state of the page
859	self.save_current_state()
860
861
862
863	def set_model_param_sizer(self, model):
864	"""
865	Build the panel from the model content
866	@param model: the model selected in combo box for fitting purpose
867	"""
868	self.sizer3.Clear(True)
869	self.parameters = []
870	self.param_toFit=[]
871	self.fittable_param=[]
872	self.fixed_param=[]
873	self.orientation_params=[]
874	self.orientation_params_disp=[]
875
876	if model ==None:
877	self.sizer3.Layout()
878	self.SetScrollbars(20,20,200,100)
879	return
880	## the panel is drawn using the current value of the fit engine
881	if self.engine_type==None and self.manager !=None:
882	self.engine_type= self.manager._return_engine_type()
883
884	box_description= wx.StaticBox(self, -1,str("Model Parameters"))
885	boxsizer1 = wx.StaticBoxSizer(box_description, wx.VERTICAL)
886	sizer = wx.GridBagSizer(5,5)
887	## save the current model
888	self.model = model
889
890	keys = self.model.getParamList()
891	#list of dispersion paramaters
892	self.disp_list=self.model.getDispParamList()
893
894	keys.sort()
895
896	iy = 1
897	ix = 0
898	self.cb1 = wx.CheckBox(self, -1,"Select all", (10, 10))
899	wx.EVT_CHECKBOX(self, self.cb1.GetId(), self.select_all_param)
900	self.cb1.SetValue(False)
901
902	sizer.Add(self.cb1,(iy, ix),(1,1),\
903	wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 5)
904	ix +=1
905	self.text2_2 = wx.StaticText(self, -1, 'Values')
906	sizer.Add(self.text2_2,(iy, ix),(1,1),\
907	wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
908	ix +=2
909	self.text2_3 = wx.StaticText(self, -1, 'Errors')
910	sizer.Add(self.text2_3,(iy, ix),(1,1),\
911	wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
912	self.text2_3.Hide()
913	ix +=1
914	self.text2_min = wx.StaticText(self, -1, 'Min')
915	sizer.Add(self.text2_min,(iy, ix),(1,1),\
916	wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
917	self.text2_min.Hide()
918	ix +=1
919	self.text2_max = wx.StaticText(self, -1, 'Max')
920	sizer.Add(self.text2_max,(iy, ix),(1,1),\
921	wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
922	self.text2_max.Hide()
923	ix += 1
924	self.text2_4 = wx.StaticText(self, -1, '[Units]')
925	sizer.Add(self.text2_4,(iy, ix),(1,1),\
926	wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
927	self.text2_4.Hide()
928	if self.engine_type=="park":
929	self.text2_max.Show(True)
930	self.text2_min.Show(True)
931
932	for item in keys:
933	if not item in self.disp_list and not item in self.model.orientation_params:
934	iy += 1
935	ix = 0
936	## add parameters name with checkbox for selecting to fit
937	cb = wx.CheckBox(self, -1, item )
938	cb.SetValue(False)
939	wx.EVT_CHECKBOX(self, cb.GetId(), self.select_param)
940	sizer.Add( cb,( iy, ix),(1,1),
941	wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 5)
942
943	## add parameter value
944	ix += 1
945	value= self.model.getParam(item)
946	ctl1 = wx.TextCtrl(self, -1, size=(_BOX_WIDTH,20),
947	style=wx.TE_PROCESS_ENTER)
948
949	ctl1.SetValue(format_number(value))
950	ctl1.Bind(wx.EVT_SET_FOCUS, self.onSetFocus)
951	ctl1.Bind(wx.EVT_KILL_FOCUS, self._onparamEnter)
952	ctl1.Bind(wx.EVT_TEXT_ENTER,self._onparamEnter)
953	sizer.Add(ctl1, (iy,ix),(1,1), wx.EXPAND)
954	## text to show error sign
955	ix += 1
956	text2=wx.StaticText(self, -1, '+/-')
957	sizer.Add(text2,(iy, ix),(1,1),\
958	wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
959	text2.Hide()
960	## txtcrtl to add error from fit
961	ix += 1
962	ctl2 = wx.TextCtrl(self, -1, size=(_BOX_WIDTH,20), style=wx.TE_PROCESS_ENTER)
963	sizer.Add(ctl2, (iy,ix),(1,1), wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
964	ctl2.Hide()
965
966	param_min, param_max= self.model.details[item][1:]
967	ix += 1
968	ctl3 = wx.TextCtrl(self, -1, size=(_BOX_WIDTH/2,20), style=wx.TE_PROCESS_ENTER)
969	if param_min ==None:
970	ctl3.SetValue("")
971	else:
972	ctl3.SetValue(str(param_min))
973	ctl3.Bind(wx.EVT_SET_FOCUS, self.onSetFocus)
974	ctl3.Bind(wx.EVT_KILL_FOCUS, self._onparamRangeEnter)
975	ctl3.Bind(wx.EVT_TEXT_ENTER,self._onparamRangeEnter)
976	sizer.Add(ctl3, (iy,ix),(1,1), wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
977	ctl3.Hide()
978
979	ix += 1
980	ctl4 = wx.TextCtrl(self, -1, size=(_BOX_WIDTH/2,20), style=wx.TE_PROCESS_ENTER)
981	ctl4.Bind(wx.EVT_SET_FOCUS, self.onSetFocus)
982	ctl4.Bind(wx.EVT_KILL_FOCUS, self._onparamRangeEnter)
983	ctl4.Bind(wx.EVT_TEXT_ENTER,self._onparamRangeEnter)
984	sizer.Add(ctl4, (iy,ix),(1,1), wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
985	if param_max==None:
986	ctl4.SetValue("")
987	else:
988	ctl4.SetValue(str(param_max))
989	ctl4.Hide()
990
991	if self.engine_type=="park":
992	ctl3.Show(True)
993	ctl4.Show(True)
994	ix +=1
995	# Units
996	try:
997	units = wx.StaticText(self, -1, self.model.details[item][0], style=wx.ALIGN_LEFT)
998	except:
999	units = wx.StaticText(self, -1, "", style=wx.ALIGN_LEFT)
1000	sizer.Add(units, (iy,ix),(1,1), wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
1001
1002	##[cb state, name, value, "+/-", error of fit, min, max , units]
1003	self.parameters.append([cb,item, ctl1,
1004	text2,ctl2, ctl3, ctl4,None])
1005
1006	iy+=1
1007	sizer.Add((10,10),(iy,ix),(1,1), wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
1008	for item in self.model.orientation_params:
1009	if not item in self.disp_list :
1010	iy += 1
1011	ix = 0
1012	## add parameters name with checkbox for selecting to fit
1013	cb = wx.CheckBox(self, -1, item )
1014	cb.SetValue(False)
1015	wx.EVT_CHECKBOX(self, cb.GetId(), self.select_param)
1016	if self.data.__class__.__name__ =="Data2D":
1017	cb.Enable()
1018	else:
1019	cb.Disable()
1020	sizer.Add( cb,( iy, ix),(1,1),
1021	wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 5)
1022
1023	## add parameter value
1024	ix += 1
1025	value= self.model.getParam(item)
1026	ctl1 = wx.TextCtrl(self, -1, size=(_BOX_WIDTH,20),
1027	style=wx.TE_PROCESS_ENTER)
1028
1029	ctl1.SetValue(format_number(value))
1030	if self.data.__class__.__name__ =="Data2D":
1031	ctl1.Enable()
1032	else:
1033	ctl1.Disable()
1034	ctl1.Bind(wx.EVT_SET_FOCUS, self.onSetFocus)
1035	ctl1.Bind(wx.EVT_KILL_FOCUS, self._onparamEnter)
1036	ctl1.Bind(wx.EVT_TEXT_ENTER,self._onparamEnter)
1037	sizer.Add(ctl1, (iy,ix),(1,1), wx.EXPAND)
1038	## text to show error sign
1039	ix += 1
1040	text2=wx.StaticText(self, -1, '+/-')
1041	sizer.Add(text2,(iy, ix),(1,1),\
1042	wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
1043	text2.Hide()
1044	## txtcrtl to add error from fit
1045	ix += 1
1046	ctl2 = wx.TextCtrl(self, -1, size=(_BOX_WIDTH,20), style=wx.TE_PROCESS_ENTER)
1047	sizer.Add(ctl2, (iy,ix),(1,1), wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
1048	ctl2.Hide()
1049	if self.data.__class__.__name__ =="Data2D":
1050	ctl1.Enable()
1051	else:
1052	ctl1.Disable()
1053	param_min, param_max= self.model.details[item][1:]
1054	ix += 1
1055	ctl3 = wx.TextCtrl(self, -1, size=(_BOX_WIDTH/2,20), style=wx.TE_PROCESS_ENTER)
1056	if param_min ==None:
1057	ctl3.SetValue("")
1058	else:
1059	ctl3.SetValue(str(param_min))
1060	ctl3.Bind(wx.EVT_SET_FOCUS, self.onSetFocus)
1061	ctl3.Bind(wx.EVT_KILL_FOCUS, self._onparamRangeEnter)
1062	ctl3.Bind(wx.EVT_TEXT_ENTER,self._onparamRangeEnter)
1063	sizer.Add(ctl3, (iy,ix),(1,1), wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
1064	ctl3.Hide()
1065	if self.data.__class__.__name__ =="Data2D":
1066	ctl3.Enable()
1067	else:
1068	ctl3.Disable()
1069	ix += 1
1070	ctl4 = wx.TextCtrl(self, -1, size=(_BOX_WIDTH/2,20), style=wx.TE_PROCESS_ENTER)
1071	ctl4.Bind(wx.EVT_SET_FOCUS, self.onSetFocus)
1072	ctl4.Bind(wx.EVT_KILL_FOCUS, self._onparamRangeEnter)
1073	ctl4.Bind(wx.EVT_TEXT_ENTER,self._onparamRangeEnter)
1074	sizer.Add(ctl4, (iy,ix),(1,1), wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
1075	if param_max ==None:
1076	ctl4.SetValue("")
1077	else:
1078	ctl4.SetValue(str(param_max))
1079	ctl4.Hide()
1080	if self.data.__class__.__name__ =="Data2D":
1081	ctl4.Enable()
1082	else:
1083	ctl4.Disable()
1084	if self.engine_type=="park":
1085	ctl3.Show(True)
1086	ctl4.Show(True)
1087	ix +=1
1088	# Units
1089	try:
1090	units = wx.StaticText(self, -1, self.model.details[item][0], style=wx.ALIGN_LEFT)
1091	except:
1092	units = wx.StaticText(self, -1, "", style=wx.ALIGN_LEFT)
1093	if self.data.__class__.__name__ =="Data2D":
1094	units.Enable()
1095	else:
1096	units.Disable()
1097	sizer.Add(units, (iy,ix),(1,1), wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
1098
1099
1100	##[cb state, name, value, "+/-", error of fit, min, max , units]
1101	self.parameters.append([cb,item, ctl1,
1102	text2,ctl2, ctl3, ctl4,None])
1103	self.orientation_params.append([cb,item, ctl1,
1104	text2,ctl2, ctl3, ctl4,None])
1105
1106	iy+=1
1107	sizer.Add((10,10),(iy,ix),(1,1), wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
1108
1109	#Display units text on panel
1110	for item in keys:
1111	if self.model.details[item][0]!='':
1112	self.text2_4.Show()
1113	break
1114	else:
1115	self.text2_4.Hide()
1116
1117	boxsizer1.Add(sizer)
1118
1119	self.sizer3.Add(boxsizer1,0, wx.EXPAND \| wx.ALL, 10)
1120	self.sizer3.Layout()
1121	self.SetScrollbars(20,20,200,100)
1122
1123
1124
1125
1126	class HelpWindow(wx.Frame):
1127	def __init__(self, parent, id, title):
1128	wx.Frame.__init__(self, parent, id, title, size=(570, 400))
1129
1130	from sans.models.CylinderModel import CylinderModel
1131	model = CylinderModel()
1132
1133	from danse.common.plottools.plottables import Data1D
1134	data= Data1D(x=[1,2], y=[3,4], dy=[0.1, 0,1])
1135
1136	from fitpanel import PageInfo
1137	myinfo = PageInfo(self, model, data=data )
1138
1139	## add data
1140
1141	from models import ModelList
1142	mylist= ModelList()
1143
1144	from sans.models.SphereModel import SphereModel
1145	from sans.models.SquareWellStructure import SquareWellStructure
1146	from sans.models.DebyeModel import DebyeModel
1147	from sans.models.LineModel import LineModel
1148	name= "shapes"
1149	list1= [SphereModel]
1150	mylist.set_list( name, list1)
1151
1152	name= "Shape-independent"
1153	list1= [DebyeModel]
1154	mylist.set_list( name, list1)
1155
1156	name= "Structure Factors"
1157	list1= [SquareWellStructure]
1158	mylist.set_list( name, list1)
1159
1160	name= "Added models"
1161	list1= [LineModel]
1162	mylist.set_list( name, list1)
1163
1164	myinfo.model_list_box = mylist.get_list()
1165
1166	self.page = FitPage(self, myinfo)
1167
1168
1169
1170	self.Centre()
1171	self.Show(True)
1172
1173
1174
1175	if __name__=="__main__":
1176	app = wx.App()
1177	HelpWindow(None, -1, 'HelpWindow')
1178	app.MainLoop()
1179

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SasView

source: sasview/sansview/perspectives/fitting/fitpage.py @ 6fdfc8f

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