fitting.py @ d682c92

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 d682c92 was d682c92, checked in by Jae Cho <jhjcho@…>, 13 years ago
minor bug fixed together
Property mode set to `100644`
File size: 71.5 KB

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2
3	################################################################################
4	#This software was developed by the University of Tennessee as part of the
5	#Distributed Data Analysis of Neutron Scattering Experiments (DANSE)
6	#project funded by the US National Science Foundation.
7	#
8	#See the license text in license.txt
9	#
10	#copyright 2009, University of Tennessee
11	################################################################################
12
13
14	import re
15	import sys
16	import wx
17	import logging
18	import numpy
19	import string
20	import time
21	from copy import deepcopy
22	import models
23	import fitpage
24
25
26	from sans.dataloader.loader import Loader
27	from sans.guiframe.dataFitting import Data2D
28	from sans.guiframe.dataFitting import Data1D
29	from sans.guiframe.dataFitting import check_data_validity
30	from sans.guiframe.events import NewPlotEvent
31	from sans.guiframe.events import StatusEvent
32	from sans.guiframe.events import EVT_SLICER_PANEL
33	from sans.guiframe.events import EVT_SLICER_PARS_UPDATE
34	from sans.guiframe.gui_style import GUIFRAME_ID
35	from sans.guiframe.plugin_base import PluginBase
36	from sans.fit.Fitting import Fit
37	from .console import ConsoleUpdate
38	from .fitproblem import FitProblemDictionary
39	from .fitpanel import FitPanel
40	from .fit_thread import FitThread
41	from .pagestate import Reader
42	from .fitpage import Chi2UpdateEvent
43
44	MAX_NBR_DATA = 4
45	SANS_F_TOL = 5e-05
46
47	(PageInfoEvent, EVT_PAGE_INFO) = wx.lib.newevent.NewEvent()
48
49	if sys.platform.count("darwin")==0:
50	ON_MAC = False
51	else:
52	ON_MAC = True
53
54	class Plugin(PluginBase):
55	"""
56	Fitting plugin is used to perform fit
57	"""
58	def __init__(self, standalone=False):
59	PluginBase.__init__(self, name="Fitting", standalone=standalone)
60
61	#list of panel to send to guiframe
62	self.mypanels = []
63	# reference to the current running thread
64	self.calc_2D = None
65	self.calc_1D = None
66
67	self.color_dict = {}
68
69	self.fit_thread_list = {}
70	self.residuals = None
71	self.weight = None
72	self.fit_panel = None
73	# Start with a good default
74	self.elapsed = 0.022
75	# the type of optimizer selected, park or scipy
76	self.fitter = None
77	self.fit_panel = None
78	#let fit ready
79	self.fitproblem_count = None
80	#Flag to let the plug-in know that it is running stand alone
81	self.standalone = True
82	## dictionary of page closed and id
83	self.closed_page_dict = {}
84	## Fit engine
85	self._fit_engine = 'scipy'
86	## Relative error desired in the sum of squares (float); scipy only
87	self.ftol = SANS_F_TOL
88	#List of selected data
89	self.selected_data_list = []
90	## list of slicer panel created to display slicer parameters and results
91	self.slicer_panels = []
92	# model 2D view
93	self.model2D_id = None
94	#keep reference of the simultaneous fit page
95	self.sim_page = None
96	self.index_model = 0
97	self.test_model_color = None
98	#Create a reader for fit page's state
99	self.state_reader = None
100	self._extensions = '.fitv'
101	self.scipy_id = wx.NewId()
102	self.park_id = wx.NewId()
103
104	self.temp_state = []
105	self.state_index = 0
106	self.sfile_ext = None
107	# take care of saving data, model and page associated with each other
108	self.page_finder = {}
109	# Log startup
110	logging.info("Fitting plug-in started")
111
112	def create_fit_problem(self, page_id):
113	"""
114	Given an ID create a fitproblem container
115	"""
116	self.page_finder[page_id] = FitProblemDictionary()
117
118	def delete_fit_problem(self, page_id):
119	"""
120	Given an ID create a fitproblem container
121	"""
122	if page_id in self.page_finder.iterkeys():
123	del self.page_finder[page_id]
124
125	def add_color(self, color, id):
126	"""
127	adds a color as a key with a plot id as its value to a dictionary
128	"""
129	self.color_dict[id] = color
130
131	def on_batch_selection(self, flag):
132	"""
133	switch the the notebook of batch mode or not
134	"""
135	self.batch_on = flag
136	if self.fit_panel is not None:
137	self.fit_panel.batch_on = self.batch_on
138
139	def populate_menu(self, owner):
140	"""
141	Create a menu for the Fitting plug-in
142
143	:param id: id to create a menu
144	:param owner: owner of menu
145
146	:return: list of information to populate the main menu
147
148	"""
149	#Menu for fitting
150	self.menu1 = wx.Menu()
151	id1 = wx.NewId()
152	simul_help = "Add new fit panel"
153	self.menu1.Append(id1, '&New Fit Page',simul_help)
154	wx.EVT_MENU(owner, id1, self.on_add_new_page)
155	self.menu1.AppendSeparator()
156	id1 = wx.NewId()
157	simul_help = "Simultaneous Fit"
158	self.menu1.Append(id1, '&Simultaneous Fit',simul_help)
159	wx.EVT_MENU(owner, id1, self.on_add_sim_page)
160	self.menu1.AppendSeparator()
161	#Set park engine
162
163	scipy_help= "Scipy Engine: Perform Simple fit. More in Help window...."
164	self.menu1.AppendCheckItem(self.scipy_id, "Simple FitEngine [LeastSq]",
165	scipy_help)
166	wx.EVT_MENU(owner, self.scipy_id, self._onset_engine_scipy)
167
168	park_help = "Park Engine: Perform Complex fit. More in Help window...."
169	self.menu1.AppendCheckItem(self.park_id, "Complex FitEngine [ParkMC]",
170	park_help)
171	wx.EVT_MENU(owner, self.park_id, self._onset_engine_park)
172
173	self.menu1.FindItemById(self.scipy_id).Check(True)
174	self.menu1.FindItemById(self.park_id).Check(False)
175	self.menu1.AppendSeparator()
176	self.id_tol = wx.NewId()
177	ftol_help = "Change the current FTolerance (=%s) " % str(self.ftol)
178	ftol_help += "of Simple FitEngine..."
179	self.menu1.Append(self.id_tol, "Change FTolerance [LeastSq Only]",
180	ftol_help)
181	wx.EVT_MENU(owner, self.id_tol, self.show_ftol_dialog)
182
183
184	#create menubar items
185	return [(self.menu1, self.sub_menu)]
186
187	def on_add_sim_page(self, event):
188	"""
189	Create a page to access simultaneous fit option
190	"""
191	if self.sim_page != None:
192	self.sim_page.Show(True)
193	self.sim_page.Refresh()
194	self.sim_page.SetFocus()
195	self.parent._mgr.Update()
196	msg= "Simultaneous Fit page already opened"
197	wx.PostEvent(self.parent, StatusEvent(status= msg))
198	return
199
200	self.sim_page= self.fit_panel.add_sim_page()
201
202	def help(self, evt):
203	"""
204	Show a general help dialog.
205	"""
206	from help_panel import HelpWindow
207	frame = HelpWindow(None, -1, 'HelpWindow')
208	frame.Show(True)
209
210	def get_context_menu(self, plotpanel=None):
211	"""
212	Get the context menu items available for P(r).them allow fitting option
213	for Data2D and Data1D only.
214
215	:param graph: the Graph object to which we attach the context menu
216
217	:return: a list of menu items with call-back function
218
219	:note: if Data1D was generated from Theory1D
220	the fitting option is not allowed
221
222	"""
223	graph = plotpanel.graph
224	fit_option = "Select data for fitting"
225	fit_hint = "Dialog with fitting parameters "
226
227	if graph.selected_plottable not in plotpanel.plots:
228	return []
229	item = plotpanel.plots[graph.selected_plottable]
230	if item.__class__.__name__ is "Data2D":
231	if hasattr(item,"is_data"):
232	if item.is_data:
233	return [[fit_option, fit_hint, self._onSelect]]
234	else:
235	return []
236	return [[fit_option, fit_hint, self._onSelect]]
237	else:
238
239	# if is_data is true , this in an actual data loaded
240	#else it is a data created from a theory model
241	if hasattr(item,"is_data"):
242	if item.is_data:
243	return [[fit_option, fit_hint,
244	self._onSelect]]
245	else:
246	return []
247	return []
248
249
250	def get_panels(self, parent):
251	"""
252	Create and return a list of panel objects
253	"""
254	self.parent = parent
255	#self.parent.Bind(EVT_FITSTATE_UPDATE, self.on_set_state_helper)
256	# Creation of the fit panel
257	self.fit_panel = FitPanel(parent=self.parent, manager=self)
258	self.on_add_new_page(event=None)
259	#Set the manager for the main panel
260	self.fit_panel.set_manager(self)
261	# List of windows used for the perspective
262	self.perspective = []
263	self.perspective.append(self.fit_panel.window_name)
264
265	#index number to create random model name
266	self.index_model = 0
267	self.index_theory= 0
268	self.parent.Bind(EVT_SLICER_PANEL, self._on_slicer_event)
269	self.parent.Bind(EVT_SLICER_PARS_UPDATE, self._onEVT_SLICER_PANEL)
270	self.parent._mgr.Bind(wx.aui.EVT_AUI_PANE_CLOSE,self._onclearslicer)
271	#Create reader when fitting panel are created
272	self.state_reader = Reader(self.set_state)
273	#append that reader to list of available reader
274	loader = Loader()
275	loader.associate_file_reader(".fitv", self.state_reader)
276	#loader.associate_file_reader(".svs", self.state_reader)
277	#from sans.perspectives.calculator.sld_panel import SldPanel
278	#Send the fitting panel to guiframe
279	self.mypanels.append(self.fit_panel)
280	#self.mypanels.append(SldPanel(parent=self.parent, base=self.parent))
281	return self.mypanels
282
283	def clear_panel(self):
284	"""
285	"""
286	self.fit_panel.clear_panel()
287
288	def set_default_perspective(self):
289	"""
290	Call back method that True to notify the parent that the current plug-in
291	can be set as default perspective.
292	when returning False, the plug-in is not candidate for an automatic
293	default perspective setting
294	"""
295	return True
296
297	def delete_data(self, data):
298	"""
299	delete the given data from panel
300	"""
301	self.fit_panel.delete_data(data)
302
303	def set_data(self, data_list=None):
304	"""
305	receive a list of data to fit
306	"""
307	if data_list is None:
308	data_list = []
309	selected_data_list = []
310	if self.batch_on:
311	page = self.add_fit_page(data=data_list)
312	else:
313	if len(data_list) > MAX_NBR_DATA:
314	from fitting_widgets import DataDialog
315	dlg = DataDialog(data_list=data_list, nb_data=MAX_NBR_DATA)
316	if dlg.ShowModal() == wx.ID_OK:
317	selected_data_list = dlg.get_data()
318	dlg.Destroy()
319
320	else:
321	selected_data_list = data_list
322	try:
323	group_id = wx.NewId()
324	for data in selected_data_list:
325	if data is not None:
326	data.group_id = group_id
327	if group_id not in data.list_group_id:
328	data.list_group_id.append(group_id)
329	page = self.add_fit_page(data=[data])
330	except:
331	msg = "Fitting Set_data: " + str(sys.exc_value)
332	wx.PostEvent(self.parent, StatusEvent(status=msg, info="error"))
333
334	def set_top_panel(self):
335	"""
336	Close default (welcome) panel
337	"""
338	if 'default' in self.parent.panels:
339	self.parent.on_close_welcome_panel()
340
341
342	def set_theory(self, theory_list=None):
343	"""
344	"""
345	#set the model state for a given theory_state:
346	for item in theory_list:
347	try:
348	_, theory_state = item
349	self.fit_panel.set_model_state(theory_state)
350	except:
351	msg = "Fitting: cannot deal with the theory received"
352	logging.error("set_theory " + msg + "\n" + str(sys.exc_value))
353	wx.PostEvent(self.parent, StatusEvent(status=msg, info="error"))
354
355	def set_state(self, state=None, datainfo=None, format=None):
356	"""
357	Call-back method for the fit page state reader.
358	This method is called when a .fitv/.svs file is loaded.
359
360	: param state: PageState object
361	: param datainfo: data
362	"""
363	#state = self.state_reader.get_state()
364	if state != None:
365	state = state.clone()
366	# store fitting state in temp_state
367	self.temp_state.append(state)
368	else:
369	self.temp_state = []
370	# index to start with for a new set_state
371	self.state_index = 0
372	# state file format
373	self.sfile_ext = format
374
375	self.on_set_state_helper(event=None)
376
377	def on_set_state_helper(self,event=None):
378	"""
379	Set_state_helper. This actually sets state
380	after plotting data from state file.
381
382	: event: FitStateUpdateEvent called
383	by dataloader.plot_data from guiframe
384	"""
385	if len(self.temp_state) == 0:
386	if self.state_index==0 and len(self.mypanels) <= 0 \
387	and self.sfile_ext =='.svs':
388	self.fit_panel.add_default_pages()
389	self.temp_state = []
390	self.state_index = 0
391	return
392
393	try:
394	# Load fitting state
395	state = self.temp_state[self.state_index]
396	#panel state should have model selection to set_state
397	if state.formfactorcombobox != None:
398	#set state
399	data = self.parent.create_gui_data(state.data)
400	data.group_id = state.data.group_id
401	self.parent.add_data(data_list={data.id:data})
402	wx.PostEvent(self.parent, NewPlotEvent(plot=data,
403	title=data.title))
404	#need to be fix later make sure we are sendind guiframe.data
405	#to panel
406	state.data = data
407	page = self.fit_panel.set_state(state)
408	else:
409	#just set data because set_state won't work
410	data = self.parent.create_gui_data(state.data)
411	data.group_id = state.data.group_id
412	self.parent.add_data(data_list={data.id:data})
413	wx.PostEvent(self.parent, NewPlotEvent(plot=data,
414	title=data.title))
415	page = self.add_fit_page([data])
416	caption = page.window_caption
417	self.store_data(uid=page.uid, data_list=page.get_data_list(),
418	caption=caption)
419	self.mypanels.append(page)
420
421	# get ready for the next set_state
422	self.state_index += 1
423
424	#reset state variables to default when all set_state is finished.
425	if len(self.temp_state) == self.state_index:
426
427	self.temp_state = []
428	#self.state_index = 0
429	# Make sure the user sees the fitting panel after loading
430	#self.parent.set_perspective(self.perspective)
431	self.on_perspective(event=None)
432	except:
433	self.state_index==0
434	self.temp_state = []
435	raise
436
437	def set_param2fit(self, uid, param2fit):
438	"""
439	Set the list of param names to fit for fitprobelm
440	"""
441	self.page_finder[uid].set_param2fit(param2fit)
442
443	def set_graph_id(self, uid, graph_id):
444	"""
445	Set graph_id for fitprobelm
446	"""
447	self.page_finder[uid].set_graph_id(graph_id)
448
449	def get_graph_id(self, uid):
450	"""
451	Set graph_id for fitprobelm
452	"""
453	return self.page_finder[uid].get_graph_id()
454
455	def save_fit_state(self, filepath, fitstate):
456	"""
457	save fit page state into file
458	"""
459	self.state_reader.write(filename=filepath, fitstate=fitstate)
460
461	def set_fit_weight(self, uid, flag, is2d=False, fid=None):
462	"""
463	Set the fit weights of a given page for all
464	its data by default. If fid is provide then set the range
465	only for the data with fid as id
466	:param uid: id corresponding to a fit page
467	:param fid: id corresponding to a fit problem (data, model)
468	:param weight: current dy data
469	"""
470	if uid in self.page_finder.keys():
471	self.page_finder[uid].set_weight(flag=flag, is2d=is2d)
472
473	def set_fit_range(self, uid, qmin, qmax, fid=None):
474	"""
475	Set the fitting range of a given page for all
476	its data by default. If fid is provide then set the range
477	only for the data with fid as id
478	:param uid: id corresponding to a fit page
479	:param fid: id corresponding to a fit problem (data, model)
480	:param qmin: minimum value of the fit range
481	:param qmax: maximum value of the fit range
482	"""
483	if uid in self.page_finder.keys():
484	self.page_finder[uid].set_range(qmin=qmin, qmax=qmax)
485
486	def schedule_for_fit(self, value=0, uid=None):
487	"""
488	Set the fit problem field to 0 or 1 to schedule that problem to fit.
489	Schedule the specified fitproblem or get the fit problem related to
490	the current page and set value.
491	:param value: integer 0 or 1
492	:param uid: the id related to a page contaning fitting information
493	"""
494	if uid in self.page_finder.keys():
495	self.page_finder[uid].schedule_tofit(value)
496
497	def get_page_finder(self):
498	"""
499	return self.page_finder used also by simfitpage.py
500	"""
501	return self.page_finder
502
503	def set_page_finder(self,modelname,names,values):
504	"""
505	Used by simfitpage.py to reset a parameter given the string constrainst.
506
507	:param modelname: the name ot the model for with the parameter
508	has to reset
509	:param value: can be a string in this case.
510	:param names: the paramter name
511
512	:note: expecting park used for fit.
513
514	"""
515	sim_page_id = self.sim_page.uid
516	for uid, value in self.page_finder.iteritems():
517	if uid != sim_page_id:
518	list = value.get_model()
519	model = list[0]
520	if model.name == modelname:
521	value.set_model_param(names, values)
522	break
523
524	def split_string(self,item):
525	"""
526	receive a word containing dot and split it. used to split parameterset
527	name into model name and parameter name example: ::
528
529	paramaterset (item) = M1.A
530	Will return model_name = M1 , parameter name = A
531
532	"""
533	if string.find(item,".")!=-1:
534	param_names= re.split("\.",item)
535	model_name=param_names[0]
536	##Assume max len is 3; eg., M0.radius.width
537	if len(param_names) == 3:
538	param_name=param_names[1]+"."+param_names[2]
539	else:
540	param_name=param_names[1]
541	return model_name,param_name
542
543	def set_ftol(self, ftol=None):
544	"""
545	Set ftol: Relative error desired in the sum of chi squares.
546	"""
547	# check if it is flaot
548	try:
549	f_tol = float(ftol)
550	except:
551	# default
552	f_tol = SANS_F_TOL
553
554	self.ftol = f_tol
555	# update ftol menu help strings
556	ftol_help = "Change the current FTolerance (=%s) " % str(self.ftol)
557	ftol_help += "of Simple FitEngine..."
558	self.menu1.SetHelpString(self.id_tol, ftol_help)
559
560	def show_ftol_dialog(self, event=None):
561	"""
562	Dialog to select ftol for Scipy
563	"""
564	#if event != None:
565	# event.Skip()
566	from ftol_dialog import ChangeFtol
567	panel = ChangeFtol(self.parent, self)
568	panel.ShowModal()
569
570	def stop_fit(self, uid):
571	"""
572	Stop the fit engine
573	"""
574	if uid in self.fit_thread_list.keys():
575	calc_fit = self.fit_thread_list[uid]
576	if calc_fit is not None and calc_fit.isrunning():
577	calc_fit.stop()
578	msg = "Fit stop!"
579	wx.PostEvent(self.parent, StatusEvent(status=msg, type="stop"))
580	del self.fit_thread_list[uid]
581	#set the fit button label of page when fit stop is trigger from
582	#simultaneous fit pane
583	if self.sim_page is not None and uid == self.sim_page.uid:
584	for uid, value in self.page_finder.iteritems():
585	if value.get_scheduled() == 1:
586	if uid in self.fit_panel.opened_pages.keys():
587	panel = self.fit_panel.opened_pages[uid]
588	panel. _on_fit_complete()
589
590	def set_smearer(self, uid, smearer, fid, qmin=None, qmax=None, draw=True,
591	enable_smearer=False):
592	"""
593	Get a smear object and store it to a fit problem of fid as id. If proper
594	flag is enable , will plot the theory with smearing information.
595
596	:param smearer: smear object to allow smearing data of id fid
597	:param enable_smearer: Define whether or not all (data, model) contained
598	in the structure of id uid will be smeared before fitting.
599	:param qmin: the maximum value of the theory plotting range
600	:param qmax: the maximum value of the theory plotting range
601	:param draw: Determine if the theory needs to be plot
602	"""
603	if uid not in self.page_finder.keys():
604	return
605	self.page_finder[uid].enable_smearing(flag=enable_smearer)
606	self.page_finder[uid].set_smearer(smearer, fid=fid)
607	if draw:
608	## draw model 1D with smeared data
609	data = self.page_finder[uid].get_fit_data(fid=fid)
610	if data is None:
611	msg = "set_mearer requires at least data.\n"
612	msg += "Got data = %s .\n" % str(data)
613	raise ValueError, msg
614	model = self.page_finder[uid].get_model(fid=fid)
615	if model is None:
616	return
617	enable1D = issubclass(data.__class__, Data1D)
618	enable2D = issubclass(data.__class__, Data2D)
619	## if user has already selected a model to plot
620	## redraw the model with data smeared
621	smear = self.page_finder[uid].get_smearer(fid=fid)
622	self.draw_model(model=model, data=data, page_id=uid, smearer=smear,
623	enable1D=enable1D, enable2D=enable2D,
624	qmin=qmin, qmax=qmax, weight=None)
625	self._mac_sleep(0.2)
626
627	def _mac_sleep(self, sec=0.2):
628	"""
629	Give sleep to MAC
630	"""
631	if ON_MAC:
632	time.sleep(sec)
633
634	def draw_model(self, model, page_id, data=None, smearer=None,
635	enable1D=True, enable2D=False,
636	state=None,
637	toggle_mode_on=False,
638	qmin=None, qmax=None,
639	update_chisqr=True, weight=None):
640	"""
641	Draw model.
642
643	:param model: the model to draw
644	:param name: the name of the model to draw
645	:param data: the data on which the model is based to be drawn
646	:param description: model's description
647	:param enable1D: if true enable drawing model 1D
648	:param enable2D: if true enable drawing model 2D
649	:param qmin: Range's minimum value to draw model
650	:param qmax: Range's maximum value to draw model
651	:param qstep: number of step to divide the x and y-axis
652	:param update_chisqr: update chisqr [bool]
653
654	"""
655	#self.weight = weight
656	if issubclass(data.__class__, Data1D) or not enable2D:
657	## draw model 1D with no loaded data
658	self._draw_model1D(model=model,
659	data=data,
660	page_id=page_id,
661	enable1D=enable1D,
662	smearer=smearer,
663	qmin=qmin,
664	qmax=qmax,
665	weight=weight,
666	toggle_mode_on=toggle_mode_on,
667	state=state,
668	update_chisqr=update_chisqr)
669	else:
670	## draw model 2D with no initial data
671	self._draw_model2D(model=model,
672	page_id=page_id,
673	data=data,
674	enable2D=enable2D,
675	smearer=smearer,
676	qmin=qmin,
677	qmax=qmax,
678	weight=weight,
679	state=state,
680	toggle_mode_on=toggle_mode_on,
681	update_chisqr=update_chisqr)
682
683	def onFit(self, uid):
684	"""
685	Get series of data, model, associates parameters and range and send then
686	to series of fit engines. Fit data and model, display result to
687	corresponding panels.
688	:param uid: id related to the panel currently calling this fit function.
689	"""
690	## count the number of fitproblem schedule to fit
691	fitproblem_count = 0
692	for value in self.page_finder.values():
693	if value.get_scheduled() == 1:
694	fitproblem_count += 1
695	## if simultaneous fit change automatically the engine to park
696	if fitproblem_count > 1:
697	self._on_change_engine(engine='park')
698	self.fitproblem_count = fitproblem_count
699	if self._fit_engine == "park":
700	engineType = "Simultaneous Fit"
701	else:
702	engineType = "Single Fit"
703	fitter_list = []
704	sim_fitter = None
705	if self.sim_page is not None and self.sim_page.uid == uid:
706	#simulatanous fit only one engine need to be created
707	sim_fitter = Fit(self._fit_engine)
708	fitter_list.append(sim_fitter)
709
710	self.current_pg = None
711	list_page_id = []
712	fit_id = 0
713	batch_inputs = {}
714	batch_outputs = {}
715	for page_id, value in self.page_finder.iteritems():
716	# For simulfit (uid give with None), do for-loop
717	# if uid is specified (singlefit), do it only on the page.
718	if engineType == "Single Fit":
719	if page_id != uid:
720	continue
721	try:
722	if value.get_scheduled() == 1:
723	#Get list of parameters name to fit
724	pars = []
725	templist = []
726	page = self.fit_panel.get_page_by_id(page_id)
727	self.set_fit_weight(uid=page.uid,
728	flag=page.get_weight_flag(),
729	is2d = page._is_2D())
730	templist = page.get_param_list()
731	for element in templist:
732	name = str(element[1])
733	pars.append(name)
734	for fitproblem in value.get_fit_problem():
735	if sim_fitter is None:
736	fitter = Fit(self._fit_engine)
737	self._fit_helper(fitproblem=fitproblem,
738	pars=pars,
739	fitter=fitter,
740	fit_id=fit_id,
741	batch_inputs=batch_inputs,
742	batch_outputs=batch_outputs)
743	fitter_list.append(fitter)
744	else:
745	fitter = sim_fitter
746	self._fit_helper(fitproblem=fitproblem,
747	pars=pars,
748	fitter=fitter,
749	fit_id=fit_id,
750	batch_inputs=batch_inputs,
751	batch_outputs=batch_outputs)
752	fit_id += 1
753	list_page_id.append(page_id)
754	current_page_id = page_id
755	value.clear_model_param()
756	except:
757	raise
758	msg= "%s error: %s" % (engineType, sys.exc_value)
759	wx.PostEvent(self.parent, StatusEvent(status=msg, info="error",
760	type="stop"))
761	return
762	## If a thread is already started, stop it
763	#if self.calc_fit!= None and self.calc_fit.isrunning():
764	# self.calc_fit.stop()
765	msg = "Fitting is in progress..."
766	wx.PostEvent( self.parent, StatusEvent(status=msg, type="progress" ))
767
768	#Handler used for park engine displayed message
769	handler = ConsoleUpdate(parent=self.parent,
770	manager=self,
771	improvement_delta=0.1)
772	self._mac_sleep(0.2)
773	## perform single fit
774	if fitproblem_count == 1:
775	calc_fit = FitThread(handler = handler,
776	fn=fitter_list,
777	pars=pars,
778	batch_inputs=batch_inputs,
779	batch_outputs=batch_outputs,
780	page_id=list_page_id,
781	completefn=self._single_fit_completed,
782	ftol=self.ftol)
783	else:
784	current_page_id = self.sim_page.uid
785	## Perform more than 1 fit at the time
786	calc_fit = FitThread(handler=handler,
787	fn=fitter_list,
788	batch_inputs=batch_inputs,
789	batch_outputs=batch_outputs,
790	page_id=list_page_id,
791	updatefn=handler.update_fit,
792	completefn=self._simul_fit_completed,
793	ftol=self.ftol)
794	self.fit_thread_list[current_page_id] = calc_fit
795	calc_fit.queue()
796	msg = "Fitting is in progress..."
797	wx.PostEvent( self.parent, StatusEvent(status=msg, type="progress" ))
798
799	self.ready_fit(calc_fit=calc_fit)
800
801	def ready_fit(self, calc_fit):
802	"""
803	Ready for another fit
804	"""
805	if self.fitproblem_count != None and self.fitproblem_count > 1:
806	calc_fit.ready(2.5)
807	else:
808	time.sleep(0.4)
809
810	def remove_plot(self, uid, fid=None, theory=False):
811	"""
812	remove model plot when a fit page is closed
813	:param uid: the id related to the fitpage to close
814	:param fid: the id of the fitproblem(data, model, range,etc)
815	"""
816	if uid not in self.page_finder.keys():
817	return
818	fitproblemList = self.page_finder[uid].get_fit_problem(fid)
819	for fitproblem in fitproblemList:
820	data = fitproblem.get_fit_data()
821	model = fitproblem.get_model()
822	plot_id = None
823	if model is not None:
824	plot_id = data.id + name
825	if theory:
826	plot_id = data.id
827	group_id = data.group_id
828	wx.PostEvent(self.parent, NewPlotEvent(id=plot_id,
829	group_id=group_id,
830	action='remove'))
831
832	def store_data(self, uid, data_list=None, caption=None):
833	"""
834	Recieve a list of data and store them ans well as a caption of
835	the fit page where they come from.
836	:param uid: if related to a fit page
837	:param data_list: list of data to fit
838	:param caption: caption of the window related to these data
839	"""
840	if data_list is None:
841	data_list = []
842
843	self.page_finder[uid].set_fit_data(data=data_list)
844	if caption is not None:
845	self.page_finder[uid].set_fit_tab_caption(caption=caption)
846
847	def on_add_new_page(self, event=None):
848	"""
849	ask fit panel to create a new empty page
850	"""
851	try:
852	page = self.fit_panel.add_empty_page()
853	page_caption = page.window_caption
854	# add data associated to the page created
855	if page != None:
856	wx.PostEvent(self.parent, StatusEvent(status="Page Created",
857	info="info"))
858	else:
859	msg = "Page was already Created"
860	wx.PostEvent(self.parent, StatusEvent(status=msg,
861	info="warning"))
862	self.set_top_panel()
863	except:
864	msg = "Creating Fit page: %s"%sys.exc_value
865	wx.PostEvent(self.parent, StatusEvent(status=msg, info="error"))
866
867	def add_fit_page(self, data):
868	"""
869	given a data, ask to the fitting panel to create a new fitting page,
870	get this page and store it into the page_finder of this plug-in
871	:param data: is a list of data
872	"""
873	page = self.fit_panel.set_data(data)
874	# page could be None when loading state files
875	if page == None:
876	return page
877	page_caption = page.window_caption
878	#append Data1D to the panel containing its theory
879	#if theory already plotted
880	if page.uid in self.page_finder:
881	data = page.get_data()
882	theory_data = self.page_finder[page.uid].get_theory_data(data.id)
883	if issubclass(data.__class__, Data2D):
884	data.group_id = wx.NewId()
885	if theory_data is not None:
886	group_id = str(page.uid) + " Model1D"
887	wx.PostEvent(self.parent,
888	NewPlotEvent(group_id=group_id,
889	action="delete"))
890	self.parent.update_data(prev_data=theory_data,
891	new_data=data)
892	else:
893	if theory_data is not None:
894	group_id = str(page.uid) + " Model2D"
895	data.group_id = theory_data.group_id
896	wx.PostEvent(self.parent,
897	NewPlotEvent(group_id=group_id,
898	action="delete"))
899	self.parent.update_data(prev_data=theory_data,
900	new_data=data)
901	self.store_data(uid=page.uid, data_list=page.get_data_list(),
902	caption=page.window_caption)
903	if self.sim_page is not None and not self.batch_on:
904	self.sim_page.draw_page()
905	return page
906
907	def _onEVT_SLICER_PANEL(self, event):
908	"""
909	receive and event telling to update a panel with a name starting with
910	event.panel_name. this method update slicer panel
911	for a given interactor.
912
913	:param event: contains type of slicer , paramaters for updating
914	the panel and panel_name to find the slicer 's panel concerned.
915	"""
916	for item in self.parent.panels:
917	name = event.panel_name
918	if self.parent.panels[item].window_caption.startswith(name):
919	self.parent.panels[item].set_slicer(event.type, event.params)
920
921	self.parent._mgr.Update()
922
923	def _closed_fitpage(self, event):
924	"""
925	request fitpanel to close a given page when its unique data is removed
926	from the plot. close fitpage only when the a loaded data is removed
927	"""
928	if event is None or event.data is None:
929	return
930	if hasattr(event.data,"is_data"):
931	if not event.data.is_data or \
932	event.data.__class__.__name__ == "Data1D":
933	self.fit_panel.close_page_with_data(event.data)
934
935	def _reset_schedule_problem(self, value=0, uid=None):
936	"""
937	unschedule or schedule all fitproblem to be fit
938	"""
939	# case that uid is not specified
940	if uid == None:
941	for page_id in self.page_finder.keys():
942	self.page_finder[page_id].schedule_tofit(value)
943	# when uid is given
944	else:
945	if uid in self.page_finder.keys():
946	self.page_finder[uid].schedule_tofit(value)
947
948	def _fit_helper(self, fitproblem, pars, fitter, fit_id,
949	batch_inputs, batch_outputs):
950	"""
951	Create and set fit engine with series of data and model
952	:param pars: list of fittable parameters
953	:param fitter_list: list of fit engine
954	:param value: structure storing data mapped to their model, range etc..
955	"""
956	data = fitproblem.get_fit_data()
957	model = fitproblem.get_model()
958	smearer = fitproblem.get_smearer()
959	qmin, qmax = fitproblem.get_range()
960
961	#Extra list of parameters and their constraints
962	listOfConstraint = []
963	param = fitproblem.get_model_param()
964	if len(param) > 0:
965	for item in param:
966	## check if constraint
967	if item[0] != None and item[1] != None:
968	listOfConstraint.append((item[0],item[1]))
969	for param in model.getParamList():
970	if param not in pars:
971	if param not in batch_inputs.keys():
972	batch_inputs[param] = []
973	if param not in model.non_fittable:
974	batch_inputs[param].append(model.getParam(param))
975	new_model = model#deepcopy(model)
976	fitter.set_model(new_model, fit_id, pars, constraints=listOfConstraint)
977	fitter.set_data(data=data, id=fit_id, smearer=smearer, qmin=qmin,
978	qmax=qmax)
979	fitter.select_problem_for_fit(id=fit_id, value=1)
980	#fill batch result information
981	if "Data" not in batch_outputs.keys():
982	batch_outputs["Data"] = []
983	batch_outputs["Data"].append(data.name)
984	for key, value in data.meta_data.iteritems():
985	if key not in batch_inputs.keys():
986	batch_inputs[key] = []
987	batch_inputs[key].append(value)
988	param = "temperature"
989	if hasattr(data.sample, param):
990	if param not in batch_inputs.keys():
991	batch_inputs[param] = []
992	batch_inputs[param].append(data.sample.temperature)
993
994	def _onSelect(self,event):
995	"""
996	when Select data to fit a new page is created .Its reference is
997	added to self.page_finder
998	"""
999	self.panel = event.GetEventObject()
1000	Plugin.on_perspective(self, event=event)
1001	self.select_data(self.panel)
1002
1003	def select_data(self, panel):
1004	"""
1005	"""
1006	self.panel = panel
1007	for plottable in self.panel.graph.plottables:
1008	if plottable.__class__.__name__ in ["Data1D", "Theory1D"]:
1009	data_id = self.panel.graph.selected_plottable
1010	if plottable == self.panel.plots[data_id]:
1011	data = plottable
1012	self.add_fit_page(data=[data])
1013	return
1014	else:
1015	data = plottable
1016	self.add_fit_page(data=[data])
1017	self.set_top_panel()
1018
1019	def update_fit(self, result=None, msg=""):
1020	"""
1021	"""
1022	print "update_fit result", result
1023
1024	def _batch_single_fit_complete_helper(self, result, pars, page_id,
1025	batch_outputs, batch_inputs, elapsed=None):
1026	"""
1027	Display fit result in batch
1028	:param result: list of objects received fromt fit engines
1029	:param pars: list of fitted parameters names
1030	:param page_id: list of page ids which called fit function
1031	:param elapsed: time spent at the fitting level
1032	"""
1033	self._update_fit_button(page_id)
1034	msg = "Single Fitting complete "
1035	wx.PostEvent(self.parent, StatusEvent(status=msg, info="info",
1036	type="stop"))
1037	if batch_outputs is None:
1038	batch_outputs = {}
1039	if self.batch_on:
1040	# format batch_outputs
1041	batch_outputs["Chi2"] = []
1042	for index in range(len(pars)):
1043	batch_outputs[pars[index]] = []
1044	batch_outputs["error on %s" % pars[index]] = []
1045	for res in result:
1046	if res is None:
1047	null_value = numpy.nan
1048	batch_outputs["Chi2"].append(null_value)
1049	for index in range(len(pars)):
1050	batch_outputs[pars[index]].append(null_value)
1051	item = null_value
1052	batch_inputs["error on %s" % pars[index]].append(item)
1053	else:
1054	batch_outputs["Chi2"].append(res.fitness)
1055	for index in range(len(pars)):
1056	batch_outputs[pars[index]].append(res.pvec[index])
1057	item = res.stderr[index]
1058	batch_inputs["error on %s" % pars[index]].append(item)
1059	pid = page_id[0]
1060	self.page_finder[pid].set_result(result=batch_outputs)
1061
1062	"""
1063	draw_model(self, model, page_id, data=None, smearer=None,
1064	enable1D=True, enable2D=False,
1065	state=None,
1066	toggle_mode_on=False,
1067	qmin=None, qmax=None,
1068	update_chisqr=True, weight=None):
1069	"""
1070	for pid in page_id:
1071	cpage = self.fit_panel.get_page_by_id(pid)
1072	cpage._on_fit_complete()
1073	for fid in self.page_finder[pid].keys():
1074	data = self.page_finder[pid].get_fit_data(fid)
1075	model = self.page_finder[pid].get_model(fid)
1076	smearer = self.page_finder[pid].get_smearer(fid)
1077	qmin, qmax = self.page_finder[pid].get_range(fid)
1078	weight = self.page_finder[pid].get_weight(fid)
1079	flag = issubclass(data.__class__, Data2D)
1080	self.draw_model(model=model,
1081	page_id=pid,
1082	data=data,
1083	smearer=smearer,
1084	enable1D=not flag,
1085	enable2D=flag,
1086	state=None,
1087	toggle_mode_on=False,
1088	qmin=qmin, qmax=qmax,
1089	update_chisqr=False,
1090	weight=weight)
1091
1092	self.parent.on_set_batch_result(data_outputs=batch_outputs,
1093	data_inputs=batch_inputs,
1094	plugin_name=self.sub_menu)
1095
1096
1097	def _single_fit_completed(self, result, pars, page_id, batch_outputs,
1098	batch_inputs=None, elapsed=None):
1099	"""
1100	Display fit result on one page of the notebook.
1101	:param result: list of object generated when fit ends
1102	:param pars: list of names of parameters fitted
1103	:param page_id: list of page ids which called fit function
1104	:param elapsed: time spent at the fitting level
1105	"""
1106	self._mac_sleep(0.2)
1107	uid = page_id[0]
1108	if uid in self.fit_thread_list.keys():
1109	del self.fit_thread_list[uid]
1110
1111	cpage = self.fit_panel.get_page_by_id(uid)
1112	if cpage.batch_on:
1113	wx.CallAfter(self._batch_single_fit_complete_helper,
1114	result, pars, page_id, batch_outputs,
1115	batch_inputs, elapsed)
1116	return
1117	else:
1118	try:
1119	result = result[0]
1120	if result == None:
1121	self._update_fit_button(page_id)
1122	msg= "Single Fitting did not converge!!!"
1123	wx.PostEvent(self.parent,
1124	StatusEvent(status=msg,
1125	info="warning",
1126	type="stop"))
1127	return
1128	if not numpy.isfinite(result.fitness) or \
1129	numpy.any(result.pvec == None) or \
1130	not numpy.all(numpy.isfinite(result.pvec)):
1131	msg = "Single Fitting did not converge!!!"
1132	wx.PostEvent(self.parent,
1133	StatusEvent(status=msg,
1134	info="warning",
1135	type="stop"))
1136	self._update_fit_button(page_id)
1137	return
1138
1139	for uid in page_id:
1140	cpage = self.fit_panel.get_page_by_id(uid)
1141	# Make sure we got all results
1142	#(CallAfter is important to MAC)
1143	wx.CallAfter(cpage.onsetValues, result.fitness, pars,
1144	result.pvec, result.stderr)
1145	cpage._on_fit_complete()
1146	if result.stderr == None:
1147	msg = "Fit Abort: "
1148	else:
1149	msg = "Fitting: "
1150	msg += "Completed!!!"
1151	wx.PostEvent(self.parent, StatusEvent(status=msg))
1152	except ValueError:
1153	self._update_fit_button(page_id)
1154	msg = "Single Fitting did not converge!!!"
1155	wx.PostEvent(self.parent, StatusEvent(status=msg, info="error",
1156	type="stop"))
1157	except:
1158	self._update_fit_button(page_id)
1159	msg = "Single Fit completed but Following"
1160	msg += " error occurred:%s" % sys.exc_value
1161	wx.PostEvent(self.parent, StatusEvent(status=msg, info="error",
1162	type="stop"))
1163	raise
1164
1165	def _simul_fit_completed(self, result, page_id, batch_outputs,
1166	batch_inputs=None,
1167	pars=None,
1168	elapsed=None):
1169	"""
1170	Display result of the fit on related panel(s).
1171	:param result: list of object generated when fit ends
1172	:param pars: list of names of parameters fitted
1173	:param page_id: list of page ids which called fit function
1174	:param elapsed: time spent at the fitting level
1175	"""
1176	result = result[0]
1177	self.fit_thread_list = {}
1178	if page_id is None:
1179	page_id = []
1180	## fit more than 1 model at the same time
1181	self._mac_sleep(0.2)
1182	try:
1183	msg = ""
1184	if result == None:
1185	self._update_fit_button(page_id)
1186	msg= "Complex Fitting did not converge!!!"
1187	wx.PostEvent(self.parent, StatusEvent(status=msg,
1188	type="stop"))
1189	return
1190	if not numpy.isfinite(result.fitness) or \
1191	numpy.any(result.pvec == None) or not \
1192	numpy.all(numpy.isfinite(result.pvec)):
1193	self._update_fit_button(page_id)
1194	msg= "Simultaneous Fitting did not converge!!!"
1195	wx.PostEvent(self.parent, StatusEvent(status=msg,type="stop"))
1196	return
1197
1198	for uid in page_id:
1199	fpdict = self.page_finder[uid]
1200	for value in fpdict.itervalues():
1201	model = value.get_model()
1202	data = value.get_fit_data()
1203	small_param_name = []
1204	small_out = []
1205	small_cov = []
1206	#Separate result in to data corresponding to each page
1207	for p in result.parameters:
1208	model_name, param_name = self.split_string(p.name)
1209	if model.name == model_name:
1210	p_name= model.name+"."+param_name
1211	if p.name == p_name:
1212	if p.value != None and numpy.isfinite(p.value):
1213	small_out.append(p.value)
1214	small_param_name.append(param_name)
1215	small_cov.append(p.stderr)
1216	# Display result on each page
1217	cpage = self.fit_panel.get_page_by_id(uid)
1218	wx.CallAfter(cpage.onsetValues,
1219	result.fitness,
1220	small_param_name,
1221	small_out,small_cov)
1222	cpage._on_fit_complete()
1223	msg = "Fit completed!"
1224	wx.PostEvent(self.parent, StatusEvent(status=msg))
1225	except Exception:
1226	raise
1227	self._update_fit_button(page_id)
1228	msg = "Complex Fitting did not converge!!!"
1229	wx.PostEvent(self.parent, StatusEvent(status=msg, info="error",
1230	type="stop"))
1231	return
1232	except:
1233	self._update_fit_button(page_id)
1234	msg = "Simultaneous Fit completed"
1235	msg += " but Following error occurred:%s" % sys.exc_value
1236	wx.PostEvent(self.parent, StatusEvent(status=msg, type="stop"))
1237
1238	def _update_fit_button(self, page_id):
1239	"""
1240	Update Fit button when fit stopped
1241
1242	: parameter page_id: fitpage where the button is
1243	"""
1244	if page_id.__class__.__name__ != 'list':
1245	page_id = [page_id]
1246	for uid in page_id:
1247	page = self.fit_panel.get_page_by_id(uid)
1248	page._on_fit_complete()
1249
1250	def _on_show_panel(self, event):
1251	"""
1252	"""
1253	pass
1254
1255	def _onset_engine_park(self,event):
1256	"""
1257	set engine to park
1258	"""
1259	self._on_change_engine('park')
1260
1261	def _onset_engine_scipy(self,event):
1262	"""
1263	set engine to scipy
1264	"""
1265	self._on_change_engine('scipy')
1266
1267	def _on_slicer_event(self, event):
1268	"""
1269	Receive a panel as event and send it to guiframe
1270
1271	:param event: event containing a panel
1272
1273	"""
1274	if event.panel is not None:
1275	new_panel = event.panel
1276	self.slicer_panels.append(event.panel)
1277	# Set group ID if available
1278	event_id = self.parent.popup_panel(new_panel)
1279	new_panel.uid = event_id
1280	self.mypanels.append(new_panel)
1281
1282	def _onclearslicer(self, event):
1283	"""
1284	Clear the boxslicer when close the panel associate with this slicer
1285	"""
1286	name =event.GetPane().caption
1287
1288	for panel in self.slicer_panels:
1289	if panel.window_caption==name:
1290
1291	for item in self.parent.panels:
1292	if hasattr(self.parent.panels[item], "uid"):
1293	if self.parent.panels[item].uid ==panel.base.uid:
1294	self.parent.panels[item].onClearSlicer(event)
1295	self.parent._mgr.Update()
1296	break
1297	break
1298
1299	def _return_engine_type(self):
1300	"""
1301	return the current type of engine
1302	"""
1303	return self._fit_engine
1304
1305
1306	def _on_change_engine(self, engine='park'):
1307	"""
1308	Allow to select the type of engine to perform fit
1309
1310	:param engine: the key work of the engine
1311
1312	"""
1313	## saving fit engine name
1314	self._fit_engine = engine
1315	## change menu item state
1316	if engine == "park":
1317	self.menu1.FindItemById(self.park_id).Check(True)
1318	self.menu1.FindItemById(self.scipy_id).Check(False)
1319	else:
1320	self.menu1.FindItemById(self.park_id).Check(False)
1321	self.menu1.FindItemById(self.scipy_id).Check(True)
1322	## post a message to status bar
1323	msg = "Engine set to: %s" % self._fit_engine
1324	wx.PostEvent(self.parent,
1325	StatusEvent(status=msg))
1326	## send the current engine type to fitpanel
1327	self.fit_panel._on_engine_change(name=self._fit_engine)
1328
1329
1330	def _on_model_panel(self, evt):
1331	"""
1332	react to model selection on any combo box or model menu.plot the model
1333
1334	:param evt: wx.combobox event
1335
1336	"""
1337	model = evt.model
1338	uid = evt.uid
1339	qmin = evt.qmin
1340	qmax = evt.qmax
1341	smearer = evt.smearer
1342	caption = evt.caption
1343	enable_smearer = evt.enable_smearer
1344	if model == None:
1345	return
1346	if uid not in self.page_finder.keys():
1347	return
1348	# save the name containing the data name with the appropriate model
1349	self.page_finder[uid].set_model(model)
1350	self.page_finder[uid].enable_smearing(enable_smearer)
1351	self.page_finder[uid].set_range(qmin=qmin, qmax=qmax)
1352	self.page_finder[uid].set_fit_tab_caption(caption=caption)
1353	if self.sim_page is not None and not self.batch_on:
1354	self.sim_page.draw_page()
1355
1356	def _update1D(self, x, output):
1357	"""
1358	Update the output of plotting model 1D
1359	"""
1360	msg = "Plot updating ... "
1361	wx.PostEvent(self.parent, StatusEvent(status=msg,type="update"))
1362
1363	def _complete1D(self, x, y, page_id, elapsed, index, model,
1364	weight=None,
1365	toggle_mode_on=False, state=None,
1366	data=None, update_chisqr=True):
1367	"""
1368	Complete plotting 1D data
1369	"""
1370	try:
1371	new_plot = Data1D(x=x, y=y)
1372	new_plot.is_data = False
1373	new_plot.dy = numpy.zeros(len(y))
1374	new_plot.symbol = GUIFRAME_ID.CURVE_SYMBOL_NUM
1375	_yaxis, _yunit = data.get_yaxis()
1376	_xaxis, _xunit = data.get_xaxis()
1377	new_plot.title = data.name
1378
1379	new_plot.group_id = self.page_finder[page_id].get_graph_id()
1380	if new_plot.group_id == None:
1381	new_plot.group_id = data.group_id
1382	new_plot.id = str(page_id) + "model"
1383	#if new_plot.id in self.color_dict:
1384	# new_plot.custom_color = self.color_dict[new_plot.id]
1385	#find if this theory was already plotted and replace that plot given
1386	#the same id
1387	theory_data = self.page_finder[page_id].get_theory_data(fid=data.id)
1388	new_plot.name = model.name + " ["+ str(model.__class__.__name__)+"]"
1389	new_plot.xaxis(_xaxis, _xunit)
1390	new_plot.yaxis(_yaxis, _yunit)
1391	self.page_finder[page_id].set_theory_data(data=new_plot,
1392	fid=data.id)
1393	self.parent.update_theory(data_id=data.id, theory=new_plot,
1394	state=state)
1395	current_pg = self.fit_panel.get_page_by_id(page_id)
1396	title = new_plot.title
1397	wx.PostEvent(self.parent, NewPlotEvent(plot=new_plot,
1398	title=str(title)))
1399	caption = current_pg.window_caption
1400	self.page_finder[page_id].set_fit_tab_caption(caption=caption)
1401	self.page_finder[page_id].set_theory_data(data=new_plot,
1402	fid=data.id)
1403	if toggle_mode_on:
1404	wx.PostEvent(self.parent,
1405	NewPlotEvent(group_id=str(page_id) + " Model2D",
1406	action="Hide"))
1407	else:
1408	if update_chisqr:
1409	wx.PostEvent(current_pg,
1410	Chi2UpdateEvent(output=self._cal_chisqr(
1411	data=data,
1412	weight=weight,
1413	page_id=page_id,
1414	index=index)))
1415	else:
1416	self._plot_residuals(page_id=page_id, data=data,
1417	index=index, weight=weight)
1418
1419	msg = "Computation completed!"
1420	wx.PostEvent( self.parent, StatusEvent(status=msg, type="stop" ))
1421	except:
1422	raise
1423	#msg = " Error occurred when drawing %s Model 1D: " % new_plot.name
1424	#msg += " %s" % sys.exc_value
1425	#wx.PostEvent(self.parent, StatusEvent(status=msg, type="stop"))
1426
1427	def _update2D(self, output,time=None):
1428	"""
1429	Update the output of plotting model
1430	"""
1431	wx.PostEvent(self.parent, StatusEvent(status="Plot \
1432	#updating ... ", type="update"))
1433	#self.ready_fit()
1434
1435	def _complete2D(self, image, data, model, page_id, elapsed, index, qmin,
1436
1437	qmax, weight=None, toggle_mode_on=False, state=None,
1438	update_chisqr=True):
1439	"""
1440	Complete get the result of modelthread and create model 2D
1441	that can be plot.
1442	"""
1443	new_plot= Data2D(image=image, err_image=data.err_data)
1444	new_plot.name = model.name
1445	new_plot.title = "Analytical model 2D "
1446	new_plot.id = str(page_id) + "model"
1447	new_plot.group_id = str(page_id) + " Model2D"
1448	new_plot.detector = data.detector
1449	new_plot.source = data.source
1450	new_plot.is_data = False
1451	new_plot.qx_data = data.qx_data
1452	new_plot.qy_data = data.qy_data
1453	new_plot.q_data = data.q_data
1454	new_plot.mask = data.mask
1455	## plot boundaries
1456	new_plot.ymin = data.ymin
1457	new_plot.ymax = data.ymax
1458	new_plot.xmin = data.xmin
1459	new_plot.xmax = data.xmax
1460	title = data.title
1461	if len(title) > 1:
1462	new_plot.title = "Model2D for " + data.name
1463	new_plot.is_data = False
1464	new_plot.name = model.name + " [" + \
1465	str(model.__class__.__name__) + "-2D]"
1466	theory_data = deepcopy(new_plot)
1467	theory_data.name = "Unknown"
1468
1469	self.page_finder[page_id].set_theory_data(data=theory_data, fid=data.id)
1470	self.parent.update_theory(data_id=data.id,
1471	theory=new_plot,
1472	state=state)
1473	current_pg = self.fit_panel.get_page_by_id(page_id)
1474	title = new_plot.title
1475	wx.PostEvent(self.parent, NewPlotEvent(plot=new_plot,
1476	title=title))
1477	self.page_finder[page_id].set_theory_data(data=new_plot, fid=data.id)
1478	if toggle_mode_on:
1479	wx.PostEvent(self.parent,
1480	NewPlotEvent(group_id=str(page_id) + " Model1D",
1481	action="Hide"))
1482	else:
1483	# Chisqr in fitpage
1484	if update_chisqr:
1485	wx.PostEvent(current_pg,
1486	Chi2UpdateEvent(output=self._cal_chisqr(data=data,
1487	weight=weight,
1488	page_id=page_id,
1489	index=index)))
1490	else:
1491	self._plot_residuals(page_id=page_id, data=data,
1492	index=index, weight=weight)
1493	msg = "Computation completed!"
1494	wx.PostEvent(self.parent, StatusEvent(status=msg, type="stop"))
1495
1496	def _draw_model2D(self, model, page_id, qmin,
1497	qmax,
1498	data=None, smearer=None,
1499	description=None, enable2D=False,
1500	state=None,
1501	weight=None,
1502	toggle_mode_on=False,
1503	update_chisqr=True):
1504	"""
1505	draw model in 2D
1506
1507	:param model: instance of the model to draw
1508	:param description: the description of the model
1509	:param enable2D: when True allows to draw model 2D
1510	:param qmin: the minimum value to draw model 2D
1511	:param qmax: the maximum value to draw model 2D
1512	:param qstep: the number of division of Qx and Qy of the model to draw
1513
1514	"""
1515	if not enable2D:
1516	return None
1517	try:
1518	from model_thread import Calc2D
1519	## If a thread is already started, stop it
1520	if (self.calc_2D is not None) and self.calc_2D.isrunning():
1521	self.calc_2D.stop()
1522	self.calc_2D = Calc2D(model=model,
1523	data=data,
1524	page_id=page_id,
1525	smearer=smearer,
1526	qmin=qmin,
1527	qmax=qmax,
1528	weight=weight,
1529	toggle_mode_on=toggle_mode_on,
1530	state=state,
1531	completefn=self._complete2D,
1532	update_chisqr=update_chisqr)
1533	self.calc_2D.queue()
1534
1535	except:
1536	raise
1537	#msg = " Error occurred when drawing %s Model 2D: " % model.name
1538	#msg += " %s" % sys.exc_value
1539	#wx.PostEvent(self.parent, StatusEvent(status=msg))
1540
1541	def _draw_model1D(self, model, page_id, data,
1542	qmin, qmax, smearer=None,
1543	state=None,
1544	weight=None,
1545	toggle_mode_on=False, update_chisqr=True,
1546	enable1D=True):
1547	"""
1548	Draw model 1D from loaded data1D
1549
1550	:param data: loaded data
1551	:param model: the model to plot
1552
1553	"""
1554	if not enable1D:
1555	return
1556	try:
1557	from model_thread import Calc1D
1558	## If a thread is already started, stop it
1559	if (self.calc_1D is not None) and self.calc_1D.isrunning():
1560	self.calc_1D.stop()
1561	self.calc_1D = Calc1D(data=data,
1562	model=model,
1563	page_id=page_id,
1564	qmin=qmin,
1565	qmax=qmax,
1566	smearer=smearer,
1567	state=state,
1568	weight=weight,
1569	toggle_mode_on=toggle_mode_on,
1570	completefn=self._complete1D,
1571	#updatefn = self._update1D,
1572	update_chisqr=update_chisqr)
1573	self.calc_1D.queue()
1574	except:
1575	msg = " Error occurred when drawing %s Model 1D: " % model.name
1576	msg += " %s" % sys.exc_value
1577	wx.PostEvent(self.parent, StatusEvent(status=msg))
1578
1579
1580
1581	def _cal_chisqr(self, page_id, data, weight, index=None):
1582	"""
1583	Get handy Chisqr using the output from draw1D and 2D,
1584	instead of calling expansive CalcChisqr in guithread
1585	"""
1586	data_copy = deepcopy(data)
1587	# default chisqr
1588	chisqr = None
1589	#to compute chisq make sure data has valid data
1590	# return None if data == None
1591	if not check_data_validity(data_copy) or data_copy == None:
1592	return chisqr
1593
1594	# Get data: data I, theory I, and data dI in order
1595	if data_copy.__class__.__name__ == "Data2D":
1596	if index == None:
1597	index = numpy.ones(len(data_copy.data),ntype=bool)
1598	if weight != None:
1599	data_copy.err_data = weight
1600	# get rid of zero error points
1601	index = index & (data_copy.err_data != 0)
1602	index = index & (numpy.isfinite(data_copy.data))
1603	fn = data_copy.data[index]
1604	theory_data = self.page_finder[page_id].get_theory_data(fid=data_copy.id)
1605	if theory_data== None:
1606	return chisqr
1607	gn = theory_data.data[index]
1608	en = data_copy.err_data[index]
1609	else:
1610	# 1 d theory from model_thread is only in the range of index
1611	if index == None:
1612	index = numpy.ones(len(data_copy.y), ntype=bool)
1613	if weight != None:
1614	data_copy.dy = weight
1615	if data_copy.dy == None or data_copy.dy == []:
1616	dy = numpy.ones(len(data_copy.y))
1617	else:
1618	## Set consitently w/AbstractFitengine:
1619	# But this should be corrected later.
1620	dy = deepcopy(data_copy.dy)
1621	dy[dy==0] = 1
1622	fn = data_copy.y[index]
1623	theory_data = self.page_finder[page_id].get_theory_data(fid=data_copy.id)
1624	if theory_data== None:
1625	return chisqr
1626	gn = theory_data.y
1627	en = dy[index]
1628
1629	# residual
1630	res = (fn - gn) / en
1631	residuals = res[numpy.isfinite(res)]
1632	# get chisqr only w/finite
1633	chisqr = numpy.average(residuals * residuals)
1634	self._plot_residuals(page_id=page_id, data=data_copy,
1635	weight=weight, index=index)
1636
1637	return chisqr
1638
1639	def _plot_residuals(self, page_id, weight, data=None, index=None):
1640	"""
1641	Plot the residuals
1642
1643	:param data: data
1644	:param index: index array (bool)
1645	: Note: this is different from the residuals in cal_chisqr()
1646	"""
1647	data_copy = deepcopy(data)
1648	# Get data: data I, theory I, and data dI in order
1649	if data_copy.__class__.__name__ == "Data2D":
1650	# build residuals
1651	residuals = Data2D()
1652	#residuals.copy_from_datainfo(data)
1653	# Not for trunk the line below, instead use the line above
1654	data_copy.clone_without_data(len(data_copy.data), residuals)
1655	residuals.data = None
1656	fn = data_copy.data#[index]
1657	theory_data = self.page_finder[page_id].get_theory_data(fid=data_copy.id)
1658	gn = theory_data.data#[index]
1659	en = weight#data_copy.err_data#[index]
1660	residuals.data = (fn - gn) / en
1661	residuals.qx_data = data_copy.qx_data#[index]
1662	residuals.qy_data = data_copy.qy_data #[index]
1663	residuals.q_data = data_copy.q_data#[index]
1664	residuals.err_data = numpy.ones(len(residuals.data))#[index]
1665	residuals.xmin = min(residuals.qx_data)
1666	residuals.xmax = max(residuals.qx_data)
1667	residuals.ymin = min(residuals.qy_data)
1668	residuals.ymax = max(residuals.qy_data)
1669	residuals.q_data = data_copy.q_data#[index]
1670	residuals.mask = data_copy.mask
1671	residuals.scale = 'linear'
1672	# check the lengths
1673	if len(residuals.data) != len(residuals.q_data):
1674	return
1675	else:
1676	# 1 d theory from model_thread is only in the range of index
1677	if data_copy.dy == None or data_copy.dy == []:
1678	dy = numpy.ones(len(data_copy.y))
1679	else:
1680	if weight == None:
1681	dy = numpy.ones(len(data_copy.y))
1682	## Set consitently w/AbstractFitengine:
1683	## But this should be corrected later.
1684	else:
1685	dy = weight#deepcopy(data_copy.dy)
1686	dy[dy==0] = 1
1687	fn = data_copy.y[index]
1688	theory_data = self.page_finder[page_id].get_theory_data(fid=data_copy.id)
1689	gn = theory_data.y
1690	en = dy[index]
1691	# build residuals
1692	residuals = Data1D()
1693	residuals.y = (fn - gn) / en
1694	residuals.x = data_copy.x[index]
1695	residuals.dy = numpy.ones(len(residuals.y))
1696	residuals.dx = None
1697	residuals.dxl = None
1698	residuals.dxw = None
1699	residuals.ytransform = 'y'
1700	# For latter scale changes
1701	residuals.xaxis('\\rm{Q} ', 'A^{-1}')
1702	residuals.yaxis('\\rm{Residuals} ', 'normalized')
1703	new_plot = residuals
1704	new_plot.name = "Residuals for " + str(data.name)
1705	## allow to highlight data when plotted
1706	new_plot.interactive = True
1707	## when 2 data have the same id override the 1 st plotted
1708	new_plot.id = "res" + str(data_copy.id)#name + " residuals"
1709	##group_id specify on which panel to plot this data
1710	group_id = self.page_finder[page_id].get_graph_id()
1711	if group_id == None:
1712	group_id = data.group_id
1713	new_plot.group_id ="res" + str(group_id)
1714	#new_plot.is_data = True
1715	##post data to plot
1716	title = new_plot.name
1717	self.page_finder[page_id].set_residuals(residuals=new_plot, fid=data.id)
1718	# plot data
1719	wx.PostEvent(self.parent, NewPlotEvent(plot=new_plot, title=title))
1720	#reset weight
1721	#self.weight = None
1722	#def profile(fn, args, *kw):
1723	# import cProfile, pstats, os
1724	# global call_result
1725	# def call():
1726	# global call_result
1727	# call_result = fn(args, *kw)
1728	# cProfile.runctx('call()', dict(call=call), {}, 'profile.out')
1729	# stats = pstats.Stats('profile.out')
1730	# #stats.sort_stats('time')
1731	# stats.sort_stats('calls')
1732	# stats.print_stats()
1733	# os.unlink('profile.out')
1734	# return call_result
1735	if __name__ == "__main__":
1736	i = Plugin()
1737
1738
1739
1740

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SasView

source: sasview/fittingview/src/sans/perspectives/fitting/fitting.py @ d682c92

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