fitting.py @ 78919f45

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 78919f45 was b9dd680, checked in by Jae Cho <jhjcho@…>, 13 years ago
fixed a bug resetting model in all the pages on compiling a custom model
Property mode set to `100644`
File size: 89.0 KB

Line
1	"""
2	Fitting perspective
3	"""
4	################################################################################
5	#This software was developed by the University of Tennessee as part of the
6	#Distributed Data Analysis of Neutron Scattering Experiments (DANSE)
7	#project funded by the US National Science Foundation.
8	#
9	#See the license text in license.txt
10	#
11	#copyright 2009, University of Tennessee
12	################################################################################
13	import re
14	import sys
15	import os
16	import wx
17	import logging
18	import numpy
19	import time
20	from copy import deepcopy
21	import models
22
23	from sans.dataloader.loader import Loader
24	from sans.guiframe.dataFitting import Data2D
25	from sans.guiframe.dataFitting import Data1D
26	from sans.guiframe.dataFitting import check_data_validity
27	from sans.guiframe.events import NewPlotEvent
28	from sans.guiframe.events import StatusEvent
29	from sans.guiframe.events import EVT_SLICER_PANEL
30	from sans.guiframe.events import EVT_SLICER_PARS_UPDATE
31	from sans.guiframe.gui_style import GUIFRAME_ID
32	from sans.guiframe.plugin_base import PluginBase
33	from sans.guiframe.data_processor import BatchCell
34	from sans.fit.Fitting import Fit
35	from .console import ConsoleUpdate
36	from .fitproblem import FitProblemDictionary
37	from .fitpanel import FitPanel
38	from .fit_thread import FitThread
39	from .pagestate import Reader
40	from .fitpage import Chi2UpdateEvent
41	from sans.perspectives.calculator.model_editor import TextDialog
42	from sans.perspectives.calculator.model_editor import EditorWindow
43
44	MAX_NBR_DATA = 4
45	SANS_F_TOL = 5e-05
46
47	(PageInfoEvent, EVT_PAGE_INFO) = wx.lib.newevent.NewEvent()
48
49
50	if sys.platform.count("darwin") == 0:
51	ON_MAC = False
52	else:
53	ON_MAC = True
54
55
56	class Plugin(PluginBase):
57	"""
58	Fitting plugin is used to perform fit
59	"""
60	def __init__(self, standalone=False):
61	PluginBase.__init__(self, name="Fitting", standalone=standalone)
62
63	#list of panel to send to guiframe
64	self.mypanels = []
65	# reference to the current running thread
66	self.calc_2D = None
67	self.calc_1D = None
68
69	self.color_dict = {}
70
71	self.fit_thread_list = {}
72	self.residuals = None
73	self.weight = None
74	self.fit_panel = None
75	# Start with a good default
76	self.elapsed = 0.022
77	# the type of optimizer selected, park or scipy
78	self.fitter = None
79	self.fit_panel = None
80	#let fit ready
81	self.fitproblem_count = None
82	#Flag to let the plug-in know that it is running stand alone
83	self.standalone = True
84	## dictionary of page closed and id
85	self.closed_page_dict = {}
86	## Fit engine
87	self._fit_engine = 'scipy'
88	self._gui_engine = None
89	## Relative error desired in the sum of squares (float); scipy only
90	self.ftol = SANS_F_TOL
91	self.batch_reset_flag = True
92	#List of selected data
93	self.selected_data_list = []
94	## list of slicer panel created to display slicer parameters and results
95	self.slicer_panels = []
96	# model 2D view
97	self.model2D_id = None
98	#keep reference of the simultaneous fit page
99	self.sim_page = None
100	self.sim_menu = None
101	self.batch_page = None
102	self.batch_menu = None
103	self.index_model = 0
104	self.test_model_color = None
105	#Create a reader for fit page's state
106	self.state_reader = None
107	self._extensions = '.fitv'
108	self.scipy_id = wx.NewId()
109	self.park_id = wx.NewId()
110	self.menu1 = None
111	self.new_model_frame = None
112
113	self.temp_state = []
114	self.state_index = 0
115	self.sfile_ext = None
116	# take care of saving data, model and page associated with each other
117	self.page_finder = {}
118	# Log startup
119	logging.info("Fitting plug-in started")
120	self.batch_capable = self.get_batch_capable()
121
122	def get_batch_capable(self):
123	"""
124	Check if the plugin has a batch capability
125	"""
126	return True
127
128	def create_fit_problem(self, page_id):
129	"""
130	Given an ID create a fitproblem container
131	"""
132	self.page_finder[page_id] = FitProblemDictionary()
133
134	def delete_fit_problem(self, page_id):
135	"""
136	Given an ID create a fitproblem container
137	"""
138	if page_id in self.page_finder.iterkeys():
139	del self.page_finder[page_id]
140
141	def add_color(self, color, id):
142	"""
143	adds a color as a key with a plot id as its value to a dictionary
144	"""
145	self.color_dict[id] = color
146
147	def on_batch_selection(self, flag):
148	"""
149	switch the the notebook of batch mode or not
150	"""
151	self.batch_on = flag
152	if self.fit_panel is not None:
153	self.fit_panel.batch_on = self.batch_on
154
155	def populate_menu(self, owner):
156	"""
157	Create a menu for the Fitting plug-in
158
159	:param id: id to create a menu
160	:param owner: owner of menu
161
162	:return: list of information to populate the main menu
163
164	"""
165	#Menu for fitting
166	self.menu1 = wx.Menu()
167	id1 = wx.NewId()
168	simul_help = "Add new fit panel"
169	self.menu1.Append(id1, '&New Fit Page', simul_help)
170	wx.EVT_MENU(owner, id1, self.on_add_new_page)
171	self.menu1.AppendSeparator()
172	self.id_simfit = wx.NewId()
173	simul_help = "Simultaneous Fit"
174	self.menu1.Append(self.id_simfit, '&Simultaneous Fit', simul_help)
175	wx.EVT_MENU(owner, self.id_simfit, self.on_add_sim_page)
176	self.sim_menu = self.menu1.FindItemById(self.id_simfit)
177	self.sim_menu.Enable(False)
178	#combined Batch
179	self.id_batchfit = wx.NewId()
180	batch_help = "Combined Batch"
181	self.menu1.Append(self.id_batchfit, '&Combine Batch Fit', batch_help)
182	wx.EVT_MENU(owner, self.id_batchfit, self.on_add_sim_page)
183	self.batch_menu = self.menu1.FindItemById(self.id_batchfit)
184	self.batch_menu.Enable(False)
185	self.menu1.AppendSeparator()
186	#Set park engine
187	scipy_help = "Scipy Engine: Perform Simple fit. More in Help window...."
188	self.menu1.AppendCheckItem(self.scipy_id, "Simple FitEngine [LeastSq]",
189	scipy_help)
190	wx.EVT_MENU(owner, self.scipy_id, self._onset_engine_scipy)
191
192	park_help = "Park Engine: Perform Complex fit. More in Help window...."
193	self.menu1.AppendCheckItem(self.park_id, "Complex FitEngine [ParkMC]",
194	park_help)
195	wx.EVT_MENU(owner, self.park_id, self._onset_engine_park)
196
197	self.menu1.FindItemById(self.scipy_id).Check(True)
198	self.menu1.FindItemById(self.park_id).Check(False)
199	self.menu1.AppendSeparator()
200	self.id_tol = wx.NewId()
201	ftol_help = "Change the current FTolerance (=%s) " % str(self.ftol)
202	ftol_help += "of Simple FitEngine..."
203	self.menu1.Append(self.id_tol, "Change FTolerance",
204	ftol_help)
205	wx.EVT_MENU(owner, self.id_tol, self.show_ftol_dialog)
206	self.menu1.AppendSeparator()
207
208	self.id_reset_flag = wx.NewId()
209	resetf_help = "BatchFit: If checked, the initial param values will be "
210	resetf_help += "propagated from the previous results. "
211	resetf_help += "Otherwise, the same initial param values will be used "
212	resetf_help += "for all fittings."
213	self.menu1.AppendCheckItem(self.id_reset_flag,
214	"Chain Fitting [BatchFit Only]",
215	resetf_help)
216	wx.EVT_MENU(owner, self.id_reset_flag, self.on_reset_batch_flag)
217	chain_menu = self.menu1.FindItemById(self.id_reset_flag)
218	chain_menu.Check(not self.batch_reset_flag)
219	chain_menu.Enable(self.batch_on)
220
221	self.menu1.AppendSeparator()
222	self.edit_model_menu = wx.Menu()
223	# Find and put files name in menu
224	try:
225	self.set_edit_menu(owner=owner)
226	except:
227	raise
228
229	self.id_edit = wx.NewId()
230	editmodel_help = "Edit customized model sample file"
231	self.menu1.AppendMenu(self.id_edit, "Edit Custom Model",
232	self.edit_model_menu, editmodel_help)
233	#create menubar items
234	return [(self.menu1, self.sub_menu)]
235
236	def edit_custom_model(self, event):
237	"""
238	Get the python editor panel
239	"""
240	id = event.GetId()
241	label = self.edit_menu.GetLabel(id)
242	from sans.perspectives.calculator.pyconsole import PyConsole
243	filename = os.path.join(models.find_plugins_dir(), label)
244	frame = PyConsole(parent=self.parent, manager=self,
245	panel=self.fit_panel,
246	title='Advanced Custom Model Editor',
247	filename=filename)
248	self.put_icon(frame)
249	frame.Show(True)
250
251	def delete_custom_model(self, event):
252	"""
253	Delete custom model file
254	"""
255	id = event.GetId()
256	label = self.delete_menu.GetLabel(id)
257	toks = os.path.splitext(label)
258	path = os.path.join(models.find_plugins_dir(), toks[0])
259	try:
260	for ext in ['.py', '.pyc']:
261	p_path = path + ext
262	os.remove(p_path)
263	self.update_custom_combo()
264	if os.path.isfile(p_path):
265	msg = "Sorry! Could not be able to delete the default "
266	msg += "custom model... \n"
267	msg += "Please manually remove the files (.py, .pyc) "
268	msg += "in the 'plugin_models' folder \n"
269	msg += "inside of the SansView application, "
270	msg += "and try it again."
271	wx.MessageBox(msg, 'Info')
272	#wx.PostEvent(self.parent, StatusEvent(status=msg, type='stop',
273	# info='warning'))
274	else:
275	self.delete_menu.Delete(id)
276	for item in self.edit_menu.GetMenuItems():
277	if item.GetLabel() == label:
278	self.edit_menu.DeleteItem(item)
279	msg = "The custom model, %s, has been deleted."% label
280	wx.PostEvent(self.parent, StatusEvent(status=msg,
281	type='stop', info='info'))
282	break
283	except:
284	msg ='Delete Error: \nCould not delete the file; Check if in use.'
285	wx.MessageBox(msg, 'Error')
286
287	def make_sum_model(self, event):
288	"""
289	Edit summodel template and make one
290	"""
291	id = event.GetId()
292	model_manager = models.ModelManager()
293	model_list = model_manager.get_model_name_list()
294	plug_dir = models.find_plugins_dir()
295	textdial = TextDialog(None, self, -1, 'Easy Sum(p1, p2)',
296	model_list, plug_dir)
297	self.put_icon(textdial)
298	textdial.ShowModal()
299	textdial.Destroy()
300
301	def make_new_model(self, event):
302	"""
303	Make new model
304	"""
305	if self.new_model_frame != None and self.new_model_frame.IsShown():
306	self.new_model_frame.Show(False)
307	else:
308	id = event.GetId()
309	dir_path = models.find_plugins_dir()
310	title = "New Custom Model Function"
311	self.new_model_frame = EditorWindow(parent=self, base=self,
312	path=dir_path, title=title)
313	self.put_icon(self.new_model_frame)
314	self.new_model_frame.Show(True)
315
316	def update_custom_combo(self):
317	"""
318	Update custom model list in the fitpage combo box
319	"""
320	try:
321	# Update edit menus
322	self.set_edit_menu_helper(self.parent, self.edit_custom_model)
323	self.set_edit_menu_helper(self.parent, self.delete_custom_model)
324	temp = self.fit_panel.reset_pmodel_list()
325	if temp:
326	# Set the new custom model list for all fit pages
327	for uid, page in self.fit_panel.opened_pages.iteritems():
328	if hasattr(page, "formfactorbox"):
329	page.model_list_box = temp
330	current_val = page.formfactorbox.GetLabel()
331	if page.plugin_rbutton.GetValue():
332	#pos = page.formfactorbox.GetSelection()
333	page._show_combox_helper()
334	new_val = page.formfactorbox.GetLabel()
335	if current_val != new_val and new_val != '':
336	page.formfactorbox.SetLabel(new_val)
337	else:
338	page.formfactorbox.SetLabel(current_val)
339	except:
340	pass
341
342
343	def set_edit_menu(self, owner):
344	"""
345	Set list of the edit model menu labels
346	"""
347	id = wx.NewId()
348	#new_model_menu = wx.Menu()
349	self.edit_model_menu.Append(id, 'New',
350	'Add a new model function')
351	wx.EVT_MENU(owner, id, self.make_new_model)
352	id = wx.NewId()
353	self.edit_model_menu.Append(id, 'Sum(p1, p2)',
354	'Sum of two model functions')
355	wx.EVT_MENU(owner, id, self.make_sum_model)
356	e_id = wx.NewId()
357	self.edit_menu = wx.Menu()
358	self.edit_model_menu.AppendMenu(e_id,
359	'Advanced', self.edit_menu)
360	self.set_edit_menu_helper(owner, self.edit_custom_model)
361
362	d_id = wx.NewId()
363	self.delete_menu = wx.Menu()
364	self.edit_model_menu.AppendMenu(d_id,
365	'Delete', self.delete_menu)
366	self.set_edit_menu_helper(owner, self.delete_custom_model)
367
368	def set_edit_menu_helper(self, owner=None, menu=None):
369	"""
370	help for setting list of the edit model menu labels
371	"""
372	if menu == None:
373	menu = self.edit_custom_model
374	list_fnames = os.listdir(models.find_plugins_dir())
375	list_fnames.sort()
376	for f_item in list_fnames:
377	name = os.path.basename(f_item)
378	toks = os.path.splitext(name)
379	if toks[-1] == '.py' and not toks[0] == '__init__':
380	if menu == self.edit_custom_model:
381	if toks[0] == 'easy_sum_of_p1_p2':
382	continue
383	submenu = self.edit_menu
384	else:
385	submenu = self.delete_menu
386	has_file = False
387	for item in submenu.GetMenuItems():
388	if name == submenu.GetLabel(item.GetId()):
389	has_file = True
390	if not has_file:
391	id = wx.NewId()
392	submenu.Append(id, name)
393	wx.EVT_MENU(owner, id, menu)
394	has_file = False
395
396	def put_icon(self, frame):
397	"""
398	Put icon in the frame title bar
399	"""
400	if hasattr(frame, "IsIconized"):
401	if not frame.IsIconized():
402	try:
403	icon = self.parent.GetIcon()
404	frame.SetIcon(icon)
405	except:
406	pass
407
408	def on_add_sim_page(self, event):
409	"""
410	Create a page to access simultaneous fit option
411	"""
412	id = event.GetId()
413	caption = "Simultaneous Fit"
414	page = self.sim_page
415	if id == self.id_batchfit:
416	caption = "Combined Batch"
417	page = self.batch_page
418
419	def set_focus_page(page):
420	page.Show(True)
421	page.Refresh()
422	page.SetFocus()
423	self.parent._mgr.Update()
424	msg = "%s already opened\n" % str(page.window_caption)
425	wx.PostEvent(self.parent, StatusEvent(status=msg))
426
427	if page != None:
428	return set_focus_page(page)
429	if caption == "Simultaneous Fit":
430	self.sim_page = self.fit_panel.add_sim_page(caption=caption)
431	else:
432	self.batch_page = self.fit_panel.add_sim_page(caption=caption)
433
434	def help(self, evt):
435	"""
436	Show a general help dialog.
437	"""
438	from help_panel import HelpWindow
439	frame = HelpWindow(None, -1, 'HelpWindow')
440	if hasattr(frame, "IsIconized"):
441	if not frame.IsIconized():
442	try:
443	icon = self.parent.GetIcon()
444	frame.SetIcon(icon)
445	except:
446	pass
447	frame.Show(True)
448
449	def get_context_menu(self, plotpanel=None):
450	"""
451	Get the context menu items available for P(r).them allow fitting option
452	for Data2D and Data1D only.
453
454	:param graph: the Graph object to which we attach the context menu
455
456	:return: a list of menu items with call-back function
457
458	:note: if Data1D was generated from Theory1D
459	the fitting option is not allowed
460
461	"""
462	graph = plotpanel.graph
463	fit_option = "Select data for fitting"
464	fit_hint = "Dialog with fitting parameters "
465
466	if graph.selected_plottable not in plotpanel.plots:
467	return []
468	item = plotpanel.plots[graph.selected_plottable]
469	if item.__class__.__name__ is "Data2D":
470	if hasattr(item, "is_data"):
471	if item.is_data:
472	return [[fit_option, fit_hint, self._onSelect]]
473	else:
474	return []
475	return [[fit_option, fit_hint, self._onSelect]]
476	else:
477
478	# if is_data is true , this in an actual data loaded
479	#else it is a data created from a theory model
480	if hasattr(item, "is_data"):
481	if item.is_data:
482	return [[fit_option, fit_hint, self._onSelect]]
483	else:
484	return []
485	return []
486
487	def get_panels(self, parent):
488	"""
489	Create and return a list of panel objects
490	"""
491	self.parent = parent
492	#self.parent.Bind(EVT_FITSTATE_UPDATE, self.on_set_state_helper)
493	# Creation of the fit panel
494	self.fit_panel = FitPanel(parent=self.parent, manager=self)
495	self.on_add_new_page(event=None)
496	#Set the manager for the main panel
497	self.fit_panel.set_manager(self)
498	# List of windows used for the perspective
499	self.perspective = []
500	self.perspective.append(self.fit_panel.window_name)
501
502	#index number to create random model name
503	self.index_model = 0
504	self.index_theory = 0
505	self.parent.Bind(EVT_SLICER_PANEL, self._on_slicer_event)
506	self.parent.Bind(EVT_SLICER_PARS_UPDATE, self._onEVT_SLICER_PANEL)
507	self.parent._mgr.Bind(wx.aui.EVT_AUI_PANE_CLOSE,self._onclearslicer)
508	#Create reader when fitting panel are created
509	self.state_reader = Reader(self.set_state)
510	#append that reader to list of available reader
511	loader = Loader()
512	loader.associate_file_reader(".fitv", self.state_reader)
513	#Send the fitting panel to guiframe
514	self.mypanels.append(self.fit_panel)
515	return self.mypanels
516
517	def clear_panel(self):
518	"""
519	"""
520	self.fit_panel.clear_panel()
521
522	def set_default_perspective(self):
523	"""
524	Call back method that True to notify the parent that the current plug-in
525	can be set as default perspective.
526	when returning False, the plug-in is not candidate for an automatic
527	default perspective setting
528	"""
529	return True
530
531	def delete_data(self, data):
532	"""
533	delete the given data from panel
534	"""
535	self.fit_panel.delete_data(data)
536
537	def set_data(self, data_list=None):
538	"""
539	receive a list of data to fit
540	"""
541	if data_list is None:
542	data_list = []
543	selected_data_list = []
544	if self.batch_on:
545	page = self.add_fit_page(data=data_list)
546	else:
547	if len(data_list) > MAX_NBR_DATA:
548	from fitting_widgets import DataDialog
549	dlg = DataDialog(data_list=data_list, nb_data=MAX_NBR_DATA)
550	if dlg.ShowModal() == wx.ID_OK:
551	selected_data_list = dlg.get_data()
552	dlg.Destroy()
553
554	else:
555	selected_data_list = data_list
556	try:
557	group_id = wx.NewId()
558	for data in selected_data_list:
559	if data is not None:
560	# 2D has no same group_id
561	if data.__class__.__name__ == 'Data2D':
562	group_id = wx.NewId()
563	data.group_id = group_id
564	if group_id not in data.list_group_id:
565	data.list_group_id.append(group_id)
566	page = self.add_fit_page(data=[data])
567	except:
568	msg = "Fitting Set_data: " + str(sys.exc_value)
569	wx.PostEvent(self.parent, StatusEvent(status=msg, info="error"))
570
571	def set_top_panel(self):
572	"""
573	Close default (welcome) panel
574	"""
575	if 'default' in self.parent.panels:
576	self.parent.on_close_welcome_panel()
577
578
579	def set_theory(self, theory_list=None):
580	"""
581	"""
582	#set the model state for a given theory_state:
583	for item in theory_list:
584	try:
585	_, theory_state = item
586	self.fit_panel.set_model_state(theory_state)
587	except:
588	msg = "Fitting: cannot deal with the theory received"
589	logging.error("set_theory " + msg + "\n" + str(sys.exc_value))
590	wx.PostEvent(self.parent,
591	StatusEvent(status=msg, info="error"))
592
593	def set_state(self, state=None, datainfo=None, format=None):
594	"""
595	Call-back method for the fit page state reader.
596	This method is called when a .fitv/.svs file is loaded.
597
598	: param state: PageState object
599	: param datainfo: data
600	"""
601	#state = self.state_reader.get_state()
602	if state != None:
603	state = state.clone()
604	# store fitting state in temp_state
605	self.temp_state.append(state)
606	else:
607	self.temp_state = []
608	# index to start with for a new set_state
609	self.state_index = 0
610	# state file format
611	self.sfile_ext = format
612
613	self.on_set_state_helper(event=None)
614
615	def on_set_state_helper(self, event=None):
616	"""
617	Set_state_helper. This actually sets state
618	after plotting data from state file.
619
620	: event: FitStateUpdateEvent called
621	by dataloader.plot_data from guiframe
622	"""
623	if len(self.temp_state) == 0:
624	if self.state_index == 0 and len(self.mypanels) <= 0 \
625	and self.sfile_ext == '.svs':
626	#TODO: Why was the following line left in the code
627	# if add_default_pages doesn't exist?
628	try:
629	self.fit_panel.add_default_pages()
630	except:
631	print sys.exc_value
632	self.temp_state = []
633	self.state_index = 0
634	return
635
636	try:
637	# Load fitting state
638	state = self.temp_state[self.state_index]
639	#panel state should have model selection to set_state
640	if state.formfactorcombobox != None:
641	#set state
642	data = self.parent.create_gui_data(state.data)
643	data.group_id = state.data.group_id
644	self.parent.add_data(data_list={data.id: data})
645	wx.PostEvent(self.parent, NewPlotEvent(plot=data,
646	title=data.title))
647	#need to be fix later make sure we are sendind guiframe.data
648	#to panel
649	state.data = data
650	page = self.fit_panel.set_state(state)
651	else:
652	#just set data because set_state won't work
653	data = self.parent.create_gui_data(state.data)
654	data.group_id = state.data.group_id
655	self.parent.add_data(data_list={data.id: data})
656	wx.PostEvent(self.parent, NewPlotEvent(plot=data,
657	title=data.title))
658	page = self.add_fit_page([data])
659	caption = page.window_caption
660	self.store_data(uid=page.uid, data_list=page.get_data_list(),
661	caption=caption)
662	self.mypanels.append(page)
663
664	# get ready for the next set_state
665	self.state_index += 1
666
667	#reset state variables to default when all set_state is finished.
668	if len(self.temp_state) == self.state_index:
669
670	self.temp_state = []
671	#self.state_index = 0
672	# Make sure the user sees the fitting panel after loading
673	#self.parent.set_perspective(self.perspective)
674	self.on_perspective(event=None)
675	except:
676	self.state_index = 0
677	self.temp_state = []
678	raise
679
680	def set_param2fit(self, uid, param2fit):
681	"""
682	Set the list of param names to fit for fitprobelm
683	"""
684	self.page_finder[uid].set_param2fit(param2fit)
685
686	def set_graph_id(self, uid, graph_id):
687	"""
688	Set graph_id for fitprobelm
689	"""
690	self.page_finder[uid].set_graph_id(graph_id)
691
692	def get_graph_id(self, uid):
693	"""
694	Set graph_id for fitprobelm
695	"""
696	return self.page_finder[uid].get_graph_id()
697
698	def save_fit_state(self, filepath, fitstate):
699	"""
700	save fit page state into file
701	"""
702	self.state_reader.write(filename=filepath, fitstate=fitstate)
703
704	def set_fit_weight(self, uid, flag, is2d=False, fid=None):
705	"""
706	Set the fit weights of a given page for all
707	its data by default. If fid is provide then set the range
708	only for the data with fid as id
709	:param uid: id corresponding to a fit page
710	:param fid: id corresponding to a fit problem (data, model)
711	:param weight: current dy data
712	"""
713	if uid in self.page_finder.keys():
714	self.page_finder[uid].set_weight(flag=flag, is2d=is2d)
715
716	def set_fit_range(self, uid, qmin, qmax, fid=None):
717	"""
718	Set the fitting range of a given page for all
719	its data by default. If fid is provide then set the range
720	only for the data with fid as id
721	:param uid: id corresponding to a fit page
722	:param fid: id corresponding to a fit problem (data, model)
723	:param qmin: minimum value of the fit range
724	:param qmax: maximum value of the fit range
725	"""
726	if uid in self.page_finder.keys():
727	self.page_finder[uid].set_range(qmin=qmin, qmax=qmax, fid=fid)
728
729	def schedule_for_fit(self, value=0, uid=None):
730	"""
731	Set the fit problem field to 0 or 1 to schedule that problem to fit.
732	Schedule the specified fitproblem or get the fit problem related to
733	the current page and set value.
734	:param value: integer 0 or 1
735	:param uid: the id related to a page contaning fitting information
736	"""
737	if uid in self.page_finder.keys():
738	self.page_finder[uid].schedule_tofit(value)
739
740	def get_page_finder(self):
741	"""
742	return self.page_finder used also by simfitpage.py
743	"""
744	return self.page_finder
745
746	def set_page_finder(self, modelname, names, values):
747	"""
748	Used by simfitpage.py to reset a parameter given the string constrainst.
749
750	:param modelname: the name ot the model for with the parameter
751	has to reset
752	:param value: can be a string in this case.
753	:param names: the paramter name
754
755	:note: expecting park used for fit.
756
757	"""
758	sim_page_id = self.sim_page.uid
759	for uid, value in self.page_finder.iteritems():
760	if uid != sim_page_id and uid != self.batch_page.uid:
761	list = value.get_model()
762	model = list[0]
763	if model.name == modelname:
764	value.set_model_param(names, values)
765	break
766
767	def split_string(self, item):
768	"""
769	receive a word containing dot and split it. used to split parameterset
770	name into model name and parameter name example: ::
771
772	paramaterset (item) = M1.A
773	Will return model_name = M1 , parameter name = A
774
775	"""
776	if item.find(".") >= 0:
777	param_names = re.split("\.", item)
778	model_name = param_names[0]
779	##Assume max len is 3; eg., M0.radius.width
780	if len(param_names) == 3:
781	param_name = param_names[1] + "." + param_names[2]
782	else:
783	param_name = param_names[1]
784	return model_name, param_name
785
786	def set_ftol(self, ftol=None):
787	"""
788	Set ftol: Relative error desired in the sum of chi squares.
789	"""
790	# check if it is flaot
791	try:
792	f_tol = float(ftol)
793	except:
794	# default
795	f_tol = SANS_F_TOL
796
797	self.ftol = f_tol
798	# update ftol menu help strings
799	ftol_help = "Change the current FTolerance (=%s) " % str(self.ftol)
800	ftol_help += "of Simple FitEngine..."
801	if self.menu1 != None:
802	self.menu1.SetHelpString(self.id_tol, ftol_help)
803
804	def show_ftol_dialog(self, event=None):
805	"""
806	Dialog to select ftol for Scipy
807	"""
808	#if event != None:
809	# event.Skip()
810	from ftol_dialog import ChangeFtol
811	panel = ChangeFtol(self.parent, self)
812	panel.ShowModal()
813
814	def stop_fit(self, uid):
815	"""
816	Stop the fit engine
817	"""
818	if uid in self.fit_thread_list.keys():
819	calc_fit = self.fit_thread_list[uid]
820	if calc_fit is not None and calc_fit.isrunning():
821	calc_fit.stop()
822	msg = "Fit stop!"
823	wx.PostEvent(self.parent, StatusEvent(status=msg, type="stop"))
824	del self.fit_thread_list[uid]
825	#set the fit button label of page when fit stop is trigger from
826	#simultaneous fit pane
827	sim_flag = self.sim_page is not None and uid == self.sim_page.uid
828	batch_flag = self.batch_page is not None and uid == self.batch_page.uid
829	if sim_flag or batch_flag:
830	for uid, value in self.page_finder.iteritems():
831	if value.get_scheduled() == 1:
832	if uid in self.fit_panel.opened_pages.keys():
833	panel = self.fit_panel.opened_pages[uid]
834	panel._on_fit_complete()
835
836	def set_smearer(self, uid, smearer, fid, qmin=None, qmax=None, draw=True,
837	enable_smearer=False):
838	"""
839	Get a smear object and store it to a fit problem of fid as id. If proper
840	flag is enable , will plot the theory with smearing information.
841
842	:param smearer: smear object to allow smearing data of id fid
843	:param enable_smearer: Define whether or not all (data, model) contained
844	in the structure of id uid will be smeared before fitting.
845	:param qmin: the maximum value of the theory plotting range
846	:param qmax: the maximum value of the theory plotting range
847	:param draw: Determine if the theory needs to be plot
848	"""
849	if uid not in self.page_finder.keys():
850	return
851	self.page_finder[uid].enable_smearing(flag=enable_smearer)
852	self.page_finder[uid].set_smearer(smearer, fid=fid)
853	if draw:
854	## draw model 1D with smeared data
855	data = self.page_finder[uid].get_fit_data(fid=fid)
856	if data is None:
857	msg = "set_mearer requires at least data.\n"
858	msg += "Got data = %s .\n" % str(data)
859	return
860	#raise ValueError, msg
861	model = self.page_finder[uid].get_model(fid=fid)
862	if model is None:
863	return
864	enable1D = issubclass(data.__class__, Data1D)
865	enable2D = issubclass(data.__class__, Data2D)
866	## if user has already selected a model to plot
867	## redraw the model with data smeared
868	smear = self.page_finder[uid].get_smearer(fid=fid)
869
870	# compute weight for the current data
871	weight = self.page_finder[uid].get_weight(fid=fid)
872
873	self.draw_model(model=model, data=data, page_id=uid, smearer=smear,
874	enable1D=enable1D, enable2D=enable2D,
875	qmin=qmin, qmax=qmax, weight=weight)
876	self._mac_sleep(0.2)
877
878	def _mac_sleep(self, sec=0.2):
879	"""
880	Give sleep to MAC
881	"""
882	if ON_MAC:
883	time.sleep(sec)
884
885	def draw_model(self, model, page_id, data=None, smearer=None,
886	enable1D=True, enable2D=False,
887	state=None,
888	fid=None,
889	toggle_mode_on=False,
890	qmin=None, qmax=None,
891	update_chisqr=True, weight=None, source='model'):
892	"""
893	Draw model.
894
895	:param model: the model to draw
896	:param name: the name of the model to draw
897	:param data: the data on which the model is based to be drawn
898	:param description: model's description
899	:param enable1D: if true enable drawing model 1D
900	:param enable2D: if true enable drawing model 2D
901	:param qmin: Range's minimum value to draw model
902	:param qmax: Range's maximum value to draw model
903	:param qstep: number of step to divide the x and y-axis
904	:param update_chisqr: update chisqr [bool]
905
906	"""
907	#self.weight = weight
908	if issubclass(data.__class__, Data1D) or not enable2D:
909	## draw model 1D with no loaded data
910	self._draw_model1D(model=model,
911	data=data,
912	page_id=page_id,
913	enable1D=enable1D,
914	smearer=smearer,
915	qmin=qmin,
916	qmax=qmax,
917	fid=fid,
918	weight=weight,
919	toggle_mode_on=toggle_mode_on,
920	state=state,
921	update_chisqr=update_chisqr,
922	source=source)
923	else:
924	## draw model 2D with no initial data
925	self._draw_model2D(model=model,
926	page_id=page_id,
927	data=data,
928	enable2D=enable2D,
929	smearer=smearer,
930	qmin=qmin,
931	qmax=qmax,
932	fid=fid,
933	weight=weight,
934	state=state,
935	toggle_mode_on=toggle_mode_on,
936	update_chisqr=update_chisqr,
937	source=source)
938
939	def onFit(self, uid):
940	"""
941	Get series of data, model, associates parameters and range and send then
942	to series of fit engines. Fit data and model, display result to
943	corresponding panels.
944	:param uid: id related to the panel currently calling this fit function.
945	"""
946	flag = True
947	## count the number of fitproblem schedule to fit
948	fitproblem_count = 0
949	for value in self.page_finder.values():
950	if value.get_scheduled() == 1:
951	fitproblem_count += 1
952	self._gui_engine = self._return_engine_type()
953	self.fitproblem_count = fitproblem_count
954	if self._fit_engine == "park":
955	engineType = "Simultaneous Fit"
956	else:
957	engineType = "Single Fit"
958	fitter_list = []
959	sim_fitter = None
960	is_single_fit = True
961	batch_on = False
962	if self.sim_page is not None and self.sim_page.uid == uid:
963	#simulatanous fit only one engine need to be created
964	## if simultaneous fit change automatically the engine to park
965	self._on_change_engine(engine='park')
966	sim_fitter = Fit(self._fit_engine)
967	sim_fitter.fitter_id = self.sim_page.uid
968	fitter_list.append(sim_fitter)
969	is_single_fit = False
970	batch_on = self.sim_page.batch_on
971
972	self.fitproblem_count = fitproblem_count
973	if self._fit_engine == "park":
974	engineType = "Simultaneous Fit"
975	else:
976	engineType = "Single Fit"
977
978	self.current_pg = None
979	list_page_id = []
980	fit_id = 0
981	batch_inputs = {}
982	batch_outputs = {}
983	for page_id, value in self.page_finder.iteritems():
984	# For simulfit (uid give with None), do for-loop
985	# if uid is specified (singlefit), do it only on the page.
986	if engineType == "Single Fit":
987	#combine more than 1 batch page on single mode
988	if self.batch_page is None or self.batch_page.uid != uid:
989	if page_id != uid:
990	continue
991	try:
992	if value.get_scheduled() == 1:
993	value.nbr_residuals_computed = 0
994	#Get list of parameters name to fit
995	pars = []
996	templist = []
997	page = self.fit_panel.get_page_by_id(page_id)
998	self.set_fit_weight(uid=page.uid,
999	flag=page.get_weight_flag(),
1000	is2d=page._is_2D())
1001	templist = page.get_param_list()
1002	flag = page._update_paramv_on_fit()
1003	if not flag:
1004	msg = "Fitting range or parameter values are"
1005	msg += " invalid in %s" % \
1006	page.window_caption
1007	wx.PostEvent(page.parent.parent,
1008	StatusEvent(status=msg, info="error",
1009	type="stop"))
1010	return flag
1011	for element in templist:
1012	name = str(element[1])
1013	pars.append(name)
1014	fitproblem_list = value.values()
1015	for fitproblem in fitproblem_list:
1016	if sim_fitter is None:
1017	fitter = Fit(self._fit_engine)
1018	fitter.fitter_id = page_id
1019	self._fit_helper(fitproblem=fitproblem,
1020	pars=pars,
1021	fitter=fitter,
1022	fit_id=fit_id,
1023	batch_inputs=batch_inputs,
1024	batch_outputs=batch_outputs)
1025	fitter_list.append(fitter)
1026	else:
1027	fitter = sim_fitter
1028	self._fit_helper(fitproblem=fitproblem,
1029	pars=pars,
1030	fitter=fitter,
1031	fit_id=fit_id,
1032	batch_inputs=batch_inputs,
1033	batch_outputs=batch_outputs)
1034	fit_id += 1
1035	list_page_id.append(page_id)
1036	current_page_id = page_id
1037	value.clear_model_param()
1038	except:
1039	flag = False
1040	msg = "%s error: %s" % (engineType, sys.exc_value)
1041	wx.PostEvent(self.parent, StatusEvent(status=msg, info="error",
1042	type="stop"))
1043	return flag
1044	## If a thread is already started, stop it
1045	#if self.calc_fit!= None and self.calc_fit.isrunning():
1046	# self.calc_fit.stop()
1047	msg = "Fitting is in progress..."
1048	wx.PostEvent(self.parent, StatusEvent(status=msg, type="progress"))
1049
1050	#Handler used for park engine displayed message
1051	handler = ConsoleUpdate(parent=self.parent,
1052	manager=self,
1053	improvement_delta=0.1)
1054	self._mac_sleep(0.2)
1055	## perform single fit
1056	try:
1057	page = self.fit_panel.get_page_by_id(uid)
1058	batch_on = page.batch_on
1059	except:
1060	try:
1061	#if the id cannot be found then we deal with a self.sim_page
1062	#or a self.batch_page
1063	if self.sim_page is not None and uid == self.sim_page.uid:
1064	batch_on = self.sim_page.batch_on
1065	if self.batch_page is not None and uid == self.batch_page.uid:
1066	batch_on = self.batch_page.batch_on
1067	except:
1068	batch_on = False
1069
1070	# batch fit
1071	if batch_on:
1072	calc_fit = FitThread(handler=handler,
1073	fn=fitter_list,
1074	pars=pars,
1075	batch_inputs=batch_inputs,
1076	batch_outputs=batch_outputs,
1077	page_id=list_page_id,
1078	completefn=self._batch_fit_complete,
1079	ftol=self.ftol,
1080	reset_flag=self.batch_reset_flag)
1081	else:
1082	# single fit: not batch and not simul fit
1083	if not is_single_fit:
1084	current_page_id = self.sim_page.uid
1085	## Perform more than 1 fit at the time
1086	calc_fit = FitThread(handler=handler,
1087	fn=fitter_list,
1088	batch_inputs=batch_inputs,
1089	batch_outputs=batch_outputs,
1090	page_id=list_page_id,
1091	updatefn=handler.update_fit,
1092	completefn=self._fit_completed,
1093	ftol=self.ftol)
1094	self.fit_thread_list[current_page_id] = calc_fit
1095	calc_fit.queue()
1096	msg = "Fitting is in progress..."
1097	wx.PostEvent(self.parent, StatusEvent(status=msg, type="progress"))
1098
1099	self.ready_fit(calc_fit=calc_fit)
1100	return flag
1101
1102	def ready_fit(self, calc_fit):
1103	"""
1104	Ready for another fit
1105	"""
1106	if self.fitproblem_count != None and self.fitproblem_count > 1:
1107	calc_fit.ready(2.5)
1108	else:
1109	time.sleep(0.4)
1110
1111	def remove_plot(self, uid, fid=None, theory=False):
1112	"""
1113	remove model plot when a fit page is closed
1114	:param uid: the id related to the fitpage to close
1115	:param fid: the id of the fitproblem(data, model, range,etc)
1116	"""
1117	if uid not in self.page_finder.keys():
1118	return
1119	fitproblemList = self.page_finder[uid].get_fit_problem(fid)
1120	for fitproblem in fitproblemList:
1121	data = fitproblem.get_fit_data()
1122	model = fitproblem.get_model()
1123	plot_id = None
1124	if model is not None:
1125	plot_id = data.id + model.name
1126	if theory:
1127	plot_id = data.id + model.name
1128	group_id = data.group_id
1129	wx.PostEvent(self.parent, NewPlotEvent(id=plot_id,
1130	group_id=group_id,
1131	action='remove'))
1132
1133	def store_data(self, uid, data_list=None, caption=None):
1134	"""
1135	Recieve a list of data and store them ans well as a caption of
1136	the fit page where they come from.
1137	:param uid: if related to a fit page
1138	:param data_list: list of data to fit
1139	:param caption: caption of the window related to these data
1140	"""
1141	if data_list is None:
1142	data_list = []
1143
1144	self.page_finder[uid].set_fit_data(data=data_list)
1145	if caption is not None:
1146	self.page_finder[uid].set_fit_tab_caption(caption=caption)
1147
1148	def on_add_new_page(self, event=None):
1149	"""
1150	ask fit panel to create a new empty page
1151	"""
1152	try:
1153	page = self.fit_panel.add_empty_page()
1154	# add data associated to the page created
1155	if page != None:
1156	wx.PostEvent(self.parent, StatusEvent(status="Page Created",
1157	info="info"))
1158	else:
1159	msg = "Page was already Created"
1160	wx.PostEvent(self.parent, StatusEvent(status=msg,
1161	info="warning"))
1162	self.set_top_panel()
1163	except:
1164	msg = "Creating Fit page: %s"%sys.exc_value
1165	wx.PostEvent(self.parent, StatusEvent(status=msg, info="error"))
1166
1167	def add_fit_page(self, data):
1168	"""
1169	given a data, ask to the fitting panel to create a new fitting page,
1170	get this page and store it into the page_finder of this plug-in
1171	:param data: is a list of data
1172	"""
1173	page = self.fit_panel.set_data(data)
1174	# page could be None when loading state files
1175	if page == None:
1176	return page
1177	#append Data1D to the panel containing its theory
1178	#if theory already plotted
1179	if page.uid in self.page_finder:
1180	data = page.get_data()
1181	theory_data = self.page_finder[page.uid].get_theory_data(data.id)
1182	if issubclass(data.__class__, Data2D):
1183	data.group_id = wx.NewId()
1184	if theory_data is not None:
1185	group_id = str(page.uid) + " Model1D"
1186	wx.PostEvent(self.parent,
1187	NewPlotEvent(group_id=group_id,
1188	action="delete"))
1189	self.parent.update_data(prev_data=theory_data,
1190	new_data=data)
1191	else:
1192	if theory_data is not None:
1193	group_id = str(page.uid) + " Model2D"
1194	data.group_id = theory_data.group_id
1195	wx.PostEvent(self.parent,
1196	NewPlotEvent(group_id=group_id,
1197	action="delete"))
1198	self.parent.update_data(prev_data=theory_data,
1199	new_data=data)
1200	self.store_data(uid=page.uid, data_list=page.get_data_list(),
1201	caption=page.window_caption)
1202	if self.sim_page is not None and not self.batch_on:
1203	self.sim_page.draw_page()
1204	if self.batch_page is not None and self.batch_on:
1205	self.batch_page.draw_page()
1206
1207	return page
1208
1209	def _onEVT_SLICER_PANEL(self, event):
1210	"""
1211	receive and event telling to update a panel with a name starting with
1212	event.panel_name. this method update slicer panel
1213	for a given interactor.
1214
1215	:param event: contains type of slicer , paramaters for updating
1216	the panel and panel_name to find the slicer 's panel concerned.
1217	"""
1218	for item in self.parent.panels:
1219	name = event.panel_name
1220	if self.parent.panels[item].window_caption.startswith(name):
1221	self.parent.panels[item].set_slicer(event.type, event.params)
1222
1223	self.parent._mgr.Update()
1224
1225	def _closed_fitpage(self, event):
1226	"""
1227	request fitpanel to close a given page when its unique data is removed
1228	from the plot. close fitpage only when the a loaded data is removed
1229	"""
1230	if event is None or event.data is None:
1231	return
1232	if hasattr(event.data, "is_data"):
1233	if not event.data.is_data or \
1234	event.data.__class__.__name__ == "Data1D":
1235	self.fit_panel.close_page_with_data(event.data)
1236
1237	def _reset_schedule_problem(self, value=0, uid=None):
1238	"""
1239	unschedule or schedule all fitproblem to be fit
1240	"""
1241	# case that uid is not specified
1242	if uid == None:
1243	for page_id in self.page_finder.keys():
1244	self.page_finder[page_id].schedule_tofit(value)
1245	# when uid is given
1246	else:
1247	if uid in self.page_finder.keys():
1248	self.page_finder[uid].schedule_tofit(value)
1249
1250	def _fit_helper(self, fitproblem, pars, fitter, fit_id,
1251	batch_inputs, batch_outputs):
1252	"""
1253	Create and set fit engine with series of data and model
1254	:param pars: list of fittable parameters
1255	:param fitter_list: list of fit engine
1256	:param value: structure storing data mapped to their model, range etc.
1257	"""
1258	data = fitproblem.get_fit_data()
1259	model = fitproblem.get_model()
1260	smearer = fitproblem.get_smearer()
1261	qmin, qmax = fitproblem.get_range()
1262
1263	#Extra list of parameters and their constraints
1264	listOfConstraint = []
1265	param = fitproblem.get_model_param()
1266	if len(param) > 0:
1267	for item in param:
1268	## check if constraint
1269	if item[0] != None and item[1] != None:
1270	listOfConstraint.append((item[0], item[1]))
1271	new_model = model
1272	fitter.set_model(new_model, fit_id, pars, data=data,
1273	constraints=listOfConstraint)
1274	fitter.set_data(data=data, id=fit_id, smearer=smearer, qmin=qmin,
1275	qmax=qmax)
1276	fitter.select_problem_for_fit(id=fit_id, value=1)
1277
1278	def _onSelect(self, event):
1279	"""
1280	when Select data to fit a new page is created .Its reference is
1281	added to self.page_finder
1282	"""
1283	self.panel = event.GetEventObject()
1284	Plugin.on_perspective(self, event=event)
1285	self.select_data(self.panel)
1286
1287	def select_data(self, panel):
1288	"""
1289	"""
1290	self.panel = panel
1291	for plottable in self.panel.graph.plottables:
1292	if plottable.__class__.__name__ in ["Data1D", "Theory1D"]:
1293	data_id = self.panel.graph.selected_plottable
1294	if plottable == self.panel.plots[data_id]:
1295	data = plottable
1296	self.add_fit_page(data=[data])
1297	return
1298	else:
1299	data = plottable
1300	self.add_fit_page(data=[data])
1301	self.set_top_panel()
1302
1303	def update_fit(self, result=None, msg=""):
1304	"""
1305	"""
1306	print "update_fit result", result
1307
1308	def _batch_fit_complete(self, result, pars, page_id,
1309	batch_outputs, batch_inputs, elapsed=None):
1310	"""
1311	Display fit result in batch
1312	:param result: list of objects received fromt fit engines
1313	:param pars: list of fitted parameters names
1314	:param page_id: list of page ids which called fit function
1315	:param elapsed: time spent at the fitting level
1316	"""
1317	self._mac_sleep(0.2)
1318	uid = page_id[0]
1319	if uid in self.fit_thread_list.keys():
1320	del self.fit_thread_list[uid]
1321
1322	self._update_fit_button(page_id)
1323	t1 = time.time()
1324	str_time = time.strftime("%a, %d %b %Y %H:%M:%S ", time.localtime(t1))
1325	msg = "Fit completed on %s \n" % str_time
1326	msg += "Duration time: %s s.\n" % str(elapsed)
1327	wx.PostEvent(self.parent, StatusEvent(status=msg, info="info",
1328	type="stop"))
1329
1330	if batch_outputs is None:
1331	batch_outputs = {}
1332
1333	# format batch_outputs
1334	batch_outputs["Chi2"] = []
1335	#Don't like these loops
1336	# Need to create dictionary of all fitted parameters
1337	# since the number of parameters can differ between each fit result
1338	for list_res in result:
1339	for res in list_res:
1340	model, data = res.inputs[0]
1341	if model is not None and hasattr(model, "model"):
1342	model = model.model
1343	#get all fittable parameters of the current model
1344	for param in model.getParamList():
1345	if param not in batch_outputs.keys():
1346	batch_outputs[param] = []
1347	for param in model.getDispParamList():
1348	if not model.is_fittable(param) and \
1349	param in batch_outputs.keys():
1350	del batch_outputs[param]
1351	# Add fitted parameters and their error
1352	for param in res.param_list:
1353	if param not in batch_outputs.keys():
1354	batch_outputs[param] = []
1355	err_param = "error on %s" % str(param)
1356	if err_param not in batch_inputs.keys():
1357	batch_inputs[err_param] = []
1358	msg = ""
1359	for list_res in result:
1360	for res in list_res:
1361	pid = res.fitter_id
1362	model, data = res.inputs[0]
1363	correct_result = False
1364	if model is not None and hasattr(model, "model"):
1365	model = model.model
1366	if data is not None and hasattr(data, "sans_data"):
1367	data = data.sans_data
1368
1369	is_data2d = issubclass(data.__class__, Data2D)
1370	#check consistency of arrays
1371	if not is_data2d:
1372	if len(res.theory) == len(res.index[res.index]) and \
1373	len(res.index) == len(data.y):
1374	correct_result = True
1375	else:
1376	copy_data = deepcopy(data)
1377	new_theory = copy_data.data
1378	new_theory[res.index] = res.theory
1379	new_theory[res.index == False] = numpy.nan
1380	correct_result = True
1381	#get all fittable parameters of the current model
1382	param_list = model.getParamList()
1383	for param in model.getDispParamList():
1384	if not model.is_fittable(param) and \
1385	param in param_list:
1386	param_list.remove(param)
1387	if not correct_result or res.fitness is None or \
1388	not numpy.isfinite(res.fitness) or \
1389	numpy.any(res.pvec == None) or not \
1390	numpy.all(numpy.isfinite(res.pvec)):
1391	data_name = str(None)
1392	if data is not None:
1393	data_name = str(data.name)
1394	model_name = str(None)
1395	if model is not None:
1396	model_name = str(model.name)
1397	msg += "Data %s and Model %s did not fit.\n" % (data_name,
1398	model_name)
1399	ERROR = numpy.NAN
1400	cell = BatchCell()
1401	cell.label = res.fitness
1402	cell.value = res.fitness
1403	batch_outputs["Chi2"].append(ERROR)
1404	for param in param_list:
1405	# save value of fixed parameters
1406	if param not in res.param_list:
1407	batch_outputs[str(param)].append(ERROR)
1408	else:
1409	#save only fitted values
1410	batch_outputs[param].append(ERROR)
1411	batch_inputs["error on %s" % str(param)].append(ERROR)
1412	else:
1413	# ToDo: Why sometimes res.pvec comes with numpy.float64?
1414	# Need to fix it within ScipyEngine
1415	if res.pvec.__class__ == numpy.float64:
1416	res.pvec = [res.pvec]
1417
1418	cell = BatchCell()
1419	cell.label = res.fitness
1420	cell.value = res.fitness
1421	batch_outputs["Chi2"].append(cell)
1422	# add parameters to batch_results
1423	for param in param_list:
1424	# save value of fixed parameters
1425	if param not in res.param_list:
1426	batch_outputs[str(param)].append(model.getParam(param))
1427	else:
1428	index = res.param_list.index(param)
1429	#save only fitted values
1430	batch_outputs[param].append(res.pvec[index])
1431	if res.stderr is not None and \
1432	len(res.stderr) == len(res.param_list):
1433	item = res.stderr[index]
1434	batch_inputs["error on %s" % param].append(item)
1435	else:
1436	batch_inputs["error on %s" % param].append('-')
1437	model.setParam(param, res.pvec[index])
1438	#fill the batch result with emtpy value if not in the current
1439	#model
1440	EMPTY = "-"
1441	for key in batch_outputs.keys():
1442	if key not in param_list and key not in ["Chi2", "Data"]:
1443	batch_outputs[key].append(EMPTY)
1444
1445	self.page_finder[pid].set_batch_result(batch_inputs=batch_inputs,
1446	batch_outputs=batch_outputs)
1447
1448	cpage = self.fit_panel.get_page_by_id(pid)
1449	cpage._on_fit_complete()
1450	self.page_finder[pid][data.id].set_result(res)
1451	fitproblem = self.page_finder[pid][data.id]
1452	qmin, qmax = fitproblem.get_range()
1453	plot_result = False
1454	if correct_result:
1455	if not is_data2d:
1456	self._complete1D(x=data.x, y=res.theory, page_id=pid,
1457	elapsed=None,
1458	index=res.index, model=model,
1459	weight=None, fid=data.id,
1460	toggle_mode_on=False, state=None,
1461	data=data, update_chisqr=False,
1462	source='fit', plot_result=plot_result)
1463	else:
1464	self._complete2D(image=new_theory, data=data,
1465	model=model,
1466	page_id=pid, elapsed=None,
1467	index=res.index,
1468	qmin=qmin,
1469	qmax=qmax, fid=data.id, weight=None,
1470	toggle_mode_on=False, state=None,
1471	update_chisqr=False,
1472	source='fit', plot_result=plot_result)
1473	self.on_set_batch_result(page_id=pid,
1474	fid=data.id,
1475	batch_outputs=batch_outputs,
1476	batch_inputs=batch_inputs)
1477
1478	wx.PostEvent(self.parent, StatusEvent(status=msg, error="error",
1479	type="stop"))
1480	# Remove parameters that are not shown
1481	cpage = self.fit_panel.get_page_by_id(uid)
1482	tbatch_outputs = {}
1483	shownkeystr = cpage.get_copy_params()
1484	for key in batch_outputs.keys():
1485	if key in ["Chi2", "Data"] or shownkeystr.count(key) > 0:
1486	tbatch_outputs[key] = batch_outputs[key]
1487
1488	wx.CallAfter(self.parent.on_set_batch_result, tbatch_outputs,
1489	batch_inputs, self.sub_menu)
1490
1491	def on_set_batch_result(self, page_id, fid, batch_outputs, batch_inputs):
1492	"""
1493	"""
1494	pid = page_id
1495	if fid not in self.page_finder[pid]:
1496	return
1497	fitproblem = self.page_finder[pid][fid]
1498	index = self.page_finder[pid].nbr_residuals_computed - 1
1499	residuals = fitproblem.get_residuals()
1500	theory_data = fitproblem.get_theory_data()
1501	data = fitproblem.get_fit_data()
1502	model = fitproblem.get_model()
1503	#fill batch result information
1504	if "Data" not in batch_outputs.keys():
1505	batch_outputs["Data"] = []
1506	from sans.guiframe.data_processor import BatchCell
1507	cell = BatchCell()
1508	cell.label = data.name
1509	cell.value = index
1510
1511	if theory_data != None:
1512	#Suucessful fit
1513	theory_data.id = wx.NewId()
1514	theory_data.name = model.name + "[%s]" % str(data.name)
1515	if issubclass(theory_data.__class__, Data2D):
1516	group_id = wx.NewId()
1517	theory_data.group_id = group_id
1518	if group_id not in theory_data.list_group_id:
1519	theory_data.list_group_id.append(group_id)
1520
1521	try:
1522	# associate residuals plot
1523	if issubclass(residuals.__class__, Data2D):
1524	group_id = wx.NewId()
1525	residuals.group_id = group_id
1526	if group_id not in residuals.list_group_id:
1527	residuals.list_group_id.append(group_id)
1528	batch_outputs["Chi2"][index].object = [residuals]
1529	except:
1530	pass
1531
1532	cell.object = [data, theory_data]
1533	batch_outputs["Data"].append(cell)
1534	for key, value in data.meta_data.iteritems():
1535	if key not in batch_inputs.keys():
1536	batch_inputs[key] = []
1537	#if key.lower().strip() != "loader":
1538	batch_inputs[key].append(value)
1539	param = "temperature"
1540	if hasattr(data.sample, param):
1541	if param not in batch_inputs.keys():
1542	batch_inputs[param] = []
1543	batch_inputs[param].append(data.sample.temperature)
1544
1545	def _fit_completed(self, result, page_id, batch_outputs,
1546	batch_inputs=None, pars=None, elapsed=None):
1547	"""
1548	Display result of the fit on related panel(s).
1549	:param result: list of object generated when fit ends
1550	:param pars: list of names of parameters fitted
1551	:param page_id: list of page ids which called fit function
1552	:param elapsed: time spent at the fitting level
1553	"""
1554	t1 = time.time()
1555	str_time = time.strftime("%a, %d %b %Y %H:%M:%S ", time.localtime(t1))
1556	msg = "Fit completed on %s \n" % str_time
1557	msg += "Duration time: %s s.\n" % str(elapsed)
1558	wx.PostEvent(self.parent, StatusEvent(status=msg, info="info",
1559	type="stop"))
1560	# reset fit_engine if changed by simul_fit
1561	if self._fit_engine != self._gui_engine:
1562	self._on_change_engine(self._gui_engine)
1563	self._update_fit_button(page_id)
1564	result = result[0]
1565	self.fit_thread_list = {}
1566	if page_id is None:
1567	page_id = []
1568	## fit more than 1 model at the same time
1569	self._mac_sleep(0.2)
1570	try:
1571	index = 0
1572	for uid in page_id:
1573	res = result[index]
1574	if res.fitness is None or \
1575	not numpy.isfinite(res.fitness) or \
1576	numpy.any(res.pvec == None) or \
1577	not numpy.all(numpy.isfinite(res.pvec)):
1578	msg = "Fitting did not converge!!!"
1579	wx.PostEvent(self.parent,
1580	StatusEvent(status=msg,
1581	info="warning",
1582	type="stop"))
1583	self._update_fit_button(page_id)
1584	else:
1585	#set the panel when fit result are float not list
1586	if res.pvec.__class__ == numpy.float64:
1587	pvec = [res.pvec]
1588	else:
1589	pvec = res.pvec
1590	if res.stderr.__class__ == numpy.float64:
1591	stderr = [res.stderr]
1592	else:
1593	stderr = res.stderr
1594	cpage = self.fit_panel.get_page_by_id(uid)
1595	# Make sure we got all results
1596	#(CallAfter is important to MAC)
1597	try:
1598	#if res != None:
1599	wx.CallAfter(cpage.onsetValues, res.fitness,
1600	res.param_list,
1601	pvec, stderr)
1602	index += 1
1603	wx.CallAfter(cpage._on_fit_complete)
1604	except:
1605	msg = "Singular point: Fitting Error occurred."
1606	wx.PostEvent(self.parent, StatusEvent(status=msg,
1607	info="error",
1608	type="stop"))
1609
1610	except:
1611	msg = "Fit completed but Following"
1612	msg += " error occurred:%s" % sys.exc_value
1613	wx.PostEvent(self.parent, StatusEvent(status=msg, info="error",
1614	type="stop"))
1615
1616	def _update_fit_button(self, page_id):
1617	"""
1618	Update Fit button when fit stopped
1619
1620	: parameter page_id: fitpage where the button is
1621	"""
1622	if page_id.__class__.__name__ != 'list':
1623	page_id = [page_id]
1624	for uid in page_id:
1625	page = self.fit_panel.get_page_by_id(uid)
1626	page._on_fit_complete()
1627
1628	def _on_show_panel(self, event):
1629	"""
1630	"""
1631	pass
1632
1633	def on_reset_batch_flag(self, event):
1634	"""
1635	Set batch_reset_flag
1636	"""
1637	event.Skip()
1638	if self.menu1 == None:
1639	return
1640	menu_item = self.menu1.FindItemById(self.id_reset_flag)
1641	flag = menu_item.IsChecked()
1642	if not flag:
1643	menu_item.Check(False)
1644	self.batch_reset_flag = True
1645	else:
1646	menu_item.Check(True)
1647	self.batch_reset_flag = False
1648
1649	## post a message to status bar
1650	msg = "Set Chain Fitting: %s" % str(not self.batch_reset_flag)
1651	wx.PostEvent(self.parent,
1652	StatusEvent(status=msg))
1653
1654	def _onset_engine_park(self, event):
1655	"""
1656	set engine to park
1657	"""
1658	self._on_change_engine('park')
1659
1660	def _onset_engine_scipy(self, event):
1661	"""
1662	set engine to scipy
1663	"""
1664	self._on_change_engine('scipy')
1665
1666	def _on_slicer_event(self, event):
1667	"""
1668	Receive a panel as event and send it to guiframe
1669
1670	:param event: event containing a panel
1671
1672	"""
1673	if event.panel is not None:
1674	new_panel = event.panel
1675	self.slicer_panels.append(event.panel)
1676	# Set group ID if available
1677	event_id = self.parent.popup_panel(new_panel)
1678	new_panel.uid = event_id
1679	self.mypanels.append(new_panel)
1680
1681	def _onclearslicer(self, event):
1682	"""
1683	Clear the boxslicer when close the panel associate with this slicer
1684	"""
1685	name = event.GetPane().caption
1686
1687	for panel in self.slicer_panels:
1688	if panel.window_caption == name:
1689
1690	for item in self.parent.panels:
1691	if hasattr(self.parent.panels[item], "uid"):
1692	if self.parent.panels[item].uid == panel.base.uid:
1693	self.parent.panels[item].onClearSlicer(event)
1694	self.parent._mgr.Update()
1695	break
1696	break
1697
1698	def _return_engine_type(self):
1699	"""
1700	return the current type of engine
1701	"""
1702	return self._fit_engine
1703
1704	def _on_change_engine(self, engine='park'):
1705	"""
1706	Allow to select the type of engine to perform fit
1707
1708	:param engine: the key work of the engine
1709
1710	"""
1711	## saving fit engine name
1712	self._fit_engine = engine
1713	## change menu item state
1714	if engine == "park":
1715	self.menu1.FindItemById(self.park_id).Check(True)
1716	self.menu1.FindItemById(self.scipy_id).Check(False)
1717	else:
1718	self.menu1.FindItemById(self.park_id).Check(False)
1719	self.menu1.FindItemById(self.scipy_id).Check(True)
1720	## post a message to status bar
1721	msg = "Engine set to: %s" % self._fit_engine
1722	wx.PostEvent(self.parent,
1723	StatusEvent(status=msg))
1724	## send the current engine type to fitpanel
1725	self.fit_panel._on_engine_change(name=self._fit_engine)
1726
1727	def _on_model_panel(self, evt):
1728	"""
1729	react to model selection on any combo box or model menu.plot the model
1730
1731	:param evt: wx.combobox event
1732
1733	"""
1734	model = evt.model
1735	uid = evt.uid
1736	qmin = evt.qmin
1737	qmax = evt.qmax
1738	caption = evt.caption
1739	enable_smearer = evt.enable_smearer
1740	if model == None:
1741	return
1742	if uid not in self.page_finder.keys():
1743	return
1744	# save the name containing the data name with the appropriate model
1745	self.page_finder[uid].set_model(model)
1746	self.page_finder[uid].enable_smearing(enable_smearer)
1747	self.page_finder[uid].set_range(qmin=qmin, qmax=qmax)
1748	self.page_finder[uid].set_fit_tab_caption(caption=caption)
1749	if self.sim_page is not None and not self.batch_on:
1750	self.sim_page.draw_page()
1751	if self.batch_page is not None and self.batch_on:
1752	self.batch_page.draw_page()
1753
1754	def _update1D(self, x, output):
1755	"""
1756	Update the output of plotting model 1D
1757	"""
1758	msg = "Plot updating ... "
1759	wx.PostEvent(self.parent, StatusEvent(status=msg, type="update"))
1760
1761	def _complete1D(self, x, y, page_id, elapsed, index, model,
1762	weight=None, fid=None,
1763	toggle_mode_on=False, state=None,
1764	data=None, update_chisqr=True,
1765	source='model', plot_result=True):
1766	"""
1767	Complete plotting 1D data
1768	"""
1769	try:
1770	numpy.nan_to_num(y)
1771
1772	new_plot = Data1D(x=x, y=y)
1773	new_plot.is_data = False
1774	new_plot.dy = numpy.zeros(len(y))
1775	new_plot.symbol = GUIFRAME_ID.CURVE_SYMBOL_NUM
1776	_yaxis, _yunit = data.get_yaxis()
1777	_xaxis, _xunit = data.get_xaxis()
1778	new_plot.title = data.name
1779
1780	new_plot.group_id = data.group_id
1781	if new_plot.group_id == None:
1782	new_plot.group_id = data.group_id
1783	new_plot.id = str(page_id) + "model-" + data.name
1784	#if new_plot.id in self.color_dict:
1785	# new_plot.custom_color = self.color_dict[new_plot.id]
1786	#find if this theory was already plotted and replace that plot given
1787	#the same id
1788	theory_data = self.page_finder[page_id].get_theory_data(fid=data.id)
1789
1790	if data.is_data:
1791	data_name = str(data.name)
1792	else:
1793	data_name = str(model.__class__.__name__)
1794
1795	new_plot.name = model.name + " [" + data_name +"]"
1796	new_plot.xaxis(_xaxis, _xunit)
1797	new_plot.yaxis(_yaxis, _yunit)
1798	self.page_finder[page_id].set_theory_data(data=new_plot,
1799	fid=data.id)
1800	self.parent.update_theory(data_id=data.id, theory=new_plot,
1801	state=state)
1802	current_pg = self.fit_panel.get_page_by_id(page_id)
1803	title = new_plot.title
1804	batch_on = self.fit_panel.get_page_by_id(page_id).batch_on
1805	if not batch_on:
1806	wx.PostEvent(self.parent, NewPlotEvent(plot=new_plot,
1807	title=str(title)))
1808	elif plot_result:
1809	top_data_id = self.fit_panel.get_page_by_id(page_id).data.id
1810	if data.id == top_data_id:
1811	wx.PostEvent(self.parent, NewPlotEvent(plot=new_plot,
1812	title=str(title)))
1813	caption = current_pg.window_caption
1814	self.page_finder[page_id].set_fit_tab_caption(caption=caption)
1815
1816	self.page_finder[page_id].set_theory_data(data=new_plot,
1817	fid=data.id)
1818	if toggle_mode_on:
1819	wx.PostEvent(self.parent,
1820	NewPlotEvent(group_id=str(page_id) + " Model2D",
1821	action="Hide"))
1822	else:
1823	if update_chisqr:
1824	wx.PostEvent(current_pg,
1825	Chi2UpdateEvent(output=self._cal_chisqr(
1826	data=data,
1827	fid=fid,
1828	weight=weight,
1829	page_id=page_id,
1830	index=index)))
1831	else:
1832	self._plot_residuals(page_id=page_id, data=data, fid=fid,
1833	index=index, weight=weight)
1834
1835	msg = "Computation completed!"
1836	wx.PostEvent(self.parent, StatusEvent(status=msg, type="stop"))
1837	except:
1838	raise
1839
1840	def _update2D(self, output, time=None):
1841	"""
1842	Update the output of plotting model
1843	"""
1844	wx.PostEvent(self.parent, StatusEvent(status="Plot \
1845	#updating ... ", type="update"))
1846	#self.ready_fit()
1847
1848	def _complete2D(self, image, data, model, page_id, elapsed, index, qmin,
1849	qmax, fid=None, weight=None, toggle_mode_on=False, state=None,
1850	update_chisqr=True, source='model', plot_result=True):
1851	"""
1852	Complete get the result of modelthread and create model 2D
1853	that can be plot.
1854	"""
1855	numpy.nan_to_num(image)
1856	new_plot = Data2D(image=image, err_image=data.err_data)
1857	new_plot.name = model.name
1858	new_plot.title = "Analytical model 2D "
1859	new_plot.id = str(page_id) + "model-" + data.name
1860	new_plot.group_id = str(page_id) + " Model2D"
1861	new_plot.detector = data.detector
1862	new_plot.source = data.source
1863	new_plot.is_data = False
1864	new_plot.qx_data = data.qx_data
1865	new_plot.qy_data = data.qy_data
1866	new_plot.q_data = data.q_data
1867	new_plot.mask = data.mask
1868	## plot boundaries
1869	new_plot.ymin = data.ymin
1870	new_plot.ymax = data.ymax
1871	new_plot.xmin = data.xmin
1872	new_plot.xmax = data.xmax
1873	title = data.title
1874
1875	new_plot.is_data = False
1876	if data.is_data:
1877	data_name = str(data.name)
1878	else:
1879	data_name = str(model.__class__.__name__)
1880
1881	if len(title) > 1:
1882	new_plot.title = "Model2D for " + data_name
1883	new_plot.name = model.name + " [" + \
1884	data_name + "-2D]"
1885	theory_data = deepcopy(new_plot)
1886	theory_data.name = "Unknown"
1887
1888	self.page_finder[page_id].set_theory_data(data=theory_data,
1889	fid=data.id)
1890	self.parent.update_theory(data_id=data.id,
1891	theory=new_plot,
1892	state=state)
1893	current_pg = self.fit_panel.get_page_by_id(page_id)
1894	title = new_plot.title
1895	if not source == 'fit' and plot_result:
1896	wx.PostEvent(self.parent, NewPlotEvent(plot=new_plot,
1897	title=title))
1898	if toggle_mode_on:
1899	wx.PostEvent(self.parent,
1900	NewPlotEvent(group_id=str(page_id) + " Model1D",
1901	action="Hide"))
1902	else:
1903	# Chisqr in fitpage
1904	if update_chisqr:
1905	wx.PostEvent(current_pg,
1906	Chi2UpdateEvent(output=self._cal_chisqr(data=data,
1907	weight=weight,
1908	fid=fid,
1909	page_id=page_id,
1910	index=index)))
1911	else:
1912	self._plot_residuals(page_id=page_id, data=data, fid=fid,
1913	index=index, weight=weight)
1914	msg = "Computation completed!"
1915	wx.PostEvent(self.parent, StatusEvent(status=msg, type="stop"))
1916
1917	def _draw_model2D(self, model, page_id, qmin,
1918	qmax,
1919	data=None, smearer=None,
1920	description=None, enable2D=False,
1921	state=None,
1922	fid=None,
1923	weight=None,
1924	toggle_mode_on=False,
1925	update_chisqr=True, source='model'):
1926	"""
1927	draw model in 2D
1928
1929	:param model: instance of the model to draw
1930	:param description: the description of the model
1931	:param enable2D: when True allows to draw model 2D
1932	:param qmin: the minimum value to draw model 2D
1933	:param qmax: the maximum value to draw model 2D
1934	:param qstep: the number of division of Qx and Qy of the model to draw
1935
1936	"""
1937	if not enable2D:
1938	return None
1939	try:
1940	from model_thread import Calc2D
1941	## If a thread is already started, stop it
1942	if (self.calc_2D is not None) and self.calc_2D.isrunning():
1943	self.calc_2D.stop()
1944	self.calc_2D = Calc2D(model=model,
1945	data=data,
1946	page_id=page_id,
1947	smearer=smearer,
1948	qmin=qmin,
1949	qmax=qmax,
1950	weight=weight,
1951	fid=fid,
1952	toggle_mode_on=toggle_mode_on,
1953	state=state,
1954	completefn=self._complete2D,
1955	update_chisqr=update_chisqr, source=source)
1956	self.calc_2D.queue()
1957	except:
1958	raise
1959
1960	def _draw_model1D(self, model, page_id, data,
1961	qmin, qmax, smearer=None,
1962	state=None,
1963	weight=None,
1964	fid=None,
1965	toggle_mode_on=False, update_chisqr=True, source='model',
1966	enable1D=True):
1967	"""
1968	Draw model 1D from loaded data1D
1969
1970	:param data: loaded data
1971	:param model: the model to plot
1972
1973	"""
1974	if not enable1D:
1975	return
1976	try:
1977	from model_thread import Calc1D
1978	## If a thread is already started, stop it
1979	if (self.calc_1D is not None) and self.calc_1D.isrunning():
1980	self.calc_1D.stop()
1981	self.calc_1D = Calc1D(data=data,
1982	model=model,
1983	page_id=page_id,
1984	qmin=qmin,
1985	qmax=qmax,
1986	smearer=smearer,
1987	state=state,
1988	weight=weight,
1989	fid=fid,
1990	toggle_mode_on=toggle_mode_on,
1991	completefn=self._complete1D,
1992	#updatefn = self._update1D,
1993	update_chisqr=update_chisqr,
1994	source=source)
1995	self.calc_1D.queue()
1996	except:
1997	msg = " Error occurred when drawing %s Model 1D: " % model.name
1998	msg += " %s" % sys.exc_value
1999	wx.PostEvent(self.parent, StatusEvent(status=msg))
2000
2001	def _cal_chisqr(self, page_id, data, weight, fid=None, index=None):
2002	"""
2003	Get handy Chisqr using the output from draw1D and 2D,
2004	instead of calling expansive CalcChisqr in guithread
2005	"""
2006	data_copy = deepcopy(data)
2007	# default chisqr
2008	chisqr = None
2009	#to compute chisq make sure data has valid data
2010	# return None if data == None
2011	if not check_data_validity(data_copy) or data_copy == None:
2012	return chisqr
2013
2014	# Get data: data I, theory I, and data dI in order
2015	if data_copy.__class__.__name__ == "Data2D":
2016	if index == None:
2017	index = numpy.ones(len(data_copy.data), ntype=bool)
2018	if weight != None:
2019	data_copy.err_data = weight
2020	# get rid of zero error points
2021	index = index & (data_copy.err_data != 0)
2022	index = index & (numpy.isfinite(data_copy.data))
2023	fn = data_copy.data[index]
2024	theory_data = self.page_finder[page_id].get_theory_data(fid=data_copy.id)
2025	if theory_data == None:
2026	return chisqr
2027	gn = theory_data.data[index]
2028	en = data_copy.err_data[index]
2029	else:
2030	# 1 d theory from model_thread is only in the range of index
2031	if index == None:
2032	index = numpy.ones(len(data_copy.y), ntype=bool)
2033	if weight != None:
2034	data_copy.dy = weight
2035	if data_copy.dy == None or data_copy.dy == []:
2036	dy = numpy.ones(len(data_copy.y))
2037	else:
2038	## Set consitently w/AbstractFitengine:
2039	# But this should be corrected later.
2040	dy = deepcopy(data_copy.dy)
2041	dy[dy == 0] = 1
2042	fn = data_copy.y[index]
2043
2044	theory_data = self.page_finder[page_id].get_theory_data(fid=data_copy.id)
2045	if theory_data == None:
2046	return chisqr
2047	gn = theory_data.y
2048	en = dy[index]
2049
2050	# residual
2051	res = (fn - gn) / en
2052	residuals = res[numpy.isfinite(res)]
2053	# get chisqr only w/finite
2054	chisqr = numpy.average(residuals * residuals)
2055
2056	self._plot_residuals(page_id=page_id, data=data_copy,
2057	fid=fid,
2058	weight=weight, index=index)
2059
2060	return chisqr
2061
2062	def _plot_residuals(self, page_id, weight, fid=None,
2063	data=None, index=None):
2064	"""
2065	Plot the residuals
2066
2067	:param data: data
2068	:param index: index array (bool)
2069	: Note: this is different from the residuals in cal_chisqr()
2070	"""
2071	data_copy = deepcopy(data)
2072	# Get data: data I, theory I, and data dI in order
2073	if data_copy.__class__.__name__ == "Data2D":
2074	# build residuals
2075	residuals = Data2D()
2076	#residuals.copy_from_datainfo(data)
2077	# Not for trunk the line below, instead use the line above
2078	data_copy.clone_without_data(len(data_copy.data), residuals)
2079	residuals.data = None
2080	fn = data_copy.data
2081	theory_data = self.page_finder[page_id].get_theory_data(fid=data_copy.id)
2082	gn = theory_data.data
2083	if weight == None:
2084	en = data_copy.err_data
2085	else:
2086	en = weight
2087	residuals.data = (fn - gn) / en
2088	residuals.qx_data = data_copy.qx_data
2089	residuals.qy_data = data_copy.qy_data
2090	residuals.q_data = data_copy.q_data
2091	residuals.err_data = numpy.ones(len(residuals.data))
2092	residuals.xmin = min(residuals.qx_data)
2093	residuals.xmax = max(residuals.qx_data)
2094	residuals.ymin = min(residuals.qy_data)
2095	residuals.ymax = max(residuals.qy_data)
2096	residuals.q_data = data_copy.q_data
2097	residuals.mask = data_copy.mask
2098	residuals.scale = 'linear'
2099	# check the lengths
2100	if len(residuals.data) != len(residuals.q_data):
2101	return
2102	else:
2103	# 1 d theory from model_thread is only in the range of index
2104	if data_copy.dy == None or data_copy.dy == []:
2105	dy = numpy.ones(len(data_copy.y))
2106	else:
2107	if weight == None:
2108	dy = numpy.ones(len(data_copy.y))
2109	## Set consitently w/AbstractFitengine:
2110	## But this should be corrected later.
2111	else:
2112	dy = weight
2113	dy[dy == 0] = 1
2114	fn = data_copy.y[index]
2115	theory_data = self.page_finder[page_id].get_theory_data(fid=data_copy.id)
2116	gn = theory_data.y
2117	en = dy[index]
2118	# build residuals
2119	residuals = Data1D()
2120	residuals.y = (fn - gn) / en
2121	residuals.x = data_copy.x[index]
2122	residuals.dy = numpy.ones(len(residuals.y))
2123	residuals.dx = None
2124	residuals.dxl = None
2125	residuals.dxw = None
2126	residuals.ytransform = 'y'
2127	# For latter scale changes
2128	residuals.xaxis('\\rm{Q} ', 'A^{-1}')
2129	residuals.yaxis('\\rm{Residuals} ', 'normalized')
2130	new_plot = residuals
2131	new_plot.name = "Residuals for " + str(theory_data.name.split()[0]) + "[" + str(data.name) +"]"
2132	## allow to highlight data when plotted
2133	new_plot.interactive = True
2134	## when 2 data have the same id override the 1 st plotted
2135	new_plot.id = "res" + str(data_copy.id)
2136	##group_id specify on which panel to plot this data
2137	group_id = self.page_finder[page_id].get_graph_id()
2138	if group_id == None:
2139	group_id = data.group_id
2140	new_plot.group_id = "res" + str(group_id)
2141	#new_plot.is_data = True
2142	##post data to plot
2143	title = new_plot.name
2144	self.page_finder[page_id].set_residuals(residuals=new_plot,
2145	fid=data.id)
2146	self.parent.update_theory(data_id=data.id, theory=new_plot)
2147	batch_on = self.fit_panel.get_page_by_id(page_id).batch_on
2148	if not batch_on:
2149	wx.PostEvent(self.parent, NewPlotEvent(plot=new_plot, title=title))

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SasView

source: sasview/fittingview/src/sans/perspectives/fitting/fitting.py @ 78919f45

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