fitting.py @ a06ee7e

ESS_GUIESS_GUI_DocsESS_GUI_batch_fittingESS_GUI_bumps_abstractionESS_GUI_iss1116ESS_GUI_iss879ESS_GUI_iss959ESS_GUI_openclESS_GUI_orderingESS_GUI_sync_sascalccostrafo411magnetic_scattrelease-4.2.2ticket-1009ticket-1094-headlessticket-1242-2d-resolutionticket-1243ticket-1249ticket885unittest-saveload

Last change on this file since a06ee7e was 489f53a, checked in by lewis, 7 years ago
Show warning message before deleting plug-in model. Refs #754
Property mode set to `100755`
File size: 89.3 KB

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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	from __future__ import print_function
14
15	import re
16	import sys
17	import os
18	import wx
19	import logging
20	import numpy as np
21	import time
22	from copy import deepcopy
23	import traceback
24
25	from sas.sascalc.dataloader.loader import Loader
26	from sas.sasgui.guiframe.dataFitting import Data2D
27	from sas.sasgui.guiframe.dataFitting import Data1D
28	from sas.sasgui.guiframe.dataFitting import check_data_validity
29	from sas.sasgui.guiframe.events import NewPlotEvent
30	from sas.sasgui.guiframe.events import StatusEvent
31	from sas.sasgui.guiframe.events import EVT_SLICER_PANEL
32	from sas.sasgui.guiframe.events import EVT_SLICER_PARS_UPDATE
33	from sas.sasgui.guiframe.gui_style import GUIFRAME_ID
34	from sas.sasgui.guiframe.plugin_base import PluginBase
35	from sas.sasgui.guiframe.data_processor import BatchCell
36	from sas.sascalc.fit.BumpsFitting import BumpsFit as Fit
37	from sas.sasgui.perspectives.fitting.console import ConsoleUpdate
38	from sas.sasgui.perspectives.fitting.fitproblem import FitProblemDictionary
39	from sas.sasgui.perspectives.fitting.fitpanel import FitPanel
40	from sas.sasgui.perspectives.fitting.resultpanel import ResultPanel, PlotResultEvent
41
42	from sas.sasgui.perspectives.fitting.fit_thread import FitThread
43	from sas.sasgui.perspectives.fitting.pagestate import Reader
44	from sas.sasgui.perspectives.fitting.fitpage import Chi2UpdateEvent
45	from sas.sasgui.perspectives.calculator.model_editor import TextDialog
46	from sas.sasgui.perspectives.calculator.model_editor import EditorWindow
47	from sas.sasgui.guiframe.gui_manager import MDIFrame
48	from sas.sasgui.guiframe.documentation_window import DocumentationWindow
49	from sas.sasgui.perspectives.fitting.gpu_options import GpuOptions
50
51	from . import models
52
53	logger = logging.getLogger(__name__)
54
55	MAX_NBR_DATA = 4
56
57	(PageInfoEvent, EVT_PAGE_INFO) = wx.lib.newevent.NewEvent()
58
59
60	if sys.platform == "win32":
61	ON_MAC = False
62	else:
63	ON_MAC = True
64
65	import bumps.options
66	from bumps.gui.fit_dialog import show_fit_config
67	try:
68	from bumps.gui.fit_dialog import EVT_FITTER_CHANGED
69	except ImportError:
70	# CRUFT: bumps 0.7.5.8 and below
71	EVT_FITTER_CHANGED = None # type: wx.PyCommandEvent
72
73	class Plugin(PluginBase):
74	"""
75	Fitting plugin is used to perform fit
76	"""
77	def __init__(self):
78	PluginBase.__init__(self, name="Fitting")
79
80	#list of panel to send to guiframe
81	self.mypanels = []
82	# reference to the current running thread
83	self.calc_2D = None
84	self.calc_1D = None
85
86	self.color_dict = {}
87
88	self.fit_thread_list = {}
89	self.residuals = None
90	self.weight = None
91	self.fit_panel = None
92	self.plot_panel = None
93	# Start with a good default
94	self.elapsed = 0.022
95	self.fit_panel = None
96	## dictionary of page closed and id
97	self.closed_page_dict = {}
98	## Relative error desired in the sum of squares (float)
99	self.batch_reset_flag = True
100	#List of selected data
101	self.selected_data_list = []
102	## list of slicer panel created to display slicer parameters and results
103	self.slicer_panels = []
104	# model 2D view
105	self.model2D_id = None
106	#keep reference of the simultaneous fit page
107	self.sim_page = None
108	self.sim_menu = None
109	self.batch_page = None
110	self.batch_menu = None
111	self.index_model = 0
112	self.test_model_color = None
113	#Create a reader for fit page's state
114	self.state_reader = None
115	self._extensions = '.fitv'
116	self.menu1 = None
117	self.new_model_frame = None
118
119	self.temp_state = []
120	self.state_index = 0
121	self.sfile_ext = None
122	# take care of saving data, model and page associated with each other
123	self.page_finder = {}
124	# Log startup
125	logger.info("Fitting plug-in started")
126	self.batch_capable = self.get_batch_capable()
127
128	def get_batch_capable(self):
129	"""
130	Check if the plugin has a batch capability
131	"""
132	return True
133
134	def create_fit_problem(self, page_id):
135	"""
136	Given an ID create a fitproblem container
137	"""
138	self.page_finder[page_id] = FitProblemDictionary()
139
140	def delete_fit_problem(self, page_id):
141	"""
142	Given an ID create a fitproblem container
143	"""
144	if page_id in self.page_finder.iterkeys():
145	del self.page_finder[page_id]
146
147	def add_color(self, color, id):
148	"""
149	adds a color as a key with a plot id as its value to a dictionary
150	"""
151	self.color_dict[id] = color
152
153	def on_batch_selection(self, flag):
154	"""
155	switch the the notebook of batch mode or not
156	"""
157	self.batch_on = flag
158	if self.fit_panel is not None:
159	self.fit_panel.batch_on = self.batch_on
160
161	def populate_menu(self, owner):
162	"""
163	Create a menu for the Fitting plug-in
164
165	:param id: id to create a menu
166	:param owner: owner of menu
167
168	:return: list of information to populate the main menu
169
170	"""
171	#Menu for fitting
172	self.menu1 = wx.Menu()
173	id1 = wx.NewId()
174	simul_help = "Add new fit panel"
175	self.menu1.Append(id1, '&New Fit Page', simul_help)
176	wx.EVT_MENU(owner, id1, self.on_add_new_page)
177	self.menu1.AppendSeparator()
178	self.id_simfit = wx.NewId()
179	simul_help = "Constrained or Simultaneous Fit"
180	self.menu1.Append(self.id_simfit, '&Constrained or Simultaneous Fit', simul_help)
181	wx.EVT_MENU(owner, self.id_simfit, self.on_add_sim_page)
182	self.sim_menu = self.menu1.FindItemById(self.id_simfit)
183	self.sim_menu.Enable(False)
184	#combined Batch
185	self.id_batchfit = wx.NewId()
186	batch_help = "Combined Batch"
187	self.menu1.Append(self.id_batchfit, '&Combine Batch Fit', batch_help)
188	wx.EVT_MENU(owner, self.id_batchfit, self.on_add_sim_page)
189	self.batch_menu = self.menu1.FindItemById(self.id_batchfit)
190	self.batch_menu.Enable(False)
191
192	self.menu1.AppendSeparator()
193	self.id_bumps_options = wx.NewId()
194	bopts_help = "Fitting options"
195	self.menu1.Append(self.id_bumps_options, 'Fit &Options', bopts_help)
196	wx.EVT_MENU(owner, self.id_bumps_options, self.on_bumps_options)
197	self.bumps_options_menu = self.menu1.FindItemById(self.id_bumps_options)
198	self.bumps_options_menu.Enable(True)
199
200	self.id_gpu_options_panel = wx.NewId()
201	self.menu1.Append(self.id_gpu_options_panel, "OpenCL Options", "Choose OpenCL driver or turn it off")
202	wx.EVT_MENU(owner, self.id_gpu_options_panel, self.on_gpu_options)
203
204	self.id_result_panel = wx.NewId()
205	self.menu1.Append(self.id_result_panel, "Fit Results", "Show fit results panel")
206	wx.EVT_MENU(owner, self.id_result_panel, self.on_fit_results)
207	self.menu1.AppendSeparator()
208
209	self.id_reset_flag = wx.NewId()
210	resetf_help = "BatchFit: If checked, the initial param values will be "
211	resetf_help += "propagated from the previous results. "
212	resetf_help += "Otherwise, the same initial param values will be used "
213	resetf_help += "for all fittings."
214	self.menu1.AppendCheckItem(self.id_reset_flag,
215	"Chain Fitting [BatchFit Only]",
216	resetf_help)
217	wx.EVT_MENU(owner, self.id_reset_flag, self.on_reset_batch_flag)
218	chain_menu = self.menu1.FindItemById(self.id_reset_flag)
219	chain_menu.Check(not self.batch_reset_flag)
220	chain_menu.Enable(self.batch_on)
221
222	self.menu1.AppendSeparator()
223	self.edit_model_menu = wx.Menu()
224	# Find and put files name in menu
225	try:
226	self.set_edit_menu(owner=owner)
227	except:
228	raise
229
230	self.id_edit = wx.NewId()
231	self.menu1.AppendMenu(self.id_edit, "Plugin Model Operations",
232	self.edit_model_menu)
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	event_id = event.GetId()
241	label = self.edit_menu.GetLabel(event_id)
242	from sas.sasgui.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 Plugin 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	event_id = event.GetId()
256	label = self.delete_menu.GetLabel(event_id)
257	toks = os.path.splitext(label)
258	path = os.path.join(models.find_plugins_dir(), toks[0])
259	message = "Are you sure you want to delete the file {}?".format(path)
260	dlg = wx.MessageDialog(self.frame, message, '', wx.YES_NO \| wx.ICON_QUESTION)
261	if not dlg.ShowModal() == wx.ID_YES:
262	return
263	try:
264	for ext in ['.py', '.pyc']:
265	p_path = path + ext
266	if ext == '.pyc' and not os.path.isfile(path + ext):
267	# If model is invalid, .pyc file may not exist as model has
268	# never been compiled. Don't try and delete it
269	continue
270	os.remove(p_path)
271	self.update_custom_combo()
272	if os.path.isfile(p_path):
273	msg = "Sorry! unable to delete the default "
274	msg += "plugin model... \n"
275	msg += "Please manually remove the files (.py, .pyc) "
276	msg += "in the 'plugin_models' folder \n"
277	msg += "inside of the SasView application, "
278	msg += "and try it again."
279	wx.MessageBox(msg, 'Info')
280	#evt = StatusEvent(status=msg, type='stop', info='warning')
281	#wx.PostEvent(self.parent, evt)
282	else:
283	self.delete_menu.Delete(event_id)
284	for item in self.edit_menu.GetMenuItems():
285	if item.GetLabel() == label:
286	self.edit_menu.DeleteItem(item)
287	msg = "The plugin model, %s, has been deleted." % label
288	evt = StatusEvent(status=msg, type='stop', info='info')
289	wx.PostEvent(self.parent, evt)
290	break
291	except Exception:
292	import traceback; traceback.print_exc()
293	msg = 'Delete Error: \nCould not delete the file; Check if in use.'
294	wx.MessageBox(msg, 'Error')
295
296	def make_sum_model(self, event):
297	"""
298	Edit summodel template and make one
299	"""
300	event_id = event.GetId()
301	model_manager = models.ModelManager()
302	model_list = model_manager.get_model_name_list()
303	plug_dir = models.find_plugins_dir()
304	textdial = TextDialog(None, self, wx.ID_ANY, 'Easy Sum/Multi(p1, p2) Editor',
305	model_list, plug_dir)
306	self.put_icon(textdial)
307	textdial.ShowModal()
308	textdial.Destroy()
309
310	def make_new_model(self, event):
311	"""
312	Make new model
313	"""
314	if self.new_model_frame is not None:
315	self.new_model_frame.Show(False)
316	self.new_model_frame.Show(True)
317	else:
318	event_id = event.GetId()
319	dir_path = models.find_plugins_dir()
320	title = "New Plugin Model Function"
321	self.new_model_frame = EditorWindow(parent=self, base=self,
322	path=dir_path, title=title)
323	self.put_icon(self.new_model_frame)
324	self.new_model_frame.Show(True)
325
326	def load_plugin_models(self, event):
327	"""
328	Update of models in plugin_models folder
329	"""
330	event_id = event.GetId()
331	self.update_custom_combo()
332
333	def update_custom_combo(self):
334	"""
335	Update custom model list in the fitpage combo box
336	"""
337	custom_model = 'Plugin Models'
338	try:
339	# Update edit menus
340	self.set_edit_menu_helper(self.parent, self.edit_custom_model)
341	self.set_edit_menu_helper(self.parent, self.delete_custom_model)
342	temp = self.fit_panel.reset_pmodel_list()
343	if temp:
344	# Set the new plugin model list for all fit pages
345	for uid, page in self.fit_panel.opened_pages.iteritems():
346	if hasattr(page, "formfactorbox"):
347	page.model_list_box = temp
348	current_val = page.formfactorbox.GetLabel()
349	#if page.plugin_rbutton.GetValue():
350	mod_cat = page.categorybox.GetStringSelection()
351	if mod_cat == custom_model:
352	#pos = page.formfactorbox.GetSelection()
353	page._show_combox_helper()
354	new_val = page.formfactorbox.GetLabel()
355	if current_val != new_val and new_val != '':
356	page.formfactorbox.SetLabel(new_val)
357	else:
358	page.formfactorbox.SetLabel(current_val)
359	except:
360	logger.error("update_custom_combo: %s", sys.exc_value)
361
362	def set_edit_menu(self, owner):
363	"""
364	Set list of the edit model menu labels
365	"""
366	wx_id = wx.NewId()
367	#new_model_menu = wx.Menu()
368	self.edit_model_menu.Append(wx_id, 'New Plugin Model',
369	'Add a new model function')
370	wx.EVT_MENU(owner, wx_id, self.make_new_model)
371
372	wx_id = wx.NewId()
373	self.edit_model_menu.Append(wx_id, 'Sum\|Multi(p1, p2)',
374	'Sum of two model functions')
375	wx.EVT_MENU(owner, wx_id, self.make_sum_model)
376
377	e_id = wx.NewId()
378	self.edit_menu = wx.Menu()
379	self.edit_model_menu.AppendMenu(e_id,
380	'Advanced Plugin Editor', self.edit_menu)
381	self.set_edit_menu_helper(owner, self.edit_custom_model)
382
383	d_id = wx.NewId()
384	self.delete_menu = wx.Menu()
385	self.edit_model_menu.AppendMenu(d_id,
386	'Delete Plugin Models', self.delete_menu)
387	self.set_edit_menu_helper(owner, self.delete_custom_model)
388
389	wx_id = wx.NewId()
390	self.edit_model_menu.Append(wx_id, 'Load Plugin Models',
391	'(Re)Load all models present in user plugin_models folder')
392	wx.EVT_MENU(owner, wx_id, self.load_plugin_models)
393
394	def set_edit_menu_helper(self, owner=None, menu=None):
395	"""
396	help for setting list of the edit model menu labels
397	"""
398	if menu is None:
399	menu = self.edit_custom_model
400	list_fnames = os.listdir(models.find_plugins_dir())
401	list_fnames.sort()
402	for f_item in list_fnames:
403	name = os.path.basename(f_item)
404	toks = os.path.splitext(name)
405	if toks[-1] == '.py' and not toks[0] == '__init__':
406	if menu == self.edit_custom_model:
407	if toks[0] == 'easy_sum_of_p1_p2':
408	continue
409	submenu = self.edit_menu
410	else:
411	submenu = self.delete_menu
412	has_file = False
413	for item in submenu.GetMenuItems():
414	if name == submenu.GetLabel(item.GetId()):
415	has_file = True
416	if not has_file:
417	wx_id = wx.NewId()
418	submenu.Append(wx_id, name)
419	wx.EVT_MENU(owner, wx_id, menu)
420	has_file = False
421
422	def put_icon(self, frame):
423	"""
424	Put icon in the frame title bar
425	"""
426	if hasattr(frame, "IsIconized"):
427	if not frame.IsIconized():
428	try:
429	icon = self.parent.GetIcon()
430	frame.SetIcon(icon)
431	except:
432	pass
433
434	def on_add_sim_page(self, event):
435	"""
436	Create a page to access simultaneous fit option
437	"""
438	event_id = event.GetId()
439	caption = "Const & Simul Fit"
440	page = self.sim_page
441	if event_id == self.id_batchfit:
442	caption = "Combined Batch"
443	page = self.batch_page
444
445	def set_focus_page(page):
446	page.Show(True)
447	page.Refresh()
448	page.SetFocus()
449	#self.parent._mgr.Update()
450	msg = "%s already opened\n" % str(page.window_caption)
451	wx.PostEvent(self.parent, StatusEvent(status=msg))
452
453	if page is not None:
454	return set_focus_page(page)
455	if caption == "Const & Simul Fit":
456	self.sim_page = self.fit_panel.add_sim_page(caption=caption)
457	else:
458	self.batch_page = self.fit_panel.add_sim_page(caption=caption)
459
460	def get_context_menu(self, plotpanel=None):
461	"""
462	Get the context menu items available for P(r).them allow fitting option
463	for Data2D and Data1D only.
464
465	:param graph: the Graph object to which we attach the context menu
466
467	:return: a list of menu items with call-back function
468
469	:note: if Data1D was generated from Theory1D
470	the fitting option is not allowed
471
472	"""
473	self.plot_panel = plotpanel
474	graph = plotpanel.graph
475	fit_option = "Select data for fitting"
476	fit_hint = "Dialog with fitting parameters "
477
478	if graph.selected_plottable not in plotpanel.plots:
479	return []
480	item = plotpanel.plots[graph.selected_plottable]
481	if item.__class__.__name__ is "Data2D":
482	if hasattr(item, "is_data"):
483	if item.is_data:
484	return [[fit_option, fit_hint, self._onSelect]]
485	else:
486	return []
487	return [[fit_option, fit_hint, self._onSelect]]
488	else:
489
490	# if is_data is true , this in an actual data loaded
491	#else it is a data created from a theory model
492	if hasattr(item, "is_data"):
493	if item.is_data:
494	return [[fit_option, fit_hint, self._onSelect]]
495	else:
496	return []
497	return [[fit_option, fit_hint, self._onSelect]]
498	return []
499
500	def get_panels(self, parent):
501	"""
502	Create and return a list of panel objects
503	"""
504	self.parent = parent
505	#self.parent.Bind(EVT_FITSTATE_UPDATE, self.on_set_state_helper)
506	# Creation of the fit panel
507	self.frame = MDIFrame(self.parent, None, 'None', (100, 200))
508	self.fit_panel = FitPanel(parent=self.frame, manager=self)
509	self.frame.set_panel(self.fit_panel)
510	self._frame_set_helper()
511	self.on_add_new_page(event=None)
512	#Set the manager for the main panel
513	self.fit_panel.set_manager(self)
514	# List of windows used for the perspective
515	self.perspective = []
516	self.perspective.append(self.fit_panel.window_name)
517
518	self.result_frame = MDIFrame(self.parent, None, ResultPanel.window_caption, (220, 200))
519	self.result_panel = ResultPanel(parent=self.result_frame, manager=self)
520	self.perspective.append(self.result_panel.window_name)
521
522	#index number to create random model name
523	self.index_model = 0
524	self.index_theory = 0
525	self.parent.Bind(EVT_SLICER_PANEL, self._on_slicer_event)
526	self.parent.Bind(EVT_SLICER_PARS_UPDATE, self._onEVT_SLICER_PANEL)
527
528	# CRUFT: EVT_FITTER_CHANGED is not None for bumps 0.7.5.9 and above
529	if EVT_FITTER_CHANGED is not None:
530	self.parent.Bind(EVT_FITTER_CHANGED, self.on_fitter_changed)
531	self._set_fitter_label(bumps.options.FIT_CONFIG)
532
533	#self.parent._mgr.Bind(wx.aui.EVT_AUI_PANE_CLOSE,self._onclearslicer)
534	#Create reader when fitting panel are created
535	self.state_reader = Reader(self.set_state)
536	#append that reader to list of available reader
537	loader = Loader()
538	loader.associate_file_reader(".fitv", self.state_reader)
539	#Send the fitting panel to guiframe
540	self.mypanels.append(self.fit_panel)
541	self.mypanels.append(self.result_panel)
542	return self.mypanels
543
544	def clear_panel(self):
545	"""
546	"""
547	self.fit_panel.clear_panel()
548
549	def delete_data(self, data):
550	"""
551	delete the given data from panel
552	"""
553	self.fit_panel.delete_data(data)
554
555	def set_data(self, data_list=None):
556	"""
557	receive a list of data to fit
558	"""
559	if data_list is None:
560	data_list = []
561	selected_data_list = []
562	if self.batch_on:
563	self.add_fit_page(data=data_list)
564	else:
565	if len(data_list) > MAX_NBR_DATA:
566	from fitting_widgets import DataDialog
567	dlg = DataDialog(data_list=data_list, nb_data=MAX_NBR_DATA)
568	if dlg.ShowModal() == wx.ID_OK:
569	selected_data_list = dlg.get_data()
570	dlg.Destroy()
571
572	else:
573	selected_data_list = data_list
574	try:
575	group_id = wx.NewId()
576	for data in selected_data_list:
577	if data is not None:
578	# 2D has no same group_id
579	if data.__class__.__name__ == 'Data2D':
580	group_id = wx.NewId()
581	data.group_id = group_id
582	if group_id not in data.list_group_id:
583	data.list_group_id.append(group_id)
584	self.add_fit_page(data=[data])
585	except:
586	msg = "Fitting set_data: " + str(sys.exc_value)
587	wx.PostEvent(self.parent, StatusEvent(status=msg, info="error"))
588
589	def set_theory(self, theory_list=None):
590	"""
591	"""
592	#set the model state for a given theory_state:
593	for item in theory_list:
594	try:
595	_, theory_state = item
596	self.fit_panel.set_model_state(theory_state)
597	except Exception:
598	msg = "Fitting: cannot deal with the theory received"
599	evt = StatusEvent(status=msg, info="error")
600	logger.error("set_theory " + msg + "\n" + str(sys.exc_value))
601	wx.PostEvent(self.parent, evt)
602
603	def set_state(self, state=None, datainfo=None, format=None):
604	"""
605	Call-back method for the fit page state reader.
606	This method is called when a .fitv/.svs file is loaded.
607
608	: param state: PageState object
609	: param datainfo: data
610	"""
611	from pagestate import PageState
612	from simfitpage import SimFitPageState
613	if isinstance(state, PageState):
614	state = state.clone()
615	self.temp_state.append(state)
616	elif isinstance(state, SimFitPageState):
617	state.load_from_save_state(self)
618	else:
619	self.temp_state = []
620	# index to start with for a new set_state
621	self.state_index = 0
622	# state file format
623	self.sfile_ext = format
624
625	self.on_set_state_helper(event=None)
626
627	def on_set_state_helper(self, event=None):
628	"""
629	Set_state_helper. This actually sets state
630	after plotting data from state file.
631
632	: event: FitStateUpdateEvent called
633	by dataloader.plot_data from guiframe
634	"""
635	if len(self.temp_state) == 0:
636	if self.state_index == 0 and len(self.mypanels) <= 0 \
637	and self.sfile_ext == '.svs':
638	self.temp_state = []
639	self.state_index = 0
640	return
641
642	try:
643	# Load fitting state
644	state = self.temp_state[self.state_index]
645	#panel state should have model selection to set_state
646	if state.formfactorcombobox is not None:
647	#set state
648	data = self.parent.create_gui_data(state.data)
649	data.group_id = state.data.group_id
650	self.parent.add_data(data_list={data.id: data})
651	wx.PostEvent(self.parent, NewPlotEvent(plot=data,
652	title=data.title))
653	#need to be fix later make sure we are sendind guiframe.data
654	#to panel
655	state.data = data
656	page = self.fit_panel.set_state(state)
657	else:
658	#just set data because set_state won't work
659	data = self.parent.create_gui_data(state.data)
660	data.group_id = state.data.group_id
661	self.parent.add_data(data_list={data.id: data})
662	wx.PostEvent(self.parent, NewPlotEvent(plot=data,
663	title=data.title))
664	page = self.add_fit_page([data])
665	caption = page.window_caption
666	self.store_data(uid=page.uid, data_list=page.get_data_list(),
667	caption=caption)
668	self.mypanels.append(page)
669
670	# get ready for the next set_state
671	self.state_index += 1
672
673	#reset state variables to default when all set_state is finished.
674	if len(self.temp_state) == self.state_index:
675
676	self.temp_state = []
677	#self.state_index = 0
678	# Make sure the user sees the fitting panel after loading
679	#self.parent.set_perspective(self.perspective)
680	self.on_perspective(event=None)
681	except:
682	self.state_index = 0
683	self.temp_state = []
684	raise
685
686	def set_param2fit(self, uid, param2fit):
687	"""
688	Set the list of param names to fit for fitprobelm
689	"""
690	self.page_finder[uid].set_param2fit(param2fit)
691
692	def set_graph_id(self, uid, graph_id):
693	"""
694	Set graph_id for fitprobelm
695	"""
696	self.page_finder[uid].set_graph_id(graph_id)
697
698	def get_graph_id(self, uid):
699	"""
700	Set graph_id for fitprobelm
701	"""
702	return self.page_finder[uid].get_graph_id()
703
704	def save_fit_state(self, filepath, fitstate):
705	"""
706	save fit page state into file
707	"""
708	self.state_reader.write(filename=filepath, fitstate=fitstate)
709
710	def set_fit_weight(self, uid, flag, is2d=False, fid=None):
711	"""
712	Set the fit weights of a given page for all
713	its data by default. If fid is provide then set the range
714	only for the data with fid as id
715	:param uid: id corresponding to a fit page
716	:param fid: id corresponding to a fit problem (data, model)
717	:param weight: current dy data
718	"""
719	# If we are not dealing with a specific fit problem, then
720	# there is no point setting the weights.
721	if fid is None:
722	return
723	if uid in self.page_finder.keys():
724	self.page_finder[uid].set_weight(flag=flag, is2d=is2d)
725
726	def set_fit_range(self, uid, qmin, qmax, fid=None):
727	"""
728	Set the fitting range of a given page for all
729	its data by default. If fid is provide then set the range
730	only for the data with fid as id
731	:param uid: id corresponding to a fit page
732	:param fid: id corresponding to a fit problem (data, model)
733	:param qmin: minimum value of the fit range
734	:param qmax: maximum value of the fit range
735	"""
736	if uid in self.page_finder.keys():
737	self.page_finder[uid].set_range(qmin=qmin, qmax=qmax, fid=fid)
738
739	def schedule_for_fit(self, value=0, uid=None):
740	"""
741	Set the fit problem field to 0 or 1 to schedule that problem to fit.
742	Schedule the specified fitproblem or get the fit problem related to
743	the current page and set value.
744	:param value: integer 0 or 1
745	:param uid: the id related to a page contaning fitting information
746	"""
747	if uid in self.page_finder.keys():
748	self.page_finder[uid].schedule_tofit(value)
749
750	def get_page_finder(self):
751	"""
752	return self.page_finder used also by simfitpage.py
753	"""
754	return self.page_finder
755
756	def set_page_finder(self, modelname, names, values):
757	"""
758	Used by simfitpage.py to reset a parameter given the string constrainst.
759
760	:param modelname: the name ot the model for with the parameter
761	has to reset
762	:param value: can be a string in this case.
763	:param names: the paramter name
764	"""
765	sim_page_id = self.sim_page.uid
766	for uid, value in self.page_finder.iteritems():
767	if uid != sim_page_id and uid != self.batch_page.uid:
768	model_list = value.get_model()
769	model = model_list[0]
770	if model.name == modelname:
771	value.set_model_param(names, values)
772	break
773
774	def split_string(self, item):
775	"""
776	receive a word containing dot and split it. used to split parameterset
777	name into model name and parameter name example: ::
778
779	paramaterset (item) = M1.A
780	Will return model_name = M1 , parameter name = A
781
782	"""
783	if item.find(".") >= 0:
784	param_names = re.split("\.", item)
785	model_name = param_names[0]
786	##Assume max len is 3; eg., M0.radius.width
787	if len(param_names) == 3:
788	param_name = param_names[1] + "." + param_names[2]
789	else:
790	param_name = param_names[1]
791	return model_name, param_name
792
793	def on_bumps_options(self, event=None):
794	"""
795	Open the bumps options panel.
796	"""
797	show_fit_config(self.parent, help=self.on_help)
798
799	def on_fitter_changed(self, event):
800	self._set_fitter_label(event.config)
801
802	def _set_fitter_label(self, config):
803	self.fit_panel.parent.SetTitle(self.fit_panel.window_name
804	+ " - Active Fitting Optimizer: "
805	+ config.selected_name)
806
807	def on_help(self, algorithm_id):
808	_TreeLocation = "user/sasgui/perspectives/fitting/optimizer.html"
809	_anchor = "#fit-"+algorithm_id
810	DocumentationWindow(self.parent, wx.ID_ANY, _TreeLocation, _anchor, "Optimizer Help")
811
812
813	def on_fit_results(self, event=None):
814	"""
815	Make the Fit Results panel visible.
816	"""
817	self.result_frame.Show()
818	self.result_frame.Raise()
819
820	def on_gpu_options(self, event=None):
821	"""
822	Make the Fit Results panel visible.
823	"""
824	dialog = GpuOptions(None, wx.ID_ANY, "")
825	dialog.Show()
826
827	def stop_fit(self, uid):
828	"""
829	Stop the fit
830	"""
831	if uid in self.fit_thread_list.keys():
832	calc_fit = self.fit_thread_list[uid]
833	if calc_fit is not None and calc_fit.isrunning():
834	calc_fit.stop()
835	msg = "Fit stop!"
836	wx.PostEvent(self.parent, StatusEvent(status=msg, type="stop"))
837	del self.fit_thread_list[uid]
838	#set the fit button label of page when fit stop is trigger from
839	#simultaneous fit pane
840	sim_flag = self.sim_page is not None and uid == self.sim_page.uid
841	batch_flag = self.batch_page is not None and uid == self.batch_page.uid
842	if sim_flag or batch_flag:
843	for uid, value in self.page_finder.iteritems():
844	if value.get_scheduled() == 1:
845	if uid in self.fit_panel.opened_pages.keys():
846	panel = self.fit_panel.opened_pages[uid]
847	panel._on_fit_complete()
848
849	def set_smearer(self, uid, smearer, fid, qmin=None, qmax=None, draw=True,
850	enable_smearer=False):
851	"""
852	Get a smear object and store it to a fit problem of fid as id. If proper
853	flag is enable , will plot the theory with smearing information.
854
855	:param smearer: smear object to allow smearing data of id fid
856	:param enable_smearer: Define whether or not all (data, model) contained
857	in the structure of id uid will be smeared before fitting.
858	:param qmin: the maximum value of the theory plotting range
859	:param qmax: the maximum value of the theory plotting range
860	:param draw: Determine if the theory needs to be plot
861	"""
862	if uid not in self.page_finder.keys():
863	return
864	self.page_finder[uid].enable_smearing(flag=enable_smearer)
865	self.page_finder[uid].set_smearer(smearer, fid=fid)
866	if draw:
867	## draw model 1D with smeared data
868	data = self.page_finder[uid].get_fit_data(fid=fid)
869	if data is None:
870	msg = "set_mearer requires at least data.\n"
871	msg += "Got data = %s .\n" % str(data)
872	return
873	#raise ValueError, msg
874	model = self.page_finder[uid].get_model(fid=fid)
875	if model is None:
876	return
877	enable1D = issubclass(data.__class__, Data1D)
878	enable2D = issubclass(data.__class__, Data2D)
879	## if user has already selected a model to plot
880	## redraw the model with data smeared
881	smear = self.page_finder[uid].get_smearer(fid=fid)
882
883	# compute weight for the current data
884	weight = self.page_finder[uid].get_weight(fid=fid)
885
886	self.draw_model(model=model, data=data, page_id=uid, smearer=smear,
887	enable1D=enable1D, enable2D=enable2D,
888	qmin=qmin, qmax=qmax, weight=weight)
889
890	def draw_model(self, model, page_id, data=None, smearer=None,
891	enable1D=True, enable2D=False,
892	state=None,
893	fid=None,
894	toggle_mode_on=False,
895	qmin=None, qmax=None,
896	update_chisqr=True, weight=None, source='model'):
897	"""
898	Draw model.
899
900	:param model: the model to draw
901	:param name: the name of the model to draw
902	:param data: the data on which the model is based to be drawn
903	:param description: model's description
904	:param enable1D: if true enable drawing model 1D
905	:param enable2D: if true enable drawing model 2D
906	:param qmin: Range's minimum value to draw model
907	:param qmax: Range's maximum value to draw model
908	:param qstep: number of step to divide the x and y-axis
909	:param update_chisqr: update chisqr [bool]
910
911	"""
912	#self.weight = weight
913	if issubclass(data.__class__, Data1D) or not enable2D:
914	## draw model 1D with no loaded data
915	self._draw_model1D(model=model,
916	data=data,
917	page_id=page_id,
918	enable1D=enable1D,
919	smearer=smearer,
920	qmin=qmin,
921	qmax=qmax,
922	fid=fid,
923	weight=weight,
924	toggle_mode_on=toggle_mode_on,
925	state=state,
926	update_chisqr=update_chisqr,
927	source=source)
928	else:
929	## draw model 2D with no initial data
930	self._draw_model2D(model=model,
931	page_id=page_id,
932	data=data,
933	enable2D=enable2D,
934	smearer=smearer,
935	qmin=qmin,
936	qmax=qmax,
937	fid=fid,
938	weight=weight,
939	state=state,
940	toggle_mode_on=toggle_mode_on,
941	update_chisqr=update_chisqr,
942	source=source)
943
944	def onFit(self, uid):
945	"""
946	Get series of data, model, associates parameters and range and send then
947	to series of fitters. Fit data and model, display result to
948	corresponding panels.
949	:param uid: id related to the panel currently calling this fit function.
950	"""
951	if uid is None: raise RuntimeError("no page to fit") # Should never happen
952
953	sim_page_uid = getattr(self.sim_page, 'uid', None)
954	batch_page_uid = getattr(self.batch_page, 'uid', None)
955
956	if uid == sim_page_uid:
957	fit_type = 'simultaneous'
958	elif uid == batch_page_uid:
959	fit_type = 'combined_batch'
960	else:
961	fit_type = 'single'
962
963	fitter_list = []
964	sim_fitter = None
965	if fit_type == 'simultaneous':
966	# for simultaneous fitting only one fitter is needed
967	sim_fitter = Fit()
968	sim_fitter.fitter_id = self.sim_page.uid
969	fitter_list.append(sim_fitter)
970
971	self.current_pg = None
972	list_page_id = []
973	fit_id = 0
974	for page_id, page_info in self.page_finder.iteritems():
975	# For simulfit (uid give with None), do for-loop
976	# if uid is specified (singlefit), do it only on the page.
977	if page_id in (sim_page_uid, batch_page_uid): continue
978	if fit_type == "single" and page_id != uid: continue
979
980	try:
981	if page_info.get_scheduled() == 1:
982	page_info.nbr_residuals_computed = 0
983	page = self.fit_panel.get_page_by_id(page_id)
984	self.set_fit_weight(uid=page.uid,
985	flag=page.get_weight_flag(),
986	is2d=page._is_2D())
987	if not page.param_toFit:
988	msg = "No fitting parameters for %s" % page.window_caption
989	evt = StatusEvent(status=msg, info="error", type="stop")
990	wx.PostEvent(page.parent.parent, evt)
991	return False
992	if not page._update_paramv_on_fit():
993	msg = "Fitting range or parameter values are"
994	msg += " invalid in %s" % \
995	page.window_caption
996	evt = StatusEvent(status=msg, info="error", type="stop")
997	wx.PostEvent(page.parent.parent, evt)
998	return False
999
1000	pars = [str(element[1]) for element in page.param_toFit]
1001	fitproblem_list = page_info.values()
1002	for fitproblem in fitproblem_list:
1003	if sim_fitter is None:
1004	fitter = Fit()
1005	fitter.fitter_id = page_id
1006	fitter_list.append(fitter)
1007	else:
1008	fitter = sim_fitter
1009	self._add_problem_to_fit(fitproblem=fitproblem,
1010	pars=pars,
1011	fitter=fitter,
1012	fit_id=fit_id)
1013	fit_id += 1
1014	list_page_id.append(page_id)
1015	page_info.clear_model_param()
1016	except KeyboardInterrupt:
1017	msg = "Fitting terminated"
1018	evt = StatusEvent(status=msg, info="info", type="stop")
1019	wx.PostEvent(self.parent, evt)
1020	return True
1021	except:
1022	raise
1023	msg = "Fitting error: %s" % str(sys.exc_value)
1024	evt = StatusEvent(status=msg, info="error", type="stop")
1025	wx.PostEvent(self.parent, evt)
1026	return False
1027	## If a thread is already started, stop it
1028	#if self.calc_fitis not None and self.calc_fit.isrunning():
1029	# self.calc_fit.stop()
1030	msg = "Fitting is in progress..."
1031	wx.PostEvent(self.parent, StatusEvent(status=msg, type="progress"))
1032
1033	#Handler used to display fit message
1034	handler = ConsoleUpdate(parent=self.parent,
1035	manager=self,
1036	improvement_delta=0.1)
1037
1038	# batch fit
1039	batch_inputs = {}
1040	batch_outputs = {}
1041	if fit_type == "simultaneous":
1042	page = self.sim_page
1043	elif fit_type == "combined_batch":
1044	page = self.batch_page
1045	else:
1046	page = self.fit_panel.get_page_by_id(uid)
1047	if page.batch_on:
1048	calc_fit = FitThread(handler=handler,
1049	fn=fitter_list,
1050	pars=pars,
1051	batch_inputs=batch_inputs,
1052	batch_outputs=batch_outputs,
1053	page_id=list_page_id,
1054	completefn=self._batch_fit_complete,
1055	reset_flag=self.batch_reset_flag)
1056	else:
1057	## Perform more than 1 fit at the time
1058	calc_fit = FitThread(handler=handler,
1059	fn=fitter_list,
1060	batch_inputs=batch_inputs,
1061	batch_outputs=batch_outputs,
1062	page_id=list_page_id,
1063	updatefn=handler.update_fit,
1064	completefn=self._fit_completed)
1065	#self.fit_thread_list[current_page_id] = calc_fit
1066	self.fit_thread_list[uid] = calc_fit
1067	calc_fit.queue()
1068	calc_fit.ready(2.5)
1069	msg = "Fitting is in progress..."
1070	wx.PostEvent(self.parent, StatusEvent(status=msg, type="progress"))
1071
1072	return True
1073
1074	def remove_plot(self, uid, fid=None, theory=False):
1075	"""
1076	remove model plot when a fit page is closed
1077	:param uid: the id related to the fitpage to close
1078	:param fid: the id of the fitproblem(data, model, range,etc)
1079	"""
1080	if uid not in self.page_finder.keys():
1081	return
1082	fitproblemList = self.page_finder[uid].get_fit_problem(fid)
1083	for fitproblem in fitproblemList:
1084	data = fitproblem.get_fit_data()
1085	model = fitproblem.get_model()
1086	plot_id = None
1087	if model is not None:
1088	plot_id = data.id + model.name
1089	if theory:
1090	plot_id = data.id + model.name
1091	group_id = data.group_id
1092	wx.PostEvent(self.parent, NewPlotEvent(id=plot_id,
1093	group_id=group_id,
1094	action='remove'))
1095
1096	def store_data(self, uid, data_list=None, caption=None):
1097	"""
1098	Recieve a list of data and store them ans well as a caption of
1099	the fit page where they come from.
1100	:param uid: if related to a fit page
1101	:param data_list: list of data to fit
1102	:param caption: caption of the window related to these data
1103	"""
1104	if data_list is None:
1105	data_list = []
1106
1107	self.page_finder[uid].set_fit_data(data=data_list)
1108	if caption is not None:
1109	self.page_finder[uid].set_fit_tab_caption(caption=caption)
1110
1111	def on_add_new_page(self, event=None):
1112	"""
1113	ask fit panel to create a new empty page
1114	"""
1115	try:
1116	page = self.fit_panel.add_empty_page()
1117	# add data associated to the page created
1118	if page is not None:
1119	evt = StatusEvent(status="Page Created", info="info")
1120	wx.PostEvent(self.parent, evt)
1121	else:
1122	msg = "Page was already Created"
1123	evt = StatusEvent(status=msg, info="warning")
1124	wx.PostEvent(self.parent, evt)
1125	except:
1126	msg = "Creating Fit page: %s" % sys.exc_value
1127	wx.PostEvent(self.parent, StatusEvent(status=msg, info="error"))
1128
1129	def add_fit_page(self, data):
1130	"""
1131	given a data, ask to the fitting panel to create a new fitting page,
1132	get this page and store it into the page_finder of this plug-in
1133	:param data: is a list of data
1134	"""
1135	page = self.fit_panel.set_data(data)
1136	# page could be None when loading state files
1137	if page is None:
1138	return page
1139	#append Data1D to the panel containing its theory
1140	#if theory already plotted
1141	if page.uid in self.page_finder:
1142	data = page.get_data()
1143	theory_data = self.page_finder[page.uid].get_theory_data(data.id)
1144	if issubclass(data.__class__, Data2D):
1145	data.group_id = wx.NewId()
1146	if theory_data is not None:
1147	group_id = str(page.uid) + " Model1D"
1148	wx.PostEvent(self.parent,
1149	NewPlotEvent(group_id=group_id,
1150	action="delete"))
1151	self.parent.update_data(prev_data=theory_data,
1152	new_data=data)
1153	else:
1154	if theory_data is not None:
1155	group_id = str(page.uid) + " Model2D"
1156	data.group_id = theory_data.group_id
1157	wx.PostEvent(self.parent,
1158	NewPlotEvent(group_id=group_id,
1159	action="delete"))
1160	self.parent.update_data(prev_data=theory_data,
1161	new_data=data)
1162	self.store_data(uid=page.uid, data_list=page.get_data_list(),
1163	caption=page.window_caption)
1164	if self.sim_page is not None and not self.batch_on:
1165	self.sim_page.draw_page()
1166	if self.batch_page is not None and self.batch_on:
1167	self.batch_page.draw_page()
1168
1169	return page
1170
1171	def _onEVT_SLICER_PANEL(self, event):
1172	"""
1173	receive and event telling to update a panel with a name starting with
1174	event.panel_name. this method update slicer panel
1175	for a given interactor.
1176
1177	:param event: contains type of slicer , paramaters for updating
1178	the panel and panel_name to find the slicer 's panel concerned.
1179	"""
1180	event.panel_name
1181	for item in self.parent.panels:
1182	name = event.panel_name
1183	if self.parent.panels[item].window_caption.startswith(name):
1184	self.parent.panels[item].set_slicer(event.type, event.params)
1185
1186	#self.parent._mgr.Update()
1187
1188	def _closed_fitpage(self, event):
1189	"""
1190	request fitpanel to close a given page when its unique data is removed
1191	from the plot. close fitpage only when the a loaded data is removed
1192	"""
1193	if event is None or event.data is None:
1194	return
1195	if hasattr(event.data, "is_data"):
1196	if not event.data.is_data or \
1197	event.data.__class__.__name__ == "Data1D":
1198	self.fit_panel.close_page_with_data(event.data)
1199
1200	def _reset_schedule_problem(self, value=0, uid=None):
1201	"""
1202	unschedule or schedule all fitproblem to be fit
1203	"""
1204	# case that uid is not specified
1205	if uid is None:
1206	for page_id in self.page_finder.keys():
1207	self.page_finder[page_id].schedule_tofit(value)
1208	# when uid is given
1209	else:
1210	if uid in self.page_finder.keys():
1211	self.page_finder[uid].schedule_tofit(value)
1212
1213	def _add_problem_to_fit(self, fitproblem, pars, fitter, fit_id):
1214	"""
1215	Create and set fitter with series of data and model
1216	"""
1217	data = fitproblem.get_fit_data()
1218	model = fitproblem.get_model()
1219	smearer = fitproblem.get_smearer()
1220	qmin, qmax = fitproblem.get_range()
1221
1222	#Extra list of parameters and their constraints
1223	listOfConstraint = []
1224	param = fitproblem.get_model_param()
1225	if len(param) > 0:
1226	for item in param:
1227	## check if constraint
1228	if item[0] is not None and item[1] is not None:
1229	listOfConstraint.append((item[0], item[1]))
1230	new_model = model
1231	fitter.set_model(new_model, fit_id, pars, data=data,
1232	constraints=listOfConstraint)
1233	fitter.set_data(data=data, id=fit_id, smearer=smearer, qmin=qmin,
1234	qmax=qmax)
1235	fitter.select_problem_for_fit(id=fit_id, value=1)
1236
1237	def _onSelect(self, event):
1238	"""
1239	when Select data to fit a new page is created .Its reference is
1240	added to self.page_finder
1241	"""
1242	panel = self.plot_panel
1243	if panel is None:
1244	raise ValueError, "Fitting:_onSelect: NonType panel"
1245	Plugin.on_perspective(self, event=event)
1246	self.select_data(panel)
1247
1248	def select_data(self, panel):
1249	"""
1250	"""
1251	for plottable in panel.graph.plottables:
1252	if plottable.__class__.__name__ in ["Data1D", "Theory1D"]:
1253	data_id = panel.graph.selected_plottable
1254	if plottable == panel.plots[data_id]:
1255	data = plottable
1256	self.add_fit_page(data=[data])
1257	return
1258	else:
1259	data = plottable
1260	self.add_fit_page(data=[data])
1261
1262	def update_fit(self, result=None, msg=""):
1263	"""
1264	"""
1265	print("update_fit result", result)
1266
1267	def _batch_fit_complete(self, result, pars, page_id,
1268	batch_outputs, batch_inputs, elapsed=None):
1269	"""
1270	Display fit result in batch
1271	:param result: list of objects received from fitters
1272	:param pars: list of fitted parameters names
1273	:param page_id: list of page ids which called fit function
1274	:param elapsed: time spent at the fitting level
1275	"""
1276	uid = page_id[0]
1277	if uid in self.fit_thread_list.keys():
1278	del self.fit_thread_list[uid]
1279
1280	wx.CallAfter(self._update_fit_button, page_id)
1281	t1 = time.time()
1282	str_time = time.strftime("%a, %d %b %Y %H:%M:%S ", time.localtime(t1))
1283	msg = "Fit completed on %s \n" % str_time
1284	msg += "Duration time: %s s.\n" % str(elapsed)
1285	evt = StatusEvent(status=msg, info="info", type="stop")
1286	wx.PostEvent(self.parent, evt)
1287
1288	if batch_outputs is None:
1289	batch_outputs = {}
1290
1291	# format batch_outputs
1292	batch_outputs["Chi2"] = []
1293	#Don't like these loops
1294	# Need to create dictionary of all fitted parameters
1295	# since the number of parameters can differ between each fit result
1296	for list_res in result:
1297	for res in list_res:
1298	model, data = res.inputs[0]
1299	if model is not None and hasattr(model, "model"):
1300	model = model.model
1301	#get all fittable parameters of the current model
1302	for param in model.getParamList():
1303	if param not in batch_outputs.keys():
1304	batch_outputs[param] = []
1305	for param in model.getDispParamList():
1306	if not model.is_fittable(param) and \
1307	param in batch_outputs.keys():
1308	del batch_outputs[param]
1309	# Add fitted parameters and their error
1310	for param in res.param_list:
1311	if param not in batch_outputs.keys():
1312	batch_outputs[param] = []
1313	err_param = "error on %s" % str(param)
1314	if err_param not in batch_inputs.keys():
1315	batch_inputs[err_param] = []
1316	msg = ""
1317	for list_res in result:
1318	for res in list_res:
1319	pid = res.fitter_id
1320	model, data = res.inputs[0]
1321	correct_result = False
1322	if model is not None and hasattr(model, "model"):
1323	model = model.model
1324	if data is not None and hasattr(data, "sas_data"):
1325	data = data.sas_data
1326
1327	is_data2d = issubclass(data.__class__, Data2D)
1328	#check consistency of arrays
1329	if not is_data2d:
1330	if len(res.theory) == len(res.index[res.index]) and \
1331	len(res.index) == len(data.y):
1332	correct_result = True
1333	else:
1334	copy_data = deepcopy(data)
1335	new_theory = copy_data.data
1336	new_theory[res.index] = res.theory
1337	new_theory[res.index == False] = np.nan
1338	correct_result = True
1339	#get all fittable parameters of the current model
1340	param_list = model.getParamList()
1341	for param in model.getDispParamList():
1342	if not model.is_fittable(param) and \
1343	param in param_list:
1344	param_list.remove(param)
1345	if not correct_result or res.fitness is None or \
1346	not np.isfinite(res.fitness) or \
1347	np.any(res.pvec is None) or not \
1348	np.all(np.isfinite(res.pvec)):
1349	data_name = str(None)
1350	if data is not None:
1351	data_name = str(data.name)
1352	model_name = str(None)
1353	if model is not None:
1354	model_name = str(model.name)
1355	msg += "Data %s and Model %s did not fit.\n" % (data_name,
1356	model_name)
1357	ERROR = np.NAN
1358	cell = BatchCell()
1359	cell.label = res.fitness
1360	cell.value = res.fitness
1361	batch_outputs["Chi2"].append(ERROR)
1362	for param in param_list:
1363	# save value of fixed parameters
1364	if param not in res.param_list:
1365	batch_outputs[str(param)].append(ERROR)
1366	else:
1367	#save only fitted values
1368	batch_outputs[param].append(ERROR)
1369	batch_inputs["error on %s" % str(param)].append(ERROR)
1370	else:
1371	# TODO: Why sometimes res.pvec comes with np.float64?
1372	# probably from scipy lmfit
1373	if res.pvec.__class__ == np.float64:
1374	res.pvec = [res.pvec]
1375
1376	cell = BatchCell()
1377	cell.label = res.fitness
1378	cell.value = res.fitness
1379	batch_outputs["Chi2"].append(cell)
1380	# add parameters to batch_results
1381	for param in param_list:
1382	# save value of fixed parameters
1383	if param not in res.param_list:
1384	batch_outputs[str(param)].append(model.getParam(param))
1385	else:
1386	index = res.param_list.index(param)
1387	#save only fitted values
1388	batch_outputs[param].append(res.pvec[index])
1389	if res.stderr is not None and \
1390	len(res.stderr) == len(res.param_list):
1391	item = res.stderr[index]
1392	batch_inputs["error on %s" % param].append(item)
1393	else:
1394	batch_inputs["error on %s" % param].append('-')
1395	model.setParam(param, res.pvec[index])
1396	#fill the batch result with emtpy value if not in the current
1397	#model
1398	EMPTY = "-"
1399	for key in batch_outputs.keys():
1400	if key not in param_list and key not in ["Chi2", "Data"]:
1401	batch_outputs[key].append(EMPTY)
1402
1403	self.page_finder[pid].set_batch_result(batch_inputs=batch_inputs,
1404	batch_outputs=batch_outputs)
1405
1406	cpage = self.fit_panel.get_page_by_id(pid)
1407	cpage._on_fit_complete()
1408	self.page_finder[pid][data.id].set_result(res)
1409	fitproblem = self.page_finder[pid][data.id]
1410	qmin, qmax = fitproblem.get_range()
1411	plot_result = False
1412	if correct_result:
1413	if not is_data2d:
1414	self._complete1D(x=data.x[res.index], y=res.theory, page_id=pid,
1415	elapsed=None,
1416	index=res.index, model=model,
1417	weight=None, fid=data.id,
1418	toggle_mode_on=False, state=None,
1419	data=data, update_chisqr=False,
1420	source='fit', plot_result=plot_result)
1421	else:
1422	self._complete2D(image=new_theory, data=data,
1423	model=model,
1424	page_id=pid, elapsed=None,
1425	index=res.index,
1426	qmin=qmin,
1427	qmax=qmax, fid=data.id, weight=None,
1428	toggle_mode_on=False, state=None,
1429	update_chisqr=False,
1430	source='fit', plot_result=plot_result)
1431	self.on_set_batch_result(page_id=pid,
1432	fid=data.id,
1433	batch_outputs=batch_outputs,
1434	batch_inputs=batch_inputs)
1435
1436	evt = StatusEvent(status=msg, error="info", type="stop")
1437	wx.PostEvent(self.parent, evt)
1438	# Remove parameters that are not shown
1439	cpage = self.fit_panel.get_page_by_id(uid)
1440	tbatch_outputs = {}
1441	shownkeystr = cpage.get_copy_params()
1442	for key in batch_outputs.keys():
1443	if key in ["Chi2", "Data"] or shownkeystr.count(key) > 0:
1444	tbatch_outputs[key] = batch_outputs[key]
1445
1446	wx.CallAfter(self.parent.on_set_batch_result, tbatch_outputs,
1447	batch_inputs, self.sub_menu)
1448
1449	def on_set_batch_result(self, page_id, fid, batch_outputs, batch_inputs):
1450	"""
1451	"""
1452	pid = page_id
1453	if fid not in self.page_finder[pid]:
1454	return
1455	fitproblem = self.page_finder[pid][fid]
1456	index = self.page_finder[pid].nbr_residuals_computed - 1
1457	residuals = fitproblem.get_residuals()
1458	theory_data = fitproblem.get_theory_data()
1459	data = fitproblem.get_fit_data()
1460	model = fitproblem.get_model()
1461	#fill batch result information
1462	if "Data" not in batch_outputs.keys():
1463	batch_outputs["Data"] = []
1464	from sas.sasgui.guiframe.data_processor import BatchCell
1465	cell = BatchCell()
1466	cell.label = data.name
1467	cell.value = index
1468
1469	if theory_data is not None:
1470	#Suucessful fit
1471	theory_data.id = wx.NewId()
1472	theory_data.name = model.name + "[%s]" % str(data.name)
1473	if issubclass(theory_data.__class__, Data2D):
1474	group_id = wx.NewId()
1475	theory_data.group_id = group_id
1476	if group_id not in theory_data.list_group_id:
1477	theory_data.list_group_id.append(group_id)
1478
1479	try:
1480	# associate residuals plot
1481	if issubclass(residuals.__class__, Data2D):
1482	group_id = wx.NewId()
1483	residuals.group_id = group_id
1484	if group_id not in residuals.list_group_id:
1485	residuals.list_group_id.append(group_id)
1486	batch_outputs["Chi2"][index].object = [residuals]
1487	except:
1488	pass
1489
1490	cell.object = [data, theory_data]
1491	batch_outputs["Data"].append(cell)
1492	for key, value in data.meta_data.iteritems():
1493	if key not in batch_inputs.keys():
1494	batch_inputs[key] = []
1495	#if key.lower().strip() != "loader":
1496	batch_inputs[key].append(value)
1497	param = "temperature"
1498	if hasattr(data.sample, param):
1499	if param not in batch_inputs.keys():
1500	batch_inputs[param] = []
1501	batch_inputs[param].append(data.sample.temperature)
1502
1503	def _fit_completed(self, result, page_id, batch_outputs,
1504	batch_inputs=None, pars=None, elapsed=None):
1505	"""
1506	Display result of the fit on related panel(s).
1507	:param result: list of object generated when fit ends
1508	:param pars: list of names of parameters fitted
1509	:param page_id: list of page ids which called fit function
1510	:param elapsed: time spent at the fitting level
1511	"""
1512	t1 = time.time()
1513	str_time = time.strftime("%a, %d %b %Y %H:%M:%S ", time.localtime(t1))
1514	msg = "Fit completed on %s \n" % str_time
1515	msg += "Duration time: %s s.\n" % str(elapsed)
1516	evt = StatusEvent(status=msg, info="info", type="stop")
1517	wx.PostEvent(self.parent, evt)
1518	wx.PostEvent(self.result_panel, PlotResultEvent(result=result))
1519	wx.CallAfter(self._update_fit_button, page_id)
1520	result = result[0]
1521	self.fit_thread_list = {}
1522	if page_id is None:
1523	page_id = []
1524	## fit more than 1 model at the same time
1525	try:
1526	index = 0
1527	# Update potential simfit page(s)
1528	if self.sim_page is not None:
1529	self.sim_page._on_fit_complete()
1530	if self.batch_page:
1531	self.batch_page._on_fit_complete()
1532	# Update all fit pages
1533	for uid in page_id:
1534	res = result[index]
1535	fit_msg = res.mesg
1536	if res.fitness is None or \
1537	not np.isfinite(res.fitness) or \
1538	np.any(res.pvec is None) or \
1539	not np.all(np.isfinite(res.pvec)):
1540	fit_msg += "\nFitting did not converge!!!"
1541	wx.CallAfter(self._update_fit_button, page_id)
1542	else:
1543	#set the panel when fit result are float not list
1544	if res.pvec.__class__ == np.float64:
1545	pvec = [res.pvec]
1546	else:
1547	pvec = res.pvec
1548	if res.stderr.__class__ == np.float64:
1549	stderr = [res.stderr]
1550	else:
1551	stderr = res.stderr
1552	cpage = self.fit_panel.get_page_by_id(uid)
1553	# Make sure we got all results
1554	#(CallAfter is important to MAC)
1555	try:
1556	#if res is not None:
1557	wx.CallAfter(cpage.onsetValues, res.fitness,
1558	res.param_list,
1559	pvec, stderr)
1560	index += 1
1561	wx.CallAfter(cpage._on_fit_complete)
1562	except KeyboardInterrupt:
1563	fit_msg += "\nSingular point: Fitting stopped."
1564	except:
1565	fit_msg += "\nSingular point: Fitting error occurred."
1566	if fit_msg:
1567	evt = StatusEvent(status=fit_msg, info="warning", type="stop")
1568	wx.PostEvent(self.parent, evt)
1569
1570	except:
1571	msg = ("Fit completed but the following error occurred: %s"
1572	% sys.exc_value)
1573	#import traceback; msg = "\n".join((traceback.format_exc(), msg))
1574	evt = StatusEvent(status=msg, info="warning", type="stop")
1575	wx.PostEvent(self.parent, evt)
1576
1577	def _update_fit_button(self, page_id):
1578	"""
1579	Update Fit button when fit stopped
1580
1581	: parameter page_id: fitpage where the button is
1582	"""
1583	if page_id.__class__.__name__ != 'list':
1584	page_id = [page_id]
1585	for uid in page_id:
1586	page = self.fit_panel.get_page_by_id(uid)
1587	page._on_fit_complete()
1588
1589	def _on_show_panel(self, event):
1590	"""
1591	"""
1592	pass
1593
1594	def on_reset_batch_flag(self, event):
1595	"""
1596	Set batch_reset_flag
1597	"""
1598	event.Skip()
1599	if self.menu1 is None:
1600	return
1601	menu_item = self.menu1.FindItemById(self.id_reset_flag)
1602	flag = menu_item.IsChecked()
1603	if not flag:
1604	menu_item.Check(False)
1605	self.batch_reset_flag = True
1606	else:
1607	menu_item.Check(True)
1608	self.batch_reset_flag = False
1609
1610	## post a message to status bar
1611	msg = "Set Chain Fitting: %s" % str(not self.batch_reset_flag)
1612	wx.PostEvent(self.parent, StatusEvent(status=msg))
1613
1614
1615	def _on_slicer_event(self, event):
1616	"""
1617	Receive a panel as event and send it to guiframe
1618
1619	:param event: event containing a panel
1620
1621	"""
1622	if event.panel is not None:
1623	self.slicer_panels.append(event.panel)
1624	# Set group ID if available
1625	event_id = self.parent.popup_panel(event.panel)
1626	event.panel.uid = event_id
1627	self.mypanels.append(event.panel)
1628
1629	def _onclearslicer(self, event):
1630	"""
1631	Clear the boxslicer when close the panel associate with this slicer
1632	"""
1633	name = event.GetEventObject().frame.GetTitle()
1634	for panel in self.slicer_panels:
1635	if panel.window_caption == name:
1636
1637	for item in self.parent.panels:
1638	if hasattr(self.parent.panels[item], "uid"):
1639	if self.parent.panels[item].uid == panel.base.uid:
1640	self.parent.panels[item].onClearSlicer(event)
1641	#self.parent._mgr.Update()
1642	break
1643	break
1644
1645	def _on_model_panel(self, evt):
1646	"""
1647	react to model selection on any combo box or model menu.plot the model
1648
1649	:param evt: wx.combobox event
1650
1651	"""
1652	model = evt.model
1653	uid = evt.uid
1654	qmin = evt.qmin
1655	qmax = evt.qmax
1656	caption = evt.caption
1657	enable_smearer = evt.enable_smearer
1658	if model is None:
1659	return
1660	if uid not in self.page_finder.keys():
1661	return
1662	# save the name containing the data name with the appropriate model
1663	self.page_finder[uid].set_model(model)
1664	self.page_finder[uid].enable_smearing(enable_smearer)
1665	self.page_finder[uid].set_range(qmin=qmin, qmax=qmax)
1666	self.page_finder[uid].set_fit_tab_caption(caption=caption)
1667	if self.sim_page is not None and not self.batch_on:
1668	self.sim_page.draw_page()
1669	if self.batch_page is not None and self.batch_on:
1670	self.batch_page.draw_page()
1671
1672	def _update1D(self, x, output):
1673	"""
1674	Update the output of plotting model 1D
1675	"""
1676	msg = "Plot updating ... "
1677	wx.PostEvent(self.parent, StatusEvent(status=msg, type="update"))
1678
1679	def create_theory_1D(self, x, y, page_id, model, data, state,
1680	data_description, data_id, dy=None):
1681	"""
1682	Create a theory object associate with an existing Data1D
1683	and add it to the data manager.
1684	@param x: x-values of the data
1685	@param y: y_values of the data
1686	@param page_id: fit page ID
1687	@param model: model used for fitting
1688	@param data: Data1D object to create the theory for
1689	@param state: model state
1690	@param data_description: title to use in the data manager
1691	@param data_id: unique data ID
1692	"""
1693	new_plot = Data1D(x=x, y=y)
1694	if dy is None:
1695	new_plot.is_data = False
1696	new_plot.dy = np.zeros(len(y))
1697	# If this is a theory curve, pick the proper symbol to make it a curve
1698	new_plot.symbol = GUIFRAME_ID.CURVE_SYMBOL_NUM
1699	else:
1700	new_plot.is_data = True
1701	new_plot.dy = dy
1702	new_plot.interactive = True
1703	new_plot.dx = None
1704	new_plot.dxl = None
1705	new_plot.dxw = None
1706	_yaxis, _yunit = data.get_yaxis()
1707	_xaxis, _xunit = data.get_xaxis()
1708	new_plot.title = data.name
1709	new_plot.group_id = data.group_id
1710	if new_plot.group_id is None:
1711	new_plot.group_id = data.group_id
1712	new_plot.id = data_id
1713	# Find if this theory was already plotted and replace that plot given
1714	# the same id
1715	self.page_finder[page_id].get_theory_data(fid=data.id)
1716
1717	if data.is_data:
1718	data_name = str(data.name)
1719	else:
1720	data_name = str(model.__class__.__name__)
1721
1722	new_plot.name = data_description + " [" + data_name + "]"
1723	new_plot.xaxis(_xaxis, _xunit)
1724	new_plot.yaxis(_yaxis, _yunit)
1725	self.page_finder[page_id].set_theory_data(data=new_plot,
1726	fid=data.id)
1727	self.parent.update_theory(data_id=data.id, theory=new_plot,
1728	state=state)
1729	return new_plot
1730
1731	def _complete1D(self, x, y, page_id, elapsed, index, model,
1732	weight=None, fid=None,
1733	toggle_mode_on=False, state=None,
1734	data=None, update_chisqr=True,
1735	source='model', plot_result=True,
1736	unsmeared_model=None, unsmeared_data=None,
1737	unsmeared_error=None, sq_model=None, pq_model=None):
1738	"""
1739	Complete plotting 1D data
1740	@param unsmeared_model: fit model, without smearing
1741	@param unsmeared_data: data, rescaled to unsmeared model
1742	@param unsmeared_error: data error, rescaled to unsmeared model
1743	"""
1744
1745	number_finite = np.count_nonzero(np.isfinite(y))
1746	np.nan_to_num(y)
1747	new_plot = self.create_theory_1D(x, y, page_id, model, data, state,
1748	data_description=model.name,
1749	data_id=str(page_id) + " " + data.name)
1750	if unsmeared_model is not None:
1751	self.create_theory_1D(x, unsmeared_model, page_id, model, data, state,
1752	data_description=model.name + " unsmeared",
1753	data_id=str(page_id) + " " + data.name + " unsmeared")
1754
1755	if unsmeared_data is not None and unsmeared_error is not None:
1756	self.create_theory_1D(x, unsmeared_data, page_id, model, data, state,
1757	data_description="Data unsmeared",
1758	data_id="Data " + data.name + " unsmeared",
1759	dy=unsmeared_error)
1760	# Comment this out until we can get P*S models with correctly populated parameters
1761	#if sq_model is not None and pq_model is not None:
1762	# self.create_theory_1D(x, sq_model, page_id, model, data, state,
1763	# data_description=model.name + " S(q)",
1764	# data_id=str(page_id) + " " + data.name + " S(q)")
1765	# self.create_theory_1D(x, pq_model, page_id, model, data, state,
1766	# data_description=model.name + " P(q)",
1767	# data_id=str(page_id) + " " + data.name + " P(q)")
1768
1769	current_pg = self.fit_panel.get_page_by_id(page_id)
1770	title = new_plot.title
1771	batch_on = self.fit_panel.get_page_by_id(page_id).batch_on
1772	if not batch_on:
1773	wx.PostEvent(self.parent, NewPlotEvent(plot=new_plot, title=str(title)))
1774	elif plot_result:
1775	top_data_id = self.fit_panel.get_page_by_id(page_id).data.id
1776	if data.id == top_data_id:
1777	wx.PostEvent(self.parent, NewPlotEvent(plot=new_plot, title=str(title)))
1778	caption = current_pg.window_caption
1779	self.page_finder[page_id].set_fit_tab_caption(caption=caption)
1780
1781	self.page_finder[page_id].set_theory_data(data=new_plot,
1782	fid=data.id)
1783	if toggle_mode_on:
1784	wx.PostEvent(self.parent,
1785	NewPlotEvent(group_id=str(page_id) + " Model2D",
1786	action="Hide"))
1787	else:
1788	if update_chisqr:
1789	wx.PostEvent(current_pg,
1790	Chi2UpdateEvent(output=self._cal_chisqr(
1791	data=data,
1792	fid=fid,
1793	weight=weight,
1794	page_id=page_id,
1795	index=index)))
1796	else:
1797	self._plot_residuals(page_id=page_id, data=data, fid=fid,
1798	index=index, weight=weight)
1799
1800	if not number_finite:
1801	logger.error("Using the present parameters the model does not return any finite value. ")
1802	msg = "Computing Error: Model did not return any finite value."
1803	wx.PostEvent(self.parent, StatusEvent(status = msg, info="error"))
1804	else:
1805	msg = "Computation completed!"
1806	if number_finite != y.size:
1807	msg += ' PROBLEM: For some Q values the model returns non finite intensities!'
1808	logger.error("For some Q values the model returns non finite intensities.")
1809	wx.PostEvent(self.parent, StatusEvent(status=msg, type="stop"))
1810
1811	def _calc_exception(self, etype, value, tb):
1812	"""
1813	Handle exception from calculator by posting it as an error.
1814	"""
1815	logger.error("".join(traceback.format_exception(etype, value, tb)))
1816	msg = traceback.format_exception(etype, value, tb, limit=1)
1817	evt = StatusEvent(status="".join(msg), type="stop", info="error")
1818	wx.PostEvent(self.parent, evt)
1819
1820	def _update2D(self, output, time=None):
1821	"""
1822	Update the output of plotting model
1823	"""
1824	msg = "Plot updating ... "
1825	wx.PostEvent(self.parent, StatusEvent(msg, type="update"))
1826
1827	def _complete2D(self, image, data, model, page_id, elapsed, index, qmin,
1828	qmax, fid=None, weight=None, toggle_mode_on=False, state=None,
1829	update_chisqr=True, source='model', plot_result=True):
1830	"""
1831	Complete get the result of modelthread and create model 2D
1832	that can be plot.
1833	"""
1834	number_finite = np.count_nonzero(np.isfinite(image))
1835	np.nan_to_num(image)
1836	new_plot = Data2D(image=image, err_image=data.err_data)
1837	new_plot.name = model.name + '2d'
1838	new_plot.title = "Analytical model 2D "
1839	new_plot.id = str(page_id) + " " + data.name
1840	new_plot.group_id = str(page_id) + " Model2D"
1841	new_plot.detector = data.detector
1842	new_plot.source = data.source
1843	new_plot.is_data = False
1844	new_plot.qx_data = data.qx_data
1845	new_plot.qy_data = data.qy_data
1846	new_plot.q_data = data.q_data
1847	new_plot.mask = data.mask
1848	## plot boundaries
1849	new_plot.ymin = data.ymin
1850	new_plot.ymax = data.ymax
1851	new_plot.xmin = data.xmin
1852	new_plot.xmax = data.xmax
1853	title = data.title
1854
1855	new_plot.is_data = False
1856	if data.is_data:
1857	data_name = str(data.name)
1858	else:
1859	data_name = str(model.__class__.__name__) + '2d'
1860
1861	if len(title) > 1:
1862	new_plot.title = "Model2D for %s " % model.name + data_name
1863	new_plot.name = model.name + " [" + \
1864	data_name + "]"
1865	theory_data = deepcopy(new_plot)
1866
1867	self.page_finder[page_id].set_theory_data(data=theory_data,
1868	fid=data.id)
1869	self.parent.update_theory(data_id=data.id,
1870	theory=new_plot,
1871	state=state)
1872	current_pg = self.fit_panel.get_page_by_id(page_id)
1873	title = new_plot.title
1874	if not source == 'fit' and plot_result:
1875	wx.PostEvent(self.parent, NewPlotEvent(plot=new_plot,
1876	title=title))
1877	if toggle_mode_on:
1878	wx.PostEvent(self.parent,
1879	NewPlotEvent(group_id=str(page_id) + " Model1D",
1880	action="Hide"))
1881	else:
1882	# Chisqr in fitpage
1883	if update_chisqr:
1884	wx.PostEvent(current_pg,
1885	Chi2UpdateEvent(output=self._cal_chisqr(data=data,
1886	weight=weight,
1887	fid=fid,
1888	page_id=page_id,
1889	index=index)))
1890	else:
1891	self._plot_residuals(page_id=page_id, data=data, fid=fid,
1892	index=index, weight=weight)
1893
1894	if not number_finite:
1895	logger.error("Using the present parameters the model does not return any finite value. ")
1896	msg = "Computing Error: Model did not return any finite value."
1897	wx.PostEvent(self.parent, StatusEvent(status = msg, info="error"))
1898	else:
1899	msg = "Computation completed!"
1900	if number_finite != image.size:
1901	msg += ' PROBLEM: For some Qx,Qy values the model returns non finite intensities!'
1902	logger.error("For some Qx,Qy values the model returns non finite intensities.")
1903	wx.PostEvent(self.parent, StatusEvent(status=msg, type="stop"))
1904
1905	def _draw_model2D(self, model, page_id, qmin,
1906	qmax,
1907	data=None, smearer=None,
1908	description=None, enable2D=False,
1909	state=None,
1910	fid=None,
1911	weight=None,
1912	toggle_mode_on=False,
1913	update_chisqr=True, source='model'):
1914	"""
1915	draw model in 2D
1916
1917	:param model: instance of the model to draw
1918	:param description: the description of the model
1919	:param enable2D: when True allows to draw model 2D
1920	:param qmin: the minimum value to draw model 2D
1921	:param qmax: the maximum value to draw model 2D
1922	:param qstep: the number of division of Qx and Qy of the model to draw
1923
1924	"""
1925	if not enable2D:
1926	return None
1927	try:
1928	from model_thread import Calc2D
1929	## If a thread is already started, stop it
1930	if (self.calc_2D is not None) and self.calc_2D.isrunning():
1931	self.calc_2D.stop()
1932	## stop just raises a flag to tell the thread to kill
1933	## itself -- see the fix in Calc1D implemented to fix
1934	## an actual problem. Seems the fix should also go here
1935	## and may be the cause of other noted instabilities
1936	##
1937	## -PDB August 12, 2014
1938	while self.calc_2D.isrunning():
1939	time.sleep(0.1)
1940	self.calc_2D = Calc2D(model=model,
1941	data=data,
1942	page_id=page_id,
1943	smearer=smearer,
1944	qmin=qmin,
1945	qmax=qmax,
1946	weight=weight,
1947	fid=fid,
1948	toggle_mode_on=toggle_mode_on,
1949	state=state,
1950	completefn=self._complete2D,
1951	update_chisqr=update_chisqr,
1952	exception_handler=self._calc_exception,
1953	source=source)
1954	self.calc_2D.queue()
1955	except:
1956	raise
1957
1958	def _draw_model1D(self, model, page_id, data,
1959	qmin, qmax, smearer=None,
1960	state=None,
1961	weight=None,
1962	fid=None,
1963	toggle_mode_on=False, update_chisqr=True, source='model',
1964	enable1D=True):
1965	"""
1966	Draw model 1D from loaded data1D
1967
1968	:param data: loaded data
1969	:param model: the model to plot
1970
1971	"""
1972	if not enable1D:
1973	return
1974	try:
1975	from model_thread import Calc1D
1976	## If a thread is already started, stop it
1977	if (self.calc_1D is not None) and self.calc_1D.isrunning():
1978	self.calc_1D.stop()
1979	## stop just raises the flag -- the thread is supposed to
1980	## then kill itself but cannot. Paul Kienzle came up with
1981	## this fix to prevent threads from stepping on each other
1982	## which was causing a simple custom plugin model to crash
1983	##Sasview.
1984	## We still don't know why the fit sometimes lauched a second
1985	## thread -- something which should also be investigated.
1986	## The thread approach was implemented in order to be able
1987	## to lauch a computation in a separate thread from the GUI so
1988	## that the GUI can still respond to user input including
1989	## a request to stop the computation.
1990	## It seems thus that the whole thread approach used here
1991	## May need rethinking
1992	##
1993	## -PDB August 12, 2014
1994	while self.calc_1D.isrunning():
1995	time.sleep(0.1)
1996	self.calc_1D = Calc1D(data=data,
1997	model=model,
1998	page_id=page_id,
1999	qmin=qmin,
2000	qmax=qmax,
2001	smearer=smearer,
2002	state=state,
2003	weight=weight,
2004	fid=fid,
2005	toggle_mode_on=toggle_mode_on,
2006	completefn=self._complete1D,
2007	#updatefn = self._update1D,
2008	update_chisqr=update_chisqr,
2009	exception_handler=self._calc_exception,
2010	source=source)
2011	self.calc_1D.queue()
2012	except:
2013	msg = " Error occurred when drawing %s Model 1D: " % model.name
2014	msg += " %s" % sys.exc_value
2015	wx.PostEvent(self.parent, StatusEvent(status=msg))
2016
2017	def _cal_chisqr(self, page_id, data, weight, fid=None, index=None):
2018	"""
2019	Get handy Chisqr using the output from draw1D and 2D,
2020	instead of calling expansive CalcChisqr in guithread
2021	"""
2022	try:
2023	data_copy = deepcopy(data)
2024	except:
2025	return
2026	# default chisqr
2027	chisqr = None
2028	#to compute chisq make sure data has valid data
2029	# return None if data is None
2030	if not check_data_validity(data_copy) or data_copy is None:
2031	return chisqr
2032
2033	# Get data: data I, theory I, and data dI in order
2034	if data_copy.__class__.__name__ == "Data2D":
2035	if index is None:
2036	index = np.ones(len(data_copy.data), dtype=bool)
2037	if weight is not None:
2038	data_copy.err_data = weight
2039	# get rid of zero error points
2040	index = index & (data_copy.err_data != 0)
2041	index = index & (np.isfinite(data_copy.data))
2042	fn = data_copy.data[index]
2043	theory_data = self.page_finder[page_id].get_theory_data(fid=data_copy.id)
2044	if theory_data is None:
2045	return chisqr
2046	gn = theory_data.data[index]
2047	en = data_copy.err_data[index]
2048	else:
2049	# 1 d theory from model_thread is only in the range of index
2050	if index is None:
2051	index = np.ones(len(data_copy.y), dtype=bool)
2052	if weight is not None:
2053	data_copy.dy = weight
2054	if data_copy.dy is None or data_copy.dy == []:
2055	dy = np.ones(len(data_copy.y))
2056	else:
2057	## Set consistently w/AbstractFitengine:
2058	# But this should be corrected later.
2059	dy = deepcopy(data_copy.dy)
2060	dy[dy == 0] = 1
2061	fn = data_copy.y[index]
2062
2063	theory_data = self.page_finder[page_id].get_theory_data(fid=data_copy.id)
2064	if theory_data is None:
2065	return chisqr
2066	gn = theory_data.y
2067	en = dy[index]
2068
2069	# residual
2070	try:
2071	res = (fn - gn) / en
2072	except ValueError:
2073	print("Unmatch lengths %s, %s, %s" % (len(fn), len(gn), len(en)))
2074	return
2075
2076	residuals = res[np.isfinite(res)]
2077	# get chisqr only w/finite
2078	chisqr = np.average(residuals * residuals)
2079
2080	self._plot_residuals(page_id=page_id, data=data_copy,
2081	fid=fid,
2082	weight=weight, index=index)
2083
2084	return chisqr
2085
2086	def _plot_residuals(self, page_id, weight, fid=None,
2087	data=None, index=None):
2088	"""
2089	Plot the residuals
2090
2091	:param data: data
2092	:param index: index array (bool)
2093	: Note: this is different from the residuals in cal_chisqr()
2094	"""
2095	data_copy = deepcopy(data)
2096	# Get data: data I, theory I, and data dI in order
2097	if data_copy.__class__.__name__ == "Data2D":
2098	# build residuals
2099	residuals = Data2D()
2100	#residuals.copy_from_datainfo(data)
2101	# Not for trunk the line below, instead use the line above
2102	data_copy.clone_without_data(len(data_copy.data), residuals)
2103	residuals.data = None
2104	fn = data_copy.data
2105	theory_data = self.page_finder[page_id].get_theory_data(fid=data_copy.id)
2106	gn = theory_data.data
2107	if weight is None:
2108	en = data_copy.err_data
2109	else:
2110	en = weight
2111	residuals.data = (fn - gn) / en
2112	residuals.qx_data = data_copy.qx_data
2113	residuals.qy_data = data_copy.qy_data
2114	residuals.q_data = data_copy.q_data
2115	residuals.err_data = np.ones(len(residuals.data))
2116	residuals.xmin = min(residuals.qx_data)
2117	residuals.xmax = max(residuals.qx_data)
2118	residuals.ymin = min(residuals.qy_data)
2119	residuals.ymax = max(residuals.qy_data)
2120	residuals.q_data = data_copy.q_data
2121	residuals.mask = data_copy.mask
2122	residuals.scale = 'linear'
2123	# check the lengths
2124	if len(residuals.data) != len(residuals.q_data):
2125	return
2126	else:
2127	# 1 d theory from model_thread is only in the range of index
2128	if data_copy.dy is None or data_copy.dy == []:
2129	dy = np.ones(len(data_copy.y))
2130	else:
2131	if weight is None:
2132	dy = np.ones(len(data_copy.y))
2133	## Set consitently w/AbstractFitengine:
2134	## But this should be corrected later.
2135	else:
2136	dy = weight
2137	dy[dy == 0] = 1
2138	fn = data_copy.y[index]
2139	theory_data = self.page_finder[page_id].get_theory_data(fid=data_copy.id)
2140	gn = theory_data.y
2141	en = dy[index]
2142	# build residuals
2143	residuals = Data1D()
2144	try:
2145	residuals.y = (fn - gn) / en
2146	except:
2147	msg = "ResidualPlot Error: different # of data points in theory"
2148	wx.PostEvent(self.parent, StatusEvent(status=msg, info="error"))
2149	residuals.y = (fn - gn[index]) / en
2150	residuals.x = data_copy.x[index]
2151	residuals.dy = np.ones(len(residuals.y))
2152	residuals.dx = None
2153	residuals.dxl = None
2154	residuals.dxw = None
2155	residuals.ytransform = 'y'
2156	# For latter scale changes
2157	residuals.xaxis('\\rm{Q} ', 'A^{-1}')
2158	residuals.yaxis('\\rm{Residuals} ', 'normalized')
2159	theory_name = str(theory_data.name.split()[0])
2160	new_plot = residuals
2161	new_plot.name = "Residuals for " + str(theory_name) + "[" + \
2162	str(data.name) + "]"
2163	## allow to highlight data when plotted
2164	new_plot.interactive = True
2165	## when 2 data have the same id override the 1 st plotted
2166	new_plot.id = "res" + str(data_copy.id) + str(theory_name)
2167	##group_id specify on which panel to plot this data
2168	group_id = self.page_finder[page_id].get_graph_id()
2169	if group_id is None:
2170	group_id = data.group_id
2171	new_plot.group_id = "res" + str(group_id)
2172	#new_plot.is_data = True
2173	##post data to plot
2174	title = new_plot.name
2175	self.page_finder[page_id].set_residuals(residuals=new_plot,
2176	fid=data.id)
2177	self.parent.update_theory(data_id=data.id, theory=new_plot)
2178	batch_on = self.fit_panel.get_page_by_id(page_id).batch_on
2179	if not batch_on:
2180	wx.PostEvent(self.parent, NewPlotEvent(plot=new_plot, title=title))

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SasView

source: sasview/src/sas/sasgui/perspectives/fitting/fitting.py @ a06ee7e

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