inversion_panel.py @ 4e9583c

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 4e9583c was f5038c06, checked in by Gervaise Alina <gervyh@…>, 14 years ago
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1	#!/usr/bin/env python
2
3	# version
4	__id__ = "$Id: aboutdialog.py 1193 2007-05-03 17:29:59Z dmitriy $"
5	__revision__ = "$Revision: 1193 $"
6
7	import wx
8	import os
9	import sys
10	import logging
11	from wx.lib.scrolledpanel import ScrolledPanel
12	from sans.guicomm.events import StatusEvent
13	from inversion_state import InversionState
14	from pr_widgets import PrTextCtrl, DataFileTextCtrl, OutputTextCtrl
15
16
17
18	class InversionControl(ScrolledPanel):
19	"""
20	"""
21	window_name = 'pr_control'
22	window_caption = "P(r) control panel"
23	CENTER_PANE = True
24
25	# Figure of merit parameters [default]
26
27	## Oscillation parameters (sin function = 1.1)
28	oscillation_max = 1.5
29
30	def __init__(self, parent, id = -1, plots = None, standalone=False, **kwargs):
31	"""
32	"""
33	ScrolledPanel.__init__(self, parent, id = id, **kwargs)
34	self.SetupScrolling()
35
36	self.plots = plots
37	self.radio_buttons = {}
38	self.parent = parent
39
40	## Data file TextCtrl
41	self.data_file = None
42	self.plot_data = None
43	self.nfunc_ctl = None
44	self.alpha_ctl = None
45	self.dmax_ctl = None
46	self.time_ctl = None
47	self.chi2_ctl = None
48	self.osc_ctl = None
49	self.file_radio = None
50	self.plot_radio = None
51	self.label_sugg = None
52	self.qmin_ctl = None
53	self.qmax_ctl = None
54	self.swidth_ctl = None
55	self.sheight_ctl = None
56
57	self.rg_ctl = None
58	self.iq0_ctl = None
59	self.bck_chk = None
60	self.bck_ctl = None
61
62	# TextCtrl for fraction of positive P(r)
63	self.pos_ctl = None
64
65	# TextCtrl for fraction of 1 sigma positive P(r)
66	self.pos_err_ctl = None
67
68	## Estimates
69	self.alpha_estimate_ctl = None
70	self.nterms_estimate_ctl = None
71
72	## D_max distance explorator
73	self.distance_explorator_ctl = None
74
75	## Data manager
76	self.manager = None
77
78	## Standalone flage
79	self.standalone = standalone
80
81	## Default file location for save
82	self._default_save_location = os.getcwd()
83
84
85	# Default width
86	self._default_width = 350
87	self._do_layout()
88
89	def __setattr__(self, name, value):
90	"""
91	Allow direct hooks to text boxes
92	"""
93	if name=='nfunc':
94	self.nfunc_ctl.SetValue(str(int(value)))
95	elif name=='d_max':
96	self.dmax_ctl.SetValue(str(value))
97	elif name=='alpha':
98	self.alpha_ctl.SetValue(str(value))
99	elif name=='chi2':
100	self.chi2_ctl.SetValue("%-5.2g" % value)
101	elif name=='bck':
102	self.bck_ctl.SetValue("%-5.2g" % value)
103	elif name=='q_min':
104	self.qmin_ctl.SetValue("%-5.2g" % value)
105	elif name=='q_max':
106	self.qmax_ctl.SetValue("%-5.2g" % value)
107	elif name=='elapsed':
108	self.time_ctl.SetValue("%-5.2g" % value)
109	elif name=='rg':
110	self.rg_ctl.SetValue("%-5.2g" % value)
111	elif name=='iq0':
112	self.iq0_ctl.SetValue("%-5.2g" % value)
113	elif name=='oscillation':
114	self.osc_ctl.SetValue("%-5.2g" % value)
115	elif name=='slit_width':
116	self.swidth_ctl.SetValue("%-5.2g" % value)
117	elif name=='slit_height':
118	self.sheight_ctl.SetValue("%-5.2g" % value)
119	elif name=='positive':
120	self.pos_ctl.SetValue("%-5.2g" % value)
121	elif name=='pos_err':
122	self.pos_err_ctl.SetValue("%-5.2g" % value)
123	elif name=='alpha_estimate':
124	self.alpha_estimate_ctl.SetToolTipString("Click to accept value.")
125	self.alpha_estimate_ctl.Enable(True)
126	self.alpha_estimate_ctl.SetLabel("%-3.1g" % value)
127	#self.alpha_estimate_ctl.Show()
128	#self.label_sugg.Show()
129	elif name=='nterms_estimate':
130	self.nterms_estimate_ctl.SetToolTipString("Click to accept value.")
131	self.nterms_estimate_ctl.Enable(True)
132	self.nterms_estimate_ctl.SetLabel("%-g" % value)
133	elif name=='plotname':
134	self.plot_data.SetValue(str(value))
135	self._on_pars_changed(None)
136	elif name=='datafile':
137	self.plot_data.SetValue(str(value))
138	self._on_pars_changed(None)
139	else:
140	wx.Panel.__setattr__(self, name, value)
141
142	def __getattr__(self, name):
143	"""
144	Allow direct hooks to text boxes
145	"""
146	if name=='nfunc':
147	try:
148	return int(self.nfunc_ctl.GetValue())
149	except:
150	return -1
151	elif name=='d_max':
152	try:
153	return self.dmax_ctl.GetValue()
154	except:
155	return -1.0
156	elif name=='alpha':
157	try:
158	return self.alpha_ctl.GetValue()
159	except:
160	return -1.0
161	elif name=='chi2':
162	try:
163	return float(self.chi2_ctl.GetValue())
164	except:
165	return None
166	elif name=='bck':
167	try:
168	return float(self.bck_ctl.GetValue())
169	except:
170	return None
171	elif name=='q_min':
172	try:
173	return float(self.qmin_ctl.GetValue())
174	except:
175	return 0.0
176	elif name=='q_max':
177	try:
178	return float(self.qmax_ctl.GetValue())
179	except:
180	return 0.0
181	elif name=='elapsed':
182	try:
183	return float(self.time_ctl.GetValue())
184	except:
185	return None
186	elif name=='rg':
187	try:
188	return float(self.rg_ctl.GetValue())
189	except:
190	return None
191	elif name=='iq0':
192	try:
193	return float(self.iq0_ctl.GetValue())
194	except:
195	return None
196	elif name=='oscillation':
197	try:
198	return float(self.osc_ctl.GetValue())
199	except:
200	return None
201	elif name=='slit_width':
202	try:
203	return float(self.swidth_ctl.GetValue())
204	except:
205	return None
206	elif name=='slit_height':
207	try:
208	return float(self.sheight_ctl.GetValue())
209	except:
210	return None
211	elif name=='pos':
212	try:
213	return float(self.pos_ctl.GetValue())
214	except:
215	return None
216	elif name=='pos_err':
217	try:
218	return float(self.pos_err_ctl.GetValue())
219	except:
220	return None
221	elif name=='alpha_estimate':
222	try:
223	return float(self.alpha_estimate_ctl.GetLabel())
224	except:
225	return None
226	elif name=='nterms_estimate':
227	try:
228	return int(self.nterms_estimate_ctl.GetLabel())
229	except:
230	return None
231	elif name=='plotname':
232	return self.plot_data.GetValue()
233	elif name=='datafile':
234	return self.plot_data.GetValue()
235	else:
236	return wx.Panel.__getattribute__(self, name)
237
238	def _save_state(self, evt=None):
239	"""
240	Method used to create a memento of the current state
241
242	:return: state object
243	"""
244	# Ask the user the location of the file to write to.
245	path = None
246	dlg = wx.FileDialog(self, "Choose a file", self._default_save_location, "", "*.prv", wx.SAVE)
247	if dlg.ShowModal() == wx.ID_OK:
248	path = dlg.GetPath()
249	self._default_save_location = os.path.dirname(path)
250	else:
251	return None
252
253	dlg.Destroy()
254
255	# Construct the state object
256	state = InversionState()
257
258	# Read the panel's parameters
259	flag, alpha, dmax, nfunc, qmin, \
260	qmax, height, width = self._read_pars()
261
262	state.nfunc = nfunc
263	state.d_max = dmax
264	state.alpha = alpha
265	state.qmin = qmin
266	state.qmax = qmax
267	state.width = width
268	state.height = height
269
270	# Data file
271	state.file = self.plot_data.GetValue()
272
273	# Background evaluation checkbox
274	state.estimate_bck = self.bck_chk.IsChecked()
275
276	# Estimates
277	state.nterms_estimate = self.nterms_estimate
278	state.alpha_estimate = self.alpha_estimate
279
280	# Read the output values
281	state.chi2 = self.chi2
282	state.elapsed = self.elapsed
283	state.osc = self.oscillation
284	state.pos = self.pos
285	state.pos_err = self.pos_err
286	state.rg = self.rg
287	state.iq0 = self.iq0
288	state.bck = self.bck
289
290	self.manager.save_data(filepath=path, prstate=state)
291
292	return state
293
294	def set_state(self, state):
295	"""
296	Set the state of the panel and inversion problem to
297	the state passed as a parameter.
298	Execute the inversion immediately after filling the
299	controls.
300
301	:param state: InversionState object
302	"""
303	if state.nfunc is not None:
304	self.nfunc = state.nfunc
305	if state.d_max is not None:
306	self.d_max = state.d_max
307	if state.alpha is not None:
308	self.alpha = state.alpha
309	if state.qmin is not None:
310	self.q_min = state.qmin
311	if state.qmax is not None:
312	self.q_max = state.qmax
313	if state.width is not None:
314	self.slit_width = state.width
315	if state.height is not None:
316	self.slit_height = state.height
317
318	# Data file
319	self.plot_data.SetValue(str(state.file))
320
321	# Background evaluation checkbox
322	self.bck_chk.SetValue(state.estimate_bck)
323
324	# Estimates
325	if state.nterms_estimate is not None:
326	self.nterms_estimate = state.nterms_estimate
327	if state.alpha_estimate is not None:
328	self.alpha_estimate = state.alpha_estimate
329
330
331	# Read the output values
332	if state.chi2 is not None:
333	self.chi2 = state.chi2
334	if state.elapsed is not None:
335	self.elapsed = state.elapsed
336	if state.osc is not None:
337	self.oscillation = state.osc
338	if state.pos is not None:
339	self.positive = state.pos
340	if state.pos_err is not None:
341	self.pos_err = state.pos_err
342	if state.rg is not None:
343	self.rg = state.rg
344	if state.iq0 is not None:
345	self.iq0 = state.iq0
346	if state.bck is not None:
347	self.bck = state.bck
348
349	# Perform inversion
350	if self.standalone == False:
351	self._on_invert(None)
352
353	def set_manager(self, manager):
354	self.manager = manager
355
356	def _do_layout(self):
357	vbox = wx.GridBagSizer(0,0)
358	iy_vb = 0
359
360	# ----- I(q) data -----
361	databox = wx.StaticBox(self, -1, "I(q) data source")
362
363	boxsizer1 = wx.StaticBoxSizer(databox, wx.VERTICAL)
364	boxsizer1.SetMinSize((self._default_width,50))
365	pars_sizer = wx.GridBagSizer(5,5)
366
367	iy = 0
368	self.file_radio = wx.StaticText(self, -1, "Data:")
369	pars_sizer.Add(self.file_radio, (iy,0), (1,1), wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
370
371	self.plot_data = DataFileTextCtrl(self, -1, size=(260,20))
372
373	pars_sizer.Add(self.plot_data, (iy,1), (1,1), wx.EXPAND\|wx.LEFT\|wx.RIGHT\|wx.ADJUST_MINSIZE, 15)
374
375	self.bck_chk = wx.CheckBox(self, -1, "Estimate background level")
376	self.bck_chk.SetToolTipString("Check box to let the fit estimate the constant background level.")
377	self.bck_chk.Bind(wx.EVT_CHECKBOX, self._on_pars_changed)
378	iy += 1
379	pars_sizer.Add(self.bck_chk, (iy,0), (1,2), wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
380	boxsizer1.Add(pars_sizer, 0, wx.EXPAND)
381	vbox.Add(boxsizer1, (iy_vb,0), (1,1), wx.LEFT\|wx.RIGHT\|wx.EXPAND\|wx.ADJUST_MINSIZE\|wx.TOP, 5)
382
383	# ----- Add slit parameters -----
384	if True:
385	sbox = wx.StaticBox(self, -1, "Slit parameters")
386	sboxsizer = wx.StaticBoxSizer(sbox, wx.VERTICAL)
387	sboxsizer.SetMinSize((self._default_width,20))
388
389	sizer_slit = wx.GridBagSizer(5,5)
390
391	label_sheight = wx.StaticText(self, -1, "Height", size=(40,20))
392	label_swidth = wx.StaticText(self, -1, "Width", size=(40,20))
393	#label_sunits1 = wx.StaticText(self, -1, "[A^(-1)]")
394	label_sunits2 = wx.StaticText(self, -1, "[A^(-1)]", size=(55,20))
395	self.sheight_ctl = PrTextCtrl(self, -1, style=wx.TE_PROCESS_ENTER, size=(60,20))
396	self.swidth_ctl = PrTextCtrl(self, -1, style=wx.TE_PROCESS_ENTER, size=(60,20))
397	self.sheight_ctl.SetToolTipString("Enter slit height in units of Q or leave blank.")
398	self.swidth_ctl.SetToolTipString("Enter slit width in units of Q or leave blank.")
399	#self.sheight_ctl.Bind(wx.EVT_TEXT, self._on_pars_changed)
400	#self.swidth_ctl.Bind(wx.EVT_TEXT, self._on_pars_changed)
401
402	iy = 0
403	sizer_slit.Add(label_sheight, (iy,0), (1,1), wx.LEFT\|wx.EXPAND, 5)
404	sizer_slit.Add(self.sheight_ctl, (iy,1), (1,1), wx.LEFT\|wx.EXPAND, 5)
405	#sizer_slit.Add(label_sunits1, (iy,2), (1,1), wx.LEFT\|wx.EXPAND, 10)
406	sizer_slit.Add(label_swidth, (iy,2), (1,1), wx.LEFT\|wx.EXPAND, 5)
407	sizer_slit.Add(self.swidth_ctl, (iy,3), (1,1), wx.LEFT\|wx.EXPAND, 5)
408	sizer_slit.Add(label_sunits2, (iy,4), (1,1), wx.LEFT\|wx.EXPAND, 5)
409
410	sboxsizer.Add(sizer_slit, wx.TOP, 15)
411	iy_vb += 1
412	vbox.Add(sboxsizer, (iy_vb,0), (1,1), wx.LEFT\|wx.RIGHT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 5)
413
414
415	# ----- Q range -----
416	qbox = wx.StaticBox(self, -1, "Q range")
417	qboxsizer = wx.StaticBoxSizer(qbox, wx.VERTICAL)
418	qboxsizer.SetMinSize((self._default_width,20))
419
420	sizer_q = wx.GridBagSizer(5,5)
421
422	label_qmin = wx.StaticText(self, -1, "Q min", size=(40,20))
423	label_qmax = wx.StaticText(self, -1, "Q max", size=(40,20))
424	#label_qunits1 = wx.StaticText(self, -1, "[A^(-1)]")
425	label_qunits2 = wx.StaticText(self, -1, "[A^(-1)]", size=(55,20))
426	self.qmin_ctl = PrTextCtrl(self, -1, style=wx.TE_PROCESS_ENTER, size=(60,20))
427	self.qmax_ctl = PrTextCtrl(self, -1, style=wx.TE_PROCESS_ENTER, size=(60,20))
428	self.qmin_ctl.SetToolTipString("Select a lower bound for Q or leave blank.")
429	self.qmax_ctl.SetToolTipString("Select an upper bound for Q or leave blank.")
430	self.qmin_ctl.Bind(wx.EVT_TEXT, self._on_pars_changed)
431	self.qmax_ctl.Bind(wx.EVT_TEXT, self._on_pars_changed)
432
433	iy = 0
434	sizer_q.Add(label_qmin, (iy,0), (1,1), wx.LEFT\|wx.EXPAND, 5)
435	sizer_q.Add(self.qmin_ctl, (iy,1), (1,1), wx.LEFT\|wx.EXPAND, 5)
436	#sizer_q.Add(label_qunits1, (iy,2), (1,1), wx.LEFT\|wx.EXPAND, 15)
437	sizer_q.Add(label_qmax, (iy,2), (1,1), wx.LEFT\|wx.EXPAND, 5)
438	sizer_q.Add(self.qmax_ctl, (iy,3), (1,1), wx.LEFT\|wx.EXPAND, 5)
439	sizer_q.Add(label_qunits2, (iy,4), (1,1), wx.LEFT\|wx.EXPAND, 5)
440	qboxsizer.Add(sizer_q, wx.TOP, 15)
441
442	iy_vb += 1
443	vbox.Add(qboxsizer, (iy_vb,0), (1,1), wx.LEFT\|wx.RIGHT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 5)
444
445
446
447
448	# ----- Parameters -----
449	parsbox = wx.StaticBox(self, -1, "Parameters")
450	boxsizer2 = wx.StaticBoxSizer(parsbox, wx.VERTICAL)
451	boxsizer2.SetMinSize((self._default_width,50))
452
453	explanation = "P(r) is found by fitting a set of base functions to I(Q). "
454	explanation += "The minimization involves a regularization term to ensure "
455	explanation += "a smooth P(r). The regularization constant gives the size of that "
456	explanation += "term. The suggested value is the value above which the "
457	explanation += "output P(r) will have only one peak."
458	label_explain = wx.StaticText(self, -1, explanation, size=(280,120))
459	boxsizer2.Add(label_explain, wx.LEFT\|wx.BOTTOM, 5)
460
461
462
463	label_nfunc = wx.StaticText(self, -1, "Number of terms")
464	label_nfunc.SetMinSize((120,20))
465	label_alpha = wx.StaticText(self, -1, "Regularization constant")
466	label_dmax = wx.StaticText(self, -1, "Max distance [A]")
467	self.label_sugg = wx.StaticText(self, -1, "Suggested value")
468	#self.label_sugg.Hide()
469
470	self.nfunc_ctl = PrTextCtrl(self, -1, style=wx.TE_PROCESS_ENTER, size=(60,20))
471	self.nfunc_ctl.SetToolTipString("Number of terms in the expansion.")
472	self.alpha_ctl = PrTextCtrl(self, -1, style=wx.TE_PROCESS_ENTER, size=(60,20))
473	self.alpha_ctl.SetToolTipString("Control parameter for the size of the regularization term.")
474	self.dmax_ctl = PrTextCtrl(self, -1, style=wx.TE_PROCESS_ENTER, size=(60,20))
475	self.dmax_ctl.SetToolTipString("Maximum distance between any two points in the system.")
476	id = wx.NewId()
477	self.alpha_estimate_ctl = wx.Button(self, id, "")
478	#self.alpha_estimate_ctl.Hide()
479	self.Bind(wx.EVT_BUTTON, self._on_accept_alpha, id = id)
480	self.alpha_estimate_ctl.Enable(False)
481	#self.alpha_estimate_ctl.SetBackgroundColour('#ffdf85')
482	#self.alpha_estimate_ctl.SetBackgroundColour(self.GetBackgroundColour())
483	self.alpha_estimate_ctl.SetToolTipString("Waiting for estimate...")
484
485	id = wx.NewId()
486	self.nterms_estimate_ctl = wx.Button(self, id, "")
487	#self.nterms_estimate_ctl.Hide()
488	self.Bind(wx.EVT_BUTTON, self._on_accept_nterms, id = id)
489	self.nterms_estimate_ctl.Enable(False)
490	#self.nterms_estimate_ctl.SetBackgroundColour('#ffdf85')
491	#self.nterms_estimate_ctl.SetBackgroundColour(self.GetBackgroundColour())
492	self.nterms_estimate_ctl.SetToolTipString("Waiting for estimate...")
493
494	self.nfunc_ctl.Bind(wx.EVT_TEXT, self._read_pars)
495	self.alpha_ctl.Bind(wx.EVT_TEXT, self._read_pars)
496	self.dmax_ctl.Bind(wx.EVT_TEXT, self._on_pars_changed)
497
498	# Distance explorator
499	id = wx.NewId()
500	self.distance_explorator_ctl = wx.Button(self, id, "Explore")
501	self.Bind(wx.EVT_BUTTON, self._on_explore, id = id)
502
503
504	sizer_params = wx.GridBagSizer(5,5)
505
506	iy = 0
507	sizer_params.Add(self.label_sugg, (iy,2), (1,1), wx.LEFT, 15)
508	iy += 1
509	sizer_params.Add(label_nfunc, (iy,0), (1,1), wx.LEFT, 15)
510	sizer_params.Add(self.nfunc_ctl, (iy,1), (1,1), wx.RIGHT, 0)
511	sizer_params.Add(self.nterms_estimate_ctl, (iy,2), (1,1), wx.LEFT, 15)
512	iy += 1
513	sizer_params.Add(label_alpha, (iy,0), (1,1), wx.LEFT, 15)
514	sizer_params.Add(self.alpha_ctl, (iy,1), (1,1), wx.RIGHT, 0)
515	sizer_params.Add(self.alpha_estimate_ctl, (iy,2), (1,1), wx.LEFT, 15)
516	iy += 1
517	sizer_params.Add(label_dmax, (iy,0), (1,1), wx.LEFT, 15)
518	sizer_params.Add(self.dmax_ctl, (iy,1), (1,1), wx.RIGHT, 0)
519	sizer_params.Add(self.distance_explorator_ctl, (iy,2), (1,1), wx.LEFT, 15)
520
521	boxsizer2.Add(sizer_params, 0)
522
523	iy_vb += 1
524	vbox.Add(boxsizer2, (iy_vb,0), (1,1), wx.LEFT\|wx.RIGHT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 5)
525
526
527	# ----- Results -----
528	resbox = wx.StaticBox(self, -1, "Outputs")
529	ressizer = wx.StaticBoxSizer(resbox, wx.VERTICAL)
530	ressizer.SetMinSize((self._default_width,50))
531
532	label_rg = wx.StaticText(self, -1, "Rg")
533	label_rg_unit = wx.StaticText(self, -1, "[A]")
534	label_iq0 = wx.StaticText(self, -1, "I(Q=0)")
535	label_iq0_unit = wx.StaticText(self, -1, "[A^(-1)]")
536	label_bck = wx.StaticText(self, -1, "Background")
537	label_bck_unit = wx.StaticText(self, -1, "[A^(-1)]")
538	self.rg_ctl = OutputTextCtrl(self, -1, size=(60,20))
539	self.rg_ctl.SetToolTipString("Radius of gyration for the computed P(r).")
540	self.iq0_ctl = OutputTextCtrl(self, -1, size=(60,20))
541	self.iq0_ctl.SetToolTipString("Scattering intensity at Q=0 for the computed P(r).")
542	self.bck_ctl = OutputTextCtrl(self, -1, size=(60,20))
543	self.bck_ctl.SetToolTipString("Value of estimated constant background.")
544
545	label_time = wx.StaticText(self, -1, "Computation time")
546	label_time_unit = wx.StaticText(self, -1, "secs")
547	label_time.SetMinSize((120,20))
548	label_chi2 = wx.StaticText(self, -1, "Chi2/dof")
549	label_osc = wx.StaticText(self, -1, "Oscillations")
550	label_pos = wx.StaticText(self, -1, "Positive fraction")
551	label_pos_err = wx.StaticText(self, -1, "1-sigma positive fraction")
552
553	self.time_ctl = OutputTextCtrl(self, -1, size=(60,20))
554	self.time_ctl.SetToolTipString("Computation time for the last inversion, in seconds.")
555
556	self.chi2_ctl = OutputTextCtrl(self, -1, size=(60,20))
557	self.chi2_ctl.SetToolTipString("Chi^2 over degrees of freedom.")
558
559	# Oscillation parameter
560	self.osc_ctl = OutputTextCtrl(self, -1, size=(60,20))
561	self.osc_ctl.SetToolTipString("Oscillation parameter. P(r) for a sphere has an oscillation parameter of 1.1.")
562
563	# Positive fraction figure of merit
564	self.pos_ctl = OutputTextCtrl(self, -1, size=(60,20))
565	self.pos_ctl.SetToolTipString("Fraction of P(r) that is positive. Theoretically, P(r) is defined positive.")
566
567	# 1-simga positive fraction figure of merit
568	self.pos_err_ctl = OutputTextCtrl(self, -1, size=(60,20))
569	message = "Fraction of P(r) that is at least 1 standard deviation greater than zero.\n"
570	message += "This figure of merit tells you about the size of the P(r) errors.\n"
571	message += "If it is close to 1 and the other figures of merit are bad, consider changing "
572	message += "the maximum distance."
573	self.pos_err_ctl.SetToolTipString(message)
574
575	sizer_res = wx.GridBagSizer(5,5)
576
577	iy = 0
578	sizer_res.Add(label_rg, (iy,0), (1,1), wx.LEFT\|wx.EXPAND, 15)
579	sizer_res.Add(self.rg_ctl, (iy,1), (1,1), wx.RIGHT\|wx.EXPAND, 15)
580	sizer_res.Add(label_rg_unit, (iy,2), (1,1), wx.RIGHT\|wx.EXPAND, 15)
581	iy += 1
582	sizer_res.Add(label_iq0, (iy,0), (1,1), wx.LEFT\|wx.EXPAND, 15)
583	sizer_res.Add(self.iq0_ctl, (iy,1), (1,1), wx.RIGHT\|wx.EXPAND, 15)
584	sizer_res.Add(label_iq0_unit, (iy,2), (1,1), wx.RIGHT\|wx.EXPAND, 15)
585	iy += 1
586	sizer_res.Add(label_bck, (iy,0), (1,1), wx.LEFT\|wx.EXPAND, 15)
587	sizer_res.Add(self.bck_ctl, (iy,1), (1,1), wx.RIGHT\|wx.EXPAND, 15)
588	sizer_res.Add(label_bck_unit, (iy,2), (1,1), wx.RIGHT\|wx.EXPAND, 15)
589	iy += 1
590	sizer_res.Add(label_time, (iy,0), (1,1), wx.LEFT\|wx.EXPAND, 15)
591	sizer_res.Add(self.time_ctl, (iy,1), (1,1), wx.RIGHT\|wx.EXPAND, 15)
592	sizer_res.Add(label_time_unit, (iy,2), (1,1), wx.RIGHT\|wx.EXPAND, 15)
593	iy += 1
594	sizer_res.Add(label_chi2, (iy,0), (1,1), wx.LEFT\|wx.EXPAND, 15)
595	sizer_res.Add(self.chi2_ctl, (iy,1), (1,1), wx.RIGHT\|wx.EXPAND, 15)
596	iy += 1
597	sizer_res.Add(label_osc, (iy,0), (1,1), wx.LEFT\|wx.EXPAND, 15)
598	sizer_res.Add(self.osc_ctl, (iy,1), (1,1), wx.RIGHT\|wx.EXPAND, 15)
599
600	iy += 1
601	sizer_res.Add(label_pos, (iy,0), (1,1), wx.LEFT\|wx.EXPAND, 15)
602	sizer_res.Add(self.pos_ctl, (iy,1), (1,1), wx.RIGHT\|wx.EXPAND, 15)
603
604	iy += 1
605	sizer_res.Add(label_pos_err, (iy,0), (1,1), wx.LEFT\|wx.EXPAND, 15)
606	sizer_res.Add(self.pos_err_ctl, (iy,1), (1,1), wx.RIGHT\|wx.EXPAND, 15)
607
608	ressizer.Add(sizer_res, 0)
609	iy_vb += 1
610	vbox.Add(ressizer, (iy_vb,0), (1,1), wx.LEFT\|wx.RIGHT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 5)
611
612	# ----- Buttons -----
613	id = wx.NewId()
614	button_OK = wx.Button(self, id, "Compute")
615	button_OK.SetToolTipString("Perform P(r) inversion.")
616	self.Bind(wx.EVT_BUTTON, self._on_invert, id = id)
617
618	id = wx.NewId()
619	button_Reset = wx.Button(self, id, "Reset")
620	button_Reset.SetToolTipString("Reset inversion parameters to default.")
621	self.Bind(wx.EVT_BUTTON, self._on_reset, id = id)
622	#button_Cancel = wx.Button(self, wx.ID_CANCEL, "Cancel")
623
624	id = wx.NewId()
625	button_Save = wx.Button(self, id, "Save")
626	button_Save.SetToolTipString("Save the current P(r) work to file.")
627	self.Bind(wx.EVT_BUTTON, self._save_state, id = id)
628
629	sizer_button = wx.BoxSizer(wx.HORIZONTAL)
630	sizer_button.Add((20, 20), 1, wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
631	sizer_button.Add(button_Save, 0, wx.LEFT\|wx.ADJUST_MINSIZE, 10)
632	sizer_button.Add(button_Reset, 0, wx.LEFT\|wx.ADJUST_MINSIZE, 10)
633	sizer_button.Add(button_OK, 0, wx.LEFT\|wx.ADJUST_MINSIZE, 10)
634	#sizer_button.Add(button_Cancel, 0, wx.LEFT\|wx.RIGHT\|wx.ADJUST_MINSIZE, 10)
635	iy_vb += 1
636	vbox.Add(sizer_button, (iy_vb,0), (1,1), wx.EXPAND\|wx.BOTTOM\|wx.TOP\|wx.RIGHT, 10)
637
638	self.Bind(wx.EVT_TEXT_ENTER, self._on_invert)
639
640	self.SetSizer(vbox)
641
642	def _on_accept_alpha(self, evt):
643	"""
644	User has accepted the estimated alpha,
645	set it as part of the input parameters
646	"""
647	try:
648	alpha = self.alpha_estimate_ctl.GetLabel()
649	tmp = float(alpha)
650	self.alpha_ctl.SetValue(alpha)
651	except:
652	# No estimate or bad estimate, either do nothing
653	import sys
654	print "InversionControl._on_accept_alpha: %s" % sys.exc_value
655	pass
656
657	def _on_accept_nterms(self, evt):
658	"""
659	User has accepted the estimated number of terms,
660	set it as part of the input parameters
661	"""
662	try:
663	nterms = self.nterms_estimate_ctl.GetLabel()
664	tmp = float(nterms)
665	self.nfunc_ctl.SetValue(nterms)
666	except:
667	# No estimate or bad estimate, either do nothing
668	import sys
669	print "InversionControl._on_accept_nterms: %s" % sys.exc_value
670	pass
671
672	def _on_reset(self, evt):
673	"""
674	Resets inversion parameters
675	"""
676	self.nfunc = self.manager.DEFAULT_NFUNC
677	self.d_max = self.manager.DEFAULT_DMAX
678	self.alpha = self.manager.DEFAULT_ALPHA
679	self.qmin_ctl.SetValue("")
680	self.qmax_ctl.SetValue("")
681	self.time_ctl.SetValue("")
682	self.rg_ctl.SetValue("")
683	self.iq0_ctl.SetValue("")
684	self.bck_ctl.SetValue("")
685	self.chi2_ctl.SetValue("")
686	self.osc_ctl.SetValue("")
687	self.pos_ctl.SetValue("")
688	self.pos_err_ctl.SetValue("")
689	self.alpha_estimate_ctl.Enable(False)
690	self.alpha_estimate_ctl.SetLabel("")
691	self.nterms_estimate_ctl.Enable(False)
692	self.nterms_estimate_ctl.SetLabel("")
693	self._on_pars_changed()
694
695	def _on_pars_changed(self, evt=None):
696	"""
697	Called when an input parameter has changed
698	We will estimate the alpha parameter behind the
699	scenes.
700	"""
701	flag, alpha, dmax, nfunc, qmin, qmax, height, width = self._read_pars()
702	has_bck = self.bck_chk.IsChecked()
703
704	# If the pars are valid, estimate alpha
705	if flag:
706	self.nterms_estimate_ctl.Enable(False)
707	self.alpha_estimate_ctl.Enable(False)
708
709	dataset = self.plot_data.GetValue()
710	self.manager.estimate_plot_inversion(alpha=alpha, nfunc=nfunc,
711	d_max=dmax,
712	q_min=qmin, q_max=qmax,
713	bck=has_bck,
714	height=height,
715	width=width)
716
717	def _read_pars(self, evt=None):
718	"""
719	"""
720	alpha = 0
721	nfunc = 5
722	dmax = 120
723	qmin = 0
724	qmax = 0
725	height = 0
726	width = 0
727
728	flag = True
729
730
731	# Read slit height
732	try:
733	height_str = self.sheight_ctl.GetValue()
734	if len(height_str.lstrip().rstrip())==0:
735	height = 0
736	else:
737	height = float(height_str)
738	self.sheight_ctl.SetBackgroundColour(wx.WHITE)
739	self.sheight_ctl.Refresh()
740	except:
741	flag = False
742	self.sheight_ctl.SetBackgroundColour("pink")
743	self.sheight_ctl.Refresh()
744
745	# Read slit width
746	try:
747	width_str = self.swidth_ctl.GetValue()
748	if len(width_str.lstrip().rstrip())==0:
749	width = 0
750	else:
751	width = float(width_str)
752	self.swidth_ctl.SetBackgroundColour(wx.WHITE)
753	self.swidth_ctl.Refresh()
754	except:
755	flag = False
756	self.swidth_ctl.SetBackgroundColour("pink")
757	self.swidth_ctl.Refresh()
758
759	# Read alpha
760	try:
761	alpha = float(self.alpha_ctl.GetValue())
762	self.alpha_ctl.SetBackgroundColour(wx.WHITE)
763	self.alpha_ctl.Refresh()
764	except:
765	flag = False
766	self.alpha_ctl.SetBackgroundColour("pink")
767	self.alpha_ctl.Refresh()
768
769	# Read d_max
770	try:
771	dmax = float(self.dmax_ctl.GetValue())
772	self.dmax_ctl.SetBackgroundColour(wx.WHITE)
773	self.dmax_ctl.Refresh()
774	except:
775	flag = False
776	self.dmax_ctl.SetBackgroundColour("pink")
777	self.dmax_ctl.Refresh()
778
779	# Read nfunc
780	try:
781	nfunc = int(self.nfunc_ctl.GetValue())
782	npts = self.manager.get_npts()
783	if npts>0 and nfunc>npts:
784	message = "Number of function terms should be smaller than the number of points"
785	wx.PostEvent(self.manager.parent, StatusEvent(status=message))
786	raise ValueError, message
787	self.nfunc_ctl.SetBackgroundColour(wx.WHITE)
788	self.nfunc_ctl.Refresh()
789	except:
790	flag = False
791	self.nfunc_ctl.SetBackgroundColour("pink")
792	self.nfunc_ctl.Refresh()
793
794	# Read qmin
795	try:
796	qmin_str = self.qmin_ctl.GetValue()
797	if len(qmin_str.lstrip().rstrip())==0:
798	qmin = None
799	else:
800	qmin = float(qmin_str)
801	self.qmin_ctl.SetBackgroundColour(wx.WHITE)
802	self.qmin_ctl.Refresh()
803	except:
804	flag = False
805	self.qmin_ctl.SetBackgroundColour("pink")
806	self.qmin_ctl.Refresh()
807
808	# Read qmax
809	try:
810	qmax_str = self.qmax_ctl.GetValue()
811	if len(qmax_str.lstrip().rstrip())==0:
812	qmax = None
813	else:
814	qmax = float(qmax_str)
815	self.qmax_ctl.SetBackgroundColour(wx.WHITE)
816	self.qmax_ctl.Refresh()
817	except:
818	flag = False
819	self.qmax_ctl.SetBackgroundColour("pink")
820	self.qmax_ctl.Refresh()
821
822	return flag, alpha, dmax, nfunc, qmin, qmax, height, width
823
824	def _on_explore(self, evt):
825	"""
826	Invoke the d_max exploration dialog
827	"""
828	from explore_dialog import ExploreDialog
829	if self.manager._last_pr is not None:
830	pr = self.manager._create_plot_pr()
831	dialog = ExploreDialog(pr, 10, None, -1, "")
832	dialog.ShowModal()
833	else:
834	message = "No data to analyze. Please load a data set to proceed."
835	wx.PostEvent(self.manager.parent, StatusEvent(status=message))
836
837	def _on_invert(self, evt):
838	"""
839	Perform inversion
840
841	:param silent: when True, there will be no output for the user
842
843	"""
844	# Get the data from the form
845	# Push it to the manager
846
847	flag, alpha, dmax, nfunc, qmin, qmax, height, width = self._read_pars()
848	has_bck = self.bck_chk.IsChecked()
849
850	if flag:
851	dataset = self.plot_data.GetValue()
852	if dataset==None or len(dataset.strip())==0:
853	message = "No data to invert. Select a data set before proceeding with P(r) inversion."
854	wx.PostEvent(self.manager.parent, StatusEvent(status=message))
855	else:
856	self.manager.setup_plot_inversion(alpha=alpha, nfunc=nfunc,
857	d_max=dmax,
858	q_min=qmin, q_max=qmax,
859	bck=has_bck,
860	height=height,
861	width=width)
862	else:
863	message = "The P(r) form contains invalid values: please submit it again."
864	wx.PostEvent(self.parent, StatusEvent(status=message))
865
866	def _change_file(self, evt=None, filepath=None):
867	"""
868	Choose a new input file for I(q)
869	"""
870	import os
871	if not self.manager==None:
872	path = self.manager.choose_file(path=filepath)
873
874	if path and os.path.isfile(path):
875	self.plot_data.SetValue(str(path))
876	try:
877	self.manager.show_data(path, reset=True)
878	self._on_pars_changed(None)
879
880	# Perform inversion
881	if self.standalone == True:
882	self._on_invert(None)
883	except:
884	# Invalid data
885	logging.error("InversionControl._change_file: %s" % sys.exc_value)
886
887	class HelpDialog(wx.Dialog):
888	"""
889	"""
890	def __init__(self, parent, id):
891	"""
892	"""
893	from sans.pr.invertor import help
894	wx.Dialog.__init__(self, parent, id, size=(400, 420))
895	self.SetTitle("P(r) help")
896
897
898	vbox = wx.BoxSizer(wx.VERTICAL)
899
900	explanation = help()
901
902	label_explain = wx.StaticText(self, -1, explanation, size=(350,320))
903
904	vbox.Add(label_explain, 0, wx.ALL\|wx.EXPAND, 15)
905
906
907	static_line = wx.StaticLine(self, -1)
908	vbox.Add(static_line, 0, wx.EXPAND, 0)
909
910	button_OK = wx.Button(self, wx.ID_OK, "OK")
911	#button_Cancel = wx.Button(self, wx.ID_CANCEL, "Cancel")
912
913	sizer_button = wx.BoxSizer(wx.HORIZONTAL)
914	sizer_button.Add((20, 20), 1, wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
915	sizer_button.Add(button_OK, 0, wx.LEFT\|wx.RIGHT\|wx.ADJUST_MINSIZE, 10)
916	#sizer_button.Add(button_Cancel, 0, wx.LEFT\|wx.RIGHT\|wx.ADJUST_MINSIZE, 10)
917	vbox.Add(sizer_button, 0, wx.EXPAND\|wx.BOTTOM\|wx.TOP, 10)
918
919	self.SetSizer(vbox)
920	self.SetAutoLayout(True)
921
922	self.Layout()
923	self.Centre()
924
925	class PrDistDialog(wx.Dialog):
926	"""
927	Property dialog to let the user change the number
928	of points on the P(r) plot.
929	"""
930	def __init__(self, parent, id):
931	from sans.pr.invertor import help
932	wx.Dialog.__init__(self, parent, id, size=(250, 120))
933	self.SetTitle("P(r) distribution")
934
935
936	vbox = wx.BoxSizer(wx.VERTICAL)
937
938	label_npts = wx.StaticText(self, -1, "Number of points")
939	self.npts_ctl = PrTextCtrl(self, -1, size=(100,20))
940
941	pars_sizer = wx.GridBagSizer(5,5)
942	iy = 0
943	pars_sizer.Add(label_npts, (iy,0), (1,1), wx.LEFT, 15)
944	pars_sizer.Add(self.npts_ctl, (iy,1), (1,1), wx.RIGHT, 0)
945
946	vbox.Add(pars_sizer, 0, wx.ALL\|wx.EXPAND, 15)
947
948
949	static_line = wx.StaticLine(self, -1)
950	vbox.Add(static_line, 0, wx.EXPAND, 0)
951
952	button_OK = wx.Button(self, wx.ID_OK, "OK")
953	self.Bind(wx.EVT_BUTTON, self._checkValues, button_OK)
954	button_Cancel = wx.Button(self, wx.ID_CANCEL, "Cancel")
955
956	sizer_button = wx.BoxSizer(wx.HORIZONTAL)
957	sizer_button.Add((20, 20), 1, wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
958	sizer_button.Add(button_OK, 0, wx.LEFT\|wx.RIGHT\|wx.ADJUST_MINSIZE, 10)
959	sizer_button.Add(button_Cancel, 0, wx.LEFT\|wx.RIGHT\|wx.ADJUST_MINSIZE, 10)
960	vbox.Add(sizer_button, 0, wx.EXPAND\|wx.BOTTOM\|wx.TOP, 10)
961
962	self.SetSizer(vbox)
963	self.SetAutoLayout(True)
964
965	self.Layout()
966	self.Centre()
967
968	def _checkValues(self, event):
969	"""
970	Check the dialog content.
971	"""
972	flag = True
973	try:
974	int(self.npts_ctl.GetValue())
975	self.npts_ctl.SetBackgroundColour(wx.WHITE)
976	self.npts_ctl.Refresh()
977	except:
978	flag = False
979	self.npts_ctl.SetBackgroundColour("pink")
980	self.npts_ctl.Refresh()
981	if flag:
982	event.Skip(True)
983
984	def get_content(self):
985	"""
986	Return the content of the dialog.
987	At this point the values have already been
988	checked.
989	"""
990	value = int(self.npts_ctl.GetValue())
991	return value
992
993	def set_content(self, npts):
994	"""
995	Initialize the content of the dialog.
996	"""
997	self.npts_ctl.SetValue("%i" % npts)
998
999	##### testing code ############################################################
1000	"""
1001	Example: ::
1002
1003	class TestPlot:
1004	def __init__(self, text):
1005	self.name = text
1006
1007	class MyApp(wx.App):
1008	def OnInit(self):
1009	wx.InitAllImageHandlers()
1010	dialog = PrDistDialog(None, -1)
1011	if dialog.ShowModal() == wx.ID_OK:
1012	pass
1013	dialog.Destroy()
1014
1015	return 1
1016
1017	# end of class MyApp
1018
1019	if __name__ == "__main__":
1020	app = MyApp(0)
1021	app.MainLoop()
1022
1023	"""
1024	##### end of testing code #####################################################

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SasView

source: sasview/prview/perspectives/pr/inversion_panel.py @ 4e9583c

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