inversion_panel.py @ 3eac6d06

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 3eac6d06 was 3e41f43, checked in by Gervaise Alina <gervyh@…>, 14 years ago
make pr plugin inheriting from pluginbase in guiframe
Property mode set to `100644`
File size: 40.1 KB

Line
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
15	from pr_widgets import DataFileTextCtrl
16	from pr_widgets import OutputTextCtrl
17
18
19
20	class InversionControl(ScrolledPanel):
21	"""
22	"""
23	window_name = 'pr_control'
24	window_caption = "P(r) control panel"
25	CENTER_PANE = True
26
27	# Figure of merit parameters [default]
28
29	## Oscillation parameters (sin function = 1.1)
30	oscillation_max = 1.5
31
32	def __init__(self, parent, id=-1, plots=None,
33	standalone=False, **kwargs):
34	"""
35	"""
36	ScrolledPanel.__init__(self, parent, id=id, **kwargs)
37	self.SetupScrolling()
38
39	self.plots = plots
40	self.radio_buttons = {}
41	self.parent = parent
42
43	## Data file TextCtrl
44	self.data_file = None
45	self.plot_data = None
46	self.nfunc_ctl = None
47	self.alpha_ctl = None
48	self.dmax_ctl = None
49	self.time_ctl = None
50	self.chi2_ctl = None
51	self.osc_ctl = None
52	self.file_radio = None
53	self.plot_radio = None
54	self.label_sugg = None
55	self.qmin_ctl = None
56	self.qmax_ctl = None
57	self.swidth_ctl = None
58	self.sheight_ctl = None
59
60	self.rg_ctl = None
61	self.iq0_ctl = None
62	self.bck_chk = None
63	self.bck_ctl = None
64
65	# TextCtrl for fraction of positive P(r)
66	self.pos_ctl = None
67
68	# TextCtrl for fraction of 1 sigma positive P(r)
69	self.pos_err_ctl = None
70
71	## Estimates
72	self.alpha_estimate_ctl = None
73	self.nterms_estimate_ctl = None
74
75	## D_max distance explorator
76	self.distance_explorator_ctl = None
77
78	## Data manager
79	self.manager = None
80
81	## Standalone flage
82	self.standalone = standalone
83
84	## Default file location for save
85	self._default_save_location = os.getcwd()
86
87
88	# Default width
89	self._default_width = 350
90	self._do_layout()
91
92	def __setattr__(self, name, value):
93	"""
94	Allow direct hooks to text boxes
95	"""
96	if name == 'nfunc':
97	self.nfunc_ctl.SetValue(str(int(value)))
98	elif name == 'd_max':
99	self.dmax_ctl.SetValue(str(value))
100	elif name == 'alpha':
101	self.alpha_ctl.SetValue(str(value))
102	elif name == 'chi2':
103	self.chi2_ctl.SetValue("%-5.2g" % value)
104	elif name == 'bck':
105	self.bck_ctl.SetValue("%-5.2g" % value)
106	elif name == 'q_min':
107	self.qmin_ctl.SetValue("%-5.2g" % value)
108	elif name == 'q_max':
109	self.qmax_ctl.SetValue("%-5.2g" % value)
110	elif name == 'elapsed':
111	self.time_ctl.SetValue("%-5.2g" % value)
112	elif name ==' rg':
113	self.rg_ctl.SetValue("%-5.2g" % value)
114	elif name == 'iq0':
115	self.iq0_ctl.SetValue("%-5.2g" % value)
116	elif name == 'oscillation':
117	self.osc_ctl.SetValue("%-5.2g" % value)
118	elif name == 'slit_width':
119	self.swidth_ctl.SetValue("%-5.2g" % value)
120	elif name == 'slit_height':
121	self.sheight_ctl.SetValue("%-5.2g" % value)
122	elif name == 'positive':
123	self.pos_ctl.SetValue("%-5.2g" % value)
124	elif name == 'pos_err':
125	self.pos_err_ctl.SetValue("%-5.2g" % value)
126	elif name == 'alpha_estimate':
127	self.alpha_estimate_ctl.SetToolTipString("Click to accept value.")
128	self.alpha_estimate_ctl.Enable(True)
129	self.alpha_estimate_ctl.SetLabel("%-3.1g" % value)
130	#self.alpha_estimate_ctl.Show()
131	#self.label_sugg.Show()
132	elif name == 'nterms_estimate':
133	self.nterms_estimate_ctl.SetToolTipString("Click to accept value.")
134	self.nterms_estimate_ctl.Enable(True)
135	self.nterms_estimate_ctl.SetLabel("%-g" % value)
136	elif name == 'plotname':
137	self.plot_data.SetValue(str(value))
138	self._on_pars_changed(None)
139	elif name == 'datafile':
140	self.plot_data.SetValue(str(value))
141	self._on_pars_changed(None)
142	else:
143	wx.Panel.__setattr__(self, name, value)
144
145	def __getattr__(self, name):
146	"""
147	Allow direct hooks to text boxes
148	"""
149	if name == 'nfunc':
150	try:
151	return int(self.nfunc_ctl.GetValue())
152	except:
153	return -1
154	elif name == 'd_max':
155	try:
156	return self.dmax_ctl.GetValue()
157	except:
158	return -1.0
159	elif name == 'alpha':
160	try:
161	return self.alpha_ctl.GetValue()
162	except:
163	return -1.0
164	elif name == 'chi2':
165	try:
166	return float(self.chi2_ctl.GetValue())
167	except:
168	return None
169	elif name == 'bck':
170	try:
171	return float(self.bck_ctl.GetValue())
172	except:
173	return None
174	elif name == 'q_min':
175	try:
176	return float(self.qmin_ctl.GetValue())
177	except:
178	return 0.0
179	elif name=='q_max':
180	try:
181	return float(self.qmax_ctl.GetValue())
182	except:
183	return 0.0
184	elif name == 'elapsed':
185	try:
186	return float(self.time_ctl.GetValue())
187	except:
188	return None
189	elif name == 'rg':
190	try:
191	return float(self.rg_ctl.GetValue())
192	except:
193	return None
194	elif name=='iq0':
195	try:
196	return float(self.iq0_ctl.GetValue())
197	except:
198	return None
199	elif name == 'oscillation':
200	try:
201	return float(self.osc_ctl.GetValue())
202	except:
203	return None
204	elif name == 'slit_width':
205	try:
206	return float(self.swidth_ctl.GetValue())
207	except:
208	return None
209	elif name=='slit_height':
210	try:
211	return float(self.sheight_ctl.GetValue())
212	except:
213	return None
214	elif name == 'pos':
215	try:
216	return float(self.pos_ctl.GetValue())
217	except:
218	return None
219	elif name == 'pos_err':
220	try:
221	return float(self.pos_err_ctl.GetValue())
222	except:
223	return None
224	elif name == 'alpha_estimate':
225	try:
226	return float(self.alpha_estimate_ctl.GetLabel())
227	except:
228	return None
229	elif name == 'nterms_estimate':
230	try:
231	return int(self.nterms_estimate_ctl.GetLabel())
232	except:
233	return None
234	elif name == 'plotname':
235	return self.plot_data.GetValue()
236	elif name == 'datafile':
237	return self.plot_data.GetValue()
238	else:
239	return wx.Panel.__getattribute__(self, name)
240
241	def _save_state(self, evt=None):
242	"""
243	Method used to create a memento of the current state
244
245	:return: state object
246	"""
247	# Ask the user the location of the file to write to.
248	path = None
249	dlg = wx.FileDialog(self, "Choose a file",
250	self._default_save_location, "", "*.prv", wx.SAVE)
251	if dlg.ShowModal() == wx.ID_OK:
252	path = dlg.GetPath()
253	self._default_save_location = os.path.dirname(path)
254	else:
255	return None
256
257	dlg.Destroy()
258
259	state = self.get_state()
260
261	self.manager.save_data(filepath=path, prstate=state)
262
263	return state
264
265	def get_state(self):
266	"""
267	Get the current state
268
269	: return: state object
270	"""
271	# Construct the state object
272	state = InversionState()
273
274	# Read the panel's parameters
275	flag, alpha, dmax, nfunc, qmin, \
276	qmax, height, width = self._read_pars()
277
278	state.nfunc = nfunc
279	state.d_max = dmax
280	state.alpha = alpha
281	state.qmin = qmin
282	state.qmax = qmax
283	state.width = width
284	state.height = height
285
286	# Data file
287	state.file = self.plot_data.GetValue()
288
289	# Background evaluation checkbox
290	state.estimate_bck = self.bck_chk.IsChecked()
291
292	# Estimates
293	state.nterms_estimate = self.nterms_estimate
294	state.alpha_estimate = self.alpha_estimate
295
296	# Read the output values
297	state.chi2 = self.chi2
298	state.elapsed = self.elapsed
299	state.osc = self.oscillation
300	state.pos = self.pos
301	state.pos_err = self.pos_err
302	state.rg = self.rg
303	state.iq0 = self.iq0
304	state.bck = self.bck
305
306	return state
307
308	def set_state(self, state):
309	"""
310	Set the state of the panel and inversion problem to
311	the state passed as a parameter.
312	Execute the inversion immediately after filling the
313	controls.
314
315	:param state: InversionState object
316	"""
317	if state.nfunc is not None:
318	self.nfunc = state.nfunc
319	if state.d_max is not None:
320	self.d_max = state.d_max
321	if state.alpha is not None:
322	self.alpha = state.alpha
323	if state.qmin is not None:
324	self.q_min = state.qmin
325	if state.qmax is not None:
326	self.q_max = state.qmax
327	if state.width is not None:
328	self.slit_width = state.width
329	if state.height is not None:
330	self.slit_height = state.height
331
332	# Data file
333	self.plot_data.SetValue(str(state.file))
334
335	# Background evaluation checkbox
336	self.bck_chk.SetValue(state.estimate_bck)
337
338	# Estimates
339	if state.nterms_estimate is not None:
340	self.nterms_estimate = state.nterms_estimate
341	if state.alpha_estimate is not None:
342	self.alpha_estimate = state.alpha_estimate
343
344
345	# Read the output values
346	if state.chi2 is not None:
347	self.chi2 = state.chi2
348	if state.elapsed is not None:
349	self.elapsed = state.elapsed
350	if state.osc is not None:
351	self.oscillation = state.osc
352	if state.pos is not None:
353	self.positive = state.pos
354	if state.pos_err is not None:
355	self.pos_err = state.pos_err
356	if state.rg is not None:
357	self.rg = state.rg
358	if state.iq0 is not None:
359	self.iq0 = state.iq0
360	if state.bck is not None:
361	self.bck = state.bck
362
363	# Perform inversion
364	if self.standalone == False:
365	self._on_invert(None)
366
367	def set_manager(self, manager):
368	self.manager = manager
369
370	def _do_layout(self):
371	vbox = wx.GridBagSizer(0,0)
372	iy_vb = 0
373
374	# ----- I(q) data -----
375	databox = wx.StaticBox(self, -1, "I(q) data source")
376
377	boxsizer1 = wx.StaticBoxSizer(databox, wx.VERTICAL)
378	boxsizer1.SetMinSize((self._default_width, 50))
379	pars_sizer = wx.GridBagSizer(5, 5)
380
381	iy = 0
382	self.file_radio = wx.StaticText(self, -1, "Data:")
383	pars_sizer.Add(self.file_radio, (iy, 0), (1, 1),
384	wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
385
386	self.plot_data = DataFileTextCtrl(self, -1, size=(260,20))
387
388	pars_sizer.Add(self.plot_data, (iy, 1), (1, 1),
389	wx.EXPAND\|wx.LEFT\|wx.RIGHT\|wx.ADJUST_MINSIZE, 15)
390
391	self.bck_chk = wx.CheckBox(self, -1, "Estimate background level")
392	hint_msg = "Check box to let the fit estimate "
393	hint_msg += "the constant background level."
394	self.bck_chk.SetToolTipString(hint_msg)
395	self.bck_chk.Bind(wx.EVT_CHECKBOX, self._on_pars_changed)
396	iy += 1
397	pars_sizer.Add(self.bck_chk, (iy, 0), (1, 2),
398	wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
399	boxsizer1.Add(pars_sizer, 0, wx.EXPAND)
400	vbox.Add(boxsizer1, (iy_vb, 0), (1, 1),
401	wx.LEFT\|wx.RIGHT\|wx.EXPAND\|wx.ADJUST_MINSIZE\|wx.TOP, 5)
402
403	# ----- Add slit parameters -----
404	if True:
405	sbox = wx.StaticBox(self, -1, "Slit parameters")
406	sboxsizer = wx.StaticBoxSizer(sbox, wx.VERTICAL)
407	sboxsizer.SetMinSize((self._default_width, 20))
408
409	sizer_slit = wx.GridBagSizer(5, 5)
410
411	label_sheight = wx.StaticText(self, -1, "Height", size=(40, 20))
412	label_swidth = wx.StaticText(self, -1, "Width", size=(40, 20))
413	#label_sunits1 = wx.StaticText(self, -1, "[A^(-1)]")
414	label_sunits2 = wx.StaticText(self, -1, "[A^(-1)]", size=(55,20))
415	self.sheight_ctl = PrTextCtrl(self, -1, style=wx.TE_PROCESS_ENTER,
416	size=(60,20))
417	self.swidth_ctl = PrTextCtrl(self, -1, style=wx.TE_PROCESS_ENTER,
418	size=(60,20))
419	hint_msg = "Enter slit height in units of Q or leave blank."
420	self.sheight_ctl.SetToolTipString(hint_msg)
421	hint_msg = "Enter slit width in units of Q or leave blank."
422	self.swidth_ctl.SetToolTipString(hint_msg)
423	#self.sheight_ctl.Bind(wx.EVT_TEXT, self._on_pars_changed)
424	#self.swidth_ctl.Bind(wx.EVT_TEXT, self._on_pars_changed)
425
426	iy = 0
427	sizer_slit.Add(label_sheight, (iy, 0), (1, 1),
428	wx.LEFT\|wx.EXPAND, 5)
429	sizer_slit.Add(self.sheight_ctl, (iy, 1), (1, 1),
430	wx.LEFT\|wx.EXPAND, 5)
431
432	sizer_slit.Add(label_swidth, (iy, 2), (1, 1),
433	wx.LEFT\|wx.EXPAND, 5)
434	sizer_slit.Add(self.swidth_ctl, (iy, 3), (1, 1),
435	wx.LEFT\|wx.EXPAND, 5)
436	sizer_slit.Add(label_sunits2, (iy, 4), (1, 1),
437	wx.LEFT\|wx.EXPAND, 5)
438
439	sboxsizer.Add(sizer_slit, wx.TOP, 15)
440	iy_vb += 1
441	vbox.Add(sboxsizer, (iy_vb, 0), (1, 1),
442	wx.LEFT\|wx.RIGHT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 5)
443
444
445	# ----- Q range -----
446	qbox = wx.StaticBox(self, -1, "Q range")
447	qboxsizer = wx.StaticBoxSizer(qbox, wx.VERTICAL)
448	qboxsizer.SetMinSize((self._default_width, 20))
449
450	sizer_q = wx.GridBagSizer(5, 5)
451
452	label_qmin = wx.StaticText(self, -1, "Q min", size=(40, 20))
453	label_qmax = wx.StaticText(self, -1, "Q max", size=(40, 20))
454	#label_qunits1 = wx.StaticText(self, -1, "[A^(-1)]")
455	label_qunits2 = wx.StaticText(self, -1, "[A^(-1)]", size=(55, 20))
456	self.qmin_ctl = PrTextCtrl(self, -1, style=wx.TE_PROCESS_ENTER,
457	size=(60,20))
458	self.qmax_ctl = PrTextCtrl(self, -1, style=wx.TE_PROCESS_ENTER,
459	size=(60,20))
460	hint_msg = "Select a lower bound for Q or leave blank."
461	self.qmin_ctl.SetToolTipString(hint_msg)
462	hint_msg = "Select an upper bound for Q or leave blank."
463	self.qmax_ctl.SetToolTipString(hint_msg)
464	self.qmin_ctl.Bind(wx.EVT_TEXT, self._on_pars_changed)
465	self.qmax_ctl.Bind(wx.EVT_TEXT, self._on_pars_changed)
466
467	iy = 0
468	sizer_q.Add(label_qmin, (iy, 0), (1, 1), wx.LEFT\|wx.EXPAND, 5)
469	sizer_q.Add(self.qmin_ctl, (iy, 1), (1, 1), wx.LEFT\|wx.EXPAND, 5)
470	#sizer_q.Add(label_qunits1, (iy,2), (1,1), wx.LEFT\|wx.EXPAND, 15)
471	sizer_q.Add(label_qmax, (iy, 2), (1, 1), wx.LEFT\|wx.EXPAND, 5)
472	sizer_q.Add(self.qmax_ctl, (iy, 3), (1, 1), wx.LEFT\|wx.EXPAND, 5)
473	sizer_q.Add(label_qunits2, (iy, 4), (1, 1), wx.LEFT\|wx.EXPAND, 5)
474	qboxsizer.Add(sizer_q, wx.TOP, 15)
475
476	iy_vb += 1
477	vbox.Add(qboxsizer, (iy_vb,0), (1,1),
478	wx.LEFT\|wx.RIGHT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 5)
479
480	# ----- Parameters -----
481	parsbox = wx.StaticBox(self, -1, "Parameters")
482	boxsizer2 = wx.StaticBoxSizer(parsbox, wx.VERTICAL)
483	boxsizer2.SetMinSize((self._default_width,50))
484
485	explanation = "P(r) is found by fitting a set of base functions"
486	explanation += " to I(Q). The minimization involves"
487	explanation += " a regularization term to ensure a smooth P(r)."
488	explanation += " The regularization constant gives the size of that "
489	explanation += "term. The suggested value is the value above which the"
490	explanation += " output P(r) will have only one peak."
491	label_explain = wx.StaticText(self, -1, explanation, size=(280,120))
492	boxsizer2.Add(label_explain, wx.LEFT\|wx.BOTTOM, 5)
493
494
495
496	label_nfunc = wx.StaticText(self, -1, "Number of terms")
497	label_nfunc.SetMinSize((120, 20))
498	label_alpha = wx.StaticText(self, -1, "Regularization constant")
499	label_dmax = wx.StaticText(self, -1, "Max distance [A]")
500	self.label_sugg = wx.StaticText(self, -1, "Suggested value")
501	#self.label_sugg.Hide()
502
503	self.nfunc_ctl = PrTextCtrl(self, -1, style=wx.TE_PROCESS_ENTER,
504	size=(60,20))
505	self.nfunc_ctl.SetToolTipString("Number of terms in the expansion.")
506	self.alpha_ctl = PrTextCtrl(self, -1, style=wx.TE_PROCESS_ENTER,
507	size=(60,20))
508	hint_msg = "Control parameter for the size of the regularization term."
509	self.alpha_ctl.SetToolTipString(hint_msg)
510	self.dmax_ctl = PrTextCtrl(self, -1, style=wx.TE_PROCESS_ENTER,
511	size=(60,20))
512	hint_msg = "Maximum distance between any two points in the system."
513	self.dmax_ctl.SetToolTipString(hint_msg)
514	id = wx.NewId()
515	self.alpha_estimate_ctl = wx.Button(self, id, "")
516	#self.alpha_estimate_ctl.Hide()
517	self.Bind(wx.EVT_BUTTON, self._on_accept_alpha, id = id)
518	self.alpha_estimate_ctl.Enable(False)
519	#self.alpha_estimate_ctl.SetBackgroundColour('#ffdf85')
520	#self.alpha_estimate_ctl.SetBackgroundColour(self.GetBackgroundColour())
521	self.alpha_estimate_ctl.SetToolTipString("Waiting for estimate...")
522
523	id = wx.NewId()
524	self.nterms_estimate_ctl = wx.Button(self, id, "")
525	#self.nterms_estimate_ctl.Hide()
526	self.Bind(wx.EVT_BUTTON, self._on_accept_nterms, id = id)
527	self.nterms_estimate_ctl.Enable(False)
528
529	self.nterms_estimate_ctl.SetToolTipString("Waiting for estimate...")
530
531	self.nfunc_ctl.Bind(wx.EVT_TEXT, self._read_pars)
532	self.alpha_ctl.Bind(wx.EVT_TEXT, self._read_pars)
533	self.dmax_ctl.Bind(wx.EVT_TEXT, self._on_pars_changed)
534
535	# Distance explorator
536	id = wx.NewId()
537	self.distance_explorator_ctl = wx.Button(self, id, "Explore")
538	self.Bind(wx.EVT_BUTTON, self._on_explore, id = id)
539
540
541	sizer_params = wx.GridBagSizer(5,5)
542
543	iy = 0
544	sizer_params.Add(self.label_sugg, (iy, 2), (1, 1), wx.LEFT, 15)
545	iy += 1
546	sizer_params.Add(label_nfunc, (iy, 0), (1, 1), wx.LEFT, 15)
547	sizer_params.Add(self.nfunc_ctl, (iy, 1), (1, 1), wx.RIGHT, 0)
548	sizer_params.Add(self.nterms_estimate_ctl, (iy, 2), (1, 1), wx.LEFT, 15)
549	iy += 1
550	sizer_params.Add(label_alpha, (iy, 0), (1, 1), wx.LEFT, 15)
551	sizer_params.Add(self.alpha_ctl, (iy, 1), (1, 1), wx.RIGHT, 0)
552	sizer_params.Add(self.alpha_estimate_ctl, (iy, 2), (1, 1), wx.LEFT, 15)
553	iy += 1
554	sizer_params.Add(label_dmax, (iy, 0), (1, 1), wx.LEFT, 15)
555	sizer_params.Add(self.dmax_ctl, (iy, 1), (1, 1), wx.RIGHT, 0)
556	sizer_params.Add(self.distance_explorator_ctl, (iy, 2),
557	(1, 1), wx.LEFT, 15)
558
559	boxsizer2.Add(sizer_params, 0)
560
561	iy_vb += 1
562	vbox.Add(boxsizer2, (iy_vb, 0), (1, 1),
563	wx.LEFT\|wx.RIGHT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 5)
564
565
566	# ----- Results -----
567	resbox = wx.StaticBox(self, -1, "Outputs")
568	ressizer = wx.StaticBoxSizer(resbox, wx.VERTICAL)
569	ressizer.SetMinSize((self._default_width, 50))
570
571	label_rg = wx.StaticText(self, -1, "Rg")
572	label_rg_unit = wx.StaticText(self, -1, "[A]")
573	label_iq0 = wx.StaticText(self, -1, "I(Q=0)")
574	label_iq0_unit = wx.StaticText(self, -1, "[A^(-1)]")
575	label_bck = wx.StaticText(self, -1, "Background")
576	label_bck_unit = wx.StaticText(self, -1, "[A^(-1)]")
577	self.rg_ctl = OutputTextCtrl(self, -1, size=(60,20))
578	hint_msg = "Radius of gyration for the computed P(r)."
579	self.rg_ctl.SetToolTipString(hint_msg)
580	self.iq0_ctl = OutputTextCtrl(self, -1, size=(60,20))
581	hint_msg = "Scattering intensity at Q=0 for the computed P(r)."
582	self.iq0_ctl.SetToolTipString(hint_msg)
583	self.bck_ctl = OutputTextCtrl(self, -1, size=(60,20))
584	self.bck_ctl.SetToolTipString("Value of estimated constant background.")
585
586	label_time = wx.StaticText(self, -1, "Computation time")
587	label_time_unit = wx.StaticText(self, -1, "secs")
588	label_time.SetMinSize((120,20))
589	label_chi2 = wx.StaticText(self, -1, "Chi2/dof")
590	label_osc = wx.StaticText(self, -1, "Oscillations")
591	label_pos = wx.StaticText(self, -1, "Positive fraction")
592	label_pos_err = wx.StaticText(self, -1, "1-sigma positive fraction")
593
594	self.time_ctl = OutputTextCtrl(self, -1, size=(60,20))
595	hint_msg = "Computation time for the last inversion, in seconds."
596	self.time_ctl.SetToolTipString(hint_msg)
597
598	self.chi2_ctl = OutputTextCtrl(self, -1, size=(60,20))
599	self.chi2_ctl.SetToolTipString("Chi^2 over degrees of freedom.")
600
601	# Oscillation parameter
602	self.osc_ctl = OutputTextCtrl(self, -1, size=(60,20))
603	hint_msg = "Oscillation parameter. P(r) for a sphere has an "
604	hint_msg += " oscillation parameter of 1.1."
605	self.osc_ctl.SetToolTipString(hint_msg)
606
607	# Positive fraction figure of merit
608	self.pos_ctl = OutputTextCtrl(self, -1, size=(60,20))
609	hint_msg = "Fraction of P(r) that is positive. "
610	hint_msg += "Theoretically, P(r) is defined positive."
611	self.pos_ctl.SetToolTipString(hint_msg)
612
613	# 1-simga positive fraction figure of merit
614	self.pos_err_ctl = OutputTextCtrl(self, -1, size=(60,20))
615	message = "Fraction of P(r) that is at least 1 standard deviation"
616	message += " greater than zero.\n"
617	message += "This figure of merit tells you about the size of the "
618	message += "P(r) errors.\n"
619	message += "If it is close to 1 and the other figures of merit are bad,"
620	message += " consider changing the maximum distance."
621	self.pos_err_ctl.SetToolTipString(message)
622
623	sizer_res = wx.GridBagSizer(5, 5)
624
625	iy = 0
626	sizer_res.Add(label_rg, (iy, 0), (1, 1), wx.LEFT\|wx.EXPAND, 15)
627	sizer_res.Add(self.rg_ctl, (iy, 1), (1, 1), wx.RIGHT\|wx.EXPAND, 15)
628	sizer_res.Add(label_rg_unit, (iy, 2), (1, 1), wx.RIGHT\|wx.EXPAND, 15)
629	iy += 1
630	sizer_res.Add(label_iq0, (iy, 0), (1, 1), wx.LEFT\|wx.EXPAND, 15)
631	sizer_res.Add(self.iq0_ctl, (iy, 1), (1, 1), wx.RIGHT\|wx.EXPAND, 15)
632	sizer_res.Add(label_iq0_unit, (iy, 2), (1, 1), wx.RIGHT\|wx.EXPAND, 15)
633	iy += 1
634	sizer_res.Add(label_bck, (iy, 0), (1, 1), wx.LEFT\|wx.EXPAND, 15)
635	sizer_res.Add(self.bck_ctl, (iy, 1), (1, 1), wx.RIGHT\|wx.EXPAND, 15)
636	sizer_res.Add(label_bck_unit, (iy, 2), (1, 1), wx.RIGHT\|wx.EXPAND, 15)
637	iy += 1
638	sizer_res.Add(label_time, (iy, 0), (1, 1), wx.LEFT\|wx.EXPAND, 15)
639	sizer_res.Add(self.time_ctl, (iy, 1), (1, 1), wx.RIGHT\|wx.EXPAND, 15)
640	sizer_res.Add(label_time_unit, (iy, 2), (1, 1), wx.RIGHT\|wx.EXPAND, 15)
641	iy += 1
642	sizer_res.Add(label_chi2, (iy, 0), (1, 1), wx.LEFT\|wx.EXPAND, 15)
643	sizer_res.Add(self.chi2_ctl, (iy, 1), (1, 1), wx.RIGHT\|wx.EXPAND, 15)
644	iy += 1
645	sizer_res.Add(label_osc, (iy, 0), (1, 1), wx.LEFT\|wx.EXPAND, 15)
646	sizer_res.Add(self.osc_ctl, (iy, 1), (1, 1), wx.RIGHT\|wx.EXPAND, 15)
647
648	iy += 1
649	sizer_res.Add(label_pos, (iy, 0), (1, 1), wx.LEFT\|wx.EXPAND, 15)
650	sizer_res.Add(self.pos_ctl, (iy, 1), (1, 1), wx.RIGHT\|wx.EXPAND, 15)
651
652	iy += 1
653	sizer_res.Add(label_pos_err, (iy, 0), (1, 1), wx.LEFT\|wx.EXPAND, 15)
654	sizer_res.Add(self.pos_err_ctl, (iy,1), (1, 1), wx.RIGHT\|wx.EXPAND, 15)
655
656	ressizer.Add(sizer_res, 0)
657	iy_vb += 1
658	vbox.Add(ressizer, (iy_vb, 0), (1, 1),
659	wx.LEFT\|wx.RIGHT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 5)
660
661	# ----- Buttons -----
662	id = wx.NewId()
663	button_OK = wx.Button(self, id, "Compute")
664	button_OK.SetToolTipString("Perform P(r) inversion.")
665	self.Bind(wx.EVT_BUTTON, self._on_invert, id = id)
666
667	id = wx.NewId()
668	button_Reset = wx.Button(self, id, "Reset")
669	button_Reset.SetToolTipString("Reset inversion parameters to default.")
670	self.Bind(wx.EVT_BUTTON, self._on_reset, id = id)
671	#button_Cancel = wx.Button(self, wx.ID_CANCEL, "Cancel")
672
673	id = wx.NewId()
674	button_Save = wx.Button(self, id, "Save")
675	button_Save.SetToolTipString("Save the current P(r) work to file.")
676	self.Bind(wx.EVT_BUTTON, self._save_state, id=id)
677
678	sizer_button = wx.BoxSizer(wx.HORIZONTAL)
679	sizer_button.Add((20, 20), 1, wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
680	sizer_button.Add(button_Save, 0, wx.LEFT\|wx.ADJUST_MINSIZE, 10)
681	sizer_button.Add(button_Reset, 0, wx.LEFT\|wx.ADJUST_MINSIZE, 10)
682	sizer_button.Add(button_OK, 0, wx.LEFT\|wx.ADJUST_MINSIZE, 10)
683
684	iy_vb += 1
685	vbox.Add(sizer_button, (iy_vb, 0), (1, 1),
686	wx.EXPAND\|wx.BOTTOM\|wx.TOP\|wx.RIGHT, 10)
687
688	self.Bind(wx.EVT_TEXT_ENTER, self._on_invert)
689
690	self.SetSizer(vbox)
691
692	def _on_accept_alpha(self, evt):
693	"""
694	User has accepted the estimated alpha,
695	set it as part of the input parameters
696	"""
697	try:
698	alpha = self.alpha_estimate_ctl.GetLabel()
699	tmp = float(alpha)
700	self.alpha_ctl.SetValue(alpha)
701	except:
702	# No estimate or bad estimate, either do nothing
703	#import sys
704	print "InversionControl._on_accept_alpha: %s" % sys.exc_value
705	pass
706
707	def _on_accept_nterms(self, evt):
708	"""
709	User has accepted the estimated number of terms,
710	set it as part of the input parameters
711	"""
712	try:
713	nterms = self.nterms_estimate_ctl.GetLabel()
714	tmp = float(nterms)
715	self.nfunc_ctl.SetValue(nterms)
716	except:
717	# No estimate or bad estimate, either do nothing
718	import sys
719	print "InversionControl._on_accept_nterms: %s" % sys.exc_value
720	pass
721
722	def _on_reset(self, evt):
723	"""
724	Resets inversion parameters
725	"""
726	self.nfunc = self.manager.DEFAULT_NFUNC
727	self.d_max = self.manager.DEFAULT_DMAX
728	self.alpha = self.manager.DEFAULT_ALPHA
729	self.qmin_ctl.SetValue("")
730	self.qmax_ctl.SetValue("")
731	self.time_ctl.SetValue("")
732	self.rg_ctl.SetValue("")
733	self.iq0_ctl.SetValue("")
734	self.bck_ctl.SetValue("")
735	self.chi2_ctl.SetValue("")
736	self.osc_ctl.SetValue("")
737	self.pos_ctl.SetValue("")
738	self.pos_err_ctl.SetValue("")
739	self.alpha_estimate_ctl.Enable(False)
740	self.alpha_estimate_ctl.SetLabel("")
741	self.nterms_estimate_ctl.Enable(False)
742	self.nterms_estimate_ctl.SetLabel("")
743	self._on_pars_changed()
744
745	def _on_pars_changed(self, evt=None):
746	"""
747	Called when an input parameter has changed
748	We will estimate the alpha parameter behind the
749	scenes.
750	"""
751	flag, alpha, dmax, nfunc, qmin, qmax, height, width = self._read_pars()
752	has_bck = self.bck_chk.IsChecked()
753
754	# If the pars are valid, estimate alpha
755	if flag:
756	self.nterms_estimate_ctl.Enable(False)
757	self.alpha_estimate_ctl.Enable(False)
758
759	dataset = self.plot_data.GetValue()
760	self.manager.estimate_plot_inversion(alpha=alpha, nfunc=nfunc,
761	d_max=dmax,
762	q_min=qmin, q_max=qmax,
763	bck=has_bck,
764	height=height,
765	width=width)
766
767	def _read_pars(self, evt=None):
768	"""
769	"""
770	alpha = 0
771	nfunc = 5
772	dmax = 120
773	qmin = 0
774	qmax = 0
775	height = 0
776	width = 0
777
778	flag = True
779
780
781	# Read slit height
782	try:
783	height_str = self.sheight_ctl.GetValue()
784	if len(height_str.lstrip().rstrip()) == 0:
785	height = 0
786	else:
787	height = float(height_str)
788	self.sheight_ctl.SetBackgroundColour(wx.WHITE)
789	self.sheight_ctl.Refresh()
790	except:
791	flag = False
792	self.sheight_ctl.SetBackgroundColour("pink")
793	self.sheight_ctl.Refresh()
794
795	# Read slit width
796	try:
797	width_str = self.swidth_ctl.GetValue()
798	if len(width_str.lstrip().rstrip())==0:
799	width = 0
800	else:
801	width = float(width_str)
802	self.swidth_ctl.SetBackgroundColour(wx.WHITE)
803	self.swidth_ctl.Refresh()
804	except:
805	flag = False
806	self.swidth_ctl.SetBackgroundColour("pink")
807	self.swidth_ctl.Refresh()
808
809	# Read alpha
810	try:
811	alpha = float(self.alpha_ctl.GetValue())
812	self.alpha_ctl.SetBackgroundColour(wx.WHITE)
813	self.alpha_ctl.Refresh()
814	except:
815	flag = False
816	self.alpha_ctl.SetBackgroundColour("pink")
817	self.alpha_ctl.Refresh()
818
819	# Read d_max
820	try:
821	dmax = float(self.dmax_ctl.GetValue())
822	self.dmax_ctl.SetBackgroundColour(wx.WHITE)
823	self.dmax_ctl.Refresh()
824	except:
825	flag = False
826	self.dmax_ctl.SetBackgroundColour("pink")
827	self.dmax_ctl.Refresh()
828
829	# Read nfunc
830	try:
831	nfunc = int(self.nfunc_ctl.GetValue())
832	npts = self.manager.get_npts()
833	if npts > 0 and nfunc > npts:
834	message = "Number of function terms should be smaller "
835	message += "than the number of points"
836	wx.PostEvent(self.manager.parent, StatusEvent(status=message))
837	raise ValueError, message
838	self.nfunc_ctl.SetBackgroundColour(wx.WHITE)
839	self.nfunc_ctl.Refresh()
840	except:
841	flag = False
842	self.nfunc_ctl.SetBackgroundColour("pink")
843	self.nfunc_ctl.Refresh()
844
845	# Read qmin
846	try:
847	qmin_str = self.qmin_ctl.GetValue()
848	if len(qmin_str.lstrip().rstrip()) == 0:
849	qmin = None
850	else:
851	qmin = float(qmin_str)
852	self.qmin_ctl.SetBackgroundColour(wx.WHITE)
853	self.qmin_ctl.Refresh()
854	except:
855	flag = False
856	self.qmin_ctl.SetBackgroundColour("pink")
857	self.qmin_ctl.Refresh()
858
859	# Read qmax
860	try:
861	qmax_str = self.qmax_ctl.GetValue()
862	if len(qmax_str.lstrip().rstrip()) == 0:
863	qmax = None
864	else:
865	qmax = float(qmax_str)
866	self.qmax_ctl.SetBackgroundColour(wx.WHITE)
867	self.qmax_ctl.Refresh()
868	except:
869	flag = False
870	self.qmax_ctl.SetBackgroundColour("pink")
871	self.qmax_ctl.Refresh()
872
873	return flag, alpha, dmax, nfunc, qmin, qmax, height, width
874
875	def _on_explore(self, evt):
876	"""
877	Invoke the d_max exploration dialog
878	"""
879	from explore_dialog import ExploreDialog
880	if self.manager._last_pr is not None:
881	pr = self.manager._create_plot_pr()
882	dialog = ExploreDialog(pr, 10, None, -1, "")
883	dialog.ShowModal()
884	else:
885	message = "No data to analyze. Please load a data set to proceed."
886	wx.PostEvent(self.manager.parent, StatusEvent(status=message))
887
888	def _on_invert(self, evt):
889	"""
890	Perform inversion
891
892	:param silent: when True, there will be no output for the user
893
894	"""
895	# Get the data from the form
896	# Push it to the manager
897
898	flag, alpha, dmax, nfunc, qmin, qmax, height, width = self._read_pars()
899	has_bck = self.bck_chk.IsChecked()
900
901	if flag:
902	dataset = self.plot_data.GetValue()
903	if dataset==None or len(dataset.strip())==0:
904	message = "No data to invert. Select a data set before"
905	message += " proceeding with P(r) inversion."
906	wx.PostEvent(self.manager.parent, StatusEvent(status=message))
907	else:
908	self.manager.setup_plot_inversion(alpha=alpha, nfunc=nfunc,
909	d_max=dmax,
910	q_min=qmin, q_max=qmax,
911	bck=has_bck,
912	height=height,
913	width=width)
914	else:
915	message = "The P(r) form contains invalid values: "
916	message += "please submit it again."
917	wx.PostEvent(self.parent, StatusEvent(status=message))
918
919	def _change_file(self, evt=None, filepath=None):
920	"""
921	Choose a new input file for I(q)
922	"""
923	import os
924	if not self.manager==None:
925	path = self.manager.choose_file(path=filepath)
926
927	if path and os.path.isfile(path):
928	self.plot_data.SetValue(str(path))
929	try:
930	self.manager.show_data(path, reset=True)
931	self._on_pars_changed(None)
932
933	# Perform inversion
934	if self.standalone == True:
935	self._on_invert(None)
936	except:
937	# Invalid data
938	msg = "InversionControl._change_file: %s" % sys.exc_value
939	logging.error(msg)
940
941	class HelpDialog(wx.Dialog):
942	"""
943	"""
944	def __init__(self, parent, id):
945	"""
946	"""
947	from sans.pr.invertor import help
948	wx.Dialog.__init__(self, parent, id, size=(400, 420))
949	self.SetTitle("P(r) help")
950
951
952	vbox = wx.BoxSizer(wx.VERTICAL)
953
954	explanation = help()
955
956	label_explain = wx.StaticText(self, -1, explanation, size=(350,320))
957
958	vbox.Add(label_explain, 0, wx.ALL\|wx.EXPAND, 15)
959
960
961	static_line = wx.StaticLine(self, -1)
962	vbox.Add(static_line, 0, wx.EXPAND, 0)
963
964	button_OK = wx.Button(self, wx.ID_OK, "OK")
965	#button_Cancel = wx.Button(self, wx.ID_CANCEL, "Cancel")
966
967	sizer_button = wx.BoxSizer(wx.HORIZONTAL)
968	sizer_button.Add((20, 20), 1, wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
969	sizer_button.Add(button_OK, 0, wx.LEFT\|wx.RIGHT\|wx.ADJUST_MINSIZE, 10)
970
971	vbox.Add(sizer_button, 0, wx.EXPAND\|wx.BOTTOM\|wx.TOP, 10)
972
973	self.SetSizer(vbox)
974	self.SetAutoLayout(True)
975
976	self.Layout()
977	self.Centre()
978
979	class PrDistDialog(wx.Dialog):
980	"""
981	Property dialog to let the user change the number
982	of points on the P(r) plot.
983	"""
984	def __init__(self, parent, id):
985	from sans.pr.invertor import help
986	wx.Dialog.__init__(self, parent, id, size=(250, 120))
987	self.SetTitle("P(r) distribution")
988
989
990	vbox = wx.BoxSizer(wx.VERTICAL)
991
992	label_npts = wx.StaticText(self, -1, "Number of points")
993	self.npts_ctl = PrTextCtrl(self, -1, size=(100,20))
994
995	pars_sizer = wx.GridBagSizer(5,5)
996	iy = 0
997	pars_sizer.Add(label_npts, (iy,0), (1,1), wx.LEFT, 15)
998	pars_sizer.Add(self.npts_ctl, (iy,1), (1,1), wx.RIGHT, 0)
999
1000	vbox.Add(pars_sizer, 0, wx.ALL\|wx.EXPAND, 15)
1001
1002
1003	static_line = wx.StaticLine(self, -1)
1004	vbox.Add(static_line, 0, wx.EXPAND, 0)
1005
1006	button_OK = wx.Button(self, wx.ID_OK, "OK")
1007	self.Bind(wx.EVT_BUTTON, self._checkValues, button_OK)
1008	button_Cancel = wx.Button(self, wx.ID_CANCEL, "Cancel")
1009
1010	sizer_button = wx.BoxSizer(wx.HORIZONTAL)
1011	sizer_button.Add((20, 20), 1, wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
1012	sizer_button.Add(button_OK, 0, wx.LEFT\|wx.RIGHT\|wx.ADJUST_MINSIZE, 10)
1013	sizer_button.Add(button_Cancel, 0,
1014	wx.LEFT\|wx.RIGHT\|wx.ADJUST_MINSIZE, 10)
1015	vbox.Add(sizer_button, 0, wx.EXPAND\|wx.BOTTOM\|wx.TOP, 10)
1016
1017	self.SetSizer(vbox)
1018	self.SetAutoLayout(True)
1019
1020	self.Layout()
1021	self.Centre()
1022
1023	def _checkValues(self, event):
1024	"""
1025	Check the dialog content.
1026	"""
1027	flag = True
1028	try:
1029	int(self.npts_ctl.GetValue())
1030	self.npts_ctl.SetBackgroundColour(wx.WHITE)
1031	self.npts_ctl.Refresh()
1032	except:
1033	flag = False
1034	self.npts_ctl.SetBackgroundColour("pink")
1035	self.npts_ctl.Refresh()
1036	if flag:
1037	event.Skip(True)
1038
1039	def get_content(self):
1040	"""
1041	Return the content of the dialog.
1042	At this point the values have already been
1043	checked.
1044	"""
1045	value = int(self.npts_ctl.GetValue())
1046	return value
1047
1048	def set_content(self, npts):
1049	"""
1050	Initialize the content of the dialog.
1051	"""
1052	self.npts_ctl.SetValue("%i" % npts)
1053
1054	##### testing code ############################################################
1055	"""
1056	Example: ::
1057
1058	class TestPlot:
1059	def __init__(self, text):
1060	self.name = text
1061
1062	class MyApp(wx.App):
1063	def OnInit(self):
1064	wx.InitAllImageHandlers()
1065	dialog = PrDistDialog(None, -1)
1066	if dialog.ShowModal() == wx.ID_OK:
1067	pass
1068	dialog.Destroy()
1069
1070	return 1
1071
1072	# end of class MyApp
1073
1074	if __name__ == "__main__":
1075	app = MyApp(0)
1076	app.MainLoop()
1077
1078	"""
1079	##### end of testing code #####################################################

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SasView

source: sasview/prview/perspectives/pr/inversion_panel.py @ 3eac6d06

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