inversion_panel.py @ 8994b6b

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 8994b6b was 75df58b, checked in by Gervaise Alina <gervyh@…>, 14 years ago
working on loading for prview
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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.guiframe.events import StatusEvent
13	from sans.guiframe.panel_base import PanelBase
14	from inversion_state import InversionState
15	from pr_widgets import PrTextCtrl
16	from pr_widgets import DataFileTextCtrl
17	from pr_widgets import OutputTextCtrl
18
19
20
21	class InversionControl(ScrolledPanel, PanelBase):
22	"""
23	"""
24	window_name = 'pr_control'
25	window_caption = "P(r) control panel"
26	CENTER_PANE = True
27
28	# Figure of merit parameters [default]
29
30	## Oscillation parameters (sin function = 1.1)
31	oscillation_max = 1.5
32
33	def __init__(self, parent, id=-1, plots=None,
34	standalone=False, **kwargs):
35	"""
36	"""
37	ScrolledPanel.__init__(self, parent, id=id, **kwargs)
38	PanelBase.__init__(self)
39	self.SetupScrolling()
40
41	self.plots = plots
42	self.radio_buttons = {}
43	self.parent = parent
44
45	## Data file TextCtrl
46	self.data_file = None
47	self.plot_data = None
48	self.nfunc_ctl = None
49	self.alpha_ctl = None
50	self.dmax_ctl = None
51	self.time_ctl = None
52	self.chi2_ctl = None
53	self.osc_ctl = None
54	self.file_radio = None
55	self.plot_radio = None
56	self.label_sugg = None
57	self.qmin_ctl = None
58	self.qmax_ctl = None
59	self.swidth_ctl = None
60	self.sheight_ctl = None
61
62	self.rg_ctl = None
63	self.iq0_ctl = None
64	self.bck_chk = None
65	self.bck_ctl = None
66
67	# TextCtrl for fraction of positive P(r)
68	self.pos_ctl = None
69
70	# TextCtrl for fraction of 1 sigma positive P(r)
71	self.pos_err_ctl = None
72
73	## Estimates
74	self.alpha_estimate_ctl = None
75	self.nterms_estimate_ctl = None
76	## D_max distance explorator
77	self.distance_explorator_ctl = None
78	## Data manager
79	self.manager = None
80	## Standalone flage
81	self.standalone = standalone
82	## Default file location for save
83	self._default_save_location = os.getcwd()
84	# Default width
85	self._default_width = 350
86	self._do_layout()
87
88	def __setattr__(self, name, value):
89	"""
90	Allow direct hooks to text boxes
91	"""
92	if name == 'nfunc':
93	self.nfunc_ctl.SetValue(str(int(value)))
94	elif name == 'd_max':
95	self.dmax_ctl.SetValue(str(value))
96	elif name == 'alpha':
97	self.alpha_ctl.SetValue(str(value))
98	elif name == 'chi2':
99	self.chi2_ctl.SetValue("%-5.2g" % value)
100	elif name == 'bck':
101	self.bck_ctl.SetValue("%-5.2g" % value)
102	elif name == 'q_min':
103	self.qmin_ctl.SetValue("%-5.2g" % value)
104	elif name == 'q_max':
105	self.qmax_ctl.SetValue("%-5.2g" % value)
106	elif name == 'elapsed':
107	self.time_ctl.SetValue("%-5.2g" % value)
108	elif name ==' rg':
109	self.rg_ctl.SetValue("%-5.2g" % value)
110	elif name == 'iq0':
111	self.iq0_ctl.SetValue("%-5.2g" % value)
112	elif name == 'oscillation':
113	self.osc_ctl.SetValue("%-5.2g" % value)
114	elif name == 'slit_width':
115	self.swidth_ctl.SetValue("%-5.2g" % value)
116	elif name == 'slit_height':
117	self.sheight_ctl.SetValue("%-5.2g" % value)
118	elif name == 'positive':
119	self.pos_ctl.SetValue("%-5.2g" % value)
120	elif name == 'pos_err':
121	self.pos_err_ctl.SetValue("%-5.2g" % value)
122	elif name == 'alpha_estimate':
123	self.alpha_estimate_ctl.SetToolTipString("Click to accept value.")
124	self.alpha_estimate_ctl.Enable(True)
125	self.alpha_estimate_ctl.SetLabel("%-3.1g" % value)
126	#self.alpha_estimate_ctl.Show()
127	#self.label_sugg.Show()
128	elif name == 'nterms_estimate':
129	self.nterms_estimate_ctl.SetToolTipString("Click to accept value.")
130	self.nterms_estimate_ctl.Enable(True)
131	self.nterms_estimate_ctl.SetLabel("%-g" % value)
132	elif name == 'plotname':
133	self.plot_data.SetValue(str(value))
134	self._on_pars_changed(None)
135	elif name == 'datafile':
136	self.plot_data.SetValue(str(value))
137	self._on_pars_changed(None)
138	else:
139	wx.Panel.__setattr__(self, name, value)
140
141	def __getattr__(self, name):
142	"""
143	Allow direct hooks to text boxes
144	"""
145	if name == 'nfunc':
146	try:
147	return int(self.nfunc_ctl.GetValue())
148	except:
149	return -1
150	elif name == 'd_max':
151	try:
152	return self.dmax_ctl.GetValue()
153	except:
154	return -1.0
155	elif name == 'alpha':
156	try:
157	return self.alpha_ctl.GetValue()
158	except:
159	return -1.0
160	elif name == 'chi2':
161	try:
162	return float(self.chi2_ctl.GetValue())
163	except:
164	return None
165	elif name == 'bck':
166	try:
167	return float(self.bck_ctl.GetValue())
168	except:
169	return None
170	elif name == 'q_min':
171	try:
172	return float(self.qmin_ctl.GetValue())
173	except:
174	return 0.0
175	elif name=='q_max':
176	try:
177	return float(self.qmax_ctl.GetValue())
178	except:
179	return 0.0
180	elif name == 'elapsed':
181	try:
182	return float(self.time_ctl.GetValue())
183	except:
184	return None
185	elif name == 'rg':
186	try:
187	return float(self.rg_ctl.GetValue())
188	except:
189	return None
190	elif name=='iq0':
191	try:
192	return float(self.iq0_ctl.GetValue())
193	except:
194	return None
195	elif name == 'oscillation':
196	try:
197	return float(self.osc_ctl.GetValue())
198	except:
199	return None
200	elif name == 'slit_width':
201	try:
202	return float(self.swidth_ctl.GetValue())
203	except:
204	return None
205	elif name=='slit_height':
206	try:
207	return float(self.sheight_ctl.GetValue())
208	except:
209	return None
210	elif name == 'pos':
211	try:
212	return float(self.pos_ctl.GetValue())
213	except:
214	return None
215	elif name == 'pos_err':
216	try:
217	return float(self.pos_err_ctl.GetValue())
218	except:
219	return None
220	elif name == 'alpha_estimate':
221	try:
222	return float(self.alpha_estimate_ctl.GetLabel())
223	except:
224	return None
225	elif name == 'nterms_estimate':
226	try:
227	return int(self.nterms_estimate_ctl.GetLabel())
228	except:
229	return None
230	elif name == 'plotname':
231	return self.plot_data.GetValue()
232	elif name == 'datafile':
233	return self.plot_data.GetValue()
234	else:
235	return wx.Panel.__getattribute__(self, name)
236
237	def _save_state(self, evt=None):
238	"""
239	Method used to create a memento of the current state
240
241	:return: state object
242	"""
243	# Ask the user the location of the file to write to.
244	path = None
245	dlg = wx.FileDialog(self, "Choose a file",
246	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	state = self.get_state()
256
257	self.manager.save_data(filepath=path, prstate=state)
258
259	return state
260
261	def get_state(self):
262	"""
263	Get the current state
264
265	: return: state object
266	"""
267	# Construct the state object
268	state = InversionState()
269
270	# Read the panel's parameters
271	flag, alpha, dmax, nfunc, qmin, \
272	qmax, height, width = self._read_pars()
273
274	state.nfunc = nfunc
275	state.d_max = dmax
276	state.alpha = alpha
277	state.qmin = qmin
278	state.qmax = qmax
279	state.width = width
280	state.height = height
281
282	# Data file
283	state.file = self.plot_data.GetValue()
284
285	# Background evaluation checkbox
286	state.estimate_bck = self.bck_chk.IsChecked()
287
288	# Estimates
289	state.nterms_estimate = self.nterms_estimate
290	state.alpha_estimate = self.alpha_estimate
291
292	# Read the output values
293	state.chi2 = self.chi2
294	state.elapsed = self.elapsed
295	state.osc = self.oscillation
296	state.pos = self.pos
297	state.pos_err = self.pos_err
298	state.rg = self.rg
299	state.iq0 = self.iq0
300	state.bck = self.bck
301
302	return state
303
304	def set_state(self, state):
305	"""
306	Set the state of the panel and inversion problem to
307	the state passed as a parameter.
308	Execute the inversion immediately after filling the
309	controls.
310
311	:param state: InversionState object
312	"""
313	if state.nfunc is not None:
314	self.nfunc = state.nfunc
315	if state.d_max is not None:
316	self.d_max = state.d_max
317	if state.alpha is not None:
318	self.alpha = state.alpha
319	if state.qmin is not None:
320	self.q_min = state.qmin
321	if state.qmax is not None:
322	self.q_max = state.qmax
323	if state.width is not None:
324	self.slit_width = state.width
325	if state.height is not None:
326	self.slit_height = state.height
327
328	# Data file
329	self.plot_data.SetValue(str(state.file))
330
331	# Background evaluation checkbox
332	self.bck_chk.SetValue(state.estimate_bck)
333
334	# Estimates
335	if state.nterms_estimate is not None:
336	self.nterms_estimate = state.nterms_estimate
337	if state.alpha_estimate is not None:
338	self.alpha_estimate = state.alpha_estimate
339
340
341	# Read the output values
342	if state.chi2 is not None:
343	self.chi2 = state.chi2
344	if state.elapsed is not None:
345	self.elapsed = state.elapsed
346	if state.osc is not None:
347	self.oscillation = state.osc
348	if state.pos is not None:
349	self.positive = state.pos
350	if state.pos_err is not None:
351	self.pos_err = state.pos_err
352	if state.rg is not None:
353	self.rg = state.rg
354	if state.iq0 is not None:
355	self.iq0 = state.iq0
356	if state.bck is not None:
357	self.bck = state.bck
358
359	# Perform inversion
360	if self.standalone == False:
361	self._on_invert(None)
362
363	def set_manager(self, manager):
364	self.manager = manager
365
366	def _do_layout(self):
367	vbox = wx.GridBagSizer(0,0)
368	iy_vb = 0
369
370	# ----- I(q) data -----
371	databox = wx.StaticBox(self, -1, "I(q) data source")
372
373	boxsizer1 = wx.StaticBoxSizer(databox, wx.VERTICAL)
374	boxsizer1.SetMinSize((self._default_width, 50))
375	pars_sizer = wx.GridBagSizer(5, 5)
376
377	iy = 0
378	self.file_radio = wx.StaticText(self, -1, "Data:")
379	pars_sizer.Add(self.file_radio, (iy, 0), (1, 1),
380	wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
381
382	self.plot_data = DataFileTextCtrl(self, -1, size=(260,20))
383
384	pars_sizer.Add(self.plot_data, (iy, 1), (1, 1),
385	wx.EXPAND\|wx.LEFT\|wx.RIGHT\|wx.ADJUST_MINSIZE, 15)
386
387	self.bck_chk = wx.CheckBox(self, -1, "Estimate background level")
388	hint_msg = "Check box to let the fit estimate "
389	hint_msg += "the constant background level."
390	self.bck_chk.SetToolTipString(hint_msg)
391	self.bck_chk.Bind(wx.EVT_CHECKBOX, self._on_pars_changed)
392	iy += 1
393	pars_sizer.Add(self.bck_chk, (iy, 0), (1, 2),
394	wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
395	boxsizer1.Add(pars_sizer, 0, wx.EXPAND)
396	vbox.Add(boxsizer1, (iy_vb, 0), (1, 1),
397	wx.LEFT\|wx.RIGHT\|wx.EXPAND\|wx.ADJUST_MINSIZE\|wx.TOP, 5)
398
399	# ----- Add slit parameters -----
400	if True:
401	sbox = wx.StaticBox(self, -1, "Slit parameters")
402	sboxsizer = wx.StaticBoxSizer(sbox, wx.VERTICAL)
403	sboxsizer.SetMinSize((self._default_width, 20))
404
405	sizer_slit = wx.GridBagSizer(5, 5)
406
407	label_sheight = wx.StaticText(self, -1, "Height", size=(40, 20))
408	label_swidth = wx.StaticText(self, -1, "Width", size=(40, 20))
409	#label_sunits1 = wx.StaticText(self, -1, "[A^(-1)]")
410	label_sunits2 = wx.StaticText(self, -1, "[A^(-1)]", size=(55,20))
411	self.sheight_ctl = PrTextCtrl(self, -1, style=wx.TE_PROCESS_ENTER,
412	size=(60,20))
413	self.swidth_ctl = PrTextCtrl(self, -1, style=wx.TE_PROCESS_ENTER,
414	size=(60,20))
415	hint_msg = "Enter slit height in units of Q or leave blank."
416	self.sheight_ctl.SetToolTipString(hint_msg)
417	hint_msg = "Enter slit width in units of Q or leave blank."
418	self.swidth_ctl.SetToolTipString(hint_msg)
419	#self.sheight_ctl.Bind(wx.EVT_TEXT, self._on_pars_changed)
420	#self.swidth_ctl.Bind(wx.EVT_TEXT, self._on_pars_changed)
421
422	iy = 0
423	sizer_slit.Add(label_sheight, (iy, 0), (1, 1),
424	wx.LEFT\|wx.EXPAND, 5)
425	sizer_slit.Add(self.sheight_ctl, (iy, 1), (1, 1),
426	wx.LEFT\|wx.EXPAND, 5)
427
428	sizer_slit.Add(label_swidth, (iy, 2), (1, 1),
429	wx.LEFT\|wx.EXPAND, 5)
430	sizer_slit.Add(self.swidth_ctl, (iy, 3), (1, 1),
431	wx.LEFT\|wx.EXPAND, 5)
432	sizer_slit.Add(label_sunits2, (iy, 4), (1, 1),
433	wx.LEFT\|wx.EXPAND, 5)
434
435	sboxsizer.Add(sizer_slit, wx.TOP, 15)
436	iy_vb += 1
437	vbox.Add(sboxsizer, (iy_vb, 0), (1, 1),
438	wx.LEFT\|wx.RIGHT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 5)
439
440
441	# ----- Q range -----
442	qbox = wx.StaticBox(self, -1, "Q range")
443	qboxsizer = wx.StaticBoxSizer(qbox, wx.VERTICAL)
444	qboxsizer.SetMinSize((self._default_width, 20))
445
446	sizer_q = wx.GridBagSizer(5, 5)
447
448	label_qmin = wx.StaticText(self, -1, "Q min", size=(40, 20))
449	label_qmax = wx.StaticText(self, -1, "Q max", size=(40, 20))
450	#label_qunits1 = wx.StaticText(self, -1, "[A^(-1)]")
451	label_qunits2 = wx.StaticText(self, -1, "[A^(-1)]", size=(55, 20))
452	self.qmin_ctl = PrTextCtrl(self, -1, style=wx.TE_PROCESS_ENTER,
453	size=(60,20))
454	self.qmax_ctl = PrTextCtrl(self, -1, style=wx.TE_PROCESS_ENTER,
455	size=(60,20))
456	hint_msg = "Select a lower bound for Q or leave blank."
457	self.qmin_ctl.SetToolTipString(hint_msg)
458	hint_msg = "Select an upper bound for Q or leave blank."
459	self.qmax_ctl.SetToolTipString(hint_msg)
460	self.qmin_ctl.Bind(wx.EVT_TEXT, self._on_pars_changed)
461	self.qmax_ctl.Bind(wx.EVT_TEXT, self._on_pars_changed)
462
463	iy = 0
464	sizer_q.Add(label_qmin, (iy, 0), (1, 1), wx.LEFT\|wx.EXPAND, 5)
465	sizer_q.Add(self.qmin_ctl, (iy, 1), (1, 1), wx.LEFT\|wx.EXPAND, 5)
466	#sizer_q.Add(label_qunits1, (iy,2), (1,1), wx.LEFT\|wx.EXPAND, 15)
467	sizer_q.Add(label_qmax, (iy, 2), (1, 1), wx.LEFT\|wx.EXPAND, 5)
468	sizer_q.Add(self.qmax_ctl, (iy, 3), (1, 1), wx.LEFT\|wx.EXPAND, 5)
469	sizer_q.Add(label_qunits2, (iy, 4), (1, 1), wx.LEFT\|wx.EXPAND, 5)
470	qboxsizer.Add(sizer_q, wx.TOP, 15)
471
472	iy_vb += 1
473	vbox.Add(qboxsizer, (iy_vb,0), (1,1),
474	wx.LEFT\|wx.RIGHT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 5)
475
476	# ----- Parameters -----
477	parsbox = wx.StaticBox(self, -1, "Parameters")
478	boxsizer2 = wx.StaticBoxSizer(parsbox, wx.VERTICAL)
479	boxsizer2.SetMinSize((self._default_width,50))
480
481	explanation = "P(r) is found by fitting a set of base functions"
482	explanation += " to I(Q). The minimization involves"
483	explanation += " a regularization term to ensure a smooth P(r)."
484	explanation += " The regularization constant gives the size of that "
485	explanation += "term. The suggested value is the value above which the"
486	explanation += " output P(r) will have only one peak."
487	label_explain = wx.StaticText(self, -1, explanation, size=(280,120))
488	boxsizer2.Add(label_explain, wx.LEFT\|wx.BOTTOM, 5)
489
490
491
492	label_nfunc = wx.StaticText(self, -1, "Number of terms")
493	label_nfunc.SetMinSize((120, 20))
494	label_alpha = wx.StaticText(self, -1, "Regularization constant")
495	label_dmax = wx.StaticText(self, -1, "Max distance [A]")
496	self.label_sugg = wx.StaticText(self, -1, "Suggested value")
497	#self.label_sugg.Hide()
498
499	self.nfunc_ctl = PrTextCtrl(self, -1, style=wx.TE_PROCESS_ENTER,
500	size=(60,20))
501	self.nfunc_ctl.SetToolTipString("Number of terms in the expansion.")
502	self.alpha_ctl = PrTextCtrl(self, -1, style=wx.TE_PROCESS_ENTER,
503	size=(60,20))
504	hint_msg = "Control parameter for the size of the regularization term."
505	self.alpha_ctl.SetToolTipString(hint_msg)
506	self.dmax_ctl = PrTextCtrl(self, -1, style=wx.TE_PROCESS_ENTER,
507	size=(60,20))
508	hint_msg = "Maximum distance between any two points in the system."
509	self.dmax_ctl.SetToolTipString(hint_msg)
510	id = wx.NewId()
511	self.alpha_estimate_ctl = wx.Button(self, id, "")
512	#self.alpha_estimate_ctl.Hide()
513	self.Bind(wx.EVT_BUTTON, self._on_accept_alpha, id = id)
514	self.alpha_estimate_ctl.Enable(False)
515	#self.alpha_estimate_ctl.SetBackgroundColour('#ffdf85')
516	#self.alpha_estimate_ctl.SetBackgroundColour(self.GetBackgroundColour())
517	self.alpha_estimate_ctl.SetToolTipString("Waiting for estimate...")
518
519	id = wx.NewId()
520	self.nterms_estimate_ctl = wx.Button(self, id, "")
521	#self.nterms_estimate_ctl.Hide()
522	self.Bind(wx.EVT_BUTTON, self._on_accept_nterms, id = id)
523	self.nterms_estimate_ctl.Enable(False)
524
525	self.nterms_estimate_ctl.SetToolTipString("Waiting for estimate...")
526
527	self.nfunc_ctl.Bind(wx.EVT_TEXT, self._read_pars)
528	self.alpha_ctl.Bind(wx.EVT_TEXT, self._read_pars)
529	self.dmax_ctl.Bind(wx.EVT_TEXT, self._on_pars_changed)
530
531	# Distance explorator
532	id = wx.NewId()
533	self.distance_explorator_ctl = wx.Button(self, id, "Explore")
534	self.Bind(wx.EVT_BUTTON, self._on_explore, id = id)
535
536
537	sizer_params = wx.GridBagSizer(5,5)
538
539	iy = 0
540	sizer_params.Add(self.label_sugg, (iy, 2), (1, 1), wx.LEFT, 15)
541	iy += 1
542	sizer_params.Add(label_nfunc, (iy, 0), (1, 1), wx.LEFT, 15)
543	sizer_params.Add(self.nfunc_ctl, (iy, 1), (1, 1), wx.RIGHT, 0)
544	sizer_params.Add(self.nterms_estimate_ctl, (iy, 2), (1, 1), wx.LEFT, 15)
545	iy += 1
546	sizer_params.Add(label_alpha, (iy, 0), (1, 1), wx.LEFT, 15)
547	sizer_params.Add(self.alpha_ctl, (iy, 1), (1, 1), wx.RIGHT, 0)
548	sizer_params.Add(self.alpha_estimate_ctl, (iy, 2), (1, 1), wx.LEFT, 15)
549	iy += 1
550	sizer_params.Add(label_dmax, (iy, 0), (1, 1), wx.LEFT, 15)
551	sizer_params.Add(self.dmax_ctl, (iy, 1), (1, 1), wx.RIGHT, 0)
552	sizer_params.Add(self.distance_explorator_ctl, (iy, 2),
553	(1, 1), wx.LEFT, 15)
554
555	boxsizer2.Add(sizer_params, 0)
556
557	iy_vb += 1
558	vbox.Add(boxsizer2, (iy_vb, 0), (1, 1),
559	wx.LEFT\|wx.RIGHT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 5)
560
561
562	# ----- Results -----
563	resbox = wx.StaticBox(self, -1, "Outputs")
564	ressizer = wx.StaticBoxSizer(resbox, wx.VERTICAL)
565	ressizer.SetMinSize((self._default_width, 50))
566
567	label_rg = wx.StaticText(self, -1, "Rg")
568	label_rg_unit = wx.StaticText(self, -1, "[A]")
569	label_iq0 = wx.StaticText(self, -1, "I(Q=0)")
570	label_iq0_unit = wx.StaticText(self, -1, "[A^(-1)]")
571	label_bck = wx.StaticText(self, -1, "Background")
572	label_bck_unit = wx.StaticText(self, -1, "[A^(-1)]")
573	self.rg_ctl = OutputTextCtrl(self, -1, size=(60,20))
574	hint_msg = "Radius of gyration for the computed P(r)."
575	self.rg_ctl.SetToolTipString(hint_msg)
576	self.iq0_ctl = OutputTextCtrl(self, -1, size=(60, 20))
577	hint_msg = "Scattering intensity at Q=0 for the computed P(r)."
578	self.iq0_ctl.SetToolTipString(hint_msg)
579	self.bck_ctl = OutputTextCtrl(self, -1, size=(60, 20))
580	self.bck_ctl.SetToolTipString("Value of estimated constant background.")
581
582	label_time = wx.StaticText(self, -1, "Computation time")
583	label_time_unit = wx.StaticText(self, -1, "secs")
584	label_time.SetMinSize((120,20))
585	label_chi2 = wx.StaticText(self, -1, "Chi2/dof")
586	label_osc = wx.StaticText(self, -1, "Oscillations")
587	label_pos = wx.StaticText(self, -1, "Positive fraction")
588	label_pos_err = wx.StaticText(self, -1, "1-sigma positive fraction")
589
590	self.time_ctl = OutputTextCtrl(self, -1, size=(60, 20))
591	hint_msg = "Computation time for the last inversion, in seconds."
592	self.time_ctl.SetToolTipString(hint_msg)
593
594	self.chi2_ctl = OutputTextCtrl(self, -1, size=(60, 20))
595	self.chi2_ctl.SetToolTipString("Chi^2 over degrees of freedom.")
596
597	# Oscillation parameter
598	self.osc_ctl = OutputTextCtrl(self, -1, size=(60, 20))
599	hint_msg = "Oscillation parameter. P(r) for a sphere has an "
600	hint_msg += " oscillation parameter of 1.1."
601	self.osc_ctl.SetToolTipString(hint_msg)
602
603	# Positive fraction figure of merit
604	self.pos_ctl = OutputTextCtrl(self, -1, size=(60, 20))
605	hint_msg = "Fraction of P(r) that is positive. "
606	hint_msg += "Theoretically, P(r) is defined positive."
607	self.pos_ctl.SetToolTipString(hint_msg)
608
609	# 1-simga positive fraction figure of merit
610	self.pos_err_ctl = OutputTextCtrl(self, -1, size=(60, 20))
611	message = "Fraction of P(r) that is at least 1 standard deviation"
612	message += " greater than zero.\n"
613	message += "This figure of merit tells you about the size of the "
614	message += "P(r) errors.\n"
615	message += "If it is close to 1 and the other figures of merit are bad,"
616	message += " consider changing the maximum distance."
617	self.pos_err_ctl.SetToolTipString(message)
618
619	sizer_res = wx.GridBagSizer(5, 5)
620
621	iy = 0
622	sizer_res.Add(label_rg, (iy, 0), (1, 1), wx.LEFT\|wx.EXPAND, 15)
623	sizer_res.Add(self.rg_ctl, (iy, 1), (1, 1), wx.RIGHT\|wx.EXPAND, 15)
624	sizer_res.Add(label_rg_unit, (iy, 2), (1, 1), wx.RIGHT\|wx.EXPAND, 15)
625	iy += 1
626	sizer_res.Add(label_iq0, (iy, 0), (1, 1), wx.LEFT\|wx.EXPAND, 15)
627	sizer_res.Add(self.iq0_ctl, (iy, 1), (1, 1), wx.RIGHT\|wx.EXPAND, 15)
628	sizer_res.Add(label_iq0_unit, (iy, 2), (1, 1), wx.RIGHT\|wx.EXPAND, 15)
629	iy += 1
630	sizer_res.Add(label_bck, (iy, 0), (1, 1), wx.LEFT\|wx.EXPAND, 15)
631	sizer_res.Add(self.bck_ctl, (iy, 1), (1, 1), wx.RIGHT\|wx.EXPAND, 15)
632	sizer_res.Add(label_bck_unit, (iy, 2), (1, 1), wx.RIGHT\|wx.EXPAND, 15)
633	iy += 1
634	sizer_res.Add(label_time, (iy, 0), (1, 1), wx.LEFT\|wx.EXPAND, 15)
635	sizer_res.Add(self.time_ctl, (iy, 1), (1, 1), wx.RIGHT\|wx.EXPAND, 15)
636	sizer_res.Add(label_time_unit, (iy, 2), (1, 1), wx.RIGHT\|wx.EXPAND, 15)
637	iy += 1
638	sizer_res.Add(label_chi2, (iy, 0), (1, 1), wx.LEFT\|wx.EXPAND, 15)
639	sizer_res.Add(self.chi2_ctl, (iy, 1), (1, 1), wx.RIGHT\|wx.EXPAND, 15)
640	iy += 1
641	sizer_res.Add(label_osc, (iy, 0), (1, 1), wx.LEFT\|wx.EXPAND, 15)
642	sizer_res.Add(self.osc_ctl, (iy, 1), (1, 1), wx.RIGHT\|wx.EXPAND, 15)
643
644	iy += 1
645	sizer_res.Add(label_pos, (iy, 0), (1, 1), wx.LEFT\|wx.EXPAND, 15)
646	sizer_res.Add(self.pos_ctl, (iy, 1), (1, 1), wx.RIGHT\|wx.EXPAND, 15)
647
648	iy += 1
649	sizer_res.Add(label_pos_err, (iy, 0), (1, 1), wx.LEFT\|wx.EXPAND, 15)
650	sizer_res.Add(self.pos_err_ctl, (iy,1), (1, 1), wx.RIGHT\|wx.EXPAND, 15)
651
652	ressizer.Add(sizer_res, 0)
653	iy_vb += 1
654	vbox.Add(ressizer, (iy_vb, 0), (1, 1),
655	wx.LEFT\|wx.RIGHT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 5)
656
657	# ----- Buttons -----
658	id = wx.NewId()
659	button_OK = wx.Button(self, id, "Compute")
660	button_OK.SetToolTipString("Perform P(r) inversion.")
661	self.Bind(wx.EVT_BUTTON, self._on_invert, id = id)
662
663	id = wx.NewId()
664	button_Reset = wx.Button(self, id, "Reset")
665	button_Reset.SetToolTipString("Reset inversion parameters to default.")
666	self.Bind(wx.EVT_BUTTON, self._on_reset, id = id)
667	#button_Cancel = wx.Button(self, wx.ID_CANCEL, "Cancel")
668
669	id = wx.NewId()
670	button_Save = wx.Button(self, id, "Save")
671	button_Save.SetToolTipString("Save the current P(r) work to file.")
672	self.Bind(wx.EVT_BUTTON, self._save_state, id=id)
673
674	sizer_button = wx.BoxSizer(wx.HORIZONTAL)
675	sizer_button.Add((20, 20), 1, wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
676	sizer_button.Add(button_Save, 0, wx.LEFT\|wx.ADJUST_MINSIZE, 10)
677	sizer_button.Add(button_Reset, 0, wx.LEFT\|wx.ADJUST_MINSIZE, 10)
678	sizer_button.Add(button_OK, 0, wx.LEFT\|wx.ADJUST_MINSIZE, 10)
679
680	iy_vb += 1
681	vbox.Add(sizer_button, (iy_vb, 0), (1, 1),
682	wx.EXPAND\|wx.BOTTOM\|wx.TOP\|wx.RIGHT, 10)
683
684	self.Bind(wx.EVT_TEXT_ENTER, self._on_invert)
685
686	self.SetSizer(vbox)
687
688	def _on_accept_alpha(self, evt):
689	"""
690	User has accepted the estimated alpha,
691	set it as part of the input parameters
692	"""
693	try:
694	alpha = self.alpha_estimate_ctl.GetLabel()
695	tmp = float(alpha)
696	self.alpha_ctl.SetValue(alpha)
697	except:
698	# No estimate or bad estimate, either do nothing
699	#import sys
700	print "InversionControl._on_accept_alpha: %s" % sys.exc_value
701	pass
702
703	def _on_accept_nterms(self, evt):
704	"""
705	User has accepted the estimated number of terms,
706	set it as part of the input parameters
707	"""
708	try:
709	nterms = self.nterms_estimate_ctl.GetLabel()
710	tmp = float(nterms)
711	self.nfunc_ctl.SetValue(nterms)
712	except:
713	# No estimate or bad estimate, either do nothing
714	import sys
715	print "InversionControl._on_accept_nterms: %s" % sys.exc_value
716	pass
717
718	def _on_reset(self, evt):
719	"""
720	Resets inversion parameters
721	"""
722	self.nfunc = self.manager.DEFAULT_NFUNC
723	self.d_max = self.manager.DEFAULT_DMAX
724	self.alpha = self.manager.DEFAULT_ALPHA
725	self.qmin_ctl.SetValue("")
726	self.qmax_ctl.SetValue("")
727	self.time_ctl.SetValue("")
728	self.rg_ctl.SetValue("")
729	self.iq0_ctl.SetValue("")
730	self.bck_ctl.SetValue("")
731	self.chi2_ctl.SetValue("")
732	self.osc_ctl.SetValue("")
733	self.pos_ctl.SetValue("")
734	self.pos_err_ctl.SetValue("")
735	self.alpha_estimate_ctl.Enable(False)
736	self.alpha_estimate_ctl.SetLabel("")
737	self.nterms_estimate_ctl.Enable(False)
738	self.nterms_estimate_ctl.SetLabel("")
739	self._on_pars_changed()
740
741	def _on_pars_changed(self, evt=None):
742	"""
743	Called when an input parameter has changed
744	We will estimate the alpha parameter behind the
745	scenes.
746	"""
747	flag, alpha, dmax, nfunc, qmin, qmax, height, width = self._read_pars()
748	has_bck = self.bck_chk.IsChecked()
749
750	# If the pars are valid, estimate alpha
751	if flag:
752	self.nterms_estimate_ctl.Enable(False)
753	self.alpha_estimate_ctl.Enable(False)
754
755	dataset = self.plot_data.GetValue()
756	self.manager.estimate_plot_inversion(alpha=alpha, nfunc=nfunc,
757	d_max=dmax,
758	q_min=qmin, q_max=qmax,
759	bck=has_bck,
760	height=height,
761	width=width)
762
763	def _read_pars(self, evt=None):
764	"""
765	"""
766	alpha = 0
767	nfunc = 5
768	dmax = 120
769	qmin = 0
770	qmax = 0
771	height = 0
772	width = 0
773	flag = True
774	# Read slit height
775	try:
776	height_str = self.sheight_ctl.GetValue()
777	if len(height_str.lstrip().rstrip()) == 0:
778	height = 0
779	else:
780	height = float(height_str)
781	self.sheight_ctl.SetBackgroundColour(wx.WHITE)
782	self.sheight_ctl.Refresh()
783	except:
784	flag = False
785	self.sheight_ctl.SetBackgroundColour("pink")
786	self.sheight_ctl.Refresh()
787
788	# Read slit width
789	try:
790	width_str = self.swidth_ctl.GetValue()
791	if len(width_str.lstrip().rstrip())==0:
792	width = 0
793	else:
794	width = float(width_str)
795	self.swidth_ctl.SetBackgroundColour(wx.WHITE)
796	self.swidth_ctl.Refresh()
797	except:
798	flag = False
799	self.swidth_ctl.SetBackgroundColour("pink")
800	self.swidth_ctl.Refresh()
801
802	# Read alpha
803	try:
804	alpha = float(self.alpha_ctl.GetValue())
805	self.alpha_ctl.SetBackgroundColour(wx.WHITE)
806	self.alpha_ctl.Refresh()
807	except:
808	flag = False
809	self.alpha_ctl.SetBackgroundColour("pink")
810	self.alpha_ctl.Refresh()
811
812	# Read d_max
813	try:
814	dmax = float(self.dmax_ctl.GetValue())
815	self.dmax_ctl.SetBackgroundColour(wx.WHITE)
816	self.dmax_ctl.Refresh()
817	except:
818	flag = False
819	self.dmax_ctl.SetBackgroundColour("pink")
820	self.dmax_ctl.Refresh()
821
822	# Read nfunc
823	try:
824	nfunc = int(self.nfunc_ctl.GetValue())
825	npts = self.manager.get_npts()
826	if npts > 0 and nfunc > npts:
827	message = "Number of function terms should be smaller "
828	message += "than the number of points"
829	wx.PostEvent(self.manager.parent, StatusEvent(status=message))
830	raise ValueError, message
831	self.nfunc_ctl.SetBackgroundColour(wx.WHITE)
832	self.nfunc_ctl.Refresh()
833	except:
834	flag = False
835	self.nfunc_ctl.SetBackgroundColour("pink")
836	self.nfunc_ctl.Refresh()
837
838	# Read qmin
839	try:
840	qmin_str = self.qmin_ctl.GetValue()
841	if len(qmin_str.lstrip().rstrip()) == 0:
842	qmin = None
843	else:
844	qmin = float(qmin_str)
845	self.qmin_ctl.SetBackgroundColour(wx.WHITE)
846	self.qmin_ctl.Refresh()
847	except:
848	flag = False
849	self.qmin_ctl.SetBackgroundColour("pink")
850	self.qmin_ctl.Refresh()
851
852	# Read qmax
853	try:
854	qmax_str = self.qmax_ctl.GetValue()
855	if len(qmax_str.lstrip().rstrip()) == 0:
856	qmax = None
857	else:
858	qmax = float(qmax_str)
859	self.qmax_ctl.SetBackgroundColour(wx.WHITE)
860	self.qmax_ctl.Refresh()
861	except:
862	flag = False
863	self.qmax_ctl.SetBackgroundColour("pink")
864	self.qmax_ctl.Refresh()
865
866	return flag, alpha, dmax, nfunc, qmin, qmax, height, width
867
868	def _on_explore(self, evt):
869	"""
870	Invoke the d_max exploration dialog
871	"""
872	from explore_dialog import ExploreDialog
873	if self.manager._last_pr is not None:
874	pr = self.manager._create_plot_pr()
875	dialog = ExploreDialog(pr, 10, None, -1, "")
876	dialog.ShowModal()
877	else:
878	message = "No data to analyze. Please load a data set to proceed."
879	wx.PostEvent(self.manager.parent, StatusEvent(status=message))
880
881	def _on_invert(self, evt):
882	"""
883	Perform inversion
884
885	:param silent: when True, there will be no output for the user
886
887	"""
888	# Get the data from the form
889	# Push it to the manager
890
891	flag, alpha, dmax, nfunc, qmin, qmax, height, width = self._read_pars()
892	has_bck = self.bck_chk.IsChecked()
893
894	if flag:
895	dataset = self.plot_data.GetValue()
896	if dataset==None or len(dataset.strip())==0:
897	message = "No data to invert. Select a data set before"
898	message += " proceeding with P(r) inversion."
899	wx.PostEvent(self.manager.parent, StatusEvent(status=message))
900	else:
901	self.manager.setup_plot_inversion(alpha=alpha, nfunc=nfunc,
902	d_max=dmax,
903	q_min=qmin, q_max=qmax,
904	bck=has_bck,
905	height=height,
906	width=width)
907	else:
908	message = "The P(r) form contains invalid values: "
909	message += "please submit it again."
910	wx.PostEvent(self.parent, StatusEvent(status=message))
911
912	def _change_file(self, evt=None, filepath=None, data=None):
913	"""
914	Choose a new input file for I(q)
915	"""
916	if not self.manager is None:
917	self.plot_data.SetValue(str(data.name))
918	try:
919	self.manager.show_data(data=data, reset=True)
920	self._on_pars_changed(None)
921	self._on_invert(None)
922	except:
923	msg = "InversionControl._change_file: %s" % sys.exc_value
924	logging.error(msg)
925
926	class HelpDialog(wx.Dialog):
927	"""
928	"""
929	def __init__(self, parent, id):
930	"""
931	"""
932	from sans.pr.invertor import help
933	wx.Dialog.__init__(self, parent, id, size=(400, 420))
934	self.SetTitle("P(r) help")
935
936
937	vbox = wx.BoxSizer(wx.VERTICAL)
938
939	explanation = help()
940
941	label_explain = wx.StaticText(self, -1, explanation, size=(350, 320))
942
943	vbox.Add(label_explain, 0, wx.ALL\|wx.EXPAND, 15)
944
945
946	static_line = wx.StaticLine(self, -1)
947	vbox.Add(static_line, 0, wx.EXPAND, 0)
948
949	button_OK = wx.Button(self, wx.ID_OK, "OK")
950	#button_Cancel = wx.Button(self, wx.ID_CANCEL, "Cancel")
951
952	sizer_button = wx.BoxSizer(wx.HORIZONTAL)
953	sizer_button.Add((20, 20), 1, wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
954	sizer_button.Add(button_OK, 0, wx.LEFT\|wx.RIGHT\|wx.ADJUST_MINSIZE, 10)
955
956	vbox.Add(sizer_button, 0, wx.EXPAND\|wx.BOTTOM\|wx.TOP, 10)
957
958	self.SetSizer(vbox)
959	self.SetAutoLayout(True)
960
961	self.Layout()
962	self.Centre()
963
964	class PrDistDialog(wx.Dialog):
965	"""
966	Property dialog to let the user change the number
967	of points on the P(r) plot.
968	"""
969	def __init__(self, parent, id):
970	from sans.pr.invertor import help
971	wx.Dialog.__init__(self, parent, id, size=(250, 120))
972	self.SetTitle("P(r) distribution")
973
974
975	vbox = wx.BoxSizer(wx.VERTICAL)
976
977	label_npts = wx.StaticText(self, -1, "Number of points")
978	self.npts_ctl = PrTextCtrl(self, -1, size=(100, 20))
979
980	pars_sizer = wx.GridBagSizer(5, 5)
981	iy = 0
982	pars_sizer.Add(label_npts, (iy, 0), (1, 1), wx.LEFT, 15)
983	pars_sizer.Add(self.npts_ctl, (iy, 1), (1, 1), wx.RIGHT, 0)
984
985	vbox.Add(pars_sizer, 0, wx.ALL\|wx.EXPAND, 15)
986
987	static_line = wx.StaticLine(self, -1)
988	vbox.Add(static_line, 0, wx.EXPAND, 0)
989
990	button_OK = wx.Button(self, wx.ID_OK, "OK")
991	self.Bind(wx.EVT_BUTTON, self._checkValues, button_OK)
992	button_Cancel = wx.Button(self, wx.ID_CANCEL, "Cancel")
993
994	sizer_button = wx.BoxSizer(wx.HORIZONTAL)
995	sizer_button.Add((20, 20), 1, wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
996	sizer_button.Add(button_OK, 0, wx.LEFT\|wx.RIGHT\|wx.ADJUST_MINSIZE, 10)
997	sizer_button.Add(button_Cancel, 0,
998	wx.LEFT\|wx.RIGHT\|wx.ADJUST_MINSIZE, 10)
999	vbox.Add(sizer_button, 0, wx.EXPAND\|wx.BOTTOM\|wx.TOP, 10)
1000
1001	self.SetSizer(vbox)
1002	self.SetAutoLayout(True)
1003
1004	self.Layout()
1005	self.Centre()
1006
1007	def _checkValues(self, event):
1008	"""
1009	Check the dialog content.
1010	"""
1011	flag = True
1012	try:
1013	int(self.npts_ctl.GetValue())
1014	self.npts_ctl.SetBackgroundColour(wx.WHITE)
1015	self.npts_ctl.Refresh()
1016	except:
1017	flag = False
1018	self.npts_ctl.SetBackgroundColour("pink")
1019	self.npts_ctl.Refresh()
1020	if flag:
1021	event.Skip(True)
1022
1023	def get_content(self):
1024	"""
1025	Return the content of the dialog.
1026	At this point the values have already been
1027	checked.
1028	"""
1029	value = int(self.npts_ctl.GetValue())
1030	return value
1031
1032	def set_content(self, npts):
1033	"""
1034	Initialize the content of the dialog.
1035	"""
1036	self.npts_ctl.SetValue("%i" % npts)
1037
1038	##### testing code ############################################################
1039	"""
1040	Example: ::
1041
1042	class TestPlot:
1043	def __init__(self, text):
1044	self.name = text
1045
1046	class MyApp(wx.App):
1047	def OnInit(self):
1048	wx.InitAllImageHandlers()
1049	dialog = PrDistDialog(None, -1)
1050	if dialog.ShowModal() == wx.ID_OK:
1051	pass
1052	dialog.Destroy()
1053
1054	return 1
1055
1056	# end of class MyApp
1057
1058	if __name__ == "__main__":
1059	app = MyApp(0)
1060	app.MainLoop()
1061
1062	"""
1063	##### end of testing code #####################################################

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SasView

source: sasview/prview/perspectives/pr/inversion_panel.py @ 8994b6b

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