inversion_panel.py @ a3149c5

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 a3149c5 was dd03efb, checked in by Gervaise Alina <gervyh@…>, 14 years ago
make sure pr is compute on set state
Property mode set to `100644`
File size: 39.3 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.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, parent)
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 on_save(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_data(self):
262	"""
263	"""
264	return self._manager.get_data()
265
266	def get_state(self):
267	"""
268	Get the current state
269
270	: return: state object
271	"""
272	# Construct the state object
273	state = InversionState()
274
275	# Read the panel's parameters
276	flag, alpha, dmax, nfunc, qmin, \
277	qmax, height, width = self._read_pars()
278
279	state.nfunc = nfunc
280	state.d_max = dmax
281	state.alpha = alpha
282	state.qmin = qmin
283	state.qmax = qmax
284	state.width = width
285	state.height = height
286
287	# Data file
288	state.file = self.plot_data.GetValue()
289
290	# Background evaluation checkbox
291	state.estimate_bck = self.bck_chk.IsChecked()
292
293	# Estimates
294	state.nterms_estimate = self.nterms_estimate
295	state.alpha_estimate = self.alpha_estimate
296
297	# Read the output values
298	state.chi2 = self.chi2
299	state.elapsed = self.elapsed
300	state.osc = self.oscillation
301	state.pos = self.pos
302	state.pos_err = self.pos_err
303	state.rg = self.rg
304	state.iq0 = self.iq0
305	state.bck = self.bck
306
307	return state
308
309	def set_state(self, state):
310	"""
311	Set the state of the panel and inversion problem to
312	the state passed as a parameter.
313	Execute the inversion immediately after filling the
314	controls.
315
316	:param state: InversionState object
317	"""
318	if state.nfunc is not None:
319	self.nfunc = state.nfunc
320	if state.d_max is not None:
321	self.d_max = state.d_max
322	if state.alpha is not None:
323	self.alpha = state.alpha
324	if state.qmin is not None:
325	self.q_min = state.qmin
326	if state.qmax is not None:
327	self.q_max = state.qmax
328	if state.width is not None:
329	self.slit_width = state.width
330	if state.height is not None:
331	self.slit_height = state.height
332
333	# Data file
334	self.plot_data.SetValue(str(state.file))
335
336	# Background evaluation checkbox
337	self.bck_chk.SetValue(state.estimate_bck)
338
339	# Estimates
340	if state.nterms_estimate is not None:
341	self.nterms_estimate = state.nterms_estimate
342	if state.alpha_estimate is not None:
343	self.alpha_estimate = state.alpha_estimate
344
345
346	# Read the output values
347	if state.chi2 is not None:
348	self.chi2 = state.chi2
349	if state.elapsed is not None:
350	self.elapsed = state.elapsed
351	if state.osc is not None:
352	self.oscillation = state.osc
353	if state.pos is not None:
354	self.positive = state.pos
355	if state.pos_err is not None:
356	self.pos_err = state.pos_err
357	if state.rg is not None:
358	self.rg = state.rg
359	if state.iq0 is not None:
360	self.iq0 = state.iq0
361	if state.bck is not None:
362	self.bck = state.bck
363
364	# Perform inversion
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	self._set_reset_flag(True)
668	self._set_save_flag(True)
669	sizer_button = wx.BoxSizer(wx.HORIZONTAL)
670	sizer_button.Add((20, 20), 1, wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
671	sizer_button.Add(button_OK, 0, wx.LEFT\|wx.ADJUST_MINSIZE, 10)
672
673	iy_vb += 1
674	vbox.Add(sizer_button, (iy_vb, 0), (1, 1),
675	wx.EXPAND\|wx.BOTTOM\|wx.TOP\|wx.RIGHT, 10)
676
677	self.Bind(wx.EVT_TEXT_ENTER, self._on_invert)
678
679	self.SetSizer(vbox)
680
681	def _on_accept_alpha(self, evt):
682	"""
683	User has accepted the estimated alpha,
684	set it as part of the input parameters
685	"""
686	try:
687	alpha = self.alpha_estimate_ctl.GetLabel()
688	tmp = float(alpha)
689	self.alpha_ctl.SetValue(alpha)
690	except:
691	# No estimate or bad estimate, either do nothing
692	#import sys
693	print "InversionControl._on_accept_alpha: %s" % sys.exc_value
694	pass
695
696	def _on_accept_nterms(self, evt):
697	"""
698	User has accepted the estimated number of terms,
699	set it as part of the input parameters
700	"""
701	try:
702	nterms = self.nterms_estimate_ctl.GetLabel()
703	tmp = float(nterms)
704	self.nfunc_ctl.SetValue(nterms)
705	except:
706	# No estimate or bad estimate, either do nothing
707	import sys
708	print "InversionControl._on_accept_nterms: %s" % sys.exc_value
709	pass
710
711	def on_reset(self, event):
712	"""
713	Resets inversion parameters
714	"""
715	self.nfunc = self._manager.DEFAULT_NFUNC
716	self.d_max = self._manager.DEFAULT_DMAX
717	self.alpha = self._manager.DEFAULT_ALPHA
718	self.qmin_ctl.SetValue("")
719	self.qmax_ctl.SetValue("")
720	self.time_ctl.SetValue("")
721	self.rg_ctl.SetValue("")
722	self.iq0_ctl.SetValue("")
723	self.bck_ctl.SetValue("")
724	self.chi2_ctl.SetValue("")
725	self.osc_ctl.SetValue("")
726	self.pos_ctl.SetValue("")
727	self.pos_err_ctl.SetValue("")
728	self.alpha_estimate_ctl.Enable(False)
729	self.alpha_estimate_ctl.SetLabel("")
730	self.nterms_estimate_ctl.Enable(False)
731	self.nterms_estimate_ctl.SetLabel("")
732	self._on_pars_changed()
733
734	def _on_pars_changed(self, evt=None):
735	"""
736	Called when an input parameter has changed
737	We will estimate the alpha parameter behind the
738	scenes.
739	"""
740	flag, alpha, dmax, nfunc, qmin, qmax, height, width = self._read_pars()
741	has_bck = self.bck_chk.IsChecked()
742
743	# If the pars are valid, estimate alpha
744	if flag:
745	self.nterms_estimate_ctl.Enable(False)
746	self.alpha_estimate_ctl.Enable(False)
747
748	dataset = self.plot_data.GetValue()
749	self._manager.estimate_plot_inversion(alpha=alpha, nfunc=nfunc,
750	d_max=dmax,
751	q_min=qmin, q_max=qmax,
752	bck=has_bck,
753	height=height,
754	width=width)
755
756	def _read_pars(self, evt=None):
757	"""
758	"""
759	alpha = 0
760	nfunc = 5
761	dmax = 120
762	qmin = 0
763	qmax = 0
764	height = 0
765	width = 0
766	flag = True
767	# Read slit height
768	try:
769	height_str = self.sheight_ctl.GetValue()
770	if len(height_str.lstrip().rstrip()) == 0:
771	height = 0
772	else:
773	height = float(height_str)
774	self.sheight_ctl.SetBackgroundColour(wx.WHITE)
775	self.sheight_ctl.Refresh()
776	except:
777	flag = False
778	self.sheight_ctl.SetBackgroundColour("pink")
779	self.sheight_ctl.Refresh()
780
781	# Read slit width
782	try:
783	width_str = self.swidth_ctl.GetValue()
784	if len(width_str.lstrip().rstrip())==0:
785	width = 0
786	else:
787	width = float(width_str)
788	self.swidth_ctl.SetBackgroundColour(wx.WHITE)
789	self.swidth_ctl.Refresh()
790	except:
791	flag = False
792	self.swidth_ctl.SetBackgroundColour("pink")
793	self.swidth_ctl.Refresh()
794
795	# Read alpha
796	try:
797	alpha = float(self.alpha_ctl.GetValue())
798	self.alpha_ctl.SetBackgroundColour(wx.WHITE)
799	self.alpha_ctl.Refresh()
800	except:
801	flag = False
802	self.alpha_ctl.SetBackgroundColour("pink")
803	self.alpha_ctl.Refresh()
804
805	# Read d_max
806	try:
807	dmax = float(self.dmax_ctl.GetValue())
808	self.dmax_ctl.SetBackgroundColour(wx.WHITE)
809	self.dmax_ctl.Refresh()
810	except:
811	flag = False
812	self.dmax_ctl.SetBackgroundColour("pink")
813	self.dmax_ctl.Refresh()
814
815	# Read nfunc
816	try:
817	nfunc = int(self.nfunc_ctl.GetValue())
818	npts = self._manager.get_npts()
819	if npts > 0 and nfunc > npts:
820	message = "Number of function terms should be smaller "
821	message += "than the number of points"
822	wx.PostEvent(self._manager.parent, StatusEvent(status=message))
823	raise ValueError, message
824	self.nfunc_ctl.SetBackgroundColour(wx.WHITE)
825	self.nfunc_ctl.Refresh()
826	except:
827	flag = False
828	self.nfunc_ctl.SetBackgroundColour("pink")
829	self.nfunc_ctl.Refresh()
830
831	# Read qmin
832	try:
833	qmin_str = self.qmin_ctl.GetValue()
834	if len(qmin_str.lstrip().rstrip()) == 0:
835	qmin = None
836	else:
837	qmin = float(qmin_str)
838	self.qmin_ctl.SetBackgroundColour(wx.WHITE)
839	self.qmin_ctl.Refresh()
840	except:
841	flag = False
842	self.qmin_ctl.SetBackgroundColour("pink")
843	self.qmin_ctl.Refresh()
844
845	# Read qmax
846	try:
847	qmax_str = self.qmax_ctl.GetValue()
848	if len(qmax_str.lstrip().rstrip()) == 0:
849	qmax = None
850	else:
851	qmax = float(qmax_str)
852	self.qmax_ctl.SetBackgroundColour(wx.WHITE)
853	self.qmax_ctl.Refresh()
854	except:
855	flag = False
856	self.qmax_ctl.SetBackgroundColour("pink")
857	self.qmax_ctl.Refresh()
858
859	return flag, alpha, dmax, nfunc, qmin, qmax, height, width
860
861	def _on_explore(self, evt):
862	"""
863	Invoke the d_max exploration dialog
864	"""
865	from explore_dialog import ExploreDialog
866	if self._manager._last_pr is not None:
867	pr = self._manager._create_plot_pr()
868	dialog = ExploreDialog(pr, 10, None, -1, "")
869	dialog.ShowModal()
870	else:
871	message = "No data to analyze. Please load a data set to proceed."
872	wx.PostEvent(self._manager.parent, StatusEvent(status=message))
873
874	def _on_invert(self, evt):
875	"""
876	Perform inversion
877
878	:param silent: when True, there will be no output for the user
879
880	"""
881	# Get the data from the form
882	# Push it to the manager
883
884	flag, alpha, dmax, nfunc, qmin, qmax, height, width = self._read_pars()
885	has_bck = self.bck_chk.IsChecked()
886
887	if flag:
888	dataset = self.plot_data.GetValue()
889	if dataset==None or len(dataset.strip())==0:
890	message = "No data to invert. Select a data set before"
891	message += " proceeding with P(r) inversion."
892	wx.PostEvent(self._manager.parent, StatusEvent(status=message))
893	else:
894	self._manager.setup_plot_inversion(alpha=alpha, nfunc=nfunc,
895	d_max=dmax,
896	q_min=qmin, q_max=qmax,
897	bck=has_bck,
898	height=height,
899	width=width)
900	else:
901	message = "The P(r) form contains invalid values: "
902	message += "please submit it again."
903	wx.PostEvent(self.parent, StatusEvent(status=message))
904
905	def _change_file(self, evt=None, filepath=None, data=None):
906	"""
907	Choose a new input file for I(q)
908	"""
909	if not self._manager is None:
910	self.plot_data.SetValue(str(data.name))
911	try:
912	self._manager.show_data(data=data, reset=True)
913	self._on_pars_changed(None)
914	self._on_invert(None)
915	except:
916	msg = "InversionControl._change_file: %s" % sys.exc_value
917	logging.error(msg)
918
919	class HelpDialog(wx.Dialog):
920	"""
921	"""
922	def __init__(self, parent, id):
923	"""
924	"""
925	from sans.pr.invertor import help
926	wx.Dialog.__init__(self, parent, id, size=(400, 420))
927	self.SetTitle("P(r) help")
928
929
930	vbox = wx.BoxSizer(wx.VERTICAL)
931
932	explanation = help()
933
934	label_explain = wx.StaticText(self, -1, explanation, size=(350, 320))
935
936	vbox.Add(label_explain, 0, wx.ALL\|wx.EXPAND, 15)
937
938
939	static_line = wx.StaticLine(self, -1)
940	vbox.Add(static_line, 0, wx.EXPAND, 0)
941
942	button_OK = wx.Button(self, wx.ID_OK, "OK")
943	#button_Cancel = wx.Button(self, wx.ID_CANCEL, "Cancel")
944
945	sizer_button = wx.BoxSizer(wx.HORIZONTAL)
946	sizer_button.Add((20, 20), 1, wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
947	sizer_button.Add(button_OK, 0, wx.LEFT\|wx.RIGHT\|wx.ADJUST_MINSIZE, 10)
948
949	vbox.Add(sizer_button, 0, wx.EXPAND\|wx.BOTTOM\|wx.TOP, 10)
950
951	self.SetSizer(vbox)
952	self.SetAutoLayout(True)
953
954	self.Layout()
955	self.Centre()
956
957	class PrDistDialog(wx.Dialog):
958	"""
959	Property dialog to let the user change the number
960	of points on the P(r) plot.
961	"""
962	def __init__(self, parent, id):
963	from sans.pr.invertor import help
964	wx.Dialog.__init__(self, parent, id, size=(250, 120))
965	self.SetTitle("P(r) distribution")
966
967
968	vbox = wx.BoxSizer(wx.VERTICAL)
969
970	label_npts = wx.StaticText(self, -1, "Number of points")
971	self.npts_ctl = PrTextCtrl(self, -1, size=(100, 20))
972
973	pars_sizer = wx.GridBagSizer(5, 5)
974	iy = 0
975	pars_sizer.Add(label_npts, (iy, 0), (1, 1), wx.LEFT, 15)
976	pars_sizer.Add(self.npts_ctl, (iy, 1), (1, 1), wx.RIGHT, 0)
977
978	vbox.Add(pars_sizer, 0, wx.ALL\|wx.EXPAND, 15)
979
980	static_line = wx.StaticLine(self, -1)
981	vbox.Add(static_line, 0, wx.EXPAND, 0)
982
983	button_OK = wx.Button(self, wx.ID_OK, "OK")
984	self.Bind(wx.EVT_BUTTON, self._checkValues, button_OK)
985	button_Cancel = wx.Button(self, wx.ID_CANCEL, "Cancel")
986
987	sizer_button = wx.BoxSizer(wx.HORIZONTAL)
988	sizer_button.Add((20, 20), 1, wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
989	sizer_button.Add(button_OK, 0, wx.LEFT\|wx.RIGHT\|wx.ADJUST_MINSIZE, 10)
990	sizer_button.Add(button_Cancel, 0,
991	wx.LEFT\|wx.RIGHT\|wx.ADJUST_MINSIZE, 10)
992	vbox.Add(sizer_button, 0, wx.EXPAND\|wx.BOTTOM\|wx.TOP, 10)
993
994	self.SetSizer(vbox)
995	self.SetAutoLayout(True)
996
997	self.Layout()
998	self.Centre()
999
1000	def _checkValues(self, event):
1001	"""
1002	Check the dialog content.
1003	"""
1004	flag = True
1005	try:
1006	int(self.npts_ctl.GetValue())
1007	self.npts_ctl.SetBackgroundColour(wx.WHITE)
1008	self.npts_ctl.Refresh()
1009	except:
1010	flag = False
1011	self.npts_ctl.SetBackgroundColour("pink")
1012	self.npts_ctl.Refresh()
1013	if flag:
1014	event.Skip(True)
1015
1016	def get_content(self):
1017	"""
1018	Return the content of the dialog.
1019	At this point the values have already been
1020	checked.
1021	"""
1022	value = int(self.npts_ctl.GetValue())
1023	return value
1024
1025	def set_content(self, npts):
1026	"""
1027	Initialize the content of the dialog.
1028	"""
1029	self.npts_ctl.SetValue("%i" % npts)
1030
1031	##### testing code ############################################################
1032	"""
1033	Example: ::
1034
1035	class TestPlot:
1036	def __init__(self, text):
1037	self.name = text
1038
1039	class MyApp(wx.App):
1040	def OnInit(self):
1041	wx.InitAllImageHandlers()
1042	dialog = PrDistDialog(None, -1)
1043	if dialog.ShowModal() == wx.ID_OK:
1044	pass
1045	dialog.Destroy()
1046
1047	return 1
1048
1049	# end of class MyApp
1050
1051	if __name__ == "__main__":
1052	app = MyApp(0)
1053	app.MainLoop()
1054
1055	"""
1056	##### end of testing code #####################################################

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SasView

source: sasview/prview/perspectives/pr/inversion_panel.py @ a3149c5

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