inversion_panel.py @ cf6a192

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 cf6a192 was b35d3d1, checked in by Jae Cho <jhjcho@…>, 14 years ago
save state file: working, but more work to do
Property mode set to `100644`
File size: 39.0 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, DataFileTextCtrl, OutputTextCtrl
15
16
17
18	class InversionControl(ScrolledPanel):
19	"""
20	"""
21	window_name = 'pr_control'
22	window_caption = "P(r) control panel"
23	CENTER_PANE = True
24
25	# Figure of merit parameters [default]
26
27	## Oscillation parameters (sin function = 1.1)
28	oscillation_max = 1.5
29
30	def __init__(self, parent, id = -1, plots = None, standalone=False, **kwargs):
31	"""
32	"""
33	ScrolledPanel.__init__(self, parent, id = id, **kwargs)
34	self.SetupScrolling()
35
36	self.plots = plots
37	self.radio_buttons = {}
38	self.parent = parent
39
40	## Data file TextCtrl
41	self.data_file = None
42	self.plot_data = None
43	self.nfunc_ctl = None
44	self.alpha_ctl = None
45	self.dmax_ctl = None
46	self.time_ctl = None
47	self.chi2_ctl = None
48	self.osc_ctl = None
49	self.file_radio = None
50	self.plot_radio = None
51	self.label_sugg = None
52	self.qmin_ctl = None
53	self.qmax_ctl = None
54	self.swidth_ctl = None
55	self.sheight_ctl = None
56
57	self.rg_ctl = None
58	self.iq0_ctl = None
59	self.bck_chk = None
60	self.bck_ctl = None
61
62	# TextCtrl for fraction of positive P(r)
63	self.pos_ctl = None
64
65	# TextCtrl for fraction of 1 sigma positive P(r)
66	self.pos_err_ctl = None
67
68	## Estimates
69	self.alpha_estimate_ctl = None
70	self.nterms_estimate_ctl = None
71
72	## D_max distance explorator
73	self.distance_explorator_ctl = None
74
75	## Data manager
76	self.manager = None
77
78	## Standalone flage
79	self.standalone = standalone
80
81	## Default file location for save
82	self._default_save_location = os.getcwd()
83
84
85	# Default width
86	self._default_width = 350
87	self._do_layout()
88
89	def __setattr__(self, name, value):
90	"""
91	Allow direct hooks to text boxes
92	"""
93	if name=='nfunc':
94	self.nfunc_ctl.SetValue(str(int(value)))
95	elif name=='d_max':
96	self.dmax_ctl.SetValue(str(value))
97	elif name=='alpha':
98	self.alpha_ctl.SetValue(str(value))
99	elif name=='chi2':
100	self.chi2_ctl.SetValue("%-5.2g" % value)
101	elif name=='bck':
102	self.bck_ctl.SetValue("%-5.2g" % value)
103	elif name=='q_min':
104	self.qmin_ctl.SetValue("%-5.2g" % value)
105	elif name=='q_max':
106	self.qmax_ctl.SetValue("%-5.2g" % value)
107	elif name=='elapsed':
108	self.time_ctl.SetValue("%-5.2g" % value)
109	elif name=='rg':
110	self.rg_ctl.SetValue("%-5.2g" % value)
111	elif name=='iq0':
112	self.iq0_ctl.SetValue("%-5.2g" % value)
113	elif name=='oscillation':
114	self.osc_ctl.SetValue("%-5.2g" % value)
115	elif name=='slit_width':
116	self.swidth_ctl.SetValue("%-5.2g" % value)
117	elif name=='slit_height':
118	self.sheight_ctl.SetValue("%-5.2g" % value)
119	elif name=='positive':
120	self.pos_ctl.SetValue("%-5.2g" % value)
121	elif name=='pos_err':
122	self.pos_err_ctl.SetValue("%-5.2g" % value)
123	elif name=='alpha_estimate':
124	self.alpha_estimate_ctl.SetToolTipString("Click to accept value.")
125	self.alpha_estimate_ctl.Enable(True)
126	self.alpha_estimate_ctl.SetLabel("%-3.1g" % value)
127	#self.alpha_estimate_ctl.Show()
128	#self.label_sugg.Show()
129	elif name=='nterms_estimate':
130	self.nterms_estimate_ctl.SetToolTipString("Click to accept value.")
131	self.nterms_estimate_ctl.Enable(True)
132	self.nterms_estimate_ctl.SetLabel("%-g" % value)
133	elif name=='plotname':
134	self.plot_data.SetValue(str(value))
135	self._on_pars_changed(None)
136	elif name=='datafile':
137	self.plot_data.SetValue(str(value))
138	self._on_pars_changed(None)
139	else:
140	wx.Panel.__setattr__(self, name, value)
141
142	def __getattr__(self, name):
143	"""
144	Allow direct hooks to text boxes
145	"""
146	if name=='nfunc':
147	try:
148	return int(self.nfunc_ctl.GetValue())
149	except:
150	return -1
151	elif name=='d_max':
152	try:
153	return self.dmax_ctl.GetValue()
154	except:
155	return -1.0
156	elif name=='alpha':
157	try:
158	return self.alpha_ctl.GetValue()
159	except:
160	return -1.0
161	elif name=='chi2':
162	try:
163	return float(self.chi2_ctl.GetValue())
164	except:
165	return None
166	elif name=='bck':
167	try:
168	return float(self.bck_ctl.GetValue())
169	except:
170	return None
171	elif name=='q_min':
172	try:
173	return float(self.qmin_ctl.GetValue())
174	except:
175	return 0.0
176	elif name=='q_max':
177	try:
178	return float(self.qmax_ctl.GetValue())
179	except:
180	return 0.0
181	elif name=='elapsed':
182	try:
183	return float(self.time_ctl.GetValue())
184	except:
185	return None
186	elif name=='rg':
187	try:
188	return float(self.rg_ctl.GetValue())
189	except:
190	return None
191	elif name=='iq0':
192	try:
193	return float(self.iq0_ctl.GetValue())
194	except:
195	return None
196	elif name=='oscillation':
197	try:
198	return float(self.osc_ctl.GetValue())
199	except:
200	return None
201	elif name=='slit_width':
202	try:
203	return float(self.swidth_ctl.GetValue())
204	except:
205	return None
206	elif name=='slit_height':
207	try:
208	return float(self.sheight_ctl.GetValue())
209	except:
210	return None
211	elif name=='pos':
212	try:
213	return float(self.pos_ctl.GetValue())
214	except:
215	return None
216	elif name=='pos_err':
217	try:
218	return float(self.pos_err_ctl.GetValue())
219	except:
220	return None
221	elif name=='alpha_estimate':
222	try:
223	return float(self.alpha_estimate_ctl.GetLabel())
224	except:
225	return None
226	elif name=='nterms_estimate':
227	try:
228	return int(self.nterms_estimate_ctl.GetLabel())
229	except:
230	return None
231	elif name=='plotname':
232	return self.plot_data.GetValue()
233	elif name=='datafile':
234	return self.plot_data.GetValue()
235	else:
236	return wx.Panel.__getattribute__(self, name)
237
238	def _save_state(self, evt=None):
239	"""
240	Method used to create a memento of the current state
241
242	:return: state object
243	"""
244	# Ask the user the location of the file to write to.
245	path = None
246	dlg = wx.FileDialog(self, "Choose a file", self._default_save_location, "", "*.prv", wx.SAVE)
247	if dlg.ShowModal() == wx.ID_OK:
248	path = dlg.GetPath()
249	self._default_save_location = os.path.dirname(path)
250	else:
251	return None
252
253	dlg.Destroy()
254
255	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), wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
380
381	self.plot_data = DataFileTextCtrl(self, -1, size=(260,20))
382
383	pars_sizer.Add(self.plot_data, (iy,1), (1,1), wx.EXPAND\|wx.LEFT\|wx.RIGHT\|wx.ADJUST_MINSIZE, 15)
384
385	self.bck_chk = wx.CheckBox(self, -1, "Estimate background level")
386	self.bck_chk.SetToolTipString("Check box to let the fit estimate the constant background level.")
387	self.bck_chk.Bind(wx.EVT_CHECKBOX, self._on_pars_changed)
388	iy += 1
389	pars_sizer.Add(self.bck_chk, (iy,0), (1,2), wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
390	boxsizer1.Add(pars_sizer, 0, wx.EXPAND)
391	vbox.Add(boxsizer1, (iy_vb,0), (1,1), wx.LEFT\|wx.RIGHT\|wx.EXPAND\|wx.ADJUST_MINSIZE\|wx.TOP, 5)
392
393	# ----- Add slit parameters -----
394	if True:
395	sbox = wx.StaticBox(self, -1, "Slit parameters")
396	sboxsizer = wx.StaticBoxSizer(sbox, wx.VERTICAL)
397	sboxsizer.SetMinSize((self._default_width,20))
398
399	sizer_slit = wx.GridBagSizer(5,5)
400
401	label_sheight = wx.StaticText(self, -1, "Height", size=(40,20))
402	label_swidth = wx.StaticText(self, -1, "Width", size=(40,20))
403	#label_sunits1 = wx.StaticText(self, -1, "[A^(-1)]")
404	label_sunits2 = wx.StaticText(self, -1, "[A^(-1)]", size=(55,20))
405	self.sheight_ctl = PrTextCtrl(self, -1, style=wx.TE_PROCESS_ENTER, size=(60,20))
406	self.swidth_ctl = PrTextCtrl(self, -1, style=wx.TE_PROCESS_ENTER, size=(60,20))
407	self.sheight_ctl.SetToolTipString("Enter slit height in units of Q or leave blank.")
408	self.swidth_ctl.SetToolTipString("Enter slit width in units of Q or leave blank.")
409	#self.sheight_ctl.Bind(wx.EVT_TEXT, self._on_pars_changed)
410	#self.swidth_ctl.Bind(wx.EVT_TEXT, self._on_pars_changed)
411
412	iy = 0
413	sizer_slit.Add(label_sheight, (iy,0), (1,1), wx.LEFT\|wx.EXPAND, 5)
414	sizer_slit.Add(self.sheight_ctl, (iy,1), (1,1), wx.LEFT\|wx.EXPAND, 5)
415	#sizer_slit.Add(label_sunits1, (iy,2), (1,1), wx.LEFT\|wx.EXPAND, 10)
416	sizer_slit.Add(label_swidth, (iy,2), (1,1), wx.LEFT\|wx.EXPAND, 5)
417	sizer_slit.Add(self.swidth_ctl, (iy,3), (1,1), wx.LEFT\|wx.EXPAND, 5)
418	sizer_slit.Add(label_sunits2, (iy,4), (1,1), wx.LEFT\|wx.EXPAND, 5)
419
420	sboxsizer.Add(sizer_slit, wx.TOP, 15)
421	iy_vb += 1
422	vbox.Add(sboxsizer, (iy_vb,0), (1,1), wx.LEFT\|wx.RIGHT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 5)
423
424
425	# ----- Q range -----
426	qbox = wx.StaticBox(self, -1, "Q range")
427	qboxsizer = wx.StaticBoxSizer(qbox, wx.VERTICAL)
428	qboxsizer.SetMinSize((self._default_width,20))
429
430	sizer_q = wx.GridBagSizer(5,5)
431
432	label_qmin = wx.StaticText(self, -1, "Q min", size=(40,20))
433	label_qmax = wx.StaticText(self, -1, "Q max", size=(40,20))
434	#label_qunits1 = wx.StaticText(self, -1, "[A^(-1)]")
435	label_qunits2 = wx.StaticText(self, -1, "[A^(-1)]", size=(55,20))
436	self.qmin_ctl = PrTextCtrl(self, -1, style=wx.TE_PROCESS_ENTER, size=(60,20))
437	self.qmax_ctl = PrTextCtrl(self, -1, style=wx.TE_PROCESS_ENTER, size=(60,20))
438	self.qmin_ctl.SetToolTipString("Select a lower bound for Q or leave blank.")
439	self.qmax_ctl.SetToolTipString("Select an upper bound for Q or leave blank.")
440	self.qmin_ctl.Bind(wx.EVT_TEXT, self._on_pars_changed)
441	self.qmax_ctl.Bind(wx.EVT_TEXT, self._on_pars_changed)
442
443	iy = 0
444	sizer_q.Add(label_qmin, (iy,0), (1,1), wx.LEFT\|wx.EXPAND, 5)
445	sizer_q.Add(self.qmin_ctl, (iy,1), (1,1), wx.LEFT\|wx.EXPAND, 5)
446	#sizer_q.Add(label_qunits1, (iy,2), (1,1), wx.LEFT\|wx.EXPAND, 15)
447	sizer_q.Add(label_qmax, (iy,2), (1,1), wx.LEFT\|wx.EXPAND, 5)
448	sizer_q.Add(self.qmax_ctl, (iy,3), (1,1), wx.LEFT\|wx.EXPAND, 5)
449	sizer_q.Add(label_qunits2, (iy,4), (1,1), wx.LEFT\|wx.EXPAND, 5)
450	qboxsizer.Add(sizer_q, wx.TOP, 15)
451
452	iy_vb += 1
453	vbox.Add(qboxsizer, (iy_vb,0), (1,1), wx.LEFT\|wx.RIGHT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 5)
454
455
456
457
458	# ----- Parameters -----
459	parsbox = wx.StaticBox(self, -1, "Parameters")
460	boxsizer2 = wx.StaticBoxSizer(parsbox, wx.VERTICAL)
461	boxsizer2.SetMinSize((self._default_width,50))
462
463	explanation = "P(r) is found by fitting a set of base functions to I(Q). "
464	explanation += "The minimization involves a regularization term to ensure "
465	explanation += "a smooth P(r). The regularization constant gives the size of that "
466	explanation += "term. The suggested value is the value above which the "
467	explanation += "output P(r) will have only one peak."
468	label_explain = wx.StaticText(self, -1, explanation, size=(280,120))
469	boxsizer2.Add(label_explain, wx.LEFT\|wx.BOTTOM, 5)
470
471
472
473	label_nfunc = wx.StaticText(self, -1, "Number of terms")
474	label_nfunc.SetMinSize((120,20))
475	label_alpha = wx.StaticText(self, -1, "Regularization constant")
476	label_dmax = wx.StaticText(self, -1, "Max distance [A]")
477	self.label_sugg = wx.StaticText(self, -1, "Suggested value")
478	#self.label_sugg.Hide()
479
480	self.nfunc_ctl = PrTextCtrl(self, -1, style=wx.TE_PROCESS_ENTER, size=(60,20))
481	self.nfunc_ctl.SetToolTipString("Number of terms in the expansion.")
482	self.alpha_ctl = PrTextCtrl(self, -1, style=wx.TE_PROCESS_ENTER, size=(60,20))
483	self.alpha_ctl.SetToolTipString("Control parameter for the size of the regularization term.")
484	self.dmax_ctl = PrTextCtrl(self, -1, style=wx.TE_PROCESS_ENTER, size=(60,20))
485	self.dmax_ctl.SetToolTipString("Maximum distance between any two points in the system.")
486	id = wx.NewId()
487	self.alpha_estimate_ctl = wx.Button(self, id, "")
488	#self.alpha_estimate_ctl.Hide()
489	self.Bind(wx.EVT_BUTTON, self._on_accept_alpha, id = id)
490	self.alpha_estimate_ctl.Enable(False)
491	#self.alpha_estimate_ctl.SetBackgroundColour('#ffdf85')
492	#self.alpha_estimate_ctl.SetBackgroundColour(self.GetBackgroundColour())
493	self.alpha_estimate_ctl.SetToolTipString("Waiting for estimate...")
494
495	id = wx.NewId()
496	self.nterms_estimate_ctl = wx.Button(self, id, "")
497	#self.nterms_estimate_ctl.Hide()
498	self.Bind(wx.EVT_BUTTON, self._on_accept_nterms, id = id)
499	self.nterms_estimate_ctl.Enable(False)
500	#self.nterms_estimate_ctl.SetBackgroundColour('#ffdf85')
501	#self.nterms_estimate_ctl.SetBackgroundColour(self.GetBackgroundColour())
502	self.nterms_estimate_ctl.SetToolTipString("Waiting for estimate...")
503
504	self.nfunc_ctl.Bind(wx.EVT_TEXT, self._read_pars)
505	self.alpha_ctl.Bind(wx.EVT_TEXT, self._read_pars)
506	self.dmax_ctl.Bind(wx.EVT_TEXT, self._on_pars_changed)
507
508	# Distance explorator
509	id = wx.NewId()
510	self.distance_explorator_ctl = wx.Button(self, id, "Explore")
511	self.Bind(wx.EVT_BUTTON, self._on_explore, id = id)
512
513
514	sizer_params = wx.GridBagSizer(5,5)
515
516	iy = 0
517	sizer_params.Add(self.label_sugg, (iy,2), (1,1), wx.LEFT, 15)
518	iy += 1
519	sizer_params.Add(label_nfunc, (iy,0), (1,1), wx.LEFT, 15)
520	sizer_params.Add(self.nfunc_ctl, (iy,1), (1,1), wx.RIGHT, 0)
521	sizer_params.Add(self.nterms_estimate_ctl, (iy,2), (1,1), wx.LEFT, 15)
522	iy += 1
523	sizer_params.Add(label_alpha, (iy,0), (1,1), wx.LEFT, 15)
524	sizer_params.Add(self.alpha_ctl, (iy,1), (1,1), wx.RIGHT, 0)
525	sizer_params.Add(self.alpha_estimate_ctl, (iy,2), (1,1), wx.LEFT, 15)
526	iy += 1
527	sizer_params.Add(label_dmax, (iy,0), (1,1), wx.LEFT, 15)
528	sizer_params.Add(self.dmax_ctl, (iy,1), (1,1), wx.RIGHT, 0)
529	sizer_params.Add(self.distance_explorator_ctl, (iy,2), (1,1), wx.LEFT, 15)
530
531	boxsizer2.Add(sizer_params, 0)
532
533	iy_vb += 1
534	vbox.Add(boxsizer2, (iy_vb,0), (1,1), wx.LEFT\|wx.RIGHT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 5)
535
536
537	# ----- Results -----
538	resbox = wx.StaticBox(self, -1, "Outputs")
539	ressizer = wx.StaticBoxSizer(resbox, wx.VERTICAL)
540	ressizer.SetMinSize((self._default_width,50))
541
542	label_rg = wx.StaticText(self, -1, "Rg")
543	label_rg_unit = wx.StaticText(self, -1, "[A]")
544	label_iq0 = wx.StaticText(self, -1, "I(Q=0)")
545	label_iq0_unit = wx.StaticText(self, -1, "[A^(-1)]")
546	label_bck = wx.StaticText(self, -1, "Background")
547	label_bck_unit = wx.StaticText(self, -1, "[A^(-1)]")
548	self.rg_ctl = OutputTextCtrl(self, -1, size=(60,20))
549	self.rg_ctl.SetToolTipString("Radius of gyration for the computed P(r).")
550	self.iq0_ctl = OutputTextCtrl(self, -1, size=(60,20))
551	self.iq0_ctl.SetToolTipString("Scattering intensity at Q=0 for the computed P(r).")
552	self.bck_ctl = OutputTextCtrl(self, -1, size=(60,20))
553	self.bck_ctl.SetToolTipString("Value of estimated constant background.")
554
555	label_time = wx.StaticText(self, -1, "Computation time")
556	label_time_unit = wx.StaticText(self, -1, "secs")
557	label_time.SetMinSize((120,20))
558	label_chi2 = wx.StaticText(self, -1, "Chi2/dof")
559	label_osc = wx.StaticText(self, -1, "Oscillations")
560	label_pos = wx.StaticText(self, -1, "Positive fraction")
561	label_pos_err = wx.StaticText(self, -1, "1-sigma positive fraction")
562
563	self.time_ctl = OutputTextCtrl(self, -1, size=(60,20))
564	self.time_ctl.SetToolTipString("Computation time for the last inversion, in seconds.")
565
566	self.chi2_ctl = OutputTextCtrl(self, -1, size=(60,20))
567	self.chi2_ctl.SetToolTipString("Chi^2 over degrees of freedom.")
568
569	# Oscillation parameter
570	self.osc_ctl = OutputTextCtrl(self, -1, size=(60,20))
571	self.osc_ctl.SetToolTipString("Oscillation parameter. P(r) for a sphere has an oscillation parameter of 1.1.")
572
573	# Positive fraction figure of merit
574	self.pos_ctl = OutputTextCtrl(self, -1, size=(60,20))
575	self.pos_ctl.SetToolTipString("Fraction of P(r) that is positive. Theoretically, P(r) is defined positive.")
576
577	# 1-simga positive fraction figure of merit
578	self.pos_err_ctl = OutputTextCtrl(self, -1, size=(60,20))
579	message = "Fraction of P(r) that is at least 1 standard deviation greater than zero.\n"
580	message += "This figure of merit tells you about the size of the P(r) errors.\n"
581	message += "If it is close to 1 and the other figures of merit are bad, consider changing "
582	message += "the maximum distance."
583	self.pos_err_ctl.SetToolTipString(message)
584
585	sizer_res = wx.GridBagSizer(5,5)
586
587	iy = 0
588	sizer_res.Add(label_rg, (iy,0), (1,1), wx.LEFT\|wx.EXPAND, 15)
589	sizer_res.Add(self.rg_ctl, (iy,1), (1,1), wx.RIGHT\|wx.EXPAND, 15)
590	sizer_res.Add(label_rg_unit, (iy,2), (1,1), wx.RIGHT\|wx.EXPAND, 15)
591	iy += 1
592	sizer_res.Add(label_iq0, (iy,0), (1,1), wx.LEFT\|wx.EXPAND, 15)
593	sizer_res.Add(self.iq0_ctl, (iy,1), (1,1), wx.RIGHT\|wx.EXPAND, 15)
594	sizer_res.Add(label_iq0_unit, (iy,2), (1,1), wx.RIGHT\|wx.EXPAND, 15)
595	iy += 1
596	sizer_res.Add(label_bck, (iy,0), (1,1), wx.LEFT\|wx.EXPAND, 15)
597	sizer_res.Add(self.bck_ctl, (iy,1), (1,1), wx.RIGHT\|wx.EXPAND, 15)
598	sizer_res.Add(label_bck_unit, (iy,2), (1,1), wx.RIGHT\|wx.EXPAND, 15)
599	iy += 1
600	sizer_res.Add(label_time, (iy,0), (1,1), wx.LEFT\|wx.EXPAND, 15)
601	sizer_res.Add(self.time_ctl, (iy,1), (1,1), wx.RIGHT\|wx.EXPAND, 15)
602	sizer_res.Add(label_time_unit, (iy,2), (1,1), wx.RIGHT\|wx.EXPAND, 15)
603	iy += 1
604	sizer_res.Add(label_chi2, (iy,0), (1,1), wx.LEFT\|wx.EXPAND, 15)
605	sizer_res.Add(self.chi2_ctl, (iy,1), (1,1), wx.RIGHT\|wx.EXPAND, 15)
606	iy += 1
607	sizer_res.Add(label_osc, (iy,0), (1,1), wx.LEFT\|wx.EXPAND, 15)
608	sizer_res.Add(self.osc_ctl, (iy,1), (1,1), wx.RIGHT\|wx.EXPAND, 15)
609
610	iy += 1
611	sizer_res.Add(label_pos, (iy,0), (1,1), wx.LEFT\|wx.EXPAND, 15)
612	sizer_res.Add(self.pos_ctl, (iy,1), (1,1), wx.RIGHT\|wx.EXPAND, 15)
613
614	iy += 1
615	sizer_res.Add(label_pos_err, (iy,0), (1,1), wx.LEFT\|wx.EXPAND, 15)
616	sizer_res.Add(self.pos_err_ctl, (iy,1), (1,1), wx.RIGHT\|wx.EXPAND, 15)
617
618	ressizer.Add(sizer_res, 0)
619	iy_vb += 1
620	vbox.Add(ressizer, (iy_vb,0), (1,1), wx.LEFT\|wx.RIGHT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 5)
621
622	# ----- Buttons -----
623	id = wx.NewId()
624	button_OK = wx.Button(self, id, "Compute")
625	button_OK.SetToolTipString("Perform P(r) inversion.")
626	self.Bind(wx.EVT_BUTTON, self._on_invert, id = id)
627
628	id = wx.NewId()
629	button_Reset = wx.Button(self, id, "Reset")
630	button_Reset.SetToolTipString("Reset inversion parameters to default.")
631	self.Bind(wx.EVT_BUTTON, self._on_reset, id = id)
632	#button_Cancel = wx.Button(self, wx.ID_CANCEL, "Cancel")
633
634	id = wx.NewId()
635	button_Save = wx.Button(self, id, "Save")
636	button_Save.SetToolTipString("Save the current P(r) work to file.")
637	self.Bind(wx.EVT_BUTTON, self._save_state, id = id)
638
639	sizer_button = wx.BoxSizer(wx.HORIZONTAL)
640	sizer_button.Add((20, 20), 1, wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
641	sizer_button.Add(button_Save, 0, wx.LEFT\|wx.ADJUST_MINSIZE, 10)
642	sizer_button.Add(button_Reset, 0, wx.LEFT\|wx.ADJUST_MINSIZE, 10)
643	sizer_button.Add(button_OK, 0, wx.LEFT\|wx.ADJUST_MINSIZE, 10)
644	#sizer_button.Add(button_Cancel, 0, wx.LEFT\|wx.RIGHT\|wx.ADJUST_MINSIZE, 10)
645	iy_vb += 1
646	vbox.Add(sizer_button, (iy_vb,0), (1,1), wx.EXPAND\|wx.BOTTOM\|wx.TOP\|wx.RIGHT, 10)
647
648	self.Bind(wx.EVT_TEXT_ENTER, self._on_invert)
649
650	self.SetSizer(vbox)
651
652	def _on_accept_alpha(self, evt):
653	"""
654	User has accepted the estimated alpha,
655	set it as part of the input parameters
656	"""
657	try:
658	alpha = self.alpha_estimate_ctl.GetLabel()
659	tmp = float(alpha)
660	self.alpha_ctl.SetValue(alpha)
661	except:
662	# No estimate or bad estimate, either do nothing
663	import sys
664	print "InversionControl._on_accept_alpha: %s" % sys.exc_value
665	pass
666
667	def _on_accept_nterms(self, evt):
668	"""
669	User has accepted the estimated number of terms,
670	set it as part of the input parameters
671	"""
672	try:
673	nterms = self.nterms_estimate_ctl.GetLabel()
674	tmp = float(nterms)
675	self.nfunc_ctl.SetValue(nterms)
676	except:
677	# No estimate or bad estimate, either do nothing
678	import sys
679	print "InversionControl._on_accept_nterms: %s" % sys.exc_value
680	pass
681
682	def _on_reset(self, evt):
683	"""
684	Resets inversion parameters
685	"""
686	self.nfunc = self.manager.DEFAULT_NFUNC
687	self.d_max = self.manager.DEFAULT_DMAX
688	self.alpha = self.manager.DEFAULT_ALPHA
689	self.qmin_ctl.SetValue("")
690	self.qmax_ctl.SetValue("")
691	self.time_ctl.SetValue("")
692	self.rg_ctl.SetValue("")
693	self.iq0_ctl.SetValue("")
694	self.bck_ctl.SetValue("")
695	self.chi2_ctl.SetValue("")
696	self.osc_ctl.SetValue("")
697	self.pos_ctl.SetValue("")
698	self.pos_err_ctl.SetValue("")
699	self.alpha_estimate_ctl.Enable(False)
700	self.alpha_estimate_ctl.SetLabel("")
701	self.nterms_estimate_ctl.Enable(False)
702	self.nterms_estimate_ctl.SetLabel("")
703	self._on_pars_changed()
704
705	def _on_pars_changed(self, evt=None):
706	"""
707	Called when an input parameter has changed
708	We will estimate the alpha parameter behind the
709	scenes.
710	"""
711	flag, alpha, dmax, nfunc, qmin, qmax, height, width = self._read_pars()
712	has_bck = self.bck_chk.IsChecked()
713
714	# If the pars are valid, estimate alpha
715	if flag:
716	self.nterms_estimate_ctl.Enable(False)
717	self.alpha_estimate_ctl.Enable(False)
718
719	dataset = self.plot_data.GetValue()
720	self.manager.estimate_plot_inversion(alpha=alpha, nfunc=nfunc,
721	d_max=dmax,
722	q_min=qmin, q_max=qmax,
723	bck=has_bck,
724	height=height,
725	width=width)
726
727	def _read_pars(self, evt=None):
728	"""
729	"""
730	alpha = 0
731	nfunc = 5
732	dmax = 120
733	qmin = 0
734	qmax = 0
735	height = 0
736	width = 0
737
738	flag = True
739
740
741	# Read slit height
742	try:
743	height_str = self.sheight_ctl.GetValue()
744	if len(height_str.lstrip().rstrip())==0:
745	height = 0
746	else:
747	height = float(height_str)
748	self.sheight_ctl.SetBackgroundColour(wx.WHITE)
749	self.sheight_ctl.Refresh()
750	except:
751	flag = False
752	self.sheight_ctl.SetBackgroundColour("pink")
753	self.sheight_ctl.Refresh()
754
755	# Read slit width
756	try:
757	width_str = self.swidth_ctl.GetValue()
758	if len(width_str.lstrip().rstrip())==0:
759	width = 0
760	else:
761	width = float(width_str)
762	self.swidth_ctl.SetBackgroundColour(wx.WHITE)
763	self.swidth_ctl.Refresh()
764	except:
765	flag = False
766	self.swidth_ctl.SetBackgroundColour("pink")
767	self.swidth_ctl.Refresh()
768
769	# Read alpha
770	try:
771	alpha = float(self.alpha_ctl.GetValue())
772	self.alpha_ctl.SetBackgroundColour(wx.WHITE)
773	self.alpha_ctl.Refresh()
774	except:
775	flag = False
776	self.alpha_ctl.SetBackgroundColour("pink")
777	self.alpha_ctl.Refresh()
778
779	# Read d_max
780	try:
781	dmax = float(self.dmax_ctl.GetValue())
782	self.dmax_ctl.SetBackgroundColour(wx.WHITE)
783	self.dmax_ctl.Refresh()
784	except:
785	flag = False
786	self.dmax_ctl.SetBackgroundColour("pink")
787	self.dmax_ctl.Refresh()
788
789	# Read nfunc
790	try:
791	nfunc = int(self.nfunc_ctl.GetValue())
792	npts = self.manager.get_npts()
793	if npts>0 and nfunc>npts:
794	message = "Number of function terms should be smaller than the number of points"
795	wx.PostEvent(self.manager.parent, StatusEvent(status=message))
796	raise ValueError, message
797	self.nfunc_ctl.SetBackgroundColour(wx.WHITE)
798	self.nfunc_ctl.Refresh()
799	except:
800	flag = False
801	self.nfunc_ctl.SetBackgroundColour("pink")
802	self.nfunc_ctl.Refresh()
803
804	# Read qmin
805	try:
806	qmin_str = self.qmin_ctl.GetValue()
807	if len(qmin_str.lstrip().rstrip())==0:
808	qmin = None
809	else:
810	qmin = float(qmin_str)
811	self.qmin_ctl.SetBackgroundColour(wx.WHITE)
812	self.qmin_ctl.Refresh()
813	except:
814	flag = False
815	self.qmin_ctl.SetBackgroundColour("pink")
816	self.qmin_ctl.Refresh()
817
818	# Read qmax
819	try:
820	qmax_str = self.qmax_ctl.GetValue()
821	if len(qmax_str.lstrip().rstrip())==0:
822	qmax = None
823	else:
824	qmax = float(qmax_str)
825	self.qmax_ctl.SetBackgroundColour(wx.WHITE)
826	self.qmax_ctl.Refresh()
827	except:
828	flag = False
829	self.qmax_ctl.SetBackgroundColour("pink")
830	self.qmax_ctl.Refresh()
831
832	return flag, alpha, dmax, nfunc, qmin, qmax, height, width
833
834	def _on_explore(self, evt):
835	"""
836	Invoke the d_max exploration dialog
837	"""
838	from explore_dialog import ExploreDialog
839	if self.manager._last_pr is not None:
840	pr = self.manager._create_plot_pr()
841	dialog = ExploreDialog(pr, 10, None, -1, "")
842	dialog.ShowModal()
843	else:
844	message = "No data to analyze. Please load a data set to proceed."
845	wx.PostEvent(self.manager.parent, StatusEvent(status=message))
846
847	def _on_invert(self, evt):
848	"""
849	Perform inversion
850
851	:param silent: when True, there will be no output for the user
852
853	"""
854	# Get the data from the form
855	# Push it to the manager
856
857	flag, alpha, dmax, nfunc, qmin, qmax, height, width = self._read_pars()
858	has_bck = self.bck_chk.IsChecked()
859
860	if flag:
861	dataset = self.plot_data.GetValue()
862	if dataset==None or len(dataset.strip())==0:
863	message = "No data to invert. Select a data set before proceeding with P(r) inversion."
864	wx.PostEvent(self.manager.parent, StatusEvent(status=message))
865	else:
866	self.manager.setup_plot_inversion(alpha=alpha, nfunc=nfunc,
867	d_max=dmax,
868	q_min=qmin, q_max=qmax,
869	bck=has_bck,
870	height=height,
871	width=width)
872	else:
873	message = "The P(r) form contains invalid values: please submit it again."
874	wx.PostEvent(self.parent, StatusEvent(status=message))
875
876	def _change_file(self, evt=None, filepath=None):
877	"""
878	Choose a new input file for I(q)
879	"""
880	import os
881	if not self.manager==None:
882	path = self.manager.choose_file(path=filepath)
883
884	if path and os.path.isfile(path):
885	self.plot_data.SetValue(str(path))
886	try:
887	self.manager.show_data(path, reset=True)
888	self._on_pars_changed(None)
889
890	# Perform inversion
891	if self.standalone == True:
892	self._on_invert(None)
893	except:
894	# Invalid data
895	logging.error("InversionControl._change_file: %s" % sys.exc_value)
896
897	class HelpDialog(wx.Dialog):
898	"""
899	"""
900	def __init__(self, parent, id):
901	"""
902	"""
903	from sans.pr.invertor import help
904	wx.Dialog.__init__(self, parent, id, size=(400, 420))
905	self.SetTitle("P(r) help")
906
907
908	vbox = wx.BoxSizer(wx.VERTICAL)
909
910	explanation = help()
911
912	label_explain = wx.StaticText(self, -1, explanation, size=(350,320))
913
914	vbox.Add(label_explain, 0, wx.ALL\|wx.EXPAND, 15)
915
916
917	static_line = wx.StaticLine(self, -1)
918	vbox.Add(static_line, 0, wx.EXPAND, 0)
919
920	button_OK = wx.Button(self, wx.ID_OK, "OK")
921	#button_Cancel = wx.Button(self, wx.ID_CANCEL, "Cancel")
922
923	sizer_button = wx.BoxSizer(wx.HORIZONTAL)
924	sizer_button.Add((20, 20), 1, wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
925	sizer_button.Add(button_OK, 0, wx.LEFT\|wx.RIGHT\|wx.ADJUST_MINSIZE, 10)
926	#sizer_button.Add(button_Cancel, 0, wx.LEFT\|wx.RIGHT\|wx.ADJUST_MINSIZE, 10)
927	vbox.Add(sizer_button, 0, wx.EXPAND\|wx.BOTTOM\|wx.TOP, 10)
928
929	self.SetSizer(vbox)
930	self.SetAutoLayout(True)
931
932	self.Layout()
933	self.Centre()
934
935	class PrDistDialog(wx.Dialog):
936	"""
937	Property dialog to let the user change the number
938	of points on the P(r) plot.
939	"""
940	def __init__(self, parent, id):
941	from sans.pr.invertor import help
942	wx.Dialog.__init__(self, parent, id, size=(250, 120))
943	self.SetTitle("P(r) distribution")
944
945
946	vbox = wx.BoxSizer(wx.VERTICAL)
947
948	label_npts = wx.StaticText(self, -1, "Number of points")
949	self.npts_ctl = PrTextCtrl(self, -1, size=(100,20))
950
951	pars_sizer = wx.GridBagSizer(5,5)
952	iy = 0
953	pars_sizer.Add(label_npts, (iy,0), (1,1), wx.LEFT, 15)
954	pars_sizer.Add(self.npts_ctl, (iy,1), (1,1), wx.RIGHT, 0)
955
956	vbox.Add(pars_sizer, 0, wx.ALL\|wx.EXPAND, 15)
957
958
959	static_line = wx.StaticLine(self, -1)
960	vbox.Add(static_line, 0, wx.EXPAND, 0)
961
962	button_OK = wx.Button(self, wx.ID_OK, "OK")
963	self.Bind(wx.EVT_BUTTON, self._checkValues, button_OK)
964	button_Cancel = wx.Button(self, wx.ID_CANCEL, "Cancel")
965
966	sizer_button = wx.BoxSizer(wx.HORIZONTAL)
967	sizer_button.Add((20, 20), 1, wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
968	sizer_button.Add(button_OK, 0, wx.LEFT\|wx.RIGHT\|wx.ADJUST_MINSIZE, 10)
969	sizer_button.Add(button_Cancel, 0, wx.LEFT\|wx.RIGHT\|wx.ADJUST_MINSIZE, 10)
970	vbox.Add(sizer_button, 0, wx.EXPAND\|wx.BOTTOM\|wx.TOP, 10)
971
972	self.SetSizer(vbox)
973	self.SetAutoLayout(True)
974
975	self.Layout()
976	self.Centre()
977
978	def _checkValues(self, event):
979	"""
980	Check the dialog content.
981	"""
982	flag = True
983	try:
984	int(self.npts_ctl.GetValue())
985	self.npts_ctl.SetBackgroundColour(wx.WHITE)
986	self.npts_ctl.Refresh()
987	except:
988	flag = False
989	self.npts_ctl.SetBackgroundColour("pink")
990	self.npts_ctl.Refresh()
991	if flag:
992	event.Skip(True)
993
994	def get_content(self):
995	"""
996	Return the content of the dialog.
997	At this point the values have already been
998	checked.
999	"""
1000	value = int(self.npts_ctl.GetValue())
1001	return value
1002
1003	def set_content(self, npts):
1004	"""
1005	Initialize the content of the dialog.
1006	"""
1007	self.npts_ctl.SetValue("%i" % npts)
1008
1009	##### testing code ############################################################
1010	"""
1011	Example: ::
1012
1013	class TestPlot:
1014	def __init__(self, text):
1015	self.name = text
1016
1017	class MyApp(wx.App):
1018	def OnInit(self):
1019	wx.InitAllImageHandlers()
1020	dialog = PrDistDialog(None, -1)
1021	if dialog.ShowModal() == wx.ID_OK:
1022	pass
1023	dialog.Destroy()
1024
1025	return 1
1026
1027	# end of class MyApp
1028
1029	if __name__ == "__main__":
1030	app = MyApp(0)
1031	app.MainLoop()
1032
1033	"""
1034	##### end of testing code #####################################################

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SasView

source: sasview/prview/perspectives/pr/inversion_panel.py @ cf6a192

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