inversion_panel.py @ f8b79d6

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 f8b79d6 was 9ff861b, checked in by Mathieu Doucet <doucetm@…>, 15 years ago
prview: improved text control look&feel, added scrolled panel, got rid of old code.
Property mode set to `100644`
File size: 38.8 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	window_name = 'pr_control'
20	window_caption = "P(r) control panel"
21	CENTER_PANE = True
22
23	# Figure of merit parameters [default]
24
25	## Oscillation parameters (sin function = 1.1)
26	oscillation_max = 1.5
27
28	def __init__(self, parent, id = -1, plots = None, standalone=False, **kwargs):
29	ScrolledPanel.__init__(self, parent, id = id, **kwargs)
30	self.SetupScrolling()
31
32	self.plots = plots
33	self.radio_buttons = {}
34	self.parent = parent
35
36	## Data file TextCtrl
37	self.data_file = None
38	self.plot_data = None
39	self.nfunc_ctl = None
40	self.alpha_ctl = None
41	self.dmax_ctl = None
42	self.time_ctl = None
43	self.chi2_ctl = None
44	self.osc_ctl = None
45	self.file_radio = None
46	self.plot_radio = None
47	self.label_sugg = None
48	self.qmin_ctl = None
49	self.qmax_ctl = None
50	self.swidth_ctl = None
51	self.sheight_ctl = None
52
53	self.rg_ctl = None
54	self.iq0_ctl = None
55	self.bck_chk = None
56	self.bck_ctl = None
57
58	# TextCtrl for fraction of positive P(r)
59	self.pos_ctl = None
60
61	# TextCtrl for fraction of 1 sigma positive P(r)
62	self.pos_err_ctl = None
63
64	## Estimates
65	self.alpha_estimate_ctl = None
66	self.nterms_estimate_ctl = None
67
68	## D_max distance explorator
69	self.distance_explorator_ctl = None
70
71	## Data manager
72	self.manager = None
73
74	## Standalone flage
75	self.standalone = standalone
76
77	## Default file location for save
78	self._default_save_location = os.getcwd()
79
80
81	# Default width
82	self._default_width = 350
83	self._do_layout()
84
85	def __setattr__(self, name, value):
86	"""
87	Allow direct hooks to text boxes
88	"""
89	if name=='nfunc':
90	self.nfunc_ctl.SetValue(str(int(value)))
91	elif name=='d_max':
92	self.dmax_ctl.SetValue(str(value))
93	elif name=='alpha':
94	self.alpha_ctl.SetValue(str(value))
95	elif name=='chi2':
96	self.chi2_ctl.SetValue("%-5.2g" % value)
97	elif name=='bck':
98	self.bck_ctl.SetValue("%-5.2g" % value)
99	elif name=='q_min':
100	self.qmin_ctl.SetValue("%-5.2g" % value)
101	elif name=='q_max':
102	self.qmax_ctl.SetValue("%-5.2g" % value)
103	elif name=='elapsed':
104	self.time_ctl.SetValue("%-5.2g" % value)
105	elif name=='rg':
106	self.rg_ctl.SetValue("%-5.2g" % value)
107	elif name=='iq0':
108	self.iq0_ctl.SetValue("%-5.2g" % value)
109	elif name=='oscillation':
110	self.osc_ctl.SetValue("%-5.2g" % value)
111	elif name=='slit_width':
112	self.swidth_ctl.SetValue("%-5.2g" % value)
113	elif name=='slit_height':
114	self.sheight_ctl.SetValue("%-5.2g" % value)
115	elif name=='positive':
116	self.pos_ctl.SetValue("%-5.2g" % value)
117	elif name=='pos_err':
118	self.pos_err_ctl.SetValue("%-5.2g" % value)
119	elif name=='alpha_estimate':
120	self.alpha_estimate_ctl.SetToolTipString("Click to accept value.")
121	self.alpha_estimate_ctl.Enable(True)
122	self.alpha_estimate_ctl.SetLabel("%-3.1g" % value)
123	#self.alpha_estimate_ctl.Show()
124	#self.label_sugg.Show()
125	elif name=='nterms_estimate':
126	self.nterms_estimate_ctl.SetToolTipString("Click to accept value.")
127	self.nterms_estimate_ctl.Enable(True)
128	self.nterms_estimate_ctl.SetLabel("%-g" % value)
129	elif name=='plotname':
130	self.plot_data.SetValue(str(value))
131	self._on_pars_changed(None)
132	elif name=='datafile':
133	self.plot_data.SetValue(str(value))
134	self._on_pars_changed(None)
135	else:
136	wx.Panel.__setattr__(self, name, value)
137
138	def __getattr__(self, name):
139	"""
140	Allow direct hooks to text boxes
141	"""
142	if name=='nfunc':
143	try:
144	return int(self.nfunc_ctl.GetValue())
145	except:
146	return -1
147	elif name=='d_max':
148	try:
149	return self.dmax_ctl.GetValue()
150	except:
151	return -1.0
152	elif name=='alpha':
153	try:
154	return self.alpha_ctl.GetValue()
155	except:
156	return -1.0
157	elif name=='chi2':
158	try:
159	return float(self.chi2_ctl.GetValue())
160	except:
161	return None
162	elif name=='bck':
163	try:
164	return float(self.bck_ctl.GetValue())
165	except:
166	return None
167	elif name=='q_min':
168	try:
169	return float(self.qmin_ctl.GetValue())
170	except:
171	return 0.0
172	elif name=='q_max':
173	try:
174	return float(self.qmax_ctl.GetValue())
175	except:
176	return 0.0
177	elif name=='elapsed':
178	try:
179	return float(self.time_ctl.GetValue())
180	except:
181	return None
182	elif name=='rg':
183	try:
184	return float(self.rg_ctl.GetValue())
185	except:
186	return None
187	elif name=='iq0':
188	try:
189	return float(self.iq0_ctl.GetValue())
190	except:
191	return None
192	elif name=='oscillation':
193	try:
194	return float(self.osc_ctl.GetValue())
195	except:
196	return None
197	elif name=='slit_width':
198	try:
199	return float(self.swidth_ctl.GetValue())
200	except:
201	return None
202	elif name=='slit_height':
203	try:
204	return float(self.sheight_ctl.GetValue())
205	except:
206	return None
207	elif name=='pos':
208	try:
209	return float(self.pos_ctl.GetValue())
210	except:
211	return None
212	elif name=='pos_err':
213	try:
214	return float(self.pos_err_ctl.GetValue())
215	except:
216	return None
217	elif name=='alpha_estimate':
218	try:
219	return float(self.alpha_estimate_ctl.GetLabel())
220	except:
221	return None
222	elif name=='nterms_estimate':
223	try:
224	return int(self.nterms_estimate_ctl.GetLabel())
225	except:
226	return None
227	elif name=='plotname':
228	return self.plot_data.GetValue()
229	elif name=='datafile':
230	return self.plot_data.GetValue()
231	else:
232	return wx.Panel.__getattribute__(self, name)
233
234	def _save_state(self, evt=None):
235	"""
236	Method used to create a memento of the current state
237
238	@return: state object
239	"""
240	# Ask the user the location of the file to write to.
241	path = None
242	dlg = wx.FileDialog(self, "Choose a file", self._default_save_location, "", "*.prv", wx.SAVE)
243	if dlg.ShowModal() == wx.ID_OK:
244	path = dlg.GetPath()
245	self._default_save_location = os.path.dirname(path)
246	else:
247	return None
248
249	dlg.Destroy()
250
251	# Construct the state object
252	state = InversionState()
253
254	# Read the panel's parameters
255	flag, alpha, dmax, nfunc, qmin, \
256	qmax, height, width = self._read_pars()
257
258	state.nfunc = nfunc
259	state.d_max = dmax
260	state.alpha = alpha
261	state.qmin = qmin
262	state.qmax = qmax
263	state.width = width
264	state.height = height
265
266	# Data file
267	state.file = self.plot_data.GetValue()
268
269	# Background evaluation checkbox
270	state.estimate_bck = self.bck_chk.IsChecked()
271
272	# Estimates
273	state.nterms_estimate = self.nterms_estimate
274	state.alpha_estimate = self.alpha_estimate
275
276	# Read the output values
277	state.chi2 = self.chi2
278	state.elapsed = self.elapsed
279	state.osc = self.oscillation
280	state.pos = self.pos
281	state.pos_err = self.pos_err
282	state.rg = self.rg
283	state.iq0 = self.iq0
284	state.bck = self.bck
285
286	self.manager.save_data(filepath=path, prstate=state)
287
288	return state
289
290	def set_state(self, state):
291	"""
292	Set the state of the panel and inversion problem to
293	the state passed as a parameter.
294	Execute the inversion immediately after filling the
295	controls.
296
297	@param state: InversionState object
298	"""
299	if state.nfunc is not None:
300	self.nfunc = state.nfunc
301	if state.d_max is not None:
302	self.d_max = state.d_max
303	if state.alpha is not None:
304	self.alpha = state.alpha
305	if state.qmin is not None:
306	self.q_min = state.qmin
307	if state.qmax is not None:
308	self.q_max = state.qmax
309	if state.width is not None:
310	self.slit_width = state.width
311	if state.height is not None:
312	self.slit_height = state.height
313
314	# Data file
315	self.plot_data.SetValue(str(state.file))
316
317	# Background evaluation checkbox
318	self.bck_chk.SetValue(state.estimate_bck)
319
320	# Estimates
321	if state.nterms_estimate is not None:
322	self.nterms_estimate = state.nterms_estimate
323	if state.alpha_estimate is not None:
324	self.alpha_estimate = state.alpha_estimate
325
326
327	# Read the output values
328	if state.chi2 is not None:
329	self.chi2 = state.chi2
330	if state.elapsed is not None:
331	self.elapsed = state.elapsed
332	if state.osc is not None:
333	self.oscillation = state.osc
334	if state.pos is not None:
335	self.positive = state.pos
336	if state.pos_err is not None:
337	self.pos_err = state.pos_err
338	if state.rg is not None:
339	self.rg = state.rg
340	if state.iq0 is not None:
341	self.iq0 = state.iq0
342	if state.bck is not None:
343	self.bck = state.bck
344
345	# Perform inversion
346	if self.standalone == False:
347	self._on_invert(None)
348
349	def set_manager(self, manager):
350	self.manager = manager
351
352	def _do_layout(self):
353	vbox = wx.GridBagSizer(0,0)
354	iy_vb = 0
355
356	# ----- I(q) data -----
357	databox = wx.StaticBox(self, -1, "I(q) data source")
358
359	boxsizer1 = wx.StaticBoxSizer(databox, wx.VERTICAL)
360	boxsizer1.SetMinSize((self._default_width,50))
361	pars_sizer = wx.GridBagSizer(5,5)
362
363	iy = 0
364	self.file_radio = wx.StaticText(self, -1, "Data:")
365	pars_sizer.Add(self.file_radio, (iy,0), (1,1), wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
366
367	self.plot_data = DataFileTextCtrl(self, -1, size=(260,20))
368
369	pars_sizer.Add(self.plot_data, (iy,1), (1,1), wx.EXPAND\|wx.LEFT\|wx.RIGHT\|wx.ADJUST_MINSIZE, 15)
370
371	self.bck_chk = wx.CheckBox(self, -1, "Estimate background level")
372	self.bck_chk.SetToolTipString("Check box to let the fit estimate the constant background level.")
373	self.bck_chk.Bind(wx.EVT_CHECKBOX, self._on_pars_changed)
374	iy += 1
375	pars_sizer.Add(self.bck_chk, (iy,0), (1,2), wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
376	boxsizer1.Add(pars_sizer, 0, wx.EXPAND)
377	vbox.Add(boxsizer1, (iy_vb,0), (1,1), wx.LEFT\|wx.RIGHT\|wx.EXPAND\|wx.ADJUST_MINSIZE\|wx.TOP, 5)
378
379	# ----- Add slit parameters -----
380	if True:
381	sbox = wx.StaticBox(self, -1, "Slit parameters")
382	sboxsizer = wx.StaticBoxSizer(sbox, wx.VERTICAL)
383	sboxsizer.SetMinSize((self._default_width,20))
384
385	sizer_slit = wx.GridBagSizer(5,5)
386
387	label_sheight = wx.StaticText(self, -1, "Height", size=(40,20))
388	label_swidth = wx.StaticText(self, -1, "Width", size=(40,20))
389	#label_sunits1 = wx.StaticText(self, -1, "[A^(-1)]")
390	label_sunits2 = wx.StaticText(self, -1, "[A^(-1)]", size=(55,20))
391	self.sheight_ctl = PrTextCtrl(self, -1, style=wx.TE_PROCESS_ENTER, size=(60,20))
392	self.swidth_ctl = PrTextCtrl(self, -1, style=wx.TE_PROCESS_ENTER, size=(60,20))
393	self.sheight_ctl.SetToolTipString("Enter slit height in units of Q or leave blank.")
394	self.swidth_ctl.SetToolTipString("Enter slit width in units of Q or leave blank.")
395	#self.sheight_ctl.Bind(wx.EVT_TEXT, self._on_pars_changed)
396	#self.swidth_ctl.Bind(wx.EVT_TEXT, self._on_pars_changed)
397
398	iy = 0
399	sizer_slit.Add(label_sheight, (iy,0), (1,1), wx.LEFT\|wx.EXPAND, 5)
400	sizer_slit.Add(self.sheight_ctl, (iy,1), (1,1), wx.LEFT\|wx.EXPAND, 5)
401	#sizer_slit.Add(label_sunits1, (iy,2), (1,1), wx.LEFT\|wx.EXPAND, 10)
402	sizer_slit.Add(label_swidth, (iy,2), (1,1), wx.LEFT\|wx.EXPAND, 5)
403	sizer_slit.Add(self.swidth_ctl, (iy,3), (1,1), wx.LEFT\|wx.EXPAND, 5)
404	sizer_slit.Add(label_sunits2, (iy,4), (1,1), wx.LEFT\|wx.EXPAND, 5)
405
406	sboxsizer.Add(sizer_slit, wx.TOP, 15)
407	iy_vb += 1
408	vbox.Add(sboxsizer, (iy_vb,0), (1,1), wx.LEFT\|wx.RIGHT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 5)
409
410
411	# ----- Q range -----
412	qbox = wx.StaticBox(self, -1, "Q range")
413	qboxsizer = wx.StaticBoxSizer(qbox, wx.VERTICAL)
414	qboxsizer.SetMinSize((self._default_width,20))
415
416	sizer_q = wx.GridBagSizer(5,5)
417
418	label_qmin = wx.StaticText(self, -1, "Q min", size=(40,20))
419	label_qmax = wx.StaticText(self, -1, "Q max", size=(40,20))
420	#label_qunits1 = wx.StaticText(self, -1, "[A^(-1)]")
421	label_qunits2 = wx.StaticText(self, -1, "[A^(-1)]", size=(55,20))
422	self.qmin_ctl = PrTextCtrl(self, -1, style=wx.TE_PROCESS_ENTER, size=(60,20))
423	self.qmax_ctl = PrTextCtrl(self, -1, style=wx.TE_PROCESS_ENTER, size=(60,20))
424	self.qmin_ctl.SetToolTipString("Select a lower bound for Q or leave blank.")
425	self.qmax_ctl.SetToolTipString("Select an upper bound for Q or leave blank.")
426	self.qmin_ctl.Bind(wx.EVT_TEXT, self._on_pars_changed)
427	self.qmax_ctl.Bind(wx.EVT_TEXT, self._on_pars_changed)
428
429	iy = 0
430	sizer_q.Add(label_qmin, (iy,0), (1,1), wx.LEFT\|wx.EXPAND, 5)
431	sizer_q.Add(self.qmin_ctl, (iy,1), (1,1), wx.LEFT\|wx.EXPAND, 5)
432	#sizer_q.Add(label_qunits1, (iy,2), (1,1), wx.LEFT\|wx.EXPAND, 15)
433	sizer_q.Add(label_qmax, (iy,2), (1,1), wx.LEFT\|wx.EXPAND, 5)
434	sizer_q.Add(self.qmax_ctl, (iy,3), (1,1), wx.LEFT\|wx.EXPAND, 5)
435	sizer_q.Add(label_qunits2, (iy,4), (1,1), wx.LEFT\|wx.EXPAND, 5)
436	qboxsizer.Add(sizer_q, wx.TOP, 15)
437
438	iy_vb += 1
439	vbox.Add(qboxsizer, (iy_vb,0), (1,1), wx.LEFT\|wx.RIGHT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 5)
440
441
442
443
444	# ----- Parameters -----
445	parsbox = wx.StaticBox(self, -1, "Parameters")
446	boxsizer2 = wx.StaticBoxSizer(parsbox, wx.VERTICAL)
447	boxsizer2.SetMinSize((self._default_width,50))
448
449	explanation = "P(r) is found by fitting a set of base functions to I(Q). "
450	explanation += "The minimization involves a regularization term to ensure "
451	explanation += "a smooth P(r). The regularization constant gives the size of that "
452	explanation += "term. The suggested value is the value above which the "
453	explanation += "output P(r) will have only one peak."
454	label_explain = wx.StaticText(self, -1, explanation, size=(280,120))
455	boxsizer2.Add(label_explain, wx.LEFT\|wx.BOTTOM, 5)
456
457
458
459	label_nfunc = wx.StaticText(self, -1, "Number of terms")
460	label_nfunc.SetMinSize((120,20))
461	label_alpha = wx.StaticText(self, -1, "Regularization constant")
462	label_dmax = wx.StaticText(self, -1, "Max distance [A]")
463	self.label_sugg = wx.StaticText(self, -1, "Suggested value")
464	#self.label_sugg.Hide()
465
466	self.nfunc_ctl = PrTextCtrl(self, -1, style=wx.TE_PROCESS_ENTER, size=(60,20))
467	self.nfunc_ctl.SetToolTipString("Number of terms in the expansion.")
468	self.alpha_ctl = PrTextCtrl(self, -1, style=wx.TE_PROCESS_ENTER, size=(60,20))
469	self.alpha_ctl.SetToolTipString("Control parameter for the size of the regularization term.")
470	self.dmax_ctl = PrTextCtrl(self, -1, style=wx.TE_PROCESS_ENTER, size=(60,20))
471	self.dmax_ctl.SetToolTipString("Maximum distance between any two points in the system.")
472	id = wx.NewId()
473	self.alpha_estimate_ctl = wx.Button(self, id, "")
474	#self.alpha_estimate_ctl.Hide()
475	self.Bind(wx.EVT_BUTTON, self._on_accept_alpha, id = id)
476	self.alpha_estimate_ctl.Enable(False)
477	#self.alpha_estimate_ctl.SetBackgroundColour('#ffdf85')
478	#self.alpha_estimate_ctl.SetBackgroundColour(self.GetBackgroundColour())
479	self.alpha_estimate_ctl.SetToolTipString("Waiting for estimate...")
480
481	id = wx.NewId()
482	self.nterms_estimate_ctl = wx.Button(self, id, "")
483	#self.nterms_estimate_ctl.Hide()
484	self.Bind(wx.EVT_BUTTON, self._on_accept_nterms, id = id)
485	self.nterms_estimate_ctl.Enable(False)
486	#self.nterms_estimate_ctl.SetBackgroundColour('#ffdf85')
487	#self.nterms_estimate_ctl.SetBackgroundColour(self.GetBackgroundColour())
488	self.nterms_estimate_ctl.SetToolTipString("Waiting for estimate...")
489
490	self.nfunc_ctl.Bind(wx.EVT_TEXT, self._read_pars)
491	self.alpha_ctl.Bind(wx.EVT_TEXT, self._read_pars)
492	self.dmax_ctl.Bind(wx.EVT_TEXT, self._on_pars_changed)
493
494	# Distance explorator
495	id = wx.NewId()
496	self.distance_explorator_ctl = wx.Button(self, id, "Explore")
497	self.Bind(wx.EVT_BUTTON, self._on_explore, id = id)
498
499
500	sizer_params = wx.GridBagSizer(5,5)
501
502	iy = 0
503	sizer_params.Add(self.label_sugg, (iy,2), (1,1), wx.LEFT, 15)
504	iy += 1
505	sizer_params.Add(label_nfunc, (iy,0), (1,1), wx.LEFT, 15)
506	sizer_params.Add(self.nfunc_ctl, (iy,1), (1,1), wx.RIGHT, 0)
507	sizer_params.Add(self.nterms_estimate_ctl, (iy,2), (1,1), wx.LEFT, 15)
508	iy += 1
509	sizer_params.Add(label_alpha, (iy,0), (1,1), wx.LEFT, 15)
510	sizer_params.Add(self.alpha_ctl, (iy,1), (1,1), wx.RIGHT, 0)
511	sizer_params.Add(self.alpha_estimate_ctl, (iy,2), (1,1), wx.LEFT, 15)
512	iy += 1
513	sizer_params.Add(label_dmax, (iy,0), (1,1), wx.LEFT, 15)
514	sizer_params.Add(self.dmax_ctl, (iy,1), (1,1), wx.RIGHT, 0)
515	sizer_params.Add(self.distance_explorator_ctl, (iy,2), (1,1), wx.LEFT, 15)
516
517	boxsizer2.Add(sizer_params, 0)
518
519	iy_vb += 1
520	vbox.Add(boxsizer2, (iy_vb,0), (1,1), wx.LEFT\|wx.RIGHT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 5)
521
522
523	# ----- Results -----
524	resbox = wx.StaticBox(self, -1, "Outputs")
525	ressizer = wx.StaticBoxSizer(resbox, wx.VERTICAL)
526	ressizer.SetMinSize((self._default_width,50))
527
528	label_rg = wx.StaticText(self, -1, "Rg")
529	label_rg_unit = wx.StaticText(self, -1, "[A]")
530	label_iq0 = wx.StaticText(self, -1, "I(Q=0)")
531	label_iq0_unit = wx.StaticText(self, -1, "[A^(-1)]")
532	label_bck = wx.StaticText(self, -1, "Background")
533	label_bck_unit = wx.StaticText(self, -1, "[A^(-1)]")
534	self.rg_ctl = OutputTextCtrl(self, -1, size=(60,20))
535	self.rg_ctl.SetToolTipString("Radius of gyration for the computed P(r).")
536	self.iq0_ctl = OutputTextCtrl(self, -1, size=(60,20))
537	self.iq0_ctl.SetToolTipString("Scattering intensity at Q=0 for the computed P(r).")
538	self.bck_ctl = OutputTextCtrl(self, -1, size=(60,20))
539	self.bck_ctl.SetToolTipString("Value of estimated constant background.")
540
541	label_time = wx.StaticText(self, -1, "Computation time")
542	label_time_unit = wx.StaticText(self, -1, "secs")
543	label_time.SetMinSize((120,20))
544	label_chi2 = wx.StaticText(self, -1, "Chi2/dof")
545	label_osc = wx.StaticText(self, -1, "Oscillations")
546	label_pos = wx.StaticText(self, -1, "Positive fraction")
547	label_pos_err = wx.StaticText(self, -1, "1-sigma positive fraction")
548
549	self.time_ctl = OutputTextCtrl(self, -1, size=(60,20))
550	self.time_ctl.SetToolTipString("Computation time for the last inversion, in seconds.")
551
552	self.chi2_ctl = OutputTextCtrl(self, -1, size=(60,20))
553	self.chi2_ctl.SetToolTipString("Chi^2 over degrees of freedom.")
554
555	# Oscillation parameter
556	self.osc_ctl = OutputTextCtrl(self, -1, size=(60,20))
557	self.osc_ctl.SetToolTipString("Oscillation parameter. P(r) for a sphere has an oscillation parameter of 1.1.")
558
559	# Positive fraction figure of merit
560	self.pos_ctl = OutputTextCtrl(self, -1, size=(60,20))
561	self.pos_ctl.SetToolTipString("Fraction of P(r) that is positive. Theoretically, P(r) is defined positive.")
562
563	# 1-simga positive fraction figure of merit
564	self.pos_err_ctl = OutputTextCtrl(self, -1, size=(60,20))
565	message = "Fraction of P(r) that is at least 1 standard deviation greater than zero.\n"
566	message += "This figure of merit tells you about the size of the P(r) errors.\n"
567	message += "If it is close to 1 and the other figures of merit are bad, consider changing "
568	message += "the maximum distance."
569	self.pos_err_ctl.SetToolTipString(message)
570
571	sizer_res = wx.GridBagSizer(5,5)
572
573	iy = 0
574	sizer_res.Add(label_rg, (iy,0), (1,1), wx.LEFT\|wx.EXPAND, 15)
575	sizer_res.Add(self.rg_ctl, (iy,1), (1,1), wx.RIGHT\|wx.EXPAND, 15)
576	sizer_res.Add(label_rg_unit, (iy,2), (1,1), wx.RIGHT\|wx.EXPAND, 15)
577	iy += 1
578	sizer_res.Add(label_iq0, (iy,0), (1,1), wx.LEFT\|wx.EXPAND, 15)
579	sizer_res.Add(self.iq0_ctl, (iy,1), (1,1), wx.RIGHT\|wx.EXPAND, 15)
580	sizer_res.Add(label_iq0_unit, (iy,2), (1,1), wx.RIGHT\|wx.EXPAND, 15)
581	iy += 1
582	sizer_res.Add(label_bck, (iy,0), (1,1), wx.LEFT\|wx.EXPAND, 15)
583	sizer_res.Add(self.bck_ctl, (iy,1), (1,1), wx.RIGHT\|wx.EXPAND, 15)
584	sizer_res.Add(label_bck_unit, (iy,2), (1,1), wx.RIGHT\|wx.EXPAND, 15)
585	iy += 1
586	sizer_res.Add(label_time, (iy,0), (1,1), wx.LEFT\|wx.EXPAND, 15)
587	sizer_res.Add(self.time_ctl, (iy,1), (1,1), wx.RIGHT\|wx.EXPAND, 15)
588	sizer_res.Add(label_time_unit, (iy,2), (1,1), wx.RIGHT\|wx.EXPAND, 15)
589	iy += 1
590	sizer_res.Add(label_chi2, (iy,0), (1,1), wx.LEFT\|wx.EXPAND, 15)
591	sizer_res.Add(self.chi2_ctl, (iy,1), (1,1), wx.RIGHT\|wx.EXPAND, 15)
592	iy += 1
593	sizer_res.Add(label_osc, (iy,0), (1,1), wx.LEFT\|wx.EXPAND, 15)
594	sizer_res.Add(self.osc_ctl, (iy,1), (1,1), wx.RIGHT\|wx.EXPAND, 15)
595
596	iy += 1
597	sizer_res.Add(label_pos, (iy,0), (1,1), wx.LEFT\|wx.EXPAND, 15)
598	sizer_res.Add(self.pos_ctl, (iy,1), (1,1), wx.RIGHT\|wx.EXPAND, 15)
599
600	iy += 1
601	sizer_res.Add(label_pos_err, (iy,0), (1,1), wx.LEFT\|wx.EXPAND, 15)
602	sizer_res.Add(self.pos_err_ctl, (iy,1), (1,1), wx.RIGHT\|wx.EXPAND, 15)
603
604	ressizer.Add(sizer_res, 0)
605	iy_vb += 1
606	vbox.Add(ressizer, (iy_vb,0), (1,1), wx.LEFT\|wx.RIGHT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 5)
607
608	# ----- Buttons -----
609	id = wx.NewId()
610	button_OK = wx.Button(self, id, "Compute")
611	button_OK.SetToolTipString("Perform P(r) inversion.")
612	self.Bind(wx.EVT_BUTTON, self._on_invert, id = id)
613
614	id = wx.NewId()
615	button_Reset = wx.Button(self, id, "Reset")
616	button_Reset.SetToolTipString("Reset inversion parameters to default.")
617	self.Bind(wx.EVT_BUTTON, self._on_reset, id = id)
618	#button_Cancel = wx.Button(self, wx.ID_CANCEL, "Cancel")
619
620	id = wx.NewId()
621	button_Save = wx.Button(self, id, "Save")
622	button_Save.SetToolTipString("Save the current P(r) work to file.")
623	self.Bind(wx.EVT_BUTTON, self._save_state, id = id)
624
625	sizer_button = wx.BoxSizer(wx.HORIZONTAL)
626	sizer_button.Add((20, 20), 1, wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
627	sizer_button.Add(button_Save, 0, wx.LEFT\|wx.ADJUST_MINSIZE, 10)
628	sizer_button.Add(button_Reset, 0, wx.LEFT\|wx.ADJUST_MINSIZE, 10)
629	sizer_button.Add(button_OK, 0, wx.LEFT\|wx.ADJUST_MINSIZE, 10)
630	#sizer_button.Add(button_Cancel, 0, wx.LEFT\|wx.RIGHT\|wx.ADJUST_MINSIZE, 10)
631	iy_vb += 1
632	vbox.Add(sizer_button, (iy_vb,0), (1,1), wx.EXPAND\|wx.BOTTOM\|wx.TOP\|wx.RIGHT, 10)
633
634	self.Bind(wx.EVT_TEXT_ENTER, self._on_invert)
635
636	self.SetSizer(vbox)
637
638	def _on_accept_alpha(self, evt):
639	"""
640	User has accepted the estimated alpha,
641	set it as part of the input parameters
642	"""
643	try:
644	alpha = self.alpha_estimate_ctl.GetLabel()
645	tmp = float(alpha)
646	self.alpha_ctl.SetValue(alpha)
647	except:
648	# No estimate or bad estimate, either do nothing
649	import sys
650	print "InversionControl._on_accept_alpha: %s" % sys.exc_value
651	pass
652
653	def _on_accept_nterms(self, evt):
654	"""
655	User has accepted the estimated number of terms,
656	set it as part of the input parameters
657	"""
658	try:
659	nterms = self.nterms_estimate_ctl.GetLabel()
660	tmp = float(nterms)
661	self.nfunc_ctl.SetValue(nterms)
662	except:
663	# No estimate or bad estimate, either do nothing
664	import sys
665	print "InversionControl._on_accept_nterms: %s" % sys.exc_value
666	pass
667
668	def _on_reset(self, evt):
669	"""
670	Resets inversion parameters
671	"""
672	self.nfunc = self.manager.DEFAULT_NFUNC
673	self.d_max = self.manager.DEFAULT_DMAX
674	self.alpha = self.manager.DEFAULT_ALPHA
675	self.qmin_ctl.SetValue("")
676	self.qmax_ctl.SetValue("")
677	self.time_ctl.SetValue("")
678	self.rg_ctl.SetValue("")
679	self.iq0_ctl.SetValue("")
680	self.bck_ctl.SetValue("")
681	self.chi2_ctl.SetValue("")
682	self.osc_ctl.SetValue("")
683	self.pos_ctl.SetValue("")
684	self.pos_err_ctl.SetValue("")
685	self.alpha_estimate_ctl.Enable(False)
686	self.alpha_estimate_ctl.SetLabel("")
687	self.nterms_estimate_ctl.Enable(False)
688	self.nterms_estimate_ctl.SetLabel("")
689	self._on_pars_changed()
690
691	def _on_pars_changed(self, evt=None):
692	"""
693	Called when an input parameter has changed
694	We will estimate the alpha parameter behind the
695	scenes.
696	"""
697	flag, alpha, dmax, nfunc, qmin, qmax, height, width = self._read_pars()
698	has_bck = self.bck_chk.IsChecked()
699
700	# If the pars are valid, estimate alpha
701	if flag:
702	self.nterms_estimate_ctl.Enable(False)
703	self.alpha_estimate_ctl.Enable(False)
704
705	dataset = self.plot_data.GetValue()
706	self.manager.estimate_plot_inversion(alpha=alpha, nfunc=nfunc,
707	d_max=dmax,
708	q_min=qmin, q_max=qmax,
709	bck=has_bck,
710	height=height,
711	width=width)
712
713	def _read_pars(self, evt=None):
714	alpha = 0
715	nfunc = 5
716	dmax = 120
717	qmin = 0
718	qmax = 0
719	height = 0
720	width = 0
721
722	flag = True
723
724
725	# Read slit height
726	try:
727	height_str = self.sheight_ctl.GetValue()
728	if len(height_str.lstrip().rstrip())==0:
729	height = 0
730	else:
731	height = float(height_str)
732	self.sheight_ctl.SetBackgroundColour(wx.WHITE)
733	self.sheight_ctl.Refresh()
734	except:
735	flag = False
736	self.sheight_ctl.SetBackgroundColour("pink")
737	self.sheight_ctl.Refresh()
738
739	# Read slit width
740	try:
741	width_str = self.swidth_ctl.GetValue()
742	if len(width_str.lstrip().rstrip())==0:
743	width = 0
744	else:
745	width = float(width_str)
746	self.swidth_ctl.SetBackgroundColour(wx.WHITE)
747	self.swidth_ctl.Refresh()
748	except:
749	flag = False
750	self.swidth_ctl.SetBackgroundColour("pink")
751	self.swidth_ctl.Refresh()
752
753	# Read alpha
754	try:
755	alpha = float(self.alpha_ctl.GetValue())
756	self.alpha_ctl.SetBackgroundColour(wx.WHITE)
757	self.alpha_ctl.Refresh()
758	except:
759	flag = False
760	self.alpha_ctl.SetBackgroundColour("pink")
761	self.alpha_ctl.Refresh()
762
763	# Read d_max
764	try:
765	dmax = float(self.dmax_ctl.GetValue())
766	self.dmax_ctl.SetBackgroundColour(wx.WHITE)
767	self.dmax_ctl.Refresh()
768	except:
769	flag = False
770	self.dmax_ctl.SetBackgroundColour("pink")
771	self.dmax_ctl.Refresh()
772
773	# Read nfunc
774	try:
775	nfunc = int(self.nfunc_ctl.GetValue())
776	npts = self.manager.get_npts()
777	if npts>0 and nfunc>npts:
778	message = "Number of function terms should be smaller than the number of points"
779	wx.PostEvent(self.manager.parent, StatusEvent(status=message))
780	raise ValueError, message
781	self.nfunc_ctl.SetBackgroundColour(wx.WHITE)
782	self.nfunc_ctl.Refresh()
783	except:
784	flag = False
785	self.nfunc_ctl.SetBackgroundColour("pink")
786	self.nfunc_ctl.Refresh()
787
788	# Read qmin
789	try:
790	qmin_str = self.qmin_ctl.GetValue()
791	if len(qmin_str.lstrip().rstrip())==0:
792	qmin = None
793	else:
794	qmin = float(qmin_str)
795	self.qmin_ctl.SetBackgroundColour(wx.WHITE)
796	self.qmin_ctl.Refresh()
797	except:
798	flag = False
799	self.qmin_ctl.SetBackgroundColour("pink")
800	self.qmin_ctl.Refresh()
801
802	# Read qmax
803	try:
804	qmax_str = self.qmax_ctl.GetValue()
805	if len(qmax_str.lstrip().rstrip())==0:
806	qmax = None
807	else:
808	qmax = float(qmax_str)
809	self.qmax_ctl.SetBackgroundColour(wx.WHITE)
810	self.qmax_ctl.Refresh()
811	except:
812	flag = False
813	self.qmax_ctl.SetBackgroundColour("pink")
814	self.qmax_ctl.Refresh()
815
816	return flag, alpha, dmax, nfunc, qmin, qmax, height, width
817
818	def _on_explore(self, evt):
819	"""
820	Invoke the d_max exploration dialog
821	"""
822	from explore_dialog import ExploreDialog
823	if self.manager._last_pr is not None:
824	pr = self.manager._create_plot_pr()
825	dialog = ExploreDialog(pr, 10, None, -1, "")
826	dialog.ShowModal()
827	else:
828	message = "No data to analyze. Please load a data set to proceed."
829	wx.PostEvent(self.manager.parent, StatusEvent(status=message))
830
831	def _on_invert(self, evt):
832	"""
833	Perform inversion
834	@param silent: when True, there will be no output for the user
835	"""
836	# Get the data from the form
837	# Push it to the manager
838
839	flag, alpha, dmax, nfunc, qmin, qmax, height, width = self._read_pars()
840	has_bck = self.bck_chk.IsChecked()
841
842	if flag:
843	dataset = self.plot_data.GetValue()
844	if len(dataset.strip())==0:
845	message = "No data to invert. Select a data set before proceeding with P(r) inversion."
846	wx.PostEvent(self.manager.parent, StatusEvent(status=message))
847	else:
848	self.manager.setup_plot_inversion(alpha=alpha, nfunc=nfunc,
849	d_max=dmax,
850	q_min=qmin, q_max=qmax,
851	bck=has_bck,
852	height=height,
853	width=width)
854	else:
855	message = "The P(r) form contains invalid values: please submit it again."
856	wx.PostEvent(self.parent, StatusEvent(status=message))
857
858	def _change_file(self, evt=None, filepath=None):
859	"""
860	Choose a new input file for I(q)
861	"""
862	import os
863	if not self.manager==None:
864	path = self.manager.choose_file(path=filepath)
865
866	if path and os.path.isfile(path):
867	self.plot_data.SetValue(str(path))
868	try:
869	self.manager.show_data(path, reset=True)
870	self._on_pars_changed(None)
871
872	# Perform inversion
873	if self.standalone == True:
874	self._on_invert(None)
875	except:
876	# Invalid data
877	logging.error("InversionControl._change_file: %s" % sys.exc_value)
878
879	class HelpDialog(wx.Dialog):
880	def __init__(self, parent, id):
881	from sans.pr.invertor import help
882	wx.Dialog.__init__(self, parent, id, size=(400, 420))
883	self.SetTitle("P(r) help")
884
885
886	vbox = wx.BoxSizer(wx.VERTICAL)
887
888	explanation = help()
889
890	label_explain = wx.StaticText(self, -1, explanation, size=(350,320))
891
892	vbox.Add(label_explain, 0, wx.ALL\|wx.EXPAND, 15)
893
894
895	static_line = wx.StaticLine(self, -1)
896	vbox.Add(static_line, 0, wx.EXPAND, 0)
897
898	button_OK = wx.Button(self, wx.ID_OK, "OK")
899	#button_Cancel = wx.Button(self, wx.ID_CANCEL, "Cancel")
900
901	sizer_button = wx.BoxSizer(wx.HORIZONTAL)
902	sizer_button.Add((20, 20), 1, wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
903	sizer_button.Add(button_OK, 0, wx.LEFT\|wx.RIGHT\|wx.ADJUST_MINSIZE, 10)
904	#sizer_button.Add(button_Cancel, 0, wx.LEFT\|wx.RIGHT\|wx.ADJUST_MINSIZE, 10)
905	vbox.Add(sizer_button, 0, wx.EXPAND\|wx.BOTTOM\|wx.TOP, 10)
906
907	self.SetSizer(vbox)
908	self.SetAutoLayout(True)
909
910	self.Layout()
911	self.Centre()
912
913	class PrDistDialog(wx.Dialog):
914	"""
915	Property dialog to let the user change the number
916	of points on the P(r) plot.
917	"""
918	def __init__(self, parent, id):
919	from sans.pr.invertor import help
920	wx.Dialog.__init__(self, parent, id, size=(250, 120))
921	self.SetTitle("P(r) distribution")
922
923
924	vbox = wx.BoxSizer(wx.VERTICAL)
925
926	label_npts = wx.StaticText(self, -1, "Number of points")
927	self.npts_ctl = PrTextCtrl(self, -1, size=(100,20))
928
929	pars_sizer = wx.GridBagSizer(5,5)
930	iy = 0
931	pars_sizer.Add(label_npts, (iy,0), (1,1), wx.LEFT, 15)
932	pars_sizer.Add(self.npts_ctl, (iy,1), (1,1), wx.RIGHT, 0)
933
934	vbox.Add(pars_sizer, 0, wx.ALL\|wx.EXPAND, 15)
935
936
937	static_line = wx.StaticLine(self, -1)
938	vbox.Add(static_line, 0, wx.EXPAND, 0)
939
940	button_OK = wx.Button(self, wx.ID_OK, "OK")
941	self.Bind(wx.EVT_BUTTON, self._checkValues, button_OK)
942	button_Cancel = wx.Button(self, wx.ID_CANCEL, "Cancel")
943
944	sizer_button = wx.BoxSizer(wx.HORIZONTAL)
945	sizer_button.Add((20, 20), 1, wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
946	sizer_button.Add(button_OK, 0, wx.LEFT\|wx.RIGHT\|wx.ADJUST_MINSIZE, 10)
947	sizer_button.Add(button_Cancel, 0, wx.LEFT\|wx.RIGHT\|wx.ADJUST_MINSIZE, 10)
948	vbox.Add(sizer_button, 0, wx.EXPAND\|wx.BOTTOM\|wx.TOP, 10)
949
950	self.SetSizer(vbox)
951	self.SetAutoLayout(True)
952
953	self.Layout()
954	self.Centre()
955
956	def _checkValues(self, event):
957	"""
958	Check the dialog content.
959	"""
960	flag = True
961	try:
962	int(self.npts_ctl.GetValue())
963	self.npts_ctl.SetBackgroundColour(wx.WHITE)
964	self.npts_ctl.Refresh()
965	except:
966	flag = False
967	self.npts_ctl.SetBackgroundColour("pink")
968	self.npts_ctl.Refresh()
969	if flag:
970	event.Skip(True)
971
972	def get_content(self):
973	"""
974	Return the content of the dialog.
975	At this point the values have already been
976	checked.
977	"""
978	value = int(self.npts_ctl.GetValue())
979	return value
980
981	def set_content(self, npts):
982	"""
983	Initialize the content of the dialog.
984	"""
985	self.npts_ctl.SetValue("%i" % npts)
986
987	##### testing code ############################################################
988	class TestPlot:
989	def __init__(self, text):
990	self.name = text
991
992	class MyApp(wx.App):
993	def OnInit(self):
994	wx.InitAllImageHandlers()
995	dialog = PrDistDialog(None, -1)
996	if dialog.ShowModal() == wx.ID_OK:
997	pass
998	dialog.Destroy()
999
1000	return 1
1001
1002	# end of class MyApp
1003
1004	if __name__ == "__main__":
1005	app = MyApp(0)
1006	app.MainLoop()
1007
1008	##### end of testing code #####################################################

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SasView

source: sasview/prview/perspectives/pr/inversion_panel.py @ f8b79d6

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