inversion_panel.py @ b5de88e

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 b5de88e was 79492222, checked in by krzywon, 10 years ago
Changed the file and folder names to remove all SANS references.
Property mode set to `100644`
File size: 41.1 KB

Line
1	#!/usr/bin/env python
2
3	# version
4	__id__ = "$Id: aboutdialog.py 1193 2007-05-03 17:29:59Z dmitriy $"
5	__revision__ = "$Revision: 1193 $"
6
7	import wx
8	import os
9	import sys
10	import logging
11	from wx.lib.scrolledpanel import ScrolledPanel
12	from sas.guiframe.events import StatusEvent
13	from sas.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	if sys.platform.count("win32") > 0:
20	FONT_VARIANT = 0
21	else:
22	FONT_VARIANT = 1
23
24	class InversionControl(ScrolledPanel, PanelBase):
25	"""
26	"""
27	window_name = 'pr_control'
28	window_caption = "P(r) control panel"
29	CENTER_PANE = True
30
31	# Figure of merit parameters [default]
32
33	## Oscillation parameters (sin function = 1.1)
34	oscillation_max = 1.5
35
36	def __init__(self, parent, id=-1, plots=None,
37	standalone=False, **kwargs):
38	"""
39	"""
40	ScrolledPanel.__init__(self, parent, id=id, **kwargs)
41	PanelBase.__init__(self, parent)
42	self.SetupScrolling()
43	#Set window's font size
44	self.SetWindowVariant(variant=FONT_VARIANT)
45
46	self.plots = plots
47	self.radio_buttons = {}
48	self.parent = parent.parent
49
50	## Data file TextCtrl
51	self.data_file = None
52	self.plot_data = None
53	self.nfunc_ctl = None
54	self.alpha_ctl = None
55	self.dmax_ctl = None
56	self.time_ctl = None
57	self.chi2_ctl = None
58	self.osc_ctl = None
59	self.file_radio = None
60	self.plot_radio = None
61	self.label_sugg = None
62	self.qmin_ctl = None
63	self.qmax_ctl = None
64	self.swidth_ctl = None
65	self.sheight_ctl = None
66
67	self.rg_ctl = None
68	self.iq0_ctl = None
69	self.bck_chk = None
70	self.bck_ctl = None
71
72	# TextCtrl for fraction of positive P(r)
73	self.pos_ctl = None
74
75	# TextCtrl for fraction of 1 sigma positive P(r)
76	self.pos_err_ctl = None
77
78	## Estimates
79	self.alpha_estimate_ctl = None
80	self.nterms_estimate_ctl = None
81	## D_max distance explorator
82	self.distance_explorator_ctl = None
83	## Data manager
84	self._manager = None
85	## Standalone flage
86	self.standalone = standalone
87	## Default file location for save
88	self._default_save_location = os.getcwd()
89	if self.parent is not None:
90	self._default_save_location =\
91	self.parent._default_save_location
92
93	# Default width
94	self._default_width = 350
95	self._do_layout()
96
97	def __setattr__(self, name, value):
98	"""
99	Allow direct hooks to text boxes
100	"""
101	if name == 'nfunc':
102	self.nfunc_ctl.SetValue(str(int(value)))
103	elif name == 'd_max':
104	self.dmax_ctl.SetValue(str(value))
105	elif name == 'alpha':
106	self.alpha_ctl.SetValue(str(value))
107	elif name == 'chi2':
108	self.chi2_ctl.SetValue("%-5.2g" % value)
109	elif name == 'bck':
110	self.bck_ctl.SetValue("%-5.2g" % value)
111	elif name == 'q_min':
112	self.qmin_ctl.SetValue("%-5.2g" % value)
113	elif name == 'q_max':
114	self.qmax_ctl.SetValue("%-5.2g" % value)
115	elif name == 'elapsed':
116	self.time_ctl.SetValue("%-5.2g" % value)
117	elif name =='rg':
118	self.rg_ctl.SetValue("%-5.2g" % value)
119	elif name == 'iq0':
120	self.iq0_ctl.SetValue("%-5.2g" % value)
121	elif name == 'oscillation':
122	self.osc_ctl.SetValue("%-5.2g" % value)
123	elif name == 'slit_width':
124	self.swidth_ctl.SetValue("%-5.2g" % value)
125	elif name == 'slit_height':
126	self.sheight_ctl.SetValue("%-5.2g" % value)
127	elif name == 'positive':
128	self.pos_ctl.SetValue("%-5.2g" % value)
129	elif name == 'pos_err':
130	self.pos_err_ctl.SetValue("%-5.2g" % value)
131	elif name == 'alpha_estimate':
132	self.alpha_estimate_ctl.SetToolTipString("Click to accept value.")
133	self.alpha_estimate_ctl.Enable(True)
134	self.alpha_estimate_ctl.SetLabel("%-3.1g" % value)
135	#self.alpha_estimate_ctl.Show()
136	#self.label_sugg.Show()
137	elif name == 'nterms_estimate':
138	self.nterms_estimate_ctl.SetToolTipString("Click to accept value.")
139	self.nterms_estimate_ctl.Enable(True)
140	self.nterms_estimate_ctl.SetLabel("%-g" % value)
141	elif name == 'plotname':
142	self.plot_data.SetValue(str(value))
143	self._on_pars_changed(None)
144	elif name == 'datafile':
145	self.plot_data.SetValue(str(value))
146	self._on_pars_changed(None)
147	else:
148	wx.Panel.__setattr__(self, name, value)
149
150	def __getattr__(self, name):
151	"""
152	Allow direct hooks to text boxes
153	"""
154	if name == 'nfunc':
155	try:
156	return int(self.nfunc_ctl.GetValue())
157	except:
158	return -1
159	elif name == 'd_max':
160	try:
161	return self.dmax_ctl.GetValue()
162	except:
163	return -1.0
164	elif name == 'alpha':
165	try:
166	return self.alpha_ctl.GetValue()
167	except:
168	return -1.0
169	elif name == 'chi2':
170	try:
171	return float(self.chi2_ctl.GetValue())
172	except:
173	return None
174	elif name == 'bck':
175	try:
176	return float(self.bck_ctl.GetValue())
177	except:
178	return None
179	elif name == 'q_min':
180	try:
181	return float(self.qmin_ctl.GetValue())
182	except:
183	return 0.0
184	elif name=='q_max':
185	try:
186	return float(self.qmax_ctl.GetValue())
187	except:
188	return 0.0
189	elif name == 'elapsed':
190	try:
191	return float(self.time_ctl.GetValue())
192	except:
193	return None
194	elif name == 'rg':
195	try:
196	return float(self.rg_ctl.GetValue())
197	except:
198	return None
199	elif name=='iq0':
200	try:
201	return float(self.iq0_ctl.GetValue())
202	except:
203	return None
204	elif name == 'oscillation':
205	try:
206	return float(self.osc_ctl.GetValue())
207	except:
208	return None
209	elif name == 'slit_width':
210	try:
211	return float(self.swidth_ctl.GetValue())
212	except:
213	return None
214	elif name=='slit_height':
215	try:
216	return float(self.sheight_ctl.GetValue())
217	except:
218	return None
219	elif name == 'pos':
220	try:
221	return float(self.pos_ctl.GetValue())
222	except:
223	return None
224	elif name == 'pos_err':
225	try:
226	return float(self.pos_err_ctl.GetValue())
227	except:
228	return None
229	elif name == 'alpha_estimate':
230	try:
231	return float(self.alpha_estimate_ctl.GetLabel())
232	except:
233	return None
234	elif name == 'nterms_estimate':
235	try:
236	return int(self.nterms_estimate_ctl.GetLabel())
237	except:
238	return None
239	elif name == 'plotname':
240	return self.plot_data.GetValue()
241	elif name == 'datafile':
242	return self.plot_data.GetValue()
243	else:
244	return wx.Panel.__getattribute__(self, name)
245
246	def save_project(self, doc=None):
247	"""
248	return an xml node containing state of the panel
249	that guiframe can write to file
250	"""
251	data = self.get_data()
252	state = self.get_state()
253	if data is not None:
254	new_doc = self._manager.state_reader.write_toXML(data, state)
255	if new_doc is not None:
256	if doc is not None and hasattr(doc, "firstChild"):
257	child = new_doc.getElementsByTagName("SASentry")
258	for item in child:
259	doc.firstChild.appendChild(item)
260	else:
261	doc = new_doc
262	return doc
263
264	def on_save(self, evt=None):
265	"""
266	Method used to create a memento of the current state
267
268	:return: state object
269	"""
270	# Ask the user the location of the file to write to.
271	path = None
272	if self.parent != None:
273	self._default_save_location =\
274	self.parent._default_save_location
275	dlg = wx.FileDialog(self, "Choose a file",
276	self._default_save_location,\
277	self.window_caption, "*.prv", wx.SAVE)
278	if dlg.ShowModal() == wx.ID_OK:
279	path = dlg.GetPath()
280	self._default_save_location = os.path.dirname(path)
281	if self.parent != None:
282	self.parent._default_save_location =\
283	self._default_save_location
284	else:
285	return None
286
287	dlg.Destroy()
288
289	state = self.get_state()
290
291	# MAC always needs the extension for saving
292	extens = ".prv"
293	# Make sure the ext included in the file name
294	fName = os.path.splitext(path)[0] + extens
295	self._manager.save_data(filepath=fName, prstate=state)
296
297	return state
298
299	def get_data(self):
300	"""
301	"""
302	return self._manager.get_data()
303
304	def get_state(self):
305	"""
306	Get the current state
307
308	: return: state object
309	"""
310	# Construct the state object
311	state = InversionState()
312
313	# Read the panel's parameters
314	flag, alpha, dmax, nfunc, qmin, \
315	qmax, height, width = self._read_pars()
316
317	state.nfunc = nfunc
318	state.d_max = dmax
319	state.alpha = alpha
320	state.qmin = qmin
321	state.qmax = qmax
322	state.width = width
323	state.height = height
324
325	# Data file
326	state.file = self.plot_data.GetValue()
327
328	# Background evaluation checkbox
329	state.estimate_bck = self.bck_chk.IsChecked()
330
331	# Estimates
332	state.nterms_estimate = self.nterms_estimate
333	state.alpha_estimate = self.alpha_estimate
334
335	# Read the output values
336	state.chi2 = self.chi2
337	state.elapsed = self.elapsed
338	state.osc = self.oscillation
339	state.pos = self.pos
340	state.pos_err = self.pos_err
341	state.rg = self.rg
342	state.iq0 = self.iq0
343	state.bck = self.bck
344
345	return state
346
347	def set_state(self, state):
348	"""
349	Set the state of the panel and inversion problem to
350	the state passed as a parameter.
351	Execute the inversion immediately after filling the
352	controls.
353
354	:param state: InversionState object
355	"""
356	if state.nfunc is not None:
357	self.nfunc = state.nfunc
358	if state.d_max is not None:
359	self.d_max = state.d_max
360	if state.alpha is not None:
361	self.alpha = state.alpha
362	if state.qmin is not None:
363	self.q_min = state.qmin
364	if state.qmax is not None:
365	self.q_max = state.qmax
366	if state.width is not None:
367	self.slit_width = state.width
368	if state.height is not None:
369	self.slit_height = state.height
370
371	# Data file
372	self.plot_data.SetValue(str(state.file))
373
374	# Background evaluation checkbox
375	self.bck_chk.SetValue(state.estimate_bck)
376
377	# Estimates
378	if state.nterms_estimate is not None:
379	self.nterms_estimate = state.nterms_estimate
380	if state.alpha_estimate is not None:
381	self.alpha_estimate = state.alpha_estimate
382
383
384	# Read the output values
385	if state.chi2 is not None:
386	self.chi2 = state.chi2
387	if state.elapsed is not None:
388	self.elapsed = state.elapsed
389	if state.osc is not None:
390	self.oscillation = state.osc
391	if state.pos is not None:
392	self.positive = state.pos
393	if state.pos_err is not None:
394	self.pos_err = state.pos_err
395	if state.rg is not None:
396	self.rg = state.rg
397	if state.iq0 is not None:
398	self.iq0 = state.iq0
399	if state.bck is not None:
400	self.bck = state.bck
401
402	# Perform inversion
403	self._on_invert(None)
404
405	def set_manager(self, manager):
406	self._manager = manager
407
408	def _do_layout(self):
409	vbox = wx.GridBagSizer(0,0)
410	iy_vb = 0
411
412	# ----- I(q) data -----
413	databox = wx.StaticBox(self, -1, "I(q) data source")
414
415	boxsizer1 = wx.StaticBoxSizer(databox, wx.VERTICAL)
416	boxsizer1.SetMinSize((self._default_width, 50))
417	pars_sizer = wx.GridBagSizer(5, 5)
418
419	iy = 0
420	self.file_radio = wx.StaticText(self, -1, "Name:")
421	pars_sizer.Add(self.file_radio, (iy, 0), (1, 1),
422	wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
423
424	self.plot_data = DataFileTextCtrl(self, -1, size=(260,20))
425
426	pars_sizer.Add(self.plot_data, (iy, 1), (1, 1),
427	wx.EXPAND\|wx.LEFT\|wx.RIGHT\|wx.ADJUST_MINSIZE, 15)
428
429	self.bck_chk = wx.CheckBox(self, -1, "Estimate background level")
430	hint_msg = "Check box to let the fit estimate "
431	hint_msg += "the constant background level."
432	self.bck_chk.SetToolTipString(hint_msg)
433	self.bck_chk.Bind(wx.EVT_CHECKBOX, self._on_pars_changed)
434	iy += 1
435	pars_sizer.Add(self.bck_chk, (iy, 0), (1, 2),
436	wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
437	boxsizer1.Add(pars_sizer, 0, wx.EXPAND)
438	vbox.Add(boxsizer1, (iy_vb, 0), (1, 1),
439	wx.LEFT\|wx.RIGHT\|wx.EXPAND\|wx.ADJUST_MINSIZE\|wx.TOP, 5)
440
441	# ----- Add slit parameters -----
442	if True:
443	sbox = wx.StaticBox(self, -1, "Slit parameters")
444	sboxsizer = wx.StaticBoxSizer(sbox, wx.VERTICAL)
445	sboxsizer.SetMinSize((self._default_width, 20))
446
447	sizer_slit = wx.GridBagSizer(5, 5)
448
449	label_sheight = wx.StaticText(self, -1, "Height", size=(40, 20))
450	label_swidth = wx.StaticText(self, -1, "Width", size=(40, 20))
451	#label_sunits1 = wx.StaticText(self, -1, "[A^(-1)]")
452	label_sunits2 = wx.StaticText(self, -1, "[A^(-1)]", size=(55,20))
453	self.sheight_ctl = PrTextCtrl(self, -1, style=wx.TE_PROCESS_ENTER,
454	size=(60,20))
455	self.swidth_ctl = PrTextCtrl(self, -1, style=wx.TE_PROCESS_ENTER,
456	size=(60,20))
457	hint_msg = "Enter slit height in units of Q or leave blank."
458	self.sheight_ctl.SetToolTipString(hint_msg)
459	hint_msg = "Enter slit width in units of Q or leave blank."
460	self.swidth_ctl.SetToolTipString(hint_msg)
461	#self.sheight_ctl.Bind(wx.EVT_TEXT, self._on_pars_changed)
462	#self.swidth_ctl.Bind(wx.EVT_TEXT, self._on_pars_changed)
463
464	iy = 0
465	sizer_slit.Add(label_sheight, (iy, 0), (1, 1),
466	wx.LEFT\|wx.EXPAND, 5)
467	sizer_slit.Add(self.sheight_ctl, (iy, 1), (1, 1),
468	wx.LEFT\|wx.EXPAND, 5)
469
470	sizer_slit.Add(label_swidth, (iy, 2), (1, 1),
471	wx.LEFT\|wx.EXPAND, 5)
472	sizer_slit.Add(self.swidth_ctl, (iy, 3), (1, 1),
473	wx.LEFT\|wx.EXPAND, 5)
474	sizer_slit.Add(label_sunits2, (iy, 4), (1, 1),
475	wx.LEFT\|wx.EXPAND, 5)
476
477	sboxsizer.Add(sizer_slit, wx.TOP, 15)
478	iy_vb += 1
479	vbox.Add(sboxsizer, (iy_vb, 0), (1, 1),
480	wx.LEFT\|wx.RIGHT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 5)
481
482
483	# ----- Q range -----
484	qbox = wx.StaticBox(self, -1, "Q range")
485	qboxsizer = wx.StaticBoxSizer(qbox, wx.VERTICAL)
486	qboxsizer.SetMinSize((self._default_width, 20))
487
488	sizer_q = wx.GridBagSizer(5, 5)
489
490	label_qmin = wx.StaticText(self, -1, "Q min", size=(40, 20))
491	label_qmax = wx.StaticText(self, -1, "Q max", size=(40, 20))
492	#label_qunits1 = wx.StaticText(self, -1, "[A^(-1)]")
493	label_qunits2 = wx.StaticText(self, -1, "[A^(-1)]", size=(55, 20))
494	self.qmin_ctl = PrTextCtrl(self, -1, style=wx.TE_PROCESS_ENTER,
495	size=(60,20))
496	self.qmax_ctl = PrTextCtrl(self, -1, style=wx.TE_PROCESS_ENTER,
497	size=(60,20))
498	hint_msg = "Select a lower bound for Q or leave blank."
499	self.qmin_ctl.SetToolTipString(hint_msg)
500	hint_msg = "Select an upper bound for Q or leave blank."
501	self.qmax_ctl.SetToolTipString(hint_msg)
502	self.qmin_ctl.Bind(wx.EVT_TEXT, self._on_pars_changed)
503	self.qmax_ctl.Bind(wx.EVT_TEXT, self._on_pars_changed)
504
505	iy = 0
506	sizer_q.Add(label_qmin, (iy, 0), (1, 1), wx.LEFT\|wx.EXPAND, 5)
507	sizer_q.Add(self.qmin_ctl, (iy, 1), (1, 1), wx.LEFT\|wx.EXPAND, 5)
508	#sizer_q.Add(label_qunits1, (iy,2), (1,1), wx.LEFT\|wx.EXPAND, 15)
509	sizer_q.Add(label_qmax, (iy, 2), (1, 1), wx.LEFT\|wx.EXPAND, 5)
510	sizer_q.Add(self.qmax_ctl, (iy, 3), (1, 1), wx.LEFT\|wx.EXPAND, 5)
511	sizer_q.Add(label_qunits2, (iy, 4), (1, 1), wx.LEFT\|wx.EXPAND, 5)
512	qboxsizer.Add(sizer_q, wx.TOP, 15)
513
514	iy_vb += 1
515	vbox.Add(qboxsizer, (iy_vb,0), (1,1),
516	wx.LEFT\|wx.RIGHT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 5)
517
518	# ----- Parameters -----
519	parsbox = wx.StaticBox(self, -1, "Parameters")
520	boxsizer2 = wx.StaticBoxSizer(parsbox, wx.VERTICAL)
521	boxsizer2.SetMinSize((self._default_width,50))
522
523	explanation = "P(r) is found by fitting a set of base functions"
524	explanation += " to I(Q). The minimization involves"
525	explanation += " a regularization term to ensure a smooth P(r)."
526	explanation += " The regularization constant gives the size of that "
527	explanation += "term. The suggested value is the value above which the"
528	explanation += " output P(r) will have only one peak."
529	label_explain = wx.StaticText(self, -1, explanation, size=(280,90))
530	boxsizer2.Add(label_explain, wx.LEFT\|wx.BOTTOM, 5)
531
532
533
534	label_nfunc = wx.StaticText(self, -1, "Number of terms")
535	label_nfunc.SetMinSize((120, 20))
536	label_alpha = wx.StaticText(self, -1, "Regularization constant")
537	label_dmax = wx.StaticText(self, -1, "Max distance [A]")
538	self.label_sugg = wx.StaticText(self, -1, "Suggested value")
539	#self.label_sugg.Hide()
540
541	self.nfunc_ctl = PrTextCtrl(self, -1, style=wx.TE_PROCESS_ENTER,
542	size=(60,20))
543	self.nfunc_ctl.SetToolTipString("Number of terms in the expansion.")
544	self.alpha_ctl = PrTextCtrl(self, -1, style=wx.TE_PROCESS_ENTER,
545	size=(60,20))
546	hint_msg = "Control parameter for the size of the regularization term."
547	self.alpha_ctl.SetToolTipString(hint_msg)
548	self.dmax_ctl = PrTextCtrl(self, -1, style=wx.TE_PROCESS_ENTER,
549	size=(60,20))
550	hint_msg = "Maximum distance between any two points in the system."
551	self.dmax_ctl.SetToolTipString(hint_msg)
552	id = wx.NewId()
553	self.alpha_estimate_ctl = wx.Button(self, id, "")
554	#self.alpha_estimate_ctl.Hide()
555	self.Bind(wx.EVT_BUTTON, self._on_accept_alpha, id = id)
556	self.alpha_estimate_ctl.Enable(False)
557	#self.alpha_estimate_ctl.SetBackgroundColour('#ffdf85')
558	#self.alpha_estimate_ctl.SetBackgroundColour(self.GetBackgroundColour())
559	self.alpha_estimate_ctl.SetToolTipString("Waiting for estimate...")
560
561	id = wx.NewId()
562	self.nterms_estimate_ctl = wx.Button(self, id, "")
563	#self.nterms_estimate_ctl.Hide()
564	self.Bind(wx.EVT_BUTTON, self._on_accept_nterms, id = id)
565	self.nterms_estimate_ctl.Enable(False)
566
567	self.nterms_estimate_ctl.SetToolTipString("Waiting for estimate...")
568
569	self.nfunc_ctl.Bind(wx.EVT_TEXT, self._read_pars)
570	self.alpha_ctl.Bind(wx.EVT_TEXT, self._read_pars)
571	self.dmax_ctl.Bind(wx.EVT_TEXT, self._on_pars_changed)
572
573	# Distance explorator
574	id = wx.NewId()
575	self.distance_explorator_ctl = wx.Button(self, id, "Explore")
576	self.Bind(wx.EVT_BUTTON, self._on_explore, id = id)
577
578
579	sizer_params = wx.GridBagSizer(5,5)
580
581	iy = 0
582	sizer_params.Add(self.label_sugg, (iy, 2), (1, 1), wx.LEFT, 15)
583	iy += 1
584	sizer_params.Add(label_nfunc, (iy, 0), (1, 1), wx.LEFT, 15)
585	sizer_params.Add(self.nfunc_ctl, (iy, 1), (1, 1), wx.RIGHT, 0)
586	sizer_params.Add(self.nterms_estimate_ctl, (iy, 2), (1, 1), wx.LEFT, 15)
587	iy += 1
588	sizer_params.Add(label_alpha, (iy, 0), (1, 1), wx.LEFT, 15)
589	sizer_params.Add(self.alpha_ctl, (iy, 1), (1, 1), wx.RIGHT, 0)
590	sizer_params.Add(self.alpha_estimate_ctl, (iy, 2), (1, 1), wx.LEFT, 15)
591	iy += 1
592	sizer_params.Add(label_dmax, (iy, 0), (1, 1), wx.LEFT, 15)
593	sizer_params.Add(self.dmax_ctl, (iy, 1), (1, 1), wx.RIGHT, 0)
594	sizer_params.Add(self.distance_explorator_ctl, (iy, 2),
595	(1, 1), wx.LEFT, 15)
596
597	boxsizer2.Add(sizer_params, 0)
598
599	iy_vb += 1
600	vbox.Add(boxsizer2, (iy_vb, 0), (1, 1),
601	wx.LEFT\|wx.RIGHT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 5)
602
603
604	# ----- Results -----
605	resbox = wx.StaticBox(self, -1, "Outputs")
606	ressizer = wx.StaticBoxSizer(resbox, wx.VERTICAL)
607	ressizer.SetMinSize((self._default_width, 50))
608
609	label_rg = wx.StaticText(self, -1, "Rg")
610	label_rg_unit = wx.StaticText(self, -1, "[A]")
611	label_iq0 = wx.StaticText(self, -1, "I(Q=0)")
612	label_iq0_unit = wx.StaticText(self, -1, "[A^(-1)]")
613	label_bck = wx.StaticText(self, -1, "Background")
614	label_bck_unit = wx.StaticText(self, -1, "[A^(-1)]")
615	self.rg_ctl = OutputTextCtrl(self, -1, size=(60,20))
616	hint_msg = "Radius of gyration for the computed P(r)."
617	self.rg_ctl.SetToolTipString(hint_msg)
618	self.iq0_ctl = OutputTextCtrl(self, -1, size=(60, 20))
619	hint_msg = "Scattering intensity at Q=0 for the computed P(r)."
620	self.iq0_ctl.SetToolTipString(hint_msg)
621	self.bck_ctl = OutputTextCtrl(self, -1, size=(60, 20))
622	self.bck_ctl.SetToolTipString("Value of estimated constant background.")
623
624	label_time = wx.StaticText(self, -1, "Computation time")
625	label_time_unit = wx.StaticText(self, -1, "secs")
626	label_time.SetMinSize((120,20))
627	label_chi2 = wx.StaticText(self, -1, "Chi2/dof")
628	label_osc = wx.StaticText(self, -1, "Oscillations")
629	label_pos = wx.StaticText(self, -1, "Positive fraction")
630	label_pos_err = wx.StaticText(self, -1, "1-sigma positive fraction")
631
632	self.time_ctl = OutputTextCtrl(self, -1, size=(60, 20))
633	hint_msg = "Computation time for the last inversion, in seconds."
634	self.time_ctl.SetToolTipString(hint_msg)
635
636	self.chi2_ctl = OutputTextCtrl(self, -1, size=(60, 20))
637	self.chi2_ctl.SetToolTipString("Chi^2 over degrees of freedom.")
638
639	# Oscillation parameter
640	self.osc_ctl = OutputTextCtrl(self, -1, size=(60, 20))
641	hint_msg = "Oscillation parameter. P(r) for a sphere has an "
642	hint_msg += " oscillation parameter of 1.1."
643	self.osc_ctl.SetToolTipString(hint_msg)
644
645	# Positive fraction figure of merit
646	self.pos_ctl = OutputTextCtrl(self, -1, size=(60, 20))
647	hint_msg = "Fraction of P(r) that is positive. "
648	hint_msg += "Theoretically, P(r) is defined positive."
649	self.pos_ctl.SetToolTipString(hint_msg)
650
651	# 1-simga positive fraction figure of merit
652	self.pos_err_ctl = OutputTextCtrl(self, -1, size=(60, 20))
653	message = "Fraction of P(r) that is at least 1 standard deviation"
654	message += " greater than zero.\n"
655	message += "This figure of merit tells you about the size of the "
656	message += "P(r) errors.\n"
657	message += "If it is close to 1 and the other figures of merit are bad,"
658	message += " consider changing the maximum distance."
659	self.pos_err_ctl.SetToolTipString(message)
660
661	sizer_res = wx.GridBagSizer(5, 5)
662
663	iy = 0
664	sizer_res.Add(label_rg, (iy, 0), (1, 1), wx.LEFT\|wx.EXPAND, 15)
665	sizer_res.Add(self.rg_ctl, (iy, 1), (1, 1), wx.RIGHT\|wx.EXPAND, 15)
666	sizer_res.Add(label_rg_unit, (iy, 2), (1, 1), wx.RIGHT\|wx.EXPAND, 15)
667	iy += 1
668	sizer_res.Add(label_iq0, (iy, 0), (1, 1), wx.LEFT\|wx.EXPAND, 15)
669	sizer_res.Add(self.iq0_ctl, (iy, 1), (1, 1), wx.RIGHT\|wx.EXPAND, 15)
670	sizer_res.Add(label_iq0_unit, (iy, 2), (1, 1), wx.RIGHT\|wx.EXPAND, 15)
671	iy += 1
672	sizer_res.Add(label_bck, (iy, 0), (1, 1), wx.LEFT\|wx.EXPAND, 15)
673	sizer_res.Add(self.bck_ctl, (iy, 1), (1, 1), wx.RIGHT\|wx.EXPAND, 15)
674	sizer_res.Add(label_bck_unit, (iy, 2), (1, 1), wx.RIGHT\|wx.EXPAND, 15)
675	iy += 1
676	sizer_res.Add(label_time, (iy, 0), (1, 1), wx.LEFT\|wx.EXPAND, 15)
677	sizer_res.Add(self.time_ctl, (iy, 1), (1, 1), wx.RIGHT\|wx.EXPAND, 15)
678	sizer_res.Add(label_time_unit, (iy, 2), (1, 1), wx.RIGHT\|wx.EXPAND, 15)
679	iy += 1
680	sizer_res.Add(label_chi2, (iy, 0), (1, 1), wx.LEFT\|wx.EXPAND, 15)
681	sizer_res.Add(self.chi2_ctl, (iy, 1), (1, 1), wx.RIGHT\|wx.EXPAND, 15)
682	iy += 1
683	sizer_res.Add(label_osc, (iy, 0), (1, 1), wx.LEFT\|wx.EXPAND, 15)
684	sizer_res.Add(self.osc_ctl, (iy, 1), (1, 1), wx.RIGHT\|wx.EXPAND, 15)
685
686	iy += 1
687	sizer_res.Add(label_pos, (iy, 0), (1, 1), wx.LEFT\|wx.EXPAND, 15)
688	sizer_res.Add(self.pos_ctl, (iy, 1), (1, 1), wx.RIGHT\|wx.EXPAND, 15)
689
690	iy += 1
691	sizer_res.Add(label_pos_err, (iy, 0), (1, 1), wx.LEFT\|wx.EXPAND, 15)
692	sizer_res.Add(self.pos_err_ctl, (iy,1), (1, 1), wx.RIGHT\|wx.EXPAND, 15)
693
694	ressizer.Add(sizer_res, 0)
695	iy_vb += 1
696	vbox.Add(ressizer, (iy_vb, 0), (1, 1),
697	wx.LEFT\|wx.RIGHT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 5)
698
699	# ----- Buttons -----
700	id = wx.NewId()
701	button_OK = wx.Button(self, id, "Compute")
702	button_OK.SetToolTipString("Perform P(r) inversion.")
703	self.Bind(wx.EVT_BUTTON, self._on_invert, id = id)
704
705	self._set_reset_flag(True)
706	self._set_save_flag(True)
707	sizer_button = wx.BoxSizer(wx.HORIZONTAL)
708	sizer_button.Add((20, 20), 1, wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
709	sizer_button.Add(button_OK, 0, wx.LEFT\|wx.ADJUST_MINSIZE, 10)
710
711	iy_vb += 1
712	vbox.Add(sizer_button, (iy_vb, 0), (1, 1),
713	wx.EXPAND\|wx.BOTTOM\|wx.TOP\|wx.RIGHT, 10)
714
715	self.Bind(wx.EVT_TEXT_ENTER, self._on_invert)
716
717	self.SetSizer(vbox)
718
719	def _on_accept_alpha(self, evt):
720	"""
721	User has accepted the estimated alpha,
722	set it as part of the input parameters
723	"""
724	try:
725	alpha = self.alpha_estimate_ctl.GetLabel()
726	tmp = float(alpha)
727	self.alpha_ctl.SetValue(alpha)
728	except:
729	# No estimate or bad estimate, either do nothing
730	#import sys
731	print "InversionControl._on_accept_alpha: %s" % sys.exc_value
732	pass
733
734	def _on_accept_nterms(self, evt):
735	"""
736	User has accepted the estimated number of terms,
737	set it as part of the input parameters
738	"""
739	try:
740	nterms = self.nterms_estimate_ctl.GetLabel()
741	tmp = float(nterms)
742	self.nfunc_ctl.SetValue(nterms)
743	except:
744	# No estimate or bad estimate, either do nothing
745	import sys
746	print "InversionControl._on_accept_nterms: %s" % sys.exc_value
747	pass
748
749	def clear_panel(self):
750	"""
751	"""
752	self.plot_data.SetValue("")
753	self.on_reset(event=None)
754
755	def on_reset(self, event=None):
756	"""
757	Resets inversion parameters
758	"""
759	self.nfunc = self._manager.DEFAULT_NFUNC
760	self.d_max = self._manager.DEFAULT_DMAX
761	self.alpha = self._manager.DEFAULT_ALPHA
762	self.qmin_ctl.SetValue("")
763	self.qmax_ctl.SetValue("")
764	self.time_ctl.SetValue("")
765	self.rg_ctl.SetValue("")
766	self.iq0_ctl.SetValue("")
767	self.bck_ctl.SetValue("")
768	self.chi2_ctl.SetValue("")
769	self.osc_ctl.SetValue("")
770	self.pos_ctl.SetValue("")
771	self.pos_err_ctl.SetValue("")
772	self.alpha_estimate_ctl.Enable(False)
773	self.alpha_estimate_ctl.SetLabel("")
774	self.nterms_estimate_ctl.Enable(False)
775	self.nterms_estimate_ctl.SetLabel("")
776	self._on_pars_changed()
777
778	def _on_pars_changed(self, evt=None):
779	"""
780	Called when an input parameter has changed
781	We will estimate the alpha parameter behind the
782	scenes.
783	"""
784	flag, alpha, dmax, nfunc, qmin, qmax, height, width = self._read_pars()
785	has_bck = self.bck_chk.IsChecked()
786
787	# If the pars are valid, estimate alpha
788	if flag:
789	self.nterms_estimate_ctl.Enable(False)
790	self.alpha_estimate_ctl.Enable(False)
791
792	dataset = self.plot_data.GetValue()
793	if dataset is not None and dataset.strip() != "":
794	self._manager.estimate_plot_inversion(alpha=alpha, nfunc=nfunc,
795	d_max=dmax,
796	q_min=qmin, q_max=qmax,
797	bck=has_bck,
798	height=height,
799	width=width)
800
801	def _read_pars(self, evt=None):
802	"""
803	"""
804	alpha = 0
805	nfunc = 5
806	dmax = 120
807	qmin = 0
808	qmax = 0
809	height = 0
810	width = 0
811	flag = True
812	# Read slit height
813	try:
814	height_str = self.sheight_ctl.GetValue()
815	if len(height_str.lstrip().rstrip()) == 0:
816	height = 0
817	else:
818	height = float(height_str)
819	self.sheight_ctl.SetBackgroundColour(wx.WHITE)
820	self.sheight_ctl.Refresh()
821	except:
822	flag = False
823	self.sheight_ctl.SetBackgroundColour("pink")
824	self.sheight_ctl.Refresh()
825
826	# Read slit width
827	try:
828	width_str = self.swidth_ctl.GetValue()
829	if len(width_str.lstrip().rstrip())==0:
830	width = 0
831	else:
832	width = float(width_str)
833	self.swidth_ctl.SetBackgroundColour(wx.WHITE)
834	self.swidth_ctl.Refresh()
835	except:
836	flag = False
837	self.swidth_ctl.SetBackgroundColour("pink")
838	self.swidth_ctl.Refresh()
839
840	# Read alpha
841	try:
842	alpha = float(self.alpha_ctl.GetValue())
843	self.alpha_ctl.SetBackgroundColour(wx.WHITE)
844	self.alpha_ctl.Refresh()
845	except:
846	flag = False
847	self.alpha_ctl.SetBackgroundColour("pink")
848	self.alpha_ctl.Refresh()
849
850	# Read d_max
851	try:
852	dmax = float(self.dmax_ctl.GetValue())
853	self.dmax_ctl.SetBackgroundColour(wx.WHITE)
854	self.dmax_ctl.Refresh()
855	except:
856	flag = False
857	self.dmax_ctl.SetBackgroundColour("pink")
858	self.dmax_ctl.Refresh()
859
860	# Read nfunc
861	try:
862	nfunc = int(self.nfunc_ctl.GetValue())
863	npts = self._manager.get_npts()
864	if npts > 0 and nfunc > npts:
865	message = "Number of function terms should be smaller "
866	message += "than the number of points"
867	wx.PostEvent(self._manager.parent, StatusEvent(status=message))
868	raise ValueError, message
869	self.nfunc_ctl.SetBackgroundColour(wx.WHITE)
870	self.nfunc_ctl.Refresh()
871	except:
872	flag = False
873	self.nfunc_ctl.SetBackgroundColour("pink")
874	self.nfunc_ctl.Refresh()
875
876	# Read qmin
877	try:
878	qmin_str = self.qmin_ctl.GetValue()
879	if len(qmin_str.lstrip().rstrip()) == 0:
880	qmin = None
881	else:
882	qmin = float(qmin_str)
883	self.qmin_ctl.SetBackgroundColour(wx.WHITE)
884	self.qmin_ctl.Refresh()
885	except:
886	flag = False
887	self.qmin_ctl.SetBackgroundColour("pink")
888	self.qmin_ctl.Refresh()
889
890	# Read qmax
891	try:
892	qmax_str = self.qmax_ctl.GetValue()
893	if len(qmax_str.lstrip().rstrip()) == 0:
894	qmax = None
895	else:
896	qmax = float(qmax_str)
897	self.qmax_ctl.SetBackgroundColour(wx.WHITE)
898	self.qmax_ctl.Refresh()
899	except:
900	flag = False
901	self.qmax_ctl.SetBackgroundColour("pink")
902	self.qmax_ctl.Refresh()
903
904	return flag, alpha, dmax, nfunc, qmin, qmax, height, width
905
906	def _on_explore(self, evt):
907	"""
908	Invoke the d_max exploration dialog
909	"""
910	from explore_dialog import ExploreDialog
911	if self._manager._last_pr is not None:
912	pr = self._manager._create_plot_pr()
913	dialog = ExploreDialog(pr, 10, None, -1, "")
914	dialog.ShowModal()
915	else:
916	message = "No data to analyze. Please load a data set to proceed."
917	wx.PostEvent(self._manager.parent, StatusEvent(status=message))
918
919	def _on_invert(self, evt):
920	"""
921	Perform inversion
922
923	:param silent: when True, there will be no output for the user
924
925	"""
926	# Get the data from the form
927	# Push it to the manager
928
929	flag, alpha, dmax, nfunc, qmin, qmax, height, width = self._read_pars()
930	has_bck = self.bck_chk.IsChecked()
931
932	if flag:
933	dataset = self.plot_data.GetValue()
934	if dataset==None or len(dataset.strip())==0:
935	message = "No data to invert. Select a data set before"
936	message += " proceeding with P(r) inversion."
937	wx.PostEvent(self._manager.parent, StatusEvent(status=message))
938	else:
939	self._manager.setup_plot_inversion(alpha=alpha, nfunc=nfunc,
940	d_max=dmax,
941	q_min=qmin, q_max=qmax,
942	bck=has_bck,
943	height=height,
944	width=width)
945	else:
946	message = "The P(r) form contains invalid values: "
947	message += "please submit it again."
948	wx.PostEvent(self.parent, StatusEvent(status=message))
949
950	def _change_file(self, evt=None, filepath=None, data=None):
951	"""
952	Choose a new input file for I(q)
953	"""
954	if not self._manager is None:
955	self.plot_data.SetValue(str(data.name))
956	try:
957	self._manager.show_data(data=data, reset=True)
958	self._on_pars_changed(None)
959	self._on_invert(None)
960	except:
961	msg = "InversionControl._change_file: %s" % sys.exc_value
962	logging.error(msg)
963
964	class HelpDialog(wx.Dialog):
965	"""
966	"""
967	def __init__(self, parent, id):
968	"""
969	"""
970	from sas.pr.invertor import help
971	wx.Dialog.__init__(self, parent, id, size=(400, 450))
972	self.SetTitle("P(r) help")
973	self.SetWindowVariant(variant=FONT_VARIANT)
974
975	vbox = wx.BoxSizer(wx.VERTICAL)
976
977	explanation = help()
978
979	label_explain = wx.StaticText(self, -1, explanation, size=(360, 350))
980
981	vbox.Add(label_explain, 0, wx.ALL\|wx.EXPAND, 15)
982
983
984	static_line = wx.StaticLine(self, -1)
985	vbox.Add(static_line, 0, wx.EXPAND, 0)
986
987	button_OK = wx.Button(self, wx.ID_OK, "OK")
988	#button_Cancel = wx.Button(self, wx.ID_CANCEL, "Cancel")
989
990	sizer_button = wx.BoxSizer(wx.HORIZONTAL)
991	sizer_button.Add((20, 20), 1, wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
992	sizer_button.Add(button_OK, 0, wx.LEFT\|wx.RIGHT\|wx.ADJUST_MINSIZE, 10)
993
994	vbox.Add(sizer_button, 0, wx.EXPAND\|wx.BOTTOM\|wx.TOP, 10)
995
996	self.SetSizer(vbox)
997	self.SetAutoLayout(True)
998
999	self.Layout()
1000	self.Centre()
1001
1002	class PrDistDialog(wx.Dialog):
1003	"""
1004	Property dialog to let the user change the number
1005	of points on the P(r) plot.
1006	"""
1007	def __init__(self, parent, id):
1008	from sas.pr.invertor import help
1009	wx.Dialog.__init__(self, parent, id, size=(250, 120))
1010	self.SetTitle("P(r) distribution")
1011
1012
1013	vbox = wx.BoxSizer(wx.VERTICAL)
1014
1015	label_npts = wx.StaticText(self, -1, "Number of points")
1016	self.npts_ctl = PrTextCtrl(self, -1, size=(100, 20))
1017
1018	pars_sizer = wx.GridBagSizer(5, 5)
1019	iy = 0
1020	pars_sizer.Add(label_npts, (iy, 0), (1, 1), wx.LEFT, 15)
1021	pars_sizer.Add(self.npts_ctl, (iy, 1), (1, 1), wx.RIGHT, 0)
1022
1023	vbox.Add(pars_sizer, 0, wx.ALL\|wx.EXPAND, 15)
1024
1025	static_line = wx.StaticLine(self, -1)
1026	vbox.Add(static_line, 0, wx.EXPAND, 0)
1027
1028	button_OK = wx.Button(self, wx.ID_OK, "OK")
1029	self.Bind(wx.EVT_BUTTON, self._checkValues, button_OK)
1030	button_Cancel = wx.Button(self, wx.ID_CANCEL, "Cancel")
1031
1032	sizer_button = wx.BoxSizer(wx.HORIZONTAL)
1033	sizer_button.Add((20, 20), 1, wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
1034	sizer_button.Add(button_OK, 0, wx.LEFT\|wx.RIGHT\|wx.ADJUST_MINSIZE, 10)
1035	sizer_button.Add(button_Cancel, 0,
1036	wx.LEFT\|wx.RIGHT\|wx.ADJUST_MINSIZE, 10)
1037	vbox.Add(sizer_button, 0, wx.EXPAND\|wx.BOTTOM\|wx.TOP, 10)
1038
1039	self.SetSizer(vbox)
1040	self.SetAutoLayout(True)
1041
1042	self.Layout()
1043	self.Centre()
1044
1045	def _checkValues(self, event):
1046	"""
1047	Check the dialog content.
1048	"""
1049	flag = True
1050	try:
1051	int(self.npts_ctl.GetValue())
1052	self.npts_ctl.SetBackgroundColour(wx.WHITE)
1053	self.npts_ctl.Refresh()
1054	except:
1055	flag = False
1056	self.npts_ctl.SetBackgroundColour("pink")
1057	self.npts_ctl.Refresh()
1058	if flag:
1059	event.Skip(True)
1060
1061	def get_content(self):
1062	"""
1063	Return the content of the dialog.
1064	At this point the values have already been
1065	checked.
1066	"""
1067	value = int(self.npts_ctl.GetValue())
1068	return value
1069
1070	def set_content(self, npts):
1071	"""
1072	Initialize the content of the dialog.
1073	"""
1074	self.npts_ctl.SetValue("%i" % npts)
1075
1076	##### testing code ############################################################
1077	"""
1078	Example: ::
1079
1080	class TestPlot:
1081	def __init__(self, text):
1082	self.name = text
1083
1084	class MyApp(wx.App):
1085	def OnInit(self):
1086	wx.InitAllImageHandlers()
1087	dialog = PrDistDialog(None, -1)
1088	if dialog.ShowModal() == wx.ID_OK:
1089	pass
1090	dialog.Destroy()
1091
1092	return 1
1093
1094	# end of class MyApp
1095
1096	if __name__ == "__main__":
1097	app = MyApp(0)
1098	app.MainLoop()
1099
1100	"""
1101	##### end of testing code #####################################################

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SasView

source: sasview/src/sas/perspectives/pr/inversion_panel.py @ b5de88e

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