invariant_panel.py @ 479eced

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 479eced was 0a8759f, checked in by Gervaise Alina <gervyh@…>, 15 years ago
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1	"""
2	This module provide GUI for the neutron scattering length density calculator
3	@author: Gervaise B. Alina
4	"""
5
6	import wx
7
8	import sys
9	from wx.lib.scrolledpanel import ScrolledPanel
10	from sans.invariant import invariant
11	from sans.guiframe.utils import format_number, check_float
12	from sans.guicomm.events import NewPlotEvent, StatusEvent
13	from invariant_details import InvariantDetailsPanel, InvariantContainer
14	from invariant_widgets import OutputTextCtrl, InvTextCtrl
15
16	# The minimum q-value to be used when extrapolating
17	Q_MINIMUM = 1e-5
18	# The maximum q-value to be used when extrapolating
19	Q_MAXIMUM = 10
20	# the maximum value to plot the theory data
21	Q_MAXIMUM_PLOT = 2
22	# the number of points to consider during fit
23	NPTS = 10
24	#Default value for background
25	BACKGROUND = 0.0
26	#default value for the scale
27	SCALE = 1.0
28	#default value of the contrast
29	CONTRAST = 1.0
30	#default value of the power used for power law
31	POWER = 4.0
32	#Invariant panel size
33	_BOX_WIDTH = 76
34
35	if sys.platform.count("win32")>0:
36	_STATICBOX_WIDTH = 450
37	PANEL_WIDTH = 500
38	PANEL_HEIGHT = 700
39	FONT_VARIANT = 0
40	else:
41	_STATICBOX_WIDTH = 480
42	PANEL_WIDTH = 530
43	PANEL_HEIGHT = 700
44	FONT_VARIANT = 1
45
46
47	class InvariantPanel(ScrolledPanel):
48	"""
49	Provides the Invariant GUI.
50	"""
51	## Internal nickname for the window, used by the AUI manager
52	window_name = "Invariant"
53	## Name to appear on the window title bar
54	window_caption = "Invariant"
55	## Flag to tell the AUI manager to put this panel in the center pane
56	CENTER_PANE = True
57	def __init__(self, parent, data=None, manager=None,args, *kwds):
58	kwds["size"]= (PANEL_WIDTH, PANEL_HEIGHT)
59	kwds["style"]= wx.FULL_REPAINT_ON_RESIZE
60	ScrolledPanel.__init__(self, parent=parent, args, *kwds)
61	#Font size
62	self.SetWindowVariant(variant=FONT_VARIANT)
63	#Object that receive status event
64	self.parent = parent
65	#plug-in using this panel
66	self._manager = manager
67	#Data uses for computation
68	self._data = data
69	self._scale = SCALE
70	self._background = BACKGROUND
71	#container of invariant value
72	self.inv_container = None
73	#Draw the panel
74	self._do_layout()
75	self.reset_panel()
76	if self.parent is not None:
77	msg = ""
78	wx.PostEvent(self.parent,StatusEvent(status=msg, info="info"))
79	self.SetupScrolling()
80
81	def err_check_on_data(self):
82	"""
83	Check if data is valid for further computation
84	"""
85	flag = False
86	self.hint_msg_txt.SetLabel('')
87	#edit the panel
88	if self._data is not None:
89	if len(self._data.x[self._data.x==0]) > 0:
90	flag = True
91	msg = "Invariant: one of your q-values is zero. Delete that entry before proceeding"
92	self.hint_msg_txt.SetLabel(msg)
93	wx.PostEvent(self.parent, StatusEvent(status=msg,
94	info="warning",
95	type="stop"))
96	return flag
97
98	def set_data(self, data):
99	"""
100	Set the data
101	"""
102	self._data = data
103	#edit the panel
104	if self._data is not None:
105	self.err_check_on_data()
106	data_name = self._data.name
107	data_qmin = min (self._data.x)
108	data_qmax = max (self._data.x)
109	self.data_name_tcl.SetValue(str(data_name))
110	self.data_min_tcl.SetLabel(str(data_qmin))
111	self.data_max_tcl.SetLabel(str(data_qmax))
112	self.reset_panel()
113	self.compute_invariant(event=None)
114
115	def set_message(self):
116	"""
117	Display warning message if available
118	"""
119	if self.inv_container is not None:
120	if self.inv_container.existing_warning:
121	msg = "Warning! Computations on invariant require your "
122	msg += "attention.\n Please click on Details button."
123	self.hint_msg_txt.SetForegroundColour("red")
124
125	wx.PostEvent(self.parent,StatusEvent(status=msg,info="warning"))
126	else:
127	msg = "For more information, click on Details button."
128	self.hint_msg_txt.SetForegroundColour("black")
129	wx.PostEvent(self.parent,StatusEvent(status=msg,info="info"))
130	self.hint_msg_txt.SetLabel(msg)
131	self.data_name_boxsizer.Layout()
132
133	def set_manager(self, manager):
134	"""
135	set value for the manager
136	"""
137	self._manager = manager
138
139	def get_background(self):
140	"""
141	@return the background textcrtl value as a float
142	"""
143	background = self.background_tcl.GetValue().lstrip().rstrip()
144	if background == "":
145	raise ValueError, "Need a background"
146	if check_float(self.background_tcl):
147	return float(background)
148	else:
149	raise ValueError, "Receive invalid value for background : %s"%(background)
150
151	def get_scale(self):
152	"""
153	@return the scale textcrtl value as a float
154	"""
155	scale = self.scale_tcl.GetValue().lstrip().rstrip()
156	if scale == "":
157	raise ValueError, "Need a background"
158	if check_float(self.scale_tcl):
159	if float(scale)<= 0.0:
160	self.scale_tcl.SetBackgroundColour("pink")
161	self.scale_tcl.Refresh()
162	raise ValueError, "Receive invalid value for scale: %s"%(scale)
163	return float(scale)
164	else:
165	raise ValueError, "Receive invalid value for scale : %s"%(scale)
166
167	def get_contrast(self):
168	"""
169	@return the contrast textcrtl value as a float
170	"""
171	par_str = self.contrast_tcl.GetValue().strip()
172	contrast = None
173	if par_str !="" and check_float(self.contrast_tcl):
174	contrast = float(par_str)
175	return contrast
176
177	def get_extrapolation_type(self, low_q, high_q):
178	"""
179	"""
180	extrapolation = None
181	if low_q and not high_q:
182	extrapolation = "low"
183	elif not low_q and high_q:
184	extrapolation = "high"
185	elif low_q and high_q:
186	extrapolation = "both"
187	return extrapolation
188
189	def get_porod_const(self):
190	"""
191	@return the porod constant textcrtl value as a float
192	"""
193	par_str = self.porod_constant_tcl.GetValue().strip()
194	porod_const = None
195	if par_str !="" and check_float(self.porod_constant_tcl):
196	porod_const = float(par_str)
197	return porod_const
198
199	def get_volume(self, inv, contrast, extrapolation):
200	"""
201	"""
202	if contrast is not None:
203	try:
204	v, dv = inv.get_volume_fraction_with_error(contrast=contrast,
205	extrapolation=extrapolation)
206	self.volume_tcl.SetValue(format_number(v))
207	self.volume_err_tcl.SetValue(format_number(dv))
208	except:
209	self.volume_tcl.SetValue(format_number(None))
210	self.volume_err_tcl.SetValue(format_number(None))
211	msg= "Error occurred computing volume fraction: %s"%sys.exc_value
212	wx.PostEvent(self.parent, StatusEvent(status=msg,
213	info="error",
214	type="stop"))
215
216	def get_surface(self, inv, contrast, porod_const, extrapolation):
217	"""
218	"""
219	if contrast is not None and porod_const is not None:
220	try:
221	s, ds = inv.get_surface_with_error(contrast=contrast,
222	porod_const=porod_const,
223	extrapolation=extrapolation)
224	self.surface_tcl.SetValue(format_number(s))
225	self.surface_err_tcl.SetValue(format_number(ds))
226	except:
227	self.surface_tcl.SetValue(format_number(None))
228	self.surface_err_tcl.SetValue(format_number(None))
229	msg = "Error occurred computing specific surface: %s"%sys.exc_value
230	wx.PostEvent(self.parent, StatusEvent(status=msg, info="error",
231	type="stop"))
232
233	def get_total_qstar(self, inv, extrapolation):
234	"""
235	"""
236	try:
237	qstar_total, qstar_total_err = inv.get_qstar_with_error(extrapolation)
238
239	self.invariant_total_tcl.SetValue(format_number(qstar_total))
240	self.invariant_total_err_tcl.SetValue(format_number(qstar_total_err))
241	self.inv_container.qstar_total = qstar_total
242	self.inv_container.qstar_total_err = qstar_total_err
243
244	except:
245	self.inv_container.qstar_total = "Error"
246	self.inv_container.qstar_total_err = "Error"
247	self.invariant_total_tcl.SetValue(format_number(None))
248	self.invariant_total_err_tcl.SetValue(format_number(None))
249	msg= "Error occurred computing invariant using extrapolation: %s"%sys.exc_value
250	wx.PostEvent(self.parent, StatusEvent(status= msg, type="stop"))
251
252	def get_low_qstar(self, inv, npts_low, low_q=False):
253	"""
254	"""
255	if low_q:
256	try:
257	qstar_low, qstar_low_err = inv.get_qstar_low()
258	self.inv_container.qstar_low = qstar_low
259	self.inv_container.qstar_low_err = qstar_low_err
260	extrapolated_data = inv.get_extra_data_low(npts_in=npts_low)
261	power_low = inv.get_extrapolation_power(range='low')
262	if self.power_law_low.GetValue():
263	self.power_low_tcl.SetValue(format_number(power_low))
264	self._manager.plot_theory(data=extrapolated_data,
265	name="Low-Q extrapolation")
266	except:
267	self.inv_container.qstar_low = "ERROR"
268	self.inv_container.qstar_low_err = "ERROR"
269	self._manager.plot_theory(name="Low-Q extrapolation")
270	msg= "Error occurred computing low-Q invariant: %s"%sys.exc_value
271	wx.PostEvent(self.parent, StatusEvent(status= msg, type="stop"))
272	else:
273	self._manager.plot_theory(name="Low-Q extrapolation")
274
275	def get_high_qstar(self, inv, high_q=False):
276	"""
277	"""
278	if high_q:
279	try:
280	qstar_high, qstar_high_err = inv.get_qstar_high()
281	self.inv_container.qstar_high = qstar_high
282	self.inv_container.qstar_high_err = qstar_high_err
283	power_high = inv.get_extrapolation_power(range='high')
284	self.power_high_tcl.SetValue(format_number(power_high))
285	high_out_data = inv.get_extra_data_high(q_end=Q_MAXIMUM_PLOT)
286	self._manager.plot_theory(data=high_out_data,
287	name="High-Q extrapolation")
288	except:
289	self.inv_container.qstar_high = "ERROR"
290	self.inv_container.qstar_high_err = "ERROR"
291	self._manager.plot_theory(name="High-Q extrapolation")
292	msg= "Error occurred computing high-Q invariant: %s"%sys.exc_value
293	wx.PostEvent(self.parent, StatusEvent(status= msg, type="stop"))
294	else:
295	self._manager.plot_theory(name="High-Q extrapolation")
296
297	def get_qstar(self, inv):
298	"""
299	"""
300	qstar, qstar_err = inv.get_qstar_with_error()
301	self.inv_container.qstar = qstar
302	self.inv_container.qstar_err = qstar_err
303
304	def set_extrapolation_low(self, inv, low_q=False):
305	"""
306	@return float value necessary to compute invariant a low q
307	"""
308	#get funtion
309	if self.guinier.GetValue():
310	function_low = "guinier"
311	# get the function
312	power_low = None #2.0/3.0
313	if self.power_law_low.GetValue():
314	function_low = "power_law"
315	if self.fit_enable_low.GetValue():
316	#set value of power_low to none to allow fitting
317	power_low = None
318	else:
319	power_low = self.power_low_tcl.GetValue().lstrip().rstrip()
320	if check_float(self.power_low_tcl):
321	power_low = float(power_low)
322	else:
323	if low_q :
324	#Raise error only when qstar at low q is requested
325	msg = "Expect float for power at low q , got %s"%(power_low)
326	raise ValueError, msg
327
328	#Get the number of points to extrapolated
329	npts_low = self.npts_low_tcl.GetValue().lstrip().rstrip()
330	if check_float(self.npts_low_tcl):
331	npts_low = float(npts_low)
332	else:
333	if low_q:
334	msg = "Expect float for number of points at low q , got %s"%(npts_low)
335	raise ValueError, msg
336	#Set the invariant calculator
337	inv.set_extrapolation(range="low", npts=npts_low,
338	function=function_low, power=power_low)
339	return inv, npts_low
340
341	def set_extrapolation_high(self, inv, high_q=False):
342	"""
343	@return float value necessary to compute invariant a high q
344	"""
345	power_high = None
346	#if self.power_law_high.GetValue():
347	function_high = "power_law"
348	if self.fit_enable_high.GetValue():
349	#set value of power_high to none to allow fitting
350	power_high = None
351	else:
352	power_high = self.power_high_tcl.GetValue().lstrip().rstrip()
353	if check_float(self.power_high_tcl):
354	power_high = float(power_high)
355	else:
356	if high_q :
357	#Raise error only when qstar at high q is requested
358	msg = "Expect float for power at high q , got %s"%(power_high)
359	raise ValueError, msg
360
361	npts_high = self.npts_high_tcl.GetValue().lstrip().rstrip()
362	if check_float(self.npts_high_tcl):
363	npts_high = float(npts_high)
364	else:
365	if high_q:
366	msg = "Expect float for number of points at high q , got %s"%(npts_high)
367	raise ValueError, msg
368	inv.set_extrapolation(range="high", npts=npts_high,
369	function=function_high, power=power_high)
370	return inv, npts_high
371
372	def display_details(self, event):
373	"""
374	open another panel for more details on invariant calculation
375	"""
376	panel = InvariantDetailsPanel(parent=self,
377	qstar_container=self.inv_container)
378	panel.ShowModal()
379	panel.Destroy()
380	self.button_calculate.SetFocus()
381
382	def compute_invariant(self, event=None):
383	"""
384	compute invariant
385	"""
386	msg= ""
387	wx.PostEvent(self.parent, StatusEvent(status=msg))
388	if self._data is None or self.err_check_on_data():
389	return
390
391	#clear outputs textctrl
392	self._reset_output()
393	try:
394	background = self.get_background()
395	scale = self.get_scale()
396	except:
397	msg= "Invariant Error: %s"%(sys.exc_value)
398	wx.PostEvent(self.parent, StatusEvent(status= msg, type="stop"))
399	return
400
401	low_q = self.enable_low_cbox.GetValue()
402	high_q = self.enable_high_cbox.GetValue()
403	#set invariant calculator
404	inv = invariant.InvariantCalculator(data=self._data,
405	background=background,
406	scale=scale)
407	try:
408	inv, npts_low = self.set_extrapolation_low(inv=inv, low_q=low_q)
409	inv, npts_high = self.set_extrapolation_high(inv=inv, high_q=high_q)
410	except:
411	msg = "Error occurred computing invariant: %s"%sys.exc_value
412	wx.PostEvent(self.parent, StatusEvent(status=msg,
413	info="warning",type="stop"))
414	return
415	#check the type of extrapolation
416	extrapolation = self.get_extrapolation_type(low_q=low_q, high_q=high_q)
417
418	#Compute invariant
419	bkg_changed = False
420	scale_changed = False
421	try:
422	self.get_qstar(inv=inv)
423	#if scale_changed or bkg_changed:
424	self._manager.plot_data(scale=scale, background=background)
425
426	except:
427	msg= "Error occurred computing invariant: %s"%sys.exc_value
428	wx.PostEvent(self.parent, StatusEvent(status=msg,
429	info="warning",type="stop"))
430	return
431
432	#Compute qstar extrapolated to low q range
433	self.get_low_qstar(inv=inv, npts_low=npts_low, low_q=low_q)
434	#Compute qstar extrapolated to high q range
435	self.get_high_qstar(inv=inv, high_q=high_q)
436	#Compute qstar extrapolated to total q range and set value to txtcrtl
437	self.get_total_qstar(inv=inv, extrapolation=extrapolation)
438	# Parse additional parameters
439	porod_const = self.get_porod_const()
440	contrast = self.get_contrast()
441	try:
442	#Compute volume and set value to txtcrtl
443	self.get_volume(inv=inv, contrast=contrast, extrapolation=extrapolation)
444	#compute surface and set value to txtcrtl
445	except:
446	msg = "Error occurred computing invariant: %s"%sys.exc_value
447	wx.PostEvent(self.parent, StatusEvent(status=msg,
448	info="warning",type="stop"))
449	try:
450	self.get_surface(inv=inv, contrast=contrast, porod_const=porod_const,
451	extrapolation=extrapolation)
452	except:
453	msg = "Error occurred computing invariant: %s"%sys.exc_value
454	wx.PostEvent(self.parent, StatusEvent(status=msg,
455	info="warning",type="stop"))
456
457	#compute percentage of each invariant
458	self.inv_container.compute_percentage()
459	#display a message
460	self.set_message()
461	#enable the button_ok for more details
462	self.button_details.Enable()
463	self.button_details.SetFocus()
464
465	def reset_panel(self):
466	"""
467	set the panel at its initial state.
468	"""
469	self.background_tcl.SetValue(str(BACKGROUND))
470	self.scale_tcl.SetValue(str(SCALE))
471	self.contrast_tcl.SetValue(str(CONTRAST))
472	self.porod_constant_tcl.SetValue('')
473	self.npts_low_tcl.SetValue(str(NPTS))
474	self.enable_low_cbox.SetValue(False)
475	self.fix_enable_low.SetValue(True)
476	self.power_low_tcl.SetValue(str(POWER))
477	self.guinier.SetValue(True)
478	self.power_low_tcl.Disable()
479	self.enable_high_cbox.SetValue(False)
480	self.fix_enable_high.SetValue(True)
481	self.power_high_tcl.SetValue(str(POWER))
482	self.npts_high_tcl.SetValue(str(NPTS))
483	self.button_details.Disable()
484	#Change the state of txtcrtl to enable/disable
485	self._enable_low_q_section()
486	#Change the state of txtcrtl to enable/disable
487	self._enable_high_q_section()
488	self._reset_output()
489	self.button_calculate.SetFocus()
490
491	def _reset_output(self):
492	"""
493	clear outputs textcrtl
494	"""
495	self.invariant_total_tcl.Clear()
496	self.invariant_total_err_tcl.Clear()
497	self.volume_tcl.Clear()
498	self.volume_err_tcl.Clear()
499	self.surface_tcl.Clear()
500	self.surface_err_tcl.Clear()
501	#prepare a new container to put result of invariant
502	self.inv_container = InvariantContainer()
503
504	def _define_structure(self):
505	"""
506	Define main sizers needed for this panel
507	"""
508	## Box sizers must be defined first before defining buttons/textctrls (MAC).
509	self.main_sizer = wx.BoxSizer(wx.VERTICAL)
510	#Sizer related to outputs
511	outputs_box = wx.StaticBox(self, -1, "Outputs")
512	self.outputs_sizer = wx.StaticBoxSizer(outputs_box, wx.VERTICAL)
513	self.outputs_sizer.SetMinSize((PANEL_WIDTH,-1))
514	#Sizer related to data
515	data_name_box = wx.StaticBox(self, -1, "I(q) Data Source")
516	self.data_name_boxsizer = wx.StaticBoxSizer(data_name_box, wx.VERTICAL)
517	self.data_name_boxsizer.SetMinSize((PANEL_WIDTH,-1))
518	self.hint_msg_sizer = wx.BoxSizer(wx.HORIZONTAL)
519	self.data_name_sizer = wx.BoxSizer(wx.HORIZONTAL)
520	self.data_range_sizer = wx.BoxSizer(wx.HORIZONTAL)
521	#Sizer related to background and scale
522	self.bkg_scale_sizer = wx.BoxSizer(wx.HORIZONTAL)
523	#Sizer related to contrast and porod constant
524	self.contrast_porod_sizer = wx.BoxSizer(wx.HORIZONTAL)
525	#Sizer related to inputs
526	inputs_box = wx.StaticBox(self, -1, "Customized Inputs")
527	self.inputs_sizer = wx.StaticBoxSizer(inputs_box, wx.VERTICAL)
528	#Sizer related to extrapolation
529	extrapolation_box = wx.StaticBox(self, -1, "Extrapolation")
530	self.extrapolation_sizer = wx.StaticBoxSizer(extrapolation_box,
531	wx.VERTICAL)
532	self.extrapolation_sizer.SetMinSize((PANEL_WIDTH,-1))
533	self.extrapolation_range_sizer = wx.BoxSizer(wx.HORIZONTAL)
534	self.extrapolation_low_high_sizer = wx.BoxSizer(wx.HORIZONTAL)
535	#Sizer related to extrapolation at low q range
536	low_q_box = wx.StaticBox(self, -1, "Low Q")
537	self.low_extrapolation_sizer = wx.StaticBoxSizer(low_q_box, wx.VERTICAL)
538	self.low_q_sizer = wx.GridBagSizer(5,5)
539	#Sizer related to extrapolation at low q range
540	high_q_box = wx.StaticBox(self, -1, "High Q")
541	self.high_extrapolation_sizer = wx.StaticBoxSizer(high_q_box, wx.VERTICAL)
542	self.high_q_sizer = wx.GridBagSizer(5,5)
543	#sizer to define outputs
544	self.volume_surface_sizer = wx.GridBagSizer(5,5)
545	#Sizer related to invariant output
546	self.invariant_sizer = wx.GridBagSizer(5, 5)
547	#Sizer related to button
548	self.button_sizer = wx.BoxSizer(wx.HORIZONTAL)
549
550	def _layout_data_name(self):
551	"""
552	Draw widgets related to data's name
553	"""
554	#Sizer hint
555	hint_msg = "First open data file from 'File' menu. Then Highlight and right click on the data plot. \n"
556	hint_msg += "Finally, select 'Compute Invariant'. \n"
557	self.hint_msg_txt = wx.StaticText(self, -1, hint_msg)
558	self.hint_msg_txt.SetForegroundColour("red")
559	msg = "Highlight = mouse the mouse's cursor on the data until the plot's color changes to yellow"
560	self.hint_msg_txt.SetToolTipString(msg)
561	self.hint_msg_sizer.Add(self.hint_msg_txt)
562	#Data name [string]
563	data_name_txt = wx.StaticText(self, -1, 'Data : ')
564
565	self.data_name_tcl = OutputTextCtrl(self, -1, size=(_BOX_WIDTH*5, 20), style=0)
566	self.data_name_tcl.SetToolTipString("Data's name.")
567	self.data_name_sizer.AddMany([(data_name_txt, 0, wx.LEFT\|wx.RIGHT, 10),
568	(self.data_name_tcl, 0, wx.EXPAND)])
569	#Data range [string]
570	data_range_txt = wx.StaticText(self, -1, 'Total Q Range (1/A): ')
571	data_min_txt = wx.StaticText(self, -1, 'Min : ')
572	self.data_min_tcl = OutputTextCtrl(self, -1, size=(_BOX_WIDTH, 20), style=0)
573	self.data_min_tcl.SetToolTipString("The minimum value of q range.")
574	data_max_txt = wx.StaticText(self, -1, 'Max : ')
575	self.data_max_tcl = OutputTextCtrl(self, -1, size=(_BOX_WIDTH, 20), style=0)
576	self.data_max_tcl.SetToolTipString("The maximum value of q range.")
577	self.data_range_sizer.AddMany([(data_range_txt, 0, wx.RIGHT, 10),
578	(data_min_txt, 0, wx.RIGHT, 10),
579	(self.data_min_tcl, 0, wx.RIGHT, 10),
580	(data_max_txt, 0, wx.RIGHT, 10),
581	(self.data_max_tcl, 0, wx.RIGHT, 10)])
582	self.data_name_boxsizer.AddMany([(self.hint_msg_sizer, 0 , wx.ALL, 10),
583	(self.data_name_sizer, 0 , wx.RIGHT, 10),
584	(self.data_range_sizer, 0 , wx.ALL, 10)])
585
586	def _layout_bkg_scale(self):
587	"""
588	Draw widgets related to background and scale
589	"""
590	background_txt = wx.StaticText(self, -1, 'Background : ')
591	self.background_tcl = InvTextCtrl(self, -1, size=(_BOX_WIDTH, 20), style=0)
592	background_hint_txt = "background"
593	self.background_tcl.SetToolTipString(background_hint_txt)
594	background_unit_txt = wx.StaticText(self, -1, '[1/cm]')
595	scale_txt = wx.StaticText(self, -1, 'Scale : ')
596	self.scale_tcl = InvTextCtrl(self, -1, size=(_BOX_WIDTH, 20), style=0)
597	scale_hint_txt = "Scale"
598	self.scale_tcl.SetToolTipString(scale_hint_txt)
599	self.bkg_scale_sizer.AddMany([(background_txt, 0, wx.LEFT, 10),
600	(self.background_tcl, 0, wx.LEFT, 5),
601	(background_unit_txt, 0, wx.LEFT, 10),
602	(scale_txt, 0, wx.LEFT, 70),
603	(self.scale_tcl, 0, wx.LEFT, 40)])
604
605	def _layout_contrast_porod(self):
606	"""
607	Draw widgets related to porod constant and contrast
608	"""
609	contrast_txt = wx.StaticText(self, -1, 'Contrast : ')
610	self.contrast_tcl = InvTextCtrl(self, -1, size=(_BOX_WIDTH, 20), style=0)
611	contrast_hint_txt = "Contrast"
612	self.contrast_tcl.SetToolTipString(contrast_hint_txt)
613	contrast_unit_txt = wx.StaticText(self, -1, '[1/A^(2)]')
614	porod_const_txt = wx.StaticText(self, -1, 'Porod Constant:')
615	self.porod_constant_tcl = InvTextCtrl(self, -1,
616	size=(_BOX_WIDTH, 20), style=0)
617	porod_const_hint_txt = "Porod Constant"
618	self.porod_constant_tcl.SetToolTipString(porod_const_hint_txt)
619	optional_txt = wx.StaticText(self, -1, '(Optional)')
620	self.contrast_porod_sizer.AddMany([(contrast_txt, 0, wx.LEFT, 10),
621	(self.contrast_tcl, 0, wx.LEFT, 20),
622	(contrast_unit_txt, 0, wx.LEFT, 10),
623	(porod_const_txt, 0, wx.LEFT, 50),
624	(self.porod_constant_tcl, 0, wx.LEFT, 0),
625	(optional_txt, 0, wx.LEFT, 10)])
626
627	def _enable_fit_power_law_low(self, event=None):
628	"""
629	Enable and disable the power value editing
630	"""
631	if self.fix_enable_low.IsEnabled():
632	if self.fix_enable_low.GetValue():
633	self.power_low_tcl.Enable()
634	else:
635	self.power_low_tcl.Disable()
636
637	def _enable_low_q_section(self, event=None):
638	"""
639	Disable or enable some button if the user enable low q extrapolation
640	"""
641	if self.enable_low_cbox.GetValue():
642	self.npts_low_tcl.Enable()
643	self.fix_enable_low.Enable()
644	self.fit_enable_low.Enable()
645	self.guinier.Enable()
646	self.power_law_low.Enable()
647
648	else:
649	self.npts_low_tcl.Disable()
650	self.fix_enable_low.Disable()
651	self.fit_enable_low.Disable()
652	self.guinier.Disable()
653	self.power_law_low.Disable()
654	self._enable_power_law_low()
655	self._enable_fit_power_law_low()
656	self.button_calculate.SetFocus()
657
658	def _enable_power_law_low(self, event=None):
659	"""
660	Enable editing power law section at low q range
661	"""
662	if self.guinier.GetValue():
663	self.fix_enable_low.Disable()
664	self.fit_enable_low.Disable()
665	self.power_low_tcl.Disable()
666	else:
667	self.fix_enable_low.Enable()
668	self.fit_enable_low.Enable()
669	self.power_low_tcl.Enable()
670	self._enable_fit_power_law_low()
671
672	def _layout_extrapolation_low(self):
673	"""
674	Draw widgets related to extrapolation at low q range
675	"""
676	self.enable_low_cbox = wx.CheckBox(self, -1, "Enable Extrapolate Low Q")
677	wx.EVT_CHECKBOX(self, self.enable_low_cbox.GetId(),
678	self._enable_low_q_section)
679	self.fix_enable_low = wx.RadioButton(self, -1, 'Fix',
680	(10, 10),style=wx.RB_GROUP)
681	self.fit_enable_low = wx.RadioButton(self, -1, 'Fit', (10, 10))
682	self.Bind(wx.EVT_RADIOBUTTON, self._enable_fit_power_law_low,
683	id=self.fix_enable_low.GetId())
684	self.Bind(wx.EVT_RADIOBUTTON, self._enable_fit_power_law_low,
685	id=self.fit_enable_low.GetId())
686	self.guinier = wx.RadioButton(self, -1, 'Guinier',
687	(10, 10),style=wx.RB_GROUP)
688	self.power_law_low = wx.RadioButton(self, -1, 'Power Law', (10, 10))
689	self.Bind(wx.EVT_RADIOBUTTON, self._enable_power_law_low,
690	id=self.guinier.GetId())
691	self.Bind(wx.EVT_RADIOBUTTON, self._enable_power_law_low,
692	id=self.power_law_low.GetId())
693
694	npts_low_txt = wx.StaticText(self, -1, 'Npts')
695	self.npts_low_tcl = InvTextCtrl(self, -1, size=(_BOX_WIDTH*2/3, -1))
696	msg_hint = "Number of Q points to consider"
697	msg_hint +="while extrapolating the low-Q region"
698	self.npts_low_tcl.SetToolTipString(msg_hint)
699	power_txt = wx.StaticText(self, -1, 'Power')
700	self.power_low_tcl = InvTextCtrl(self, -1, size=(_BOX_WIDTH*2/3, -1))
701
702	power_hint_txt = "Exponent to apply to the Power_law function."
703	self.power_low_tcl.SetToolTipString(power_hint_txt)
704	iy = 0
705	ix = 0
706	self.low_q_sizer.Add(self.enable_low_cbox,(iy, ix),(1,5),
707	wx.TOP\|wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
708	iy += 1
709	ix = 0
710	self.low_q_sizer.Add(npts_low_txt,(iy, ix),(1,1),
711	wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
712	ix += 1
713	self.low_q_sizer.Add(self.npts_low_tcl, (iy, ix), (1,1),
714	wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
715	iy += 1
716	ix = 0
717	self.low_q_sizer.Add(self.guinier,(iy, ix),(1,2),
718	wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
719	iy += 1
720	ix = 0
721	self.low_q_sizer.Add(self.power_law_low,(iy, ix),(1,2),
722	wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
723
724	# Parameter controls for power law
725	ix = 1
726	iy += 1
727	self.low_q_sizer.Add(self.fix_enable_low,(iy, ix),(1,1),
728	wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
729	ix += 1
730	self.low_q_sizer.Add(self.fit_enable_low,(iy, ix),(1,1),
731	wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
732	ix = 1
733	iy += 1
734	self.low_q_sizer.Add(power_txt,(iy, ix),(1,1),
735	wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
736	ix += 1
737	self.low_q_sizer.Add(self.power_low_tcl, (iy, ix), (1,1),
738	wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
739	self.low_extrapolation_sizer.AddMany([(self.low_q_sizer, 0,
740	wx.BOTTOM\|wx.RIGHT, 15)])
741
742	def _enable_fit_power_law_high(self, event=None):
743	"""
744	Enable and disable the power value editing
745	"""
746	if self.fix_enable_high.IsEnabled():
747	if self.fix_enable_high.GetValue():
748	self.power_high_tcl.Enable()
749	else:
750	self.power_high_tcl.Disable()
751
752	def _enable_high_q_section(self, event=None):
753	"""
754	Disable or enable some button if the user enable high q extrapolation
755	"""
756	if self.enable_high_cbox.GetValue():
757	self.npts_high_tcl.Enable()
758	self.power_law_high.Enable()
759	self.power_high_tcl.Enable()
760	self.fix_enable_high.Enable()
761	self.fit_enable_high.Enable()
762	else:
763	self.npts_high_tcl.Disable()
764	self.power_law_high.Disable()
765	self.power_high_tcl.Disable()
766	self.fix_enable_high.Disable()
767	self.fit_enable_high.Disable()
768	self._enable_fit_power_law_high()
769	self.button_calculate.SetFocus()
770
771	def _layout_extrapolation_high(self):
772	"""
773	Draw widgets related to extrapolation at high q range
774	"""
775	self.enable_high_cbox = wx.CheckBox(self, -1, "Enable Extrapolate high-Q")
776	wx.EVT_CHECKBOX(self, self.enable_high_cbox.GetId(),
777	self._enable_high_q_section)
778
779	self.fix_enable_high = wx.RadioButton(self, -1, 'Fix',
780	(10, 10),style=wx.RB_GROUP)
781	self.fit_enable_high = wx.RadioButton(self, -1, 'Fit', (10, 10))
782	self.Bind(wx.EVT_RADIOBUTTON, self._enable_fit_power_law_high,
783	id=self.fix_enable_high.GetId())
784	self.Bind(wx.EVT_RADIOBUTTON, self._enable_fit_power_law_high,
785	id=self.fit_enable_high.GetId())
786
787	self.power_law_high = wx.StaticText(self, -1, 'Power Law')
788	msg_hint ="Check to extrapolate data at high-Q"
789	self.power_law_high.SetToolTipString(msg_hint)
790	npts_high_txt = wx.StaticText(self, -1, 'Npts')
791	self.npts_high_tcl = InvTextCtrl(self, -1, size=(_BOX_WIDTH*2/3, -1))
792	msg_hint = "Number of Q points to consider"
793	msg_hint += "while extrapolating the high-Q region"
794	self.npts_high_tcl.SetToolTipString(msg_hint)
795	power_txt = wx.StaticText(self, -1, 'Power')
796	self.power_high_tcl = InvTextCtrl(self, -1, size=(_BOX_WIDTH*2/3, -1))
797	power_hint_txt = "Exponent to apply to the Power_law function."
798	self.power_high_tcl.SetToolTipString(power_hint_txt)
799	iy = 0
800	ix = 0
801	self.high_q_sizer.Add(self.enable_high_cbox,(iy, ix),(1,5),
802	wx.TOP\|wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
803	iy += 1
804	ix = 0
805	self.high_q_sizer.Add(npts_high_txt,(iy, ix),(1,1),
806	wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
807	ix += 1
808	self.high_q_sizer.Add(self.npts_high_tcl, (iy, ix), (1,1),
809	wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
810	iy += 2
811	ix = 0
812	self.high_q_sizer.Add(self.power_law_high,(iy, ix),(1,2),
813	wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
814
815	# Parameter controls for power law
816	ix = 1
817	iy += 1
818	self.high_q_sizer.Add(self.fix_enable_high,(iy, ix),(1,1),
819	wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
820	ix += 1
821	self.high_q_sizer.Add(self.fit_enable_high,(iy, ix),(1,1),
822	wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
823	ix = 1
824	iy += 1
825	self.high_q_sizer.Add(power_txt,(iy, ix),(1,1),
826	wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
827	ix += 1
828	self.high_q_sizer.Add(self.power_high_tcl, (iy, ix), (1,1),
829	wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
830	self.high_extrapolation_sizer.AddMany([(self.high_q_sizer, 0,
831	wx.BOTTOM\|wx.RIGHT, 10)])
832
833	def _layout_extrapolation(self):
834	"""
835	Draw widgets related to extrapolation
836	"""
837	extra_hint = "Extrapolation Maximum Q Range [1/A]: "
838	extra_hint_txt = wx.StaticText(self, -1, extra_hint)
839	#Extrapolation range [string]
840	extrapolation_min_txt = wx.StaticText(self, -1, 'Min : ')
841	self.extrapolation_min_tcl = OutputTextCtrl(self, -1,
842	size=(_BOX_WIDTH, 20), style=0)
843	self.extrapolation_min_tcl.SetValue(str(Q_MINIMUM))
844	self.extrapolation_min_tcl.SetToolTipString("The minimum extrapolated q value.")
845	extrapolation_max_txt = wx.StaticText(self, -1, 'Max : ')
846	self.extrapolation_max_tcl = OutputTextCtrl(self, -1,
847	size=(_BOX_WIDTH, 20), style=0)
848	self.extrapolation_max_tcl.SetValue(str(Q_MAXIMUM))
849	self.extrapolation_max_tcl.SetToolTipString("The maximum extrapolated q value.")
850	self.extrapolation_range_sizer.AddMany([(extra_hint_txt, 0, wx.LEFT, 10),
851	(extrapolation_min_txt, 0, wx.LEFT, 10),
852	(self.extrapolation_min_tcl,
853	0, wx.LEFT, 10),
854	(extrapolation_max_txt, 0, wx.LEFT, 10),
855	(self.extrapolation_max_tcl,
856	0, wx.LEFT, 10),
857	])
858	self._layout_extrapolation_low()
859	self._layout_extrapolation_high()
860	self.extrapolation_low_high_sizer.AddMany([(self.low_extrapolation_sizer,
861	0, wx.ALL, 10),
862	(self.high_extrapolation_sizer,
863	0, wx.ALL, 10)])
864	self.extrapolation_sizer.AddMany([(self.extrapolation_range_sizer, 0,
865	wx.RIGHT, 10),
866	(self.extrapolation_low_high_sizer, 0,
867	wx.ALL, 10)])
868
869	def _layout_volume_surface_sizer(self):
870	"""
871	Draw widgets related to volume and surface
872	"""
873	unit_volume = ''
874	unit_surface = ''
875	uncertainty = "+/-"
876	volume_txt = wx.StaticText(self, -1, 'Volume Fraction ')
877	self.volume_tcl = OutputTextCtrl(self, -1, size=(_BOX_WIDTH,-1))
878	self.volume_tcl.SetToolTipString("Volume fraction.")
879	self.volume_err_tcl = OutputTextCtrl(self, -1, size=(_BOX_WIDTH,-1))
880	self.volume_err_tcl.SetToolTipString("Uncertainty on the volume fraction.")
881	volume_units_txt = wx.StaticText(self, -1, unit_volume)
882
883	surface_txt = wx.StaticText(self, -1, 'Specific Surface')
884	self.surface_tcl = OutputTextCtrl(self, -1, size=(_BOX_WIDTH,-1))
885	self.surface_tcl.SetToolTipString("Specific surface value.")
886	self.surface_err_tcl = OutputTextCtrl(self, -1, size=(_BOX_WIDTH,-1))
887	self.surface_err_tcl.SetToolTipString("Uncertainty on the specific surface.")
888	surface_units_txt = wx.StaticText(self, -1, unit_surface)
889	iy = 0
890	ix = 0
891	self.volume_surface_sizer.Add(volume_txt, (iy, ix), (1,1),
892	wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
893	ix += 1
894	self.volume_surface_sizer.Add(self.volume_tcl, (iy, ix), (1,1),
895	wx.EXPAND\|wx.ADJUST_MINSIZE, 10)
896	ix += 1
897	self.volume_surface_sizer.Add(wx.StaticText(self, -1, uncertainty),
898	(iy, ix),(1,1),wx.EXPAND\|wx.ADJUST_MINSIZE, 10)
899	ix += 1
900	self.volume_surface_sizer.Add(self.volume_err_tcl, (iy, ix), (1,1),
901	wx.EXPAND\|wx.ADJUST_MINSIZE, 10)
902	ix += 1
903	self.volume_surface_sizer.Add(volume_units_txt, (iy, ix), (1,1),
904	wx.EXPAND\|wx.ADJUST_MINSIZE, 10)
905	iy += 1
906	ix = 0
907	self.volume_surface_sizer.Add(surface_txt, (iy, ix), (1,1),
908	wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
909	ix += 1
910	self.volume_surface_sizer.Add(self.surface_tcl, (iy, ix), (1,1),
911	wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
912	ix += 1
913	self.volume_surface_sizer.Add(wx.StaticText(self, -1, uncertainty),
914	(iy, ix),(1,1),wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
915	ix += 1
916	self.volume_surface_sizer.Add(self.surface_err_tcl, (iy, ix), (1,1),
917	wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
918	ix += 1
919	self.volume_surface_sizer.Add(surface_units_txt, (iy, ix), (1,1),
920	wx.EXPAND\|wx.ADJUST_MINSIZE, 10)
921
922	def _layout_invariant_sizer(self):
923	"""
924	Draw widgets related to invariant
925	"""
926	uncertainty = "+/-"
927	unit_invariant = '[1/(cm * A)]'
928	invariant_total_txt = wx.StaticText(self, -1, 'Invariant Total [Q*]')
929	self.invariant_total_tcl = OutputTextCtrl(self, -1, size=(_BOX_WIDTH,-1))
930	msg_hint = "Total invariant [Q*], including extrapolated regions."
931	self.invariant_total_tcl.SetToolTipString(msg_hint)
932	self.invariant_total_err_tcl = OutputTextCtrl(self, -1, size=(_BOX_WIDTH,-1))
933	self.invariant_total_err_tcl.SetToolTipString("Uncertainty on invariant.")
934	invariant_total_units_txt = wx.StaticText(self, -1, unit_invariant)
935
936	#Invariant total
937	iy = 0
938	ix = 0
939	self.invariant_sizer.Add(invariant_total_txt, (iy, ix), (1,1),
940	wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
941	ix += 1
942	self.invariant_sizer.Add(self.invariant_total_tcl, (iy, ix), (1,1),
943	wx.EXPAND\|wx.ADJUST_MINSIZE, 10)
944	ix += 1
945	self.invariant_sizer.Add( wx.StaticText(self, -1, uncertainty),
946	(iy, ix),(1,1),wx.EXPAND\|wx.ADJUST_MINSIZE, 10)
947	ix += 1
948	self.invariant_sizer.Add(self.invariant_total_err_tcl, (iy, ix), (1,1),
949	wx.EXPAND\|wx.ADJUST_MINSIZE, 10)
950	ix += 1
951	self.invariant_sizer.Add(invariant_total_units_txt,(iy, ix), (1,1),
952	wx.EXPAND\|wx.ADJUST_MINSIZE, 10)
953
954	def _layout_inputs_sizer(self):
955	"""
956	Draw widgets related to inputs
957	"""
958	self._layout_bkg_scale()
959	self._layout_contrast_porod()
960	self.inputs_sizer.AddMany([(self.bkg_scale_sizer, 0, wx.ALL, 5),
961	(self.contrast_porod_sizer, 0, wx.ALL, 5)])
962
963	def _layout_outputs_sizer(self):
964	"""
965	Draw widgets related to outputs
966	"""
967	self._layout_volume_surface_sizer()
968	self._layout_invariant_sizer()
969	static_line = wx.StaticLine(self, -1)
970	self.outputs_sizer.AddMany([(self.volume_surface_sizer, 0, wx.ALL, 10),
971	(static_line, 0, wx.EXPAND, 0),
972	(self.invariant_sizer, 0, wx.ALL, 10)])
973	def _layout_button(self):
974	"""
975	Do the layout for the button widgets
976	"""
977	#compute button
978	id = wx.NewId()
979	self.button_calculate = wx.Button(self, id, "Compute")
980	self.button_calculate.SetToolTipString("Compute invariant")
981	self.Bind(wx.EVT_BUTTON, self.compute_invariant, id=id)
982	#detail button
983	id = wx.NewId()
984	self.button_details = wx.Button(self, id, "Details?")
985	self.button_details.SetToolTipString("Give Details on Computation")
986	self.Bind(wx.EVT_BUTTON, self.display_details, id=id)
987	details = "Details on Invariant Total Calculations"
988	details_txt = wx.StaticText(self, -1, details)
989	self.button_sizer.AddMany([((10,10), 0 , wx.LEFT,0),
990	(details_txt, 0 ,
991	wx.RIGHT\|wx.BOTTOM\|wx.TOP, 10),
992	(self.button_details, 0 , wx.ALL, 10),
993	(self.button_calculate, 0 , wx.RIGHT\|wx.TOP\|wx.BOTTOM, 10)])
994
995	def _do_layout(self):
996	"""
997	Draw window content
998	"""
999	self._define_structure()
1000	self._layout_data_name()
1001	self._layout_extrapolation()
1002	self._layout_inputs_sizer()
1003	self._layout_outputs_sizer()
1004	self._layout_button()
1005	self.main_sizer.AddMany([(self.data_name_boxsizer,0, wx.ALL, 10),
1006	(self.outputs_sizer, 0,
1007	wx.LEFT\|wx.RIGHT\|wx.BOTTOM, 10),
1008	(self.button_sizer,0,
1009	wx.LEFT\|wx.RIGHT\|wx.BOTTOM, 10),
1010	(self.inputs_sizer, 0,
1011	wx.LEFT\|wx.RIGHT\|wx.BOTTOM, 10),
1012	(self.extrapolation_sizer, 0,
1013	wx.LEFT\|wx.RIGHT\|wx.BOTTOM, 10)])
1014	self.SetSizer(self.main_sizer)
1015	self.SetAutoLayout(True)
1016
1017	class InvariantDialog(wx.Dialog):
1018	def __init__(self, parent=None, id=1,graph=None,
1019	data=None, title="Invariant",base=None):
1020	wx.Dialog.__init__(self, parent, id, title, size=(PANEL_WIDTH,
1021	PANEL_HEIGHT))
1022	self.panel = InvariantPanel(self)
1023	self.Centre()
1024	self.Show(True)
1025
1026	class InvariantWindow(wx.Frame):
1027	def __init__(self, parent=None, id=1,graph=None,
1028	data=None, title="Invariant",base=None):
1029
1030	wx.Frame.__init__(self, parent, id, title, size=(PANEL_WIDTH +100,
1031	PANEL_HEIGHT+100))
1032
1033	self.panel = InvariantPanel(self)
1034	self.Centre()
1035	self.Show(True)
1036
1037	class MyApp(wx.App):
1038	def OnInit(self):
1039	wx.InitAllImageHandlers()
1040	frame = InvariantWindow()
1041	frame.Show(True)
1042	self.SetTopWindow(frame)
1043
1044	return True
1045
1046	# end of class MyApp
1047
1048	if __name__ == "__main__":
1049	app = MyApp(0)
1050	app.MainLoop()

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SasView

source: sasview/invariantview/perspectives/invariant/invariant_panel.py @ 479eced

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