modelpage.py @ d1241f5

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 d1241f5 was 3dc83be, checked in by Mathieu Doucet <doucetm@…>, 16 years ago
Fix model change bug. Models can now be selected from the top menu or the model page menu with the same result. The 2D plot, if enabled, will also be correctly updated.
Property mode set to `100644`
File size: 16.9 KB

Line
1	import sys
2	import wx
3	import wx.lib
4	import numpy
5	import copy
6
7	from sans.guicomm.events import StatusEvent
8	(ModelEventbox, EVT_MODEL_BOX) = wx.lib.newevent.NewEvent()
9	_BOX_WIDTH = 80
10
11	def format_number(value, high=False):
12	"""
13	Return a float in a standardized, human-readable formatted string
14	"""
15	try:
16	value = float(value)
17	except:
18	print "returning 0"
19	return "0"
20
21	if high:
22	return "%-6.4g" % value
23	else:
24	return "%-5.3g" % value
25
26
27	class ModelPage(wx.ScrolledWindow):
28	"""
29	FitPanel class contains fields allowing to display results when
30	fitting a model and one data
31	@note: For Fit to be performed the user should check at least one parameter
32	on fit Panel window.
33
34	"""
35	## Internal name for the AUI manager
36	window_name = "Fit page"
37	## Title to appear on top of the window
38	window_caption = "Fit Page"
39
40
41	def __init__(self, parent,model,name, args, *kwargs):
42	wx.ScrolledWindow.__init__(self, parent, args, *kwargs)
43	"""
44	Initialization of the Panel
45	"""
46	#self.scroll = wx.ScrolledWindow(self)
47	self.manager = None
48	self.parent = parent
49	self.event_owner=None
50	#panel interface
51	self.vbox = wx.BoxSizer(wx.VERTICAL)
52	self.sizer3 = wx.GridBagSizer(5,5)
53	self.sizer1 = wx.GridBagSizer(5,5)
54	self.sizer2 = wx.GridBagSizer(5,5)
55	self.sizer4 = wx.GridBagSizer(5,5)
56	self.sizer5 = wx.GridBagSizer(5,5)
57	self.static_line_1 = wx.StaticLine(self, -1)
58	self.modelbox = wx.ComboBox(self, -1)
59	id = wx.NewId()
60	self.vbox.Add(self.sizer3)
61	self.vbox.Add(self.sizer1)
62	self.vbox.Add(self.sizer2)
63	self.vbox.Add(self.static_line_1, 0, wx.EXPAND, 0)
64	self.vbox.Add(self.sizer5)
65	self.vbox.Add(self.sizer4)
66
67	id = wx.NewId()
68	self.btClose =wx.Button(self,id,'Close')
69	self.btClose.Bind(wx.EVT_BUTTON, self.onClose,id=id)
70	self.btClose.SetToolTipString("Close page.")
71	ix = 1
72	iy = 1
73	self.sizer4.Add(wx.StaticText(self, -1, 'Min'),(iy, ix),(1,1),\
74	wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
75	ix += 1
76	self.sizer4.Add(wx.StaticText(self, -1, 'Max'),(iy, ix),(1,1),\
77	wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
78	ix += 1
79	self.sizer4.Add(wx.StaticText(self, -1, 'Npts'),(iy, ix),(1,1),\
80	wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
81	ix = 0
82	iy += 1
83	self.sizer4.Add(wx.StaticText(self, -1, 'x range'),(iy, ix),(1,1),\
84	wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
85	## Q range
86	self.qmin= 0.001
87	self.qmax= 0.1
88	self.num_points= 100
89
90	ix += 1
91	self.xmin = wx.TextCtrl(self, -1,size=(_BOX_WIDTH,20))
92	self.xmin.SetValue(format_number(self.qmin))
93	self.xmin.SetToolTipString("Minimun value of x in linear scale.")
94	self.xmin.Bind(wx.EVT_KILL_FOCUS, self._onparamEnter)
95	self.xmin.Bind(wx.EVT_TEXT_ENTER, self._onparamEnter)
96	self.sizer4.Add(self.xmin,(iy, ix),(1,1), wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
97
98
99	ix += 1
100	self.xmax = wx.TextCtrl(self, -1,size=(_BOX_WIDTH,20))
101	self.xmax.SetValue(format_number(self.qmax))
102	self.xmax.SetToolTipString("Maximum value of x in linear scale.")
103	self.xmax.Bind(wx.EVT_KILL_FOCUS, self._onparamEnter)
104	self.xmax.Bind(wx.EVT_TEXT_ENTER, self._onparamEnter)
105	self.sizer4.Add(self.xmax,(iy,ix),(1,1), wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
106	ix += 1
107	self.npts = wx.TextCtrl(self, -1,size=(_BOX_WIDTH,20))
108	self.npts.SetValue(format_number(self.num_points))
109	self.npts.SetToolTipString("Number of point to plot.")
110	self.npts.Bind(wx.EVT_KILL_FOCUS, self._onparamEnter)
111	self.npts.Bind(wx.EVT_TEXT_ENTER, self._onparamEnter)
112
113	self.sizer4.Add(self.npts,(iy,ix),(1,1), wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
114	ix = 0
115	iy += 1
116	self.sizer4.Add((20,20),(iy, ix),(1,1), wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
117	ix +=3
118	self.sizer4.Add( self.btClose,(iy,ix),(1,1), wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
119	ix = 0
120	iy = 1
121	self.sizer3.Add(wx.StaticText(self,-1,'Model'),(iy,ix),(1,1)\
122	, wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
123	ix += 1
124	self.sizer3.Add(self.modelbox,(iy,ix),(1,1), wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
125	#ix = 0
126	#iy += 1
127	ix += 1
128	id = wx.NewId()
129	self.model_view =wx.Button(self,id,'View 2D')
130	self.model_view.Bind(wx.EVT_BUTTON, self.onModel2D,id=id)
131	self.model_view.SetToolTipString("View model in 2D")
132	self.sizer3.Add(self.model_view,(iy,ix),(1,1),\
133	wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
134	# contains link between model ,all its parameters, and panel organization
135	self.parameters=[]
136	#contains link between a model and selected parameters to fit
137	self.param_toFit=[]
138	# model on which the fit would be performed
139	self.model=model
140	try:
141	#print"init modelpage",model.name
142	self.set_panel(model)
143	except:
144	raise
145	# preview selected model name
146	self.prevmodel_name=name
147	#print "model view prev_model",name
148	self.modelbox.SetValue(self.prevmodel_name)
149	# flag to check if the user has selected a new model in the combox box
150	self.model_hasChanged=False
151	#dictionary of model name and model class
152	self.model_list_box={}
153
154	#enable model 2D draw
155	self.enable2D= False
156	# Data1D to make a deep comparison between 2 Data1D for checking data
157	#change
158	self.vbox.Layout()
159	self.vbox.Fit(self)
160
161	self.SetSizer(self.vbox)
162	self.SetScrollbars(20,20,55,40)
163	self.Centre()
164
165	def set_range(self, qmin, qmax, npts):
166	"""
167	Set the range for the plotted models
168	@param qmin: minimum Q
169	@param qmax: maximum Q
170	@param npts: number of Q bins
171	"""
172	# Set the data members
173	self.qmin = qmin
174	self.qmax = qmax
175	self.num_points = npts
176
177	# Set the controls
178	self.xmin.SetValue(format_number(self.qmin))
179	self.xmax.SetValue(format_number(self.qmax))
180	self.npts.SetValue(format_number(self.num_points))
181
182	def onClose(self,event):
183	""" close the page associated with this panel"""
184	self.GrandParent.onClose()
185
186	def set_owner(self,owner):
187	"""
188	set owner of fitpage
189	@param owner: the class responsible of plotting
190	"""
191	self.event_owner=owner
192
193
194	def set_manager(self, manager):
195	"""
196	set panel manager
197	@param manager: instance of plugin fitting
198	"""
199	self.manager = manager
200
201	def onModel2D(self, event):
202	"""
203	call manager to plot model in 2D
204	"""
205	# If the 2D display is not currently enabled, plot the model in 2D
206	# and set the enable2D flag.
207	if self.enable2D==False:
208	self.enable2D=True
209	self._draw_model()
210
211	def populate_box(self, dict):
212	"""
213	Populate each combox box of each page
214	@param page: the page to populate
215	"""
216	id=0
217	self.model_list_box=dict
218	list_name=[]
219	for item in self.model_list_box.itervalues():
220	name = item.__name__
221	if hasattr(item, "name"):
222	name = item.name
223	list_name.append(name)
224	list_name.sort()
225	for name in list_name:
226	self.modelbox.Insert(name,int(id))
227	id+=1
228	wx.EVT_COMBOBOX(self.modelbox,-1, self._on_select_model)
229	return 0
230
231	def select_model(self, model):
232	"""
233	Select a new model
234	@param model: model object
235	"""
236	self.model= model
237	self.set_panel(model)
238	self._draw_model()
239
240	# Select the model from the combo box
241	items = self.modelbox.GetItems()
242	for i in range(len(items)):
243	if items[i]==model.__class__.__name__:
244	self.modelbox.SetSelection(i)
245
246	def _on_select_model(self,event):
247	"""
248	react when a model is selected from page's combo box
249	post an event to its owner to draw an appropriate theory
250	"""
251	self.model_view.SetFocus()
252	for item in self.model_list_box.itervalues():
253	name = item.__name__
254	if hasattr(item, "name"):
255	name = item.name
256	if name ==event.GetString():
257	model=item()
258	self.model= model
259	self.set_panel(model)
260	self.name= name
261	#self.manager.draw_model(model, name)
262	self._draw_model()
263
264
265	def get_model_box(self):
266	""" return reference to combox box self.model"""
267	return self.modelbox
268
269
270	def get_param_list(self):
271	"""
272	@return self.param_toFit: list containing references to TextCtrl
273	checked.Theses TextCtrl will allow reference to parameters to fit.
274	@raise: if return an empty list of parameter fit will nnote work
275	properly so raise ValueError,"missing parameter to fit"
276	"""
277	if self.param_toFit !=[]:
278	return self.param_toFit
279	else:
280	raise ValueError,"missing parameter to fit"
281
282
283	def set_panel(self,model):
284	"""
285	Build the panel from the model content
286	@param model: the model selected in combo box for fitting purpose
287	"""
288
289	self.sizer2.Clear(True)
290	self.sizer1.Clear(True)
291	self.sizer5.Clear(True)
292	self.parameters = []
293	self.param_toFit=[]
294	self.model = model
295	keys = self.model.getParamList()
296	keys.sort()
297	description=None
298	if hasattr(self.model,'description'):
299	description =model.description
300	disp_list=self.model.getDispParamList()
301	ip=0
302	iq=1
303	if len(disp_list)>0:
304	disp = wx.StaticText(self, -1, 'Dispersion')
305	self.sizer5.Add(disp,( iq, ip),(1,1), wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
306	ip += 1
307	values = wx.StaticText(self, -1, 'Values')
308	self.sizer5.Add(values,( iq, ip),(1,1), wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
309
310	disp_list.sort()
311	#print "went here",self.model.name,model.description
312	iy = 1
313	ix = 0
314	self.cb0 = wx.StaticText(self, -1,'Model Description:')
315	self.sizer1.Add(self.cb0,(iy, ix),(1,1),\
316	wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
317	iy += 1
318
319	self.cb01 = wx.StaticText(self, -1,str(description),style=wx.ALIGN_LEFT)
320	self.cb01.Wrap(400)
321	#self.cb01 = wx.StaticText(self, -1,str(description),(45, 25),style=wx.ALIGN_LEFT)
322
323	self.sizer1.Add(self.cb01,(iy, ix),(1,1),\
324	wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
325	ix = 0
326	iy = 1
327	self.cb1 = wx.StaticText(self, -1,'Parameters')
328	self.sizer2.Add(self.cb1,(iy, ix),(1,1),\
329	wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
330	ix +=1
331	self.text2_2 = wx.StaticText(self, -1, 'Values')
332	self.sizer2.Add(self.text2_2,(iy, ix),(1,1),\
333	wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
334	ix +=1
335	self.text2_4 = wx.StaticText(self, -1, 'Units')
336	self.sizer2.Add(self.text2_4,(iy, ix),(1,1),\
337	wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
338	self.text2_4.Hide()
339	for item in keys:
340	if not item in disp_list:
341	iy += 1
342	ix = 0
343	cb=wx.StaticText(self, -1, item)
344	self.sizer2.Add( cb,( iy, ix),(1,1), wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
345	ix += 1
346	value= self.model.getParam(item)
347	ctl1 = wx.TextCtrl(self, -1, size=(_BOX_WIDTH,20), style=wx.TE_PROCESS_ENTER)
348	ctl1.SetValue(str (format_number(value)))
349	ctl1.Bind(wx.EVT_KILL_FOCUS, self._onparamEnter)
350	ctl1.Bind(wx.EVT_TEXT_ENTER, self._onparamEnter)
351	self.sizer2.Add(ctl1, (iy,ix),(1,1), wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
352	ix +=1
353
354	# Units
355	try:
356	units = wx.StaticText(self, -1, self.model.details[item][0], style=wx.ALIGN_LEFT)
357	except:
358	units = wx.StaticText(self, -1, "", style=wx.ALIGN_LEFT)
359	self.sizer2.Add(units, (iy,ix),(1,1), wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
360	else:
361	ip = 0
362	iq += 1
363	cb = wx.CheckBox(self, -1, item, (10, 10))
364	cb.SetValue(False)
365	self.sizer5.Add( cb,( iq, ip),(1,1), wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
366	wx.EVT_CHECKBOX(self, cb.GetId(), self._on_select_model)
367
368	ip += 1
369	value= self.model.getParam(item)
370	ctl1 = wx.TextCtrl(self, -1, size=(_BOX_WIDTH,20), style=wx.TE_PROCESS_ENTER)
371	ctl1.SetValue(str (format_number(value)))
372	ctl1.Bind(wx.EVT_KILL_FOCUS, self._onparamEnter)
373	ctl1.Bind(wx.EVT_TEXT_ENTER,self._onparamEnter)
374	self.sizer5.Add(ctl1, (iq,ip),(1,1), wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
375	#save data
376	self.parameters.append([cb,ctl1])
377	iy+=1
378	self.sizer2.Add((20,20),(iy,ix),(1,1), wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
379
380	#Display units text on panel
381	for item in keys:
382	if self.model.details[item][0]!='':
383	self.text2_4.Show()
384	break
385	else:
386	self.text2_4.Hide()
387	self.vbox.Layout()
388	self.GrandParent.GetSizer().Layout()
389
390
391	def _onparamEnter(self,event):
392	"""
393	when enter value on panel redraw model according to changed
394	"""
395	self.set_model_parameter()
396
397	def set_model_parameter(self):
398	if len(self.parameters) !=0 and self.model !=None:
399	# Flag to register when a parameter has changed.
400	is_modified = False
401	for item in self.parameters:
402	try:
403	name=str(item[0].GetLabelText())
404	value= float(item[1].GetValue())
405	# If the value of the parameter has changed,
406	# update the model and set the is_modified flag
407	if value != self.model.getParam(name):
408	self.model.setParam(name,value)
409	is_modified = True
410	except:
411	wx.PostEvent(self.parent.GrandParent, StatusEvent(status=\
412	"Model Drawing Error:wrong value entered : %s"% sys.exc_value))
413
414	# Here we should check whether the boundaries have been modified.
415	# If qmin and qmax have been modified, update qmin and qmax and
416	# set the is_modified flag to True
417	if float(self.xmin.GetValue()) != self.qmin:
418	self.qmin = float(self.xmin.GetValue())
419	is_modified = True
420	if float(self.xmax.GetValue()) != self.qmax:
421	self.qmax = float(self.xmax.GetValue())
422	is_modified = True
423
424	if float(self.npts.GetValue()) != self.num_points:
425	self.num_points = float(self.npts.GetValue())
426	is_modified = True
427
428	if is_modified:
429	self._draw_model()
430
431	def _draw_model(self):
432	"""
433	Method to draw or refresh a plotted model.
434	The method will use the data member from the model page
435	to build a call to the fitting perspective manager.
436
437	[Note to coder: This way future changes will be done in only one place.]
438	"""
439	self.manager.draw_model(self.model, self.model.name,
440	qmin=self.qmin, qmax=self.qmax,
441	qstep= self.num_points,
442	enable2D=self.enable2D)
443
444
445
446

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source: sasview/sansview/perspectives/fitting/modelpage.py @ d1241f5

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