fitDialog.py @ c09ac449

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 c09ac449 was 3755d77, checked in by Mathieu Doucet <doucetm@…>, 16 years ago
fixed bug with transforms
Property mode set to `100644`
File size: 19.7 KB

Rev	Line
[6cfe703]	1	#!/usr/bin/python
	2
	3	# fitDialog.py
	4
	5	import wx
[e40b651]	6	from PlotPanel import PlotPanel
	7	from plottables import Theory1D
	8	import math,pylab,fittings
[831149e]	9	import transform
	10
[05da1f89]	11	def format_number(value, high=False):
	12	"""
	13	Return a float in a standardized, human-readable formatted string
	14	"""
[052a66bc]	15	try:
	16	value = float(value)
	17	except:
	18	print "returning 0"
	19	return "0"
	20
[05da1f89]	21	if high:
	22	return "%-6.4g" % value
	23	else:
	24	return "%-5.3g" % value
	25
[831149e]	26
[6cfe703]	27	class LinearFit(wx.Dialog):
[f52bea1]	28	def __init__(self, parent, plottable, push_data,transform, id, title):
[1c94a9f1]	29	wx.Dialog.__init__(self, parent, id, title, size=(400, 350))
[05da1f89]	30
[6cfe703]	31	"""
[b43a009]	32	Dialog window pops- up when select Linear fit on Context menu
	33	Displays fitting parameters
[6cfe703]	34	"""
	35	self.parent = parent
[f52bea1]	36	self.transform = transform
[05da1f89]	37
[1c94a9f1]	38	# Registered owner for close event
	39	self._registered_close = None
	40
[e40b651]	41	#dialog panel self call function to plot the fitting function
	42	self.push_data = push_data
	43	#dialog self plottable
	44	self.plottable = plottable
[05da1f89]	45
[ddff053]	46	# Receive transformations of x and y
[b43a009]	47	self.xLabel,self.yLabel,self.Avalue,self.Bvalue,\
	48	self.ErrAvalue,self.ErrBvalue,self.Chivalue= self.transform()
[05da1f89]	49
[e40b651]	50	#Dialog interface
[6cfe703]	51	vbox = wx.BoxSizer(wx.VERTICAL)
[106ef4d]	52	sizer = wx.GridBagSizer(5,5)
	53
[05da1f89]	54	_BOX_WIDTH = 100
[6cfe703]	55
[05da1f89]	56	self.tcA = wx.TextCtrl(self, -1,size=(_BOX_WIDTH,20))
	57	self.tcA.SetToolTipString("Fit value for the slope parameter.")
	58	self.tcErrA = wx.TextCtrl(self, -1,size=(_BOX_WIDTH,20))
	59	self.tcErrA.SetToolTipString("Error on the slope parameter.")
	60	self.tcB = wx.TextCtrl(self, -1,size=(_BOX_WIDTH,20))
	61	self.tcA.SetToolTipString("Fit value for the constant parameter.")
	62	self.tcErrB = wx.TextCtrl(self, -1,size=(_BOX_WIDTH,20))
	63	self.tcErrB.SetToolTipString("Error on the constant parameter.")
	64	self.tcChi = wx.TextCtrl(self, -1,size=(_BOX_WIDTH,20))
	65	self.tcChi.SetToolTipString("Chi^2 over degrees of freedom.")
	66	self.xminFit = wx.TextCtrl(self,-1,size=(_BOX_WIDTH,20))
[6a8adb0]	67	self.xminFit.SetToolTipString("Enter the minimum value on the x-axis to be included in the fit.")
[05da1f89]	68	self.xmaxFit = wx.TextCtrl(self,-1,size=(_BOX_WIDTH,20))
[6a8adb0]	69	self.xmaxFit.SetToolTipString("Enter the maximum value on the x-axis to be included in the fit.")
[05da1f89]	70	self.initXmin = wx.TextCtrl(self,-1,size=(_BOX_WIDTH,20))
[1c94a9f1]	71	self.initXmin.SetToolTipString("Minimum value on the x-axis for the plotted data.")
[05da1f89]	72	self.initXmax = wx.TextCtrl(self,-1,size=(_BOX_WIDTH,20))
[1c94a9f1]	73	self.initXmax.SetToolTipString("Maximum value on the x-axis for the plotted data.")
[05da1f89]	74
	75	# Make the info box not editable
	76	#_BACKGROUND_COLOR = '#ffdf85'
	77	_BACKGROUND_COLOR = self.GetBackgroundColour()
	78	self.initXmin.SetEditable(False)
	79	self.initXmin.SetBackgroundColour(_BACKGROUND_COLOR)
	80	self.initXmax.SetEditable(False)
	81	self.initXmax.SetBackgroundColour(_BACKGROUND_COLOR)
	82
	83
	84	# Buttons on the bottom
	85	self.static_line_1 = wx.StaticLine(self, -1)
	86	self.btFit =wx.Button(self,-1,'Fit')
	87	self.btFit.Bind(wx.EVT_BUTTON, self._onFit)
	88	self.btFit.SetToolTipString("Perform fit.")
	89	self.btClose =wx.Button(self, wx.ID_CANCEL,'Close')
[1c94a9f1]	90	self.btClose.Bind(wx.EVT_BUTTON, self._on_close)
[05da1f89]	91
	92	# Intro
	93	explanation = "Perform fit for y(x) = Ax + B"
	94
	95	vbox.Add(sizer)
[8e44d51]	96
[106ef4d]	97	ix = 0
[6cfe703]	98	iy = 1
[05da1f89]	99	sizer.Add(wx.StaticText(self, -1, explanation),(iy, ix),\
	100	(1,1), wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
	101	iy += 2
	102	sizer.Add(wx.StaticText(self, -1, 'Parameter A'),(iy, ix),\
[106ef4d]	103	(1,1), wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
[6cfe703]	104	ix += 1
[106ef4d]	105	sizer.Add(self.tcA,(iy, ix),(1,1), wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
[6cfe703]	106	ix += 1
[05da1f89]	107	sizer.Add(wx.StaticText(self, -1, '+/-'),(iy, ix),(1,1), wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
[6cfe703]	108	ix += 1
[106ef4d]	109	sizer.Add(self.tcErrA, (iy, ix),(1,1), wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
[6cfe703]	110	iy += 1
[106ef4d]	111	ix = 0
[05da1f89]	112	sizer.Add(wx.StaticText(self, -1, 'Parameter B'),(iy, ix),(1,1),\
[106ef4d]	113	wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
[6cfe703]	114	ix += 1
[106ef4d]	115	sizer.Add(self.tcB, (iy, ix),(1,1), wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
[6cfe703]	116	ix += 1
[05da1f89]	117	sizer.Add(wx.StaticText(self, -1, '+/-'),(iy, ix),(1,1), wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
[6cfe703]	118	ix += 1
[106ef4d]	119	sizer.Add(self.tcErrB, (iy, ix),(1,1), wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
[6cfe703]	120	iy += 1
[106ef4d]	121	ix = 0
[05da1f89]	122	sizer.Add(wx.StaticText(self, -1, 'Chi2/dof'),(iy, ix),(1,1),\
[106ef4d]	123	wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
[6cfe703]	124	ix += 1
[106ef4d]	125	sizer.Add(self.tcChi, (iy, ix),(1,1), wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
[05da1f89]	126	iy += 2
[6cfe703]	127	ix = 1
[05da1f89]	128	sizer.Add(wx.StaticText(self, -1, 'Min'),(iy, ix),(1,1),\
[106ef4d]	129	wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
[6cfe703]	130	ix += 2
[05da1f89]	131	sizer.Add(wx.StaticText(self, -1, 'Max'),(iy, ix),(1,1), wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
[6cfe703]	132	iy += 1
[831149e]	133	ix = 0
[1c94a9f1]	134	sizer.Add(wx.StaticText(self, -1, 'Maximum range (linear scale)'),(iy, ix),(1,1),\
[831149e]	135	wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
	136	ix +=1
[83fe2cc]	137	sizer.Add(self.initXmin, (iy, ix),(1,1),\
[831149e]	138	wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
	139	ix += 2
[83fe2cc]	140	sizer.Add(self.initXmax, (iy, ix),(1,1), wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
[b43a009]	141
[ddff053]	142	iy += 1
[831149e]	143	ix = 0
[6a8adb0]	144	sizer.Add(wx.StaticText(self, -1, 'Fit range of '+self.xLabel),(iy, ix),(1,1),\
[831149e]	145	wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 15)
	146	ix += 1
[83fe2cc]	147	sizer.Add(self.xminFit, (iy, ix),(1,1),\
[ddff053]	148	wx.LEFT\|wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
	149	ix += 2
[83fe2cc]	150	sizer.Add(self.xmaxFit, (iy, ix),(1,1), wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
[6cfe703]	151	iy += 1
[106ef4d]	152	ix = 1
	153
[05da1f89]	154	vbox.Add(self.static_line_1, 0, wx.EXPAND, 0)
	155
	156	sizer_button = wx.BoxSizer(wx.HORIZONTAL)
	157	sizer_button.Add((20, 20), 1, wx.EXPAND\|wx.ADJUST_MINSIZE, 0)
	158	sizer_button.Add(self.btFit, 0, wx.LEFT\|wx.RIGHT\|wx.ADJUST_MINSIZE, 10)
	159	sizer_button.Add(self.btClose, 0, wx.LEFT\|wx.RIGHT\|wx.ADJUST_MINSIZE, 10)
	160	vbox.Add(sizer_button, 0, wx.EXPAND\|wx.BOTTOM\|wx.TOP, 10)
	161
	162
	163
[106ef4d]	164	sizer.Add(self.btFit, (iy, ix),(1,1), wx.LEFT\|wx.ADJUST_MINSIZE, 0)
	165
[05da1f89]	166
	167	#panel.SetSizer(sizer)
[6cfe703]	168	self.SetSizer(vbox)
	169	self.Centre()
[8e44d51]	170
[e40b651]	171	# Receives the type of model for the fitting
	172	from LineModel import LineModel
	173	self.model = LineModel()
[1fdb81d]	174
	175	#Display the fittings values
	176	self.default_A = self.model.getParam('A')
	177	self.default_B = self.model.getParam('B')
	178	self.cstA = fittings.Parameter(self.model, 'A', self.default_A)
	179	self.cstB = fittings.Parameter(self.model, 'B', self.default_B)
	180
	181	# Set default value of parameter in fit dialog
[90640f2]	182
[b43a009]	183	if self.Avalue==None:
[052a66bc]	184	self.tcA.SetLabel(format_number(self.default_A))
[b43a009]	185	else :
[052a66bc]	186	self.tcA.SetLabel(format_number(self.Avalue))
[b43a009]	187	if self.Bvalue==None:
[052a66bc]	188	self.tcB.SetLabel(format_number(self.default_B))
[b43a009]	189	else:
[052a66bc]	190	self.tcB.SetLabel(format_number(self.Bvalue))
[b43a009]	191	if self.ErrAvalue==None:
[052a66bc]	192	self.tcErrA.SetLabel(format_number(0.0))
[b43a009]	193	else:
[052a66bc]	194	self.tcErrA.SetLabel(format_number(self.ErrAvalue))
[b43a009]	195	if self.ErrBvalue==None:
[052a66bc]	196	self.tcErrB.SetLabel(format_number(0.0))
[b43a009]	197	else:
[052a66bc]	198	self.tcErrB.SetLabel(format_number(self.ErrBvalue))
[b43a009]	199	if self.Chivalue==None:
[052a66bc]	200	self.tcChi.SetLabel(format_number(0.0))
[b43a009]	201	else:
[052a66bc]	202	self.tcChi.SetLabel(format_number(self.Chivalue))
[831149e]	203	if self.plottable.x !=[]:
[83fe2cc]	204	#store the values of View in self.x,self.y,self.dx,self.dy
	205	self.x,self.y,self.dx,self.dy= self.plottable.returnValuesOfView()
[90640f2]	206
[3755d77]	207	#self.mini =min(self.x)
	208	#self.maxi =max(self.x)
[90640f2]	209
[3755d77]	210	try:
	211	self.mini = self.floatForwardTransform(min(self.x))
	212	except:
	213	self.mini = "Invalid"
	214	try:
	215	self.maxi = self.floatForwardTransform(max(self.x))
	216	except:
	217	self.maxi = "Invalid"
[05da1f89]	218
[1c94a9f1]	219	self.initXmin.SetValue(format_number(min(self.plottable.x)))
	220	self.initXmax.SetValue(format_number(max(self.plottable.x)))
[90640f2]	221
[05da1f89]	222	self.xminFit.SetLabel(format_number(self.mini))
	223	self.xmaxFit.SetLabel(format_number(self.maxi))
[5e14aee]	224
[90640f2]	225
[1c94a9f1]	226	def register_close(self, owner):
	227	"""
	228	Method to register the close event to a parent
	229	window that needs notification when the dialog
	230	is closed
	231	@param owner: parent window
	232	"""
	233	self._registered_close = owner
	234
	235	def _on_close(self, event):
	236	"""
	237	Close event.
	238	Notify registered owner if available.
	239	"""
	240	event.Skip()
	241	if self._registered_close is not None:
	242	self._registered_close()
	243
[6cfe703]	244	def _onFit(self ,event):
[f52bea1]	245	"""
	246	Performs the fit. Receive an event when clicking on the button Fit.Computes chisqr ,
	247	A and B parameters of the best linear fit y=Ax +B
	248	Push a plottable to
	249	"""
	250	tempx=[]
	251	tempy=[]
[7a03e65]	252	tempdy = []
[ddff053]	253
[83fe2cc]	254
	255
[1fdb81d]	256
[106ef4d]	257	# Check if View contains a x array .we online fit when x exits
	258	# makes transformation for y as a line to fit
[83fe2cc]	259	if self.x != []:
[ddff053]	260
	261
[83fe2cc]	262	if(self.checkFitValues(self.xminFit) == True):
[f193585]	263	#Check if the field of Fit Dialog contain values and use the x max and min of the user
[1c94a9f1]	264	xminView,xmaxView = self._checkVal(self.xminFit.GetValue(),self.xmaxFit.GetValue())
	265	xmin = self.floatInvTransform(xminView)
	266	xmax = self.floatInvTransform(xmaxView)
	267
[ddff053]	268
[f193585]	269	# Store the transformed values of view x, y,dy in variables before the fit
[b43a009]	270	if self.yLabel.lower() == "log10(y)":
	271	if (self.xLabel.lower() == "log10(x)"):
[83fe2cc]	272	for i in range(len(self.x)):
	273	if self.x[i]>= math.log10(xmin):
	274	tempy.append(math.log10(self.y[i]))
	275	tempdy.append(transform.errToLogX(self.y[i],0,self.dy[i],0))
[f193585]	276	else:
[83fe2cc]	277	for i in range(len(self.y)):
	278	tempy.append(math.log10(self.y[i]))
	279	tempdy.append(transform.errToLogX(self.y[i],0,self.dy[i],0))
[f193585]	280	else:
[83fe2cc]	281	tempy = self.y
	282	tempdy = self.dy
[f193585]	283
[b43a009]	284	if (self.xLabel.lower() == "log10(x)"):
[83fe2cc]	285	for x_i in self.x:
[34ae302]	286	if x_i >= math.log10(xmin):
[f193585]	287	tempx.append(math.log10(x_i))
	288	else:
[83fe2cc]	289	tempx = self.x
[b43a009]	290
[f193585]	291	#Find the fitting parameters
[ad8bcd6]	292	# Always use the same defaults, so that fit history doesn't play a role!
	293	self.cstA = fittings.Parameter(self.model, 'A', self.default_A)
	294	self.cstB = fittings.Parameter(self.model, 'B', self.default_B)
[ddff053]	295
[b43a009]	296	if (self.xLabel.lower() == "log10(x)"):
[34ae302]	297	chisqr, out, cov = fittings.sansfit(self.model, [self.cstA, self.cstB],
	298	tempx, tempy,tempdy,math.log10(xmin),math.log10(xmax))
	299	else:
	300	chisqr, out, cov = fittings.sansfit(self.model,
[f193585]	301	[self.cstA, self.cstB],tempx, tempy,tempdy,xminView,xmaxView)
[05da1f89]	302
	303	# Use chi2/dof
	304	if len(tempx)>0:
	305	chisqr = chisqr/len(tempx)
	306
[f193585]	307	#Check that cov and out are iterable before displaying them
	308	if cov ==None:
	309	errA =0.0
	310	errB =0.0
	311	else:
	312	errA= math.sqrt(cov[0][0])
	313	errB= math.sqrt(cov[1][1])
	314	if out==None:
	315	cstA=0.0
	316	cstB=0.0
	317	else:
	318	cstA=out[0]
	319	cstB=out[1]
	320	# Reset model with the right values of A and B
	321	self.model.setParam('A', float(cstA))
	322	self.model.setParam('B', float(cstB))
[3aa7074]	323
[f193585]	324	tempx = []
	325	tempy = []
	326	y_model = 0.0
	327	# load tempy with the minimum transformation
	328
[b43a009]	329	if self.xLabel == "log10(x)":
[f193585]	330	y_model = self.model.run(math.log10(xmin))
	331	tempx.append(xmin)
	332	else:
	333	y_model = self.model.run(xminView)
	334	tempx.append(xminView)
	335
[b43a009]	336	if self.yLabel == "log10(y)":
[f193585]	337	tempy.append(math.pow(10,y_model))
	338	print "tempy",tempy
	339	else:
	340	tempy.append(y_model)
	341
	342	# load tempy with the maximum transformation
[b43a009]	343	if self.xLabel == "log10(x)":
[f193585]	344	y_model = self.model.run(math.log10(xmax))
	345	tempx.append(xmax)
	346	else:
	347	y_model = self.model.run(xmaxView)
	348	tempx.append(xmaxView)
	349
[b43a009]	350	if self.yLabel == "log10(y)":
[f193585]	351	tempy.append(math.pow(10,y_model))
	352	else:
	353	tempy.append(y_model)
[83fe2cc]	354	#Set the fit parameter display when FitDialog is opened again
[2e07e8f]	355	self.Avalue=cstB
	356	self.Bvalue=cstA
[b43a009]	357	self.ErrAvalue=errA
	358	self.ErrBvalue=errB
	359	self.Chivalue=chisqr
	360	self.push_data(tempx,tempy,xminView,xmaxView,xmin,xmax,self._ongetValues())
[f193585]	361
	362	# Display the fitting value on the Fit Dialog
[2e07e8f]	363	self._onsetValues(cstB, cstA, errA,errB,chisqr)
[b43a009]	364
	365
[7a03e65]	366
[6cfe703]	367	def _onsetValues(self,cstA,cstB,errA,errB,Chi):
[f52bea1]	368	"""
	369	Display the value on fit Dialog
	370	"""
[05da1f89]	371	self.tcA.SetValue(format_number(cstA))
	372	self.tcB.SetValue(format_number(cstB))
	373	self.tcErrA.SetValue(format_number(errA))
	374	self.tcErrB.SetValue(format_number(errB))
	375	self.tcChi.SetValue(format_number(Chi))
[b43a009]	376
	377	def _ongetValues(self):
	378	"""
	379	Display the value on fit Dialog
	380	"""
	381	return self.Avalue, self.Bvalue,self.ErrAvalue,self.ErrBvalue,self.Chivalue
[e40b651]	382
	383
[831149e]	384	def _checkVal(self,usermin, usermax):
[6cfe703]	385	"""
[831149e]	386	Ensure that fields parameter contains a min and a max value
	387	within x min and x max range
[6cfe703]	388	"""
[831149e]	389	if float(usermin) < float(usermax):
	390	if float(usermin) >= float(self.mini) and float(usermin) < float(self.maxi):
[3755d77]	391	self.xminFit.SetValue(format_number(float(usermin)))
[831149e]	392	else:
[3755d77]	393	self.xminFit.SetValue(format_number(float(self.mini)))
[831149e]	394
	395	if float(usermax) > float(self.mini) and float(usermax) <= float(self.maxi):
[3755d77]	396	self.xmaxFit.SetLabel(format_number(float(usermax)))
[831149e]	397	else:
[3755d77]	398	self.xmaxFit.SetLabel(format_number(float(self.maxi)))
[831149e]	399
[83fe2cc]	400	mini =float(self.xminFit.GetValue())
	401	maxi =float(self.xmaxFit.GetValue())
[831149e]	402
	403	return mini, maxi
[3755d77]	404
	405	def floatForwardTransform(self,x):
	406	"""
	407	transform a float.
	408	"""
	409	#TODO: refactor this with proper object-oriented design
	410	# This code stinks.
	411
	412	if ( self.xLabel=="x" ):
	413	return transform.toX(x)
	414
	415	if ( self.xLabel=="x^(2)" ):
	416	return transform.toX2(x)
	417
	418	if (self.xLabel=="log10(x)" ):
	419	return math.log10(x)
	420
[831149e]	421	def floatTransform(self,x):
	422	"""
	423	transform a float.It is use to determine the x.View min and x.View max for values
	424	not in x
	425	"""
[1c94a9f1]	426	#TODO: refactor this with proper object-oriented design
	427	# This code stinks.
	428
[b43a009]	429	if ( self.xLabel=="x" ):
[831149e]	430	return transform.toX(x)
	431
[b43a009]	432	if ( self.xLabel=="x^(2)" ):
[831149e]	433	return transform.toX2(x)
	434
[b43a009]	435	if (self.xLabel=="log10(x)" ):
[831149e]	436	if x >0:
[34ae302]	437	return x
[831149e]	438	else:
	439	raise ValueError,"cannot compute log of a negative number"
[f193585]	440
[1c94a9f1]	441	def floatInvTransform(self,x):
	442	"""
	443	transform a float.It is use to determine the x.View min and x.View max for values
	444	not in x
	445	"""
	446	#TODO: refactor this. This is just a hack to make the
	447	# functionality work without rewritting the whole code
	448	# with good design (which really should be done...).
	449
	450	if ( self.xLabel=="x^(2)" ):
	451	return math.sqrt(x)
	452
	453	elif (self.xLabel=="log10(x)" ):
	454	return math.pow(10, x)
	455
	456	return x
	457
[f193585]	458	def checkFitValues(self,item):
	459	"""
	460	Check the validity of input values
	461	"""
	462	flag = True
	463	value = item.GetValue()
	464	# Check for possible values entered
[b43a009]	465	if (self.xLabel=="log10(x)"):
[f193585]	466	if (float(value) > 0):
	467	item.SetBackgroundColour(wx.WHITE)
	468	item.Refresh()
	469	else:
	470	flag = False
	471	item.SetBackgroundColour("pink")
	472	item.Refresh()
	473
	474	return flag
[831149e]	475
[83fe2cc]	476	def setFitRange(self,xmin,xmax,xminTrans,xmaxTrans):
	477	"""
	478	Set fit parameters
	479	"""
[05da1f89]	480	self.xminFit.SetValue(format_number(xmin))
	481	self.xmaxFit.SetValue(format_number(xmax))
[ddff053]	482
[1c94a9f1]	483	def set_fit_region(self, xmin, xmax):
	484	"""
	485	Set the fit region
	486	@param xmin: minimum x-value to be included in fit
	487	@param xmax: maximum x-value to be included in fit
	488	"""
	489	# Check values
	490	try:
	491	float(xmin)
	492	float(xmax)
	493	except:
	494	raise ValueError, "LinearFit.set_fit_region: fit range must be floats"
	495	self.xminFit.SetValue(format_number(xmin))
	496	self.xmaxFit.SetValue(format_number(xmax))
[05da1f89]	497
	498	class MyApp(wx.App):
	499	def OnInit(self):
	500	wx.InitAllImageHandlers()
	501	plot = Theory1D([],[])
	502	dialog = LinearFit(None, plot, self.onFitDisplay,self.returnTrans, -1, 'Linear Fit')
	503	if dialog.ShowModal() == wx.ID_OK:
	504	pass
	505	dialog.Destroy()
	506
	507	return 1
	508
	509	def onFitDisplay(self, tempx,tempy,xminView,xmaxView,xmin,xmax,func):
	510	pass
	511
	512	def returnTrans(self):
	513	return '','',0,0,0,0,0
[6cfe703]	514
[05da1f89]	515	# end of class MyApp
[6cfe703]	516
[05da1f89]	517	if __name__ == "__main__":
	518	app = MyApp(0)
	519	app.MainLoop()

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SasView

source: sasview/guitools/fitDialog.py @ c09ac449

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