import sys import wx import wx.lib import numpy,math import copy import sans.models.dispersion_models from sans.guicomm.events import StatusEvent (ModelEventbox, EVT_MODEL_BOX) = wx.lib.newevent.NewEvent() _BOX_WIDTH = 80 def format_number(value, high=False): """ Return a float in a standardized, human-readable formatted string """ try: value = float(value) except: print "returning 0" return "0" if high: return "%-6.4g" % value else: return "%-5.3g" % value from modelpage import format_number from modelpage import ModelPage class FitPage1D(ModelPage): """ FitPanel class contains fields allowing to display results when fitting a model and one data @note: For Fit to be performed the user should check at least one parameter on fit Panel window. """ ## Internal name for the AUI manager window_name = "Fit page" ## Title to appear on top of the window window_caption = "Fit Page" def __init__(self, parent,data, *args, **kwargs): wx.ScrolledWindow.__init__(self, parent, *args, **kwargs) """ Initialization of the Panel """ #self.scroll = wx.ScrolledWindow(self) self.manager = None self.parent = parent self.event_owner = None #panel interface self.vbox = wx.BoxSizer(wx.VERTICAL) self.sizer6 = wx.GridBagSizer(5,5) self.sizer5 = wx.GridBagSizer(5,5) self.sizer4 = wx.GridBagSizer(5,5) self.sizer3 = wx.GridBagSizer(5,5) self.sizer2 = wx.GridBagSizer(5,5) self.sizer1 = wx.GridBagSizer(5,5) self.DataSource =wx.StaticText(self, -1,str(data.name)) self.smearer_box = wx.ComboBox(self, -1) wx.EVT_COMBOBOX( self.smearer_box,-1, self.onSmear ) self.smeares= sans.models.dispersion_models.models i=0 self.smearer_box.SetValue(str(None)) self.smearer_box.Insert(str(None),i) for k,v in self.smeares.iteritems(): if str(v)=="GaussianModel": self.smearer_box.Insert("Gaussian Resolution",i) else: self.smearer_box.Insert(str(v),i) i+=1 self.modelbox = wx.ComboBox(self, -1) id = wx.NewId() self.btFit =wx.Button(self,id,'Fit') self.btFit.Bind(wx.EVT_BUTTON, self.onFit,id=id) self.btFit.SetToolTipString("Perform fit.") self.static_line_1 = wx.StaticLine(self, -1) self.vbox.Add(self.sizer3) self.vbox.Add(self.sizer2) self.vbox.Add(self.static_line_1, 0, wx.EXPAND, 0) self.vbox.Add(self.sizer5) self.vbox.Add(self.sizer6) self.vbox.Add(self.sizer4) self.vbox.Add(self.sizer1) id = wx.NewId() self.btClose =wx.Button(self,id,'Close') self.btClose.Bind(wx.EVT_BUTTON, self.onClose,id=id) self.btClose.SetToolTipString("Close page.") ix = 0 iy = 1 self.sizer3.Add(wx.StaticText(self, -1, 'Data Source Name : '),(iy,ix),\ (1,1), wx.LEFT|wx.EXPAND|wx.ADJUST_MINSIZE, 15) ix += 1 self.sizer3.Add(self.DataSource,(iy,ix),(1,1), wx.EXPAND|wx.ADJUST_MINSIZE, 0) ix += 1 self.sizer3.Add((20,20),(iy,ix),(1,1),wx.RIGHT|wx.EXPAND|wx.ADJUST_MINSIZE,0) ix = 0 iy += 1 self.sizer3.Add(wx.StaticText(self,-1,'Instrument Smearing'),(iy,ix),(1,1)\ , wx.LEFT|wx.EXPAND|wx.ADJUST_MINSIZE, 15) ix += 1 self.sizer3.Add(self.smearer_box,(iy,ix),(1,1), wx.EXPAND|wx.ADJUST_MINSIZE, 0) ix = 0 iy += 1 self.sizer3.Add(wx.StaticText(self,-1,'Model'),(iy,ix),(1,1)\ , wx.LEFT|wx.EXPAND|wx.ADJUST_MINSIZE, 15) ix += 1 self.sizer3.Add(self.modelbox,(iy,ix),(1,1), wx.EXPAND|wx.ADJUST_MINSIZE, 0) ix = 0 iy = 1 #set maximum range for x in linear scale self.text4_3 = wx.StaticText(self, -1, 'Maximum Data Range(Linear)', style=wx.ALIGN_LEFT) self.sizer4.Add(self.text4_3,(iy,ix),(1,1),\ wx.LEFT|wx.EXPAND|wx.ADJUST_MINSIZE, 15) ix += 1 self.sizer4.Add(wx.StaticText(self, -1, 'Min'),(iy, ix),(1,1),\ wx.LEFT|wx.EXPAND|wx.ADJUST_MINSIZE, 15) ix += 2 self.sizer4.Add(wx.StaticText(self, -1, 'Max'),(iy, ix),(1,1),\ wx.EXPAND|wx.ADJUST_MINSIZE, 0) ix = 0 iy += 1 self.sizer4.Add(wx.StaticText(self, -1, 'x range'),(iy, ix),(1,1),\ wx.LEFT|wx.EXPAND|wx.ADJUST_MINSIZE, 15) ix += 1 self.xmin = wx.TextCtrl(self, -1,size=(_BOX_WIDTH,20)) self.xmin.SetValue(format_number(numpy.min(data.x))) self.xmin.SetToolTipString("Minimun value of x in linear scale.") self.xmin.Bind(wx.EVT_KILL_FOCUS, self._onTextEnter) self.xmin.Bind(wx.EVT_TEXT_ENTER, self._onTextEnter) self.xmin.Disable() self.sizer4.Add(self.xmin,(iy, ix),(1,1), wx.LEFT|wx.EXPAND|wx.ADJUST_MINSIZE, 15) ix += 2 self.xmax = wx.TextCtrl(self, -1,size=(_BOX_WIDTH,20)) self.xmax.SetValue(format_number(numpy.max(data.x))) self.xmax.SetToolTipString("Maximum value of x in linear scale.") self.xmax.Bind(wx.EVT_KILL_FOCUS, self._onTextEnter) self.xmax.Bind(wx.EVT_TEXT_ENTER, self._onTextEnter) self.xmax.Disable() self.sizer4.Add(self.xmax,(iy,ix),(1,1), wx.LEFT|wx.EXPAND|wx.ADJUST_MINSIZE, 0) ix =0 iy+=1 self.sizer4.Add((20,20),(iy,ix),(1,1),wx.LEFT|wx.EXPAND|wx.ADJUST_MINSIZE, 15) #Set chisqr result into TextCtrl ix = 0 iy = 1 self.text1_1 = wx.StaticText(self, -1, 'Chi2/dof', style=wx.ALIGN_LEFT) #self.sizer1.Add(self.text1_1,1) self.sizer1.Add(self.text1_1,(iy,ix),(1,1),\ wx.LEFT|wx.EXPAND|wx.ADJUST_MINSIZE, 15) ix += 1 self.tcChi = wx.TextCtrl(self, -1,size=(_BOX_WIDTH,20)) self.tcChi.SetToolTipString("Chi^2 over degrees of freedom.") #self.sizer1.Add(self.tcChi, 1, wx.R | wx.BOTTOM , 5) self.sizer1.Add(self.tcChi,(iy,ix),(1,1), wx.LEFT|wx.EXPAND|wx.ADJUST_MINSIZE, 0) ix +=2 #self.sizer1.Add(self.btFit, 1, wx.LEFT | wx.BOTTOM , 5) self.sizer1.Add(self.btFit,(iy,ix),(1,1), wx.LEFT|wx.EXPAND|wx.ADJUST_MINSIZE, 0) ix+= 2 self.sizer1.Add( self.btClose,(iy,ix),(1,1), wx.LEFT|wx.EXPAND|wx.ADJUST_MINSIZE, 0) #self.sizer1.Add( self.btClose,1, wx.LEFT | wx.BOTTOM , 5) self.tcChi.Disable() ix= 0 iy+=1 self.sizer1.Add((20,20),(iy,ix),(1,1), wx.LEFT|wx.EXPAND|wx.ADJUST_MINSIZE, 0) #self.sizer1.Add((20,20), 0) # contains link between model ,all its parameters, and panel organization self.parameters=[] self.fixed_param=[] #contains link between a model and selected parameters to fit self.param_toFit=[] # model on which the fit would be performed self.model=None #dictionary of model name and model class self.model_list_box={} self.data = data ## Q range self.qmin= 0.001 self.qmax= 0.1 self.vbox.Layout() self.vbox.Fit(self) self.SetSizer(self.vbox) self.SetScrollbars(20,20,55,40) self.Centre() self.Layout() self.GrandParent.GetSizer().Layout() def compute_chisqr(self): """ @param fn: function that return model value @return residuals """ flag=self.checkFitRange() if flag== True: try: qmin = float(self.xmin.GetValue()) qmax = float(self.xmax.GetValue()) x,y,dy = [numpy.asarray(v) for v in (self.data.x,self.data.y,self.data.dy)] if qmin==None and qmax==None: fx =numpy.asarray([self.model.run(v) for v in x]) res=(y - fx)/dy else: idx = (x>= qmin) & (x <=qmax) fx = numpy.asarray([self.model.run(item)for item in x[idx ]]) res= (y[idx] - fx)/dy[idx] sum=0 for item in res: if numpy.isfinite(item): sum +=item self.tcChi.SetValue(format_number(math.fabs(sum))) except: wx.PostEvent(self.parent.GrandParent, StatusEvent(status=\ "Chisqr cannot be compute: %s"% sys.exc_value)) def onFit(self,event): """ signal for fitting""" flag=self.checkFitRange() self.set_manager(self.manager) qmin=float(self.xmin.GetValue()) qmax =float( self.xmax.GetValue()) if len(self.param_toFit) >0 and flag==True: self.manager.schedule_for_fit( value=1,fitproblem =None) self.manager._on_single_fit(qmin=qmin,qmax=qmax) else: wx.PostEvent(self.parent.GrandParent, StatusEvent(status=\ "Select at least on parameter to fit ")) def _on_select_model(self,event): """ react when a model is selected from page's combo box post an event to its owner to draw an appropriate theory """ self.btFit.SetFocus() for item in self.model_list_box.itervalues(): name = item.__name__ if hasattr(item, "name"): name = item.name #print "fitpage: _on_select_model model name",name ,event.GetString() if name ==event.GetString(): try: self.model=item() evt = ModelEventbox(model=self.model,name=name) wx.PostEvent(self.event_owner, evt) #self.model= item() #self.set_panel(self.model) except: raise #ValueError,"model.name is not equal to model class name" break def _onTextEnter(self,event): """ set a flag to determine if the fitting range entered by the user is valid """ try: flag=self.checkFitRange() if flag==True and self.model!=None: #print"fit page",self.xmin.GetValue(),self.xmax.GetValue() self.manager.redraw_model(float(self.xmin.GetValue())\ ,float(self.xmax.GetValue())) except: wx.PostEvent(self.parent.GrandParent, StatusEvent(status=\ "Drawing Error:wrong value entered %s"% sys.exc_value)) def checkFitRange(self): """ Check the validity of fitting range @note: xmin should always be less than xmax or else each control box background is colored in pink. """ flag = True valueMin = self.xmin.GetValue() valueMax = self.xmax.GetValue() # Check for possible values entered #print "fitpage: checkfitrange:",valueMin,valueMax try: if (float(valueMax)> float(valueMin)): self.xmax.SetBackgroundColour(wx.WHITE) self.xmin.SetBackgroundColour(wx.WHITE) else: flag = False self.xmin.SetBackgroundColour("pink") self.xmax.SetBackgroundColour("pink") except: flag = False self.xmin.SetBackgroundColour("pink") self.xmax.SetBackgroundColour("pink") self.xmin.Refresh() self.xmax.Refresh() return flag def get_param_list(self): """ @return self.param_toFit: list containing references to TextCtrl checked.Theses TextCtrl will allow reference to parameters to fit. @raise: if return an empty list of parameter fit will nnote work properly so raise ValueError,"missing parameter to fit" """ if self.param_toFit !=[]: return self.param_toFit else: raise ValueError,"missing parameter to fit" def set_panel(self,model): """ Build the panel from the model content @param model: the model selected in combo box for fitting purpose """ self.sizer2.Clear(True) self.sizer5.Clear(True) self.sizer6.Clear(True) self.parameters = [] self.param_toFit=[] self.model = model keys = self.model.getParamList() #print "fitpage1D : dispersion list",self.model.getDispParamList() keys.sort() disp_list=self.model.getDispParamList() fixed=self.model.fixed print "fixed",fixed #model.setParam("scale", 2) #print "model sphere scale fixed?", self.model.is_fittable("scale") ip=0 iq=1 ik=0 im=1 if len(disp_list)>0: disp = wx.StaticText(self, -1, 'Dispersion') self.sizer5.Add(disp,( iq, ip),(1,1), wx.LEFT|wx.EXPAND|wx.ADJUST_MINSIZE, 15) ip += 1 values = wx.StaticText(self, -1, 'Values') self.sizer5.Add(values,( iq, ip),(1,1), wx.EXPAND|wx.ADJUST_MINSIZE, 0) disp_list.sort() iy = 1 ix = 0 self.cb1 = wx.CheckBox(self, -1,"Select all", (10, 10)) wx.EVT_CHECKBOX(self, self.cb1.GetId(), self.select_all_param) self.sizer2.Add(self.cb1,(iy, ix),(1,1),\ wx.LEFT|wx.EXPAND|wx.ADJUST_MINSIZE, 15) ix +=1 self.text2_2 = wx.StaticText(self, -1, 'Values') self.sizer2.Add(self.text2_2,(iy, ix),(1,1),\ wx.EXPAND|wx.ADJUST_MINSIZE, 0) ix +=2 self.text2_3 = wx.StaticText(self, -1, 'Errors') self.sizer2.Add(self.text2_3,(iy, ix),(1,1),\ wx.EXPAND|wx.ADJUST_MINSIZE, 0) self.text2_3.Hide() ix +=1 self.text2_4 = wx.StaticText(self, -1, 'Units') self.sizer2.Add(self.text2_4,(iy, ix),(1,1),\ wx.EXPAND|wx.ADJUST_MINSIZE, 0) self.text2_4.Hide() #print "keys", keys #print "disp_list", disp_list #print "fix_list",fixed for item in keys: if not item in disp_list: iy += 1 ix = 0 cb = wx.CheckBox(self, -1, item, (10, 10)) cb.SetValue(False) self.sizer2.Add( cb,( iy, ix),(1,1), wx.LEFT|wx.EXPAND|wx.ADJUST_MINSIZE, 15) wx.EVT_CHECKBOX(self, cb.GetId(), self.select_param) ix += 1 value= self.model.getParam(item) ctl1 = wx.TextCtrl(self, -1, size=(_BOX_WIDTH,20), style=wx.TE_PROCESS_ENTER) ctl1.SetValue(str (format_number(value))) ctl1.Bind(wx.EVT_KILL_FOCUS, self._onparamEnter) ctl1.Bind(wx.EVT_TEXT_ENTER,self._onparamEnter) self.sizer2.Add(ctl1, (iy,ix),(1,1), wx.EXPAND) ix += 1 text2=wx.StaticText(self, -1, '+/-') self.sizer2.Add(text2,(iy, ix),(1,1),\ wx.EXPAND|wx.ADJUST_MINSIZE, 0) text2.Hide() ix += 1 ctl2 = wx.TextCtrl(self, -1, size=(_BOX_WIDTH,20), style=wx.TE_PROCESS_ENTER) self.sizer2.Add(ctl2, (iy,ix),(1,1), wx.EXPAND|wx.ADJUST_MINSIZE, 0) ctl2.Hide() ix +=1 # Units try: units = wx.StaticText(self, -1, self.model.details[item][0], style=wx.ALIGN_LEFT) except: units = wx.StaticText(self, -1, "", style=wx.ALIGN_LEFT) self.sizer2.Add(units, (iy,ix),(1,1), wx.EXPAND|wx.ADJUST_MINSIZE, 0) else: if item in fixed: ip = 0 iq += 1 cb = wx.CheckBox(self, -1, item, (10, 10)) cb.SetValue(False) self.sizer5.Add( cb,( iq, ip),(1,1), wx.LEFT|wx.EXPAND|wx.ADJUST_MINSIZE, 15) wx.EVT_CHECKBOX(self, cb.GetId(), self.select_param) ip += 1 value= self.model.getParam(item) ctl1 = wx.TextCtrl(self, -1, size=(_BOX_WIDTH,20), style=wx.TE_PROCESS_ENTER) ctl1.SetValue(str (format_number(value))) ctl1.Bind(wx.EVT_KILL_FOCUS, self._onparamEnter) ctl1.Bind(wx.EVT_TEXT_ENTER,self._onparamEnter) self.sizer5.Add(ctl1, (iq,ip),(1,1), wx.EXPAND|wx.ADJUST_MINSIZE, 0) else: ik = 0 text = wx.StaticText(self, -1, item, style=wx.ALIGN_LEFT) self.sizer6.Add(text,( im, ik),(1,1), wx.LEFT|wx.EXPAND|wx.ADJUST_MINSIZE, 15) ik += 1 value= self.model.getParam(item) Tctl = wx.TextCtrl(self, -1, size=(_BOX_WIDTH,20), style=wx.TE_PROCESS_ENTER) Tctl.SetValue(str (format_number(value))) Tctl.Bind(wx.EVT_KILL_FOCUS, self._onparamEnter) Tctl.Bind(wx.EVT_TEXT_ENTER,self._onparamEnter) self.sizer6.Add(Tctl, (im,ik),(1,1), wx.EXPAND|wx.ADJUST_MINSIZE, 0) self.fixed_param.append([item, Tctl]) im += 1 #save data self.parameters.append([cb,ctl1,text2,ctl2]) iy+=1 self.sizer2.Add((20,20),(iy,ix),(1,1), wx.LEFT|wx.EXPAND|wx.ADJUST_MINSIZE, 15) #Display units text on panel for item in keys: if self.model.details[item][0]!='': self.text2_4.Show() break else: self.text2_4.Hide() #Disable or enable fit button if not (len(self.param_toFit ) >0): self.xmin.Disable() self.xmax.Disable() else: self.xmin.Enable() self.xmax.Enable() self.compute_chisqr() self.vbox.Layout() self.SetScrollbars(20,20,55,40) self.Layout() self.GrandParent.GetSizer().Layout() def _onparamEnter(self,event): """ when enter value on panel redraw model according to changed """ self.set_model() self.compute_chisqr() def set_model(self): if len(self.parameters) !=0 and self.model !=None: # Flag to register when a parameter has changed. for item in self.parameters: try: self.text2_3.Hide() item[2].Hide() item[3].Clear() item[3].Hide() except: wx.PostEvent(self.parent.GrandParent, StatusEvent(status=\ "Drawing Error:wrong value entered : %s"% sys.exc_value)) self.set_model_parameter() def set_model_parameter(self): if len(self.parameters) !=0 and self.model !=None: # Flag to register when a parameter has changed. is_modified = False for item in self.fixed_param: try: name=str(item[0]) value= float(item[1].GetValue()) # print "model para", name,value # If the value of the parameter has changed, # update the model and set the is_modified flag if value != self.model.getParam(name): self.model.setParam(name,value) is_modified = True except: wx.PostEvent(self.parent.GrandParent, StatusEvent(status=\ "Model Drawing Error:wrong value entered : %s"% sys.exc_value)) for item in self.parameters: # print "paramters",str(item[0].GetLabelText()) try: name=str(item[0].GetLabelText()) value= float(item[1].GetValue()) # print "model para", name,value # If the value of the parameter has changed, # update the model and set the is_modified flag if value != self.model.getParam(name): self.model.setParam(name,value) is_modified = True except: wx.PostEvent(self.parent.GrandParent, StatusEvent(status=\ "Model Drawing Error:wrong value entered : %s"% sys.exc_value)) # Here we should check whether the boundaries have been modified. # If qmin and qmax have been modified, update qmin and qmax and # set the is_modified flag to True if float(self.xmin.GetValue()) != self.qmin: self.qmin = float(self.xmin.GetValue()) is_modified = True if float(self.xmax.GetValue()) != self.qmax: self.qmax = float(self.xmax.GetValue()) is_modified = True if is_modified: self.manager.redraw_model(qmin=self.qmin, qmax=self.qmax) def select_all_param(self,event): """ set to true or false all checkBox given the main checkbox value cb1 """ self.param_toFit=[] if self.parameters !=[]: if self.cb1.GetValue()==True: for item in self.parameters: item[0].SetValue(True) list= [item[0],item[1],item[2],item[3]] self.param_toFit.append(list ) if not (len(self.param_toFit ) >0): self.xmin.Disable() self.xmax.Disable() else: self.xmin.Enable() self.xmax.Enable() else: for item in self.parameters: item[0].SetValue(False) self.param_toFit=[] self.xmin.Disable() self.xmax.Disable() def select_param(self,event): """ Select TextCtrl checked for fitting purpose and stores them in self.param_toFit=[] list """ self.param_toFit=[] for item in self.parameters: if item[0].GetValue()==True: list= [item[0],item[1],item[2],item[3]] if not (list in self.param_toFit): self.param_toFit.append(list ) else: if item in self.param_toFit: self.param_toFit.remove(item) if len(self.parameters)==len(self.param_toFit): self.cb1.SetValue(True) else: self.cb1.SetValue(False) if not (len(self.param_toFit ) >0): self.xmin.Disable() self.xmax.Disable() else: self.xmin.Enable() self.xmax.Enable() def onsetValues(self,chisqr, out,cov): """ Build the panel from the fit result @param chisqr:Value of the goodness of fit metric @param out:list of parameter with the best value found during fitting @param cov:Covariance matrix """ #print "fitting : onsetvalues out",out self.tcChi.Clear() self.tcChi.SetValue(format_number(chisqr)) params = {} is_modified = False has_error = False if out.__class__==numpy.float64: self.param_toFit[0][1].SetValue(format_number(out)) self.param_toFit[0][1].Refresh() if cov !=None : self.text2_3.Show() self.param_toFit[0][2].Show() self.param_toFit[0][3].Clear() self.param_toFit[0][3].SetValue(format_number(cov[0])) self.param_toFit[0][3].Show() #out is a list : set parameters and errors in TextCtrl else: i=0 #print "fitpage: list param model",list #for item in self.param_toFit: # print "fitpage: list display",item[0].GetLabelText() for item in self.param_toFit: if( out != None ) and len(out)<=len(self.param_toFit)and i < len(out): #item[1].SetValue(format_number(out[i])) item[1].SetValue(format_number(self.model.getParam(item[0].GetLabelText()))) item[1].Refresh() if (cov !=None)and len(cov)<=len(self.param_toFit)and i < len(cov): self.text2_3.Show() item[2].Show() item[3].Clear() item[3].SetValue(format_number(cov[i])) item[3].Show() i+=1 self.vbox.Layout() self.SetScrollbars(20,20,55,40) self.Layout() self.GrandParent.GetSizer().Layout() def onSmear(self, event): if event.GetString()=="None": self.manager.set_smearer(None) if event.GetString()=="Gaussian Resolution": from DataLoader.qsmearing import smear_selection smear =smear_selection( self.data ) self.manager.set_smearer(smear) # print "on smearing"