source: sasview/sansview/perspectives/fitting/fitproblem.py @ d611fb93

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Last change on this file since d611fb93 was 8e81af0, checked in by Gervaise Alina <gervyh@…>, 16 years ago

working on simultaneous fit

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File size: 3.1 KB
Line 
1from sans.fit.AbstractFitEngine import Model
2
3class FitProblem:
4    """ 
5        FitProblem class allows to link a model with the new name created in _on_model,
6        a name theory created with that model  and the data fitted with the model.
7        FitProblem is mostly used  as value of the dictionary by fitting module.
8    """
9   
10    def __init__(self):
11       
12        """
13            @ self.data :is the data selected to perform the fit
14            @ self.theory_name: the name of the theory created with self.model
15            @ self.model_list:  is a list containing a model as first element
16            and its name assign example [lineModel, M0]
17        """
18        self.data=None
19        self.theory_name=None
20        self.model_list=[]
21        self.schedule=0
22        self.list_param=[]
23       
24    def set_model(self,model,name):
25        """
26             associates each model with its new created name
27             @param model: model selected
28             @param name: name created for model
29        """
30        self.model_list=[model,name]
31
32 
33    def add_data(self,data):
34        """
35            save a copy of the data select to fit
36            @param data: data selected
37        """
38        self.data = data
39           
40    def get_model(self):
41        """ @return: saved model """
42        #print "fitproblem",self.model_list
43        return self.model_list
44     
45    def get_data(self):
46        """ @return:  list of data dList"""
47        return self.data
48     
49     
50    def get_theory(self):
51        """ @return the name of theory for plotting purpose"""
52        return self.theory_name
53   
54   
55    def set_theory(self,name):
56        """
57            Set theory name
58            @param name: name of the theory
59        """
60        self.theory_name = name
61
62       
63    def set_model_param(self,name,value):
64        """
65            set the value of a given parameter of this model
66            @param name: name of the given parameter
67            @param value: value of that parameter
68        """
69        #print "fitproblem",name,value
70        #self.model_list[0].setParam(name,value)
71        self.list_param.append([name,value])
72    def get_model_param(self):
73        """
74            set the value of a given parameter of this model
75            @param name: name of the given parameter
76            @param value: value of that parameter
77        """
78        #print self.param_name, self.param_value
79        #self.model_list[0].setParam(name,value)
80        return self.list_param
81       
82    def reset_model(self,model):
83        """
84            reset a model when parameter has changed
85            @param value: new model
86        """
87        #print "fitproblem : reset model"
88        self.model_list[0]=model
89       
90    def schedule_tofit(self, schedule=0):
91        """
92             set schedule to true to decide if this fit  must be performed
93        """
94        self.schedule=schedule
95    def get_scheduled(self):
96        """ return true or false if a problem as being schedule for fitting"""
97        return self.schedule
98   
99   
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