class TestsphereHardS(unittest.TestCase):
    """ 
        Unit tests for SphereModel(Q) * HardsphereStructure(Q)
    """
    def setUp(self):
        from sas.models.SphereModel import SphereModel
        from sas.models.HardsphereStructure import HardsphereStructure
        from sas.models.DiamCylFunc import DiamCylFunc
        from sas.models.MultiplicationModel import MultiplicationModel

        self.model = SphereModel()
        self.model2 = HardsphereStructure()
        self.model3 = MultiplicationModel(self.model, self.model2)  
        self.modelD = DiamCylFunc() 

    #Radius of model1.calculate_ER should be equal to the output/2 of DiamFunctions
    def test_multplication_radius(self):
        """
            test multiplication model (check the effective radius & the output
             of the multiplication)
        """
        self.model.setParam("radius", 60)
        modelDrun = 60
        self.model2.setParam("volfraction", 0.2)
        self.model2.setParam("effect_radius", modelDrun )
        
        #Compare new method with old method         
        self.assertEqual(self.model3.run(0.1), self.model.run(0.1)*self.model2.run(0.1))
        
        #Compare radius from two different calculations. Note: modelD.run(0.0) is DIAMETER
        self.assertEqual(self.model.calculate_ER(), modelDrun)
        
        
    def testMultiplicationParam(self):
        """ Test Multiplication  (check the parameters)"""
        ## test details dictionary

        ## test parameters list
        list3= self.model3.getParamList()

        for item in self.model.getParamList():
            if not 'scale' in item: 
                self.assert_(item in list3)
        for item in self.model2.getParamList():
            #model3 parameters should not include effect_radius*
            if not 'effect_radius' in item:  
                self.assert_(item in list3)
            
        ## test set value for parameters and get paramaters
        self.model3.setParam("scale_factor", 15)
        self.assertEqual(self.model3.getParam("scale_factor"), 15)
        self.model3.setParam("radius", 20)
        self.assertEqual(self.model3.getParam("radius"), 20)
        self.model3.setParam("radius.width", 15)
        self.assertEqual(self.model3.getParam("radius.width"), 15)
        self.model3.setParam("scale_factor", 15)
        self.assertEqual(self.model3.getParam("scale_factor"), 15)
        self.assertEqual(self.model3.getParam("volfraction"), self.model.getParam("scale"))
        
        ## Dispersity 
        list3= self.model3.getDispParamList()
        self.assertEqual(list3, ['radius.npts', 'radius.nsigmas', 'radius.width'])
        
        from sas.models.dispersion_models import ArrayDispersion
        disp_th = ArrayDispersion()
        
        values_th = numpy.zeros(100)
        weights   = numpy.zeros(100)
        for i in range(100):
            values_th[i]=(math.pi/99.0*i)
            weights[i]=(1.0)
    
        disp_th.set_weights(values_th, weights)
        
        self.model3.set_dispersion('radius', disp_th)
        
        val_1d = self.model3.run(math.sqrt(0.0002))
        val_2d = self.model3.runXY([0.01,0.01]) 
        
        self.assertTrue(math.fabs(val_1d-val_2d)/val_1d < 0.02)
        model4= self.model3.clone()
        self.assertEqual(model4.getParam("radius"), 20)
Exemplo n.º 2
0
    def test_cyl_times_square(self):
        """ Simple cylinder model fit  """
        
        out=Loader().load("cyl_400_20.txt")
        data = Data1D(x=out.x, y=out.y, dx=out.dx, dy=out.dy)
        # Receives the type of model for the fitting
        model1  =  MultiplicationModel(CylinderModel(),SquareWellStructure())
        model1.setParam('background', 0.0)
        model1.setParam('sldCyl', 3e-006)
        model1.setParam('sldSolv', 0.0)
        model1.setParam('length', 420)
        model1.setParam('radius', 40)
        model1.setParam('scale_factor', 2)
        model1.setParam('volfraction', 0.04)
        model1.setParam('welldepth', 1.5)
        model1.setParam('wellwidth', 1.2)
      
        model = Model(model1)
    
        pars1 =['length','radius','scale_factor']
        fitter = Fit()
        fitter.set_data(data,1)
        fitter.set_model(model,1,pars1)
        fitter.select_problem_for_fit(id=1,value=1)
        result1, = fitter.fit()

        self.assert_(result1)
        self.assertTrue(len(result1.pvec)>=0 )
        self.assertTrue(len(result1.stderr)>= 0)

        #print "results",list(zip(result1.pvec, result1.stderr))
        self.assertTrue( math.fabs(result1.pvec[0]-612)/3.0 <= result1.stderr[0] )
        self.assertTrue( math.fabs(result1.pvec[1]-20.3)/3.0  <= result1.stderr[1] )
        self.assertTrue( math.fabs(result1.pvec[2]-25)/3.0 <= result1.stderr[2] )
        
        self.assertTrue( result1.fitness/len(data.x) < 1.0 )
class TestsphereHardS(unittest.TestCase):
    """ 
        Unit tests for SphereModel(Q) * HardsphereStructure(Q)
    """
    def setUp(self):
        from sas.models.SphereModel import SphereModel
        from sas.models.HardsphereStructure import HardsphereStructure
        from sas.models.DiamCylFunc import DiamCylFunc
        from sas.models.MultiplicationModel import MultiplicationModel

        self.model = SphereModel()
        self.model2 = HardsphereStructure()
        self.model3 = MultiplicationModel(self.model, self.model2)  
        self.modelD = DiamCylFunc() 

    #Radius of model1.calculate_ER should be equal to the output/2 of DiamFunctions
    def test_multplication_radius(self):
        """
            test multiplication model (check the effective radius & the output
             of the multiplication)
        """
        self.model.setParam("radius", 60)
        modelDrun = 60
        self.model2.setParam("volfraction", 0.2)
        self.model2.setParam("effect_radius", modelDrun )
        
        #Compare new method with old method         
        self.assertEqual(self.model3.run(0.1), self.model.run(0.1)*self.model2.run(0.1))
        
        #Compare radius from two different calculations. Note: modelD.run(0.0) is DIAMETER
        self.assertEqual(self.model.calculate_ER(), modelDrun)
        
        
    def testMultiplicationParam(self):
        """ Test Multiplication  (check the parameters)"""
        ## test details dictionary

        ## test parameters list
        list3= self.model3.getParamList()

        for item in self.model.getParamList():
            if not 'scale' in item: 
                self.assert_(item in list3)
        for item in self.model2.getParamList():
            #model3 parameters should not include effect_radius*
            if not 'effect_radius' in item:  
                self.assert_(item in list3)
            
        ## test set value for parameters and get paramaters
        self.model3.setParam("scale_factor", 15)
        self.assertEqual(self.model3.getParam("scale_factor"), 15)
        self.model3.setParam("radius", 20)
        self.assertEqual(self.model3.getParam("radius"), 20)
        self.model3.setParam("radius.width", 15)
        self.assertEqual(self.model3.getParam("radius.width"), 15)
        self.model3.setParam("scale_factor", 15)
        self.assertEqual(self.model3.getParam("scale_factor"), 15)
        self.assertEqual(self.model3.getParam("volfraction"), self.model.getParam("scale"))
        
        ## Dispersity 
        list3= self.model3.getDispParamList()
        self.assertEqual(list3, ['radius.npts', 'radius.nsigmas', 'radius.width'])
        
        from sas.models.dispersion_models import ArrayDispersion
        disp_th = ArrayDispersion()
        
        values_th = numpy.zeros(100)
        weights   = numpy.zeros(100)
        for i in range(100):
            values_th[i]=(math.pi/99.0*i)
            weights[i]=(1.0)
    
        disp_th.set_weights(values_th, weights)
        
        self.model3.set_dispersion('radius', disp_th)
        
        val_1d = self.model3.run(math.sqrt(0.0002))
        val_2d = self.model3.runXY([0.01,0.01]) 
        
        self.assertTrue(math.fabs(val_1d-val_2d)/val_1d < 0.02)
        model4= self.model3.clone()
        self.assertEqual(model4.getParam("radius"), 20)