Changeset d8a2e31 in sasview

Timestamp:

Aug 5, 2009 5:41:58 PM (15 years ago)

Author:

Gervaise Alina <gervyh@…>

Branches:

master, ESS_GUI, ESS_GUI_Docs, ESS_GUI_batch_fitting, ESS_GUI_bumps_abstraction, ESS_GUI_iss1116, ESS_GUI_iss879, ESS_GUI_iss959, ESS_GUI_opencl, ESS_GUI_ordering, ESS_GUI_sync_sascalc, costrafo411, magnetic_scatt, release-4.1.1, release-4.1.2, release-4.2.2, release_4.0.1, ticket-1009, ticket-1094-headless, ticket-1242-2d-resolution, ticket-1243, ticket-1249, ticket885, unittest-saveload

Children:

60c1943

Parents:

f88624d

Message:

use eval distribution as well as run

Location:

park_integration

Files:

• AbstractFitEngine.py (modified) (4 diffs)
• Fitting.py (modified) (2 diffs)
• ParkFitting.py (modified) (2 diffs)
• ScipyFitting.py (modified) (2 diffs)
• setup.py (modified) (1 diff)

park_integration/AbstractFitEngine.py

@@ -112 +112 @@
             @param x: the x value used to compute a function
         """
-        return self.model.runXY(x)
+        try:
+            return self.model.evalDistribution(x)
+        except:
+            return self.model.runXY(x)
    
    
@@ -340 +343 @@
         self.image = sans_data2d.data
         self.err_image = sans_data2d.err_data
-        self.x_bins= sans_data2d.x_bins
-        self.y_bins= sans_data2d.y_bins
+        self.x_bins_array= numpy.reshape(sans_data2d.x_bins,
+                                         [1,len(sans_data2d.x_bins)])
+        self.y_bins_array = numpy.reshape(sans_data2d.y_bins,
+                                          [len(sans_data2d.y_bins),1])
+        
+        
+        self.x_bins = sans_data2d.x_bins
+        self.y_bins = sans_data2d.y_bins
        
         x = max(self.data.xmin, self.data.xmax)
@@ -355 +364 @@
             self.res_err_image = copy.deepcopy(self.err_image)
         self.res_err_image[self.err_image==0]=1
+        
+        self.radius= numpy.sqrt(self.x_bins_array**2 + self.y_bins_array**2)
+        self.index_model = (self.qmin <= self.radius)&(self.radius<= self.qmax)
        
        
@@ -373 +385 @@
         return self.qmin, self.qmax
      
-     
-    def residuals(self, fn):
+    def residuals(self, fn): 
+        try:
+            res=self.index_model*(self.image - fn([self.y_bins_array,
+                             self.x_bins_array]))/self.res_err_image
+            return res.ravel() 
+        except:
+            print "Using old residual method"
+            return self.old_residuals( fn)
+    
+    
+    def old_residuals(self, fn):
         """ @param fn: function that return model value
             @return residuals

park_integration/Fitting.py

@@ -4 +4 @@
     a park fit or a scipy fit.
 """
-#from sans.guitools.plottables import Data1D
-#from danse.common.plottools.plottables import Data1D
-#from Loader import Load
+
 from scipy import optimize
 from ScipyFitting import ScipyFit
@@ -56 +54 @@
             return self._engine.fit(handler, curr_thread= curr_thread)
         except:
-            #Let fit_thread handle the fit error
             raise
+    
     
     def set_model(self,model,Uid,pars=[]):

park_integration/ParkFitting.py

@@ -87 +87 @@
         self.problem =  park.Assembly(mylist)
         
+    def fit(self, *args, **kw):
+        return profile(self._fit, *args, **kw)
     
-    def fit(self,handler=None, curr_thread= None):
+    def _fit(self,handler=None, curr_thread= None):
         """
             Performs fit with park.fit module.It can  perform fit with one model
@@ -125 +127 @@
             
 
-        
+ 
     
    

park_integration/ScipyFitting.py

@@ -58 +58 @@
         self.fitArrangeDict={}
         self.paramList=[]
-    #def fit(self, *args, **kw):
-    #    return profile(self._fit, *args, **kw)
+    def fit(self, *args, **kw):
+        return profile(self._fit, *args, **kw)
 
-    def fit(self ,handler=None,curr_thread= None):
+    def _fit(self ,handler=None,curr_thread= None):
        
         fitproblem=[]
@@ -108 +108 @@
             raise
        
+
+
 def profile(fn, *args, **kw):
     import cProfile, pstats, os

park_integration/setup.py

@@ -3 +3 @@
 """
 
+import sys
+import os
+if len(sys.argv) == 1:
+    sys.argv.append('install')
 
 # Then build and install the modules